Abstract: Rocket propulsion systems and associated methods are disclosed. A representative system includes a combustion chamber having an inwardly-facing chamber wall enclosing a combustion zone. The chamber has a generally spherical shape and is exposed to the combustion zone. A propellant injector is coupled to the combustion chamber and has at least one fuel injector nozzle positioned to direct a flow of cooling fuel radially outwardly along the inwardly-facing chamber wall. In addition to or in lieu of the foregoing features, the injector can include an oxidizer piston and a fuel piston that deliver oxidizer and fuel, respectively, to the combustion chamber, in a sequenced manner so that the oxidizer is introduced prior to the fuel.

Abstract: A fuel supply circuit for an aeronautical cryogenic turbomachine including: at least one cryogenic reservoir containing a liquid fuel topped with a boil-off gas and including a high-pressure liquid pump to supply at least one main propulsion device of the turbomachine with liquid fuel, an auxiliary turbomachine including an electric generator, a gas compressor to supply the auxiliary turbomachine with gaseous fuel, and a buffer gas reservoir connecting the gas compressor to the cryogenic reservoir to reinject gas into the cryogenic reservoir in order to maintain the pressure in the cryogenic reservoir above a predefined value, the electric generator supplying the high-pressure liquid pump and the gas compressor.

Abstract: A liquid rocket engine integrates tap-off openings at a combustion chamber wall to direct exhaust from the combustion chamber to a tap-off manifold that provides the exhaust to one or more auxiliary systems, such as a turbopump that pumps oxygen and/or fuel into the combustion chamber. The tap-off opening passes through a fuel channel formed in that combustion chamber exterior wall and receives fuel through a fuel opening that interfaces the fuel channel and tap-off opening. The tap-off manifold nests within a fuel manifold for thermal management. The fuel channel directs fuel into the combustion chamber through fuel port openings formed in the combustion chamber, the fuel port openings located closer to a headend of the combustion chamber than the tap-off openings.

Abstract: A solid rocket motor is described that includes a solid propellant section, a nozzle, and a source of monopropellant, such as liquid monopropellant. The monopropellant is used to control various operational parameters of the solid rocket motor, such as thrust vector control, roll control, extinguishment of the motor, and cooling of the nozzle and/or nozzle throat. The nozzle and the nozzle throat can be an integrated, single piece assembly that facilitates re-use of the nozzle.

Abstract: A structure for damping at a fluid manifold assembly for an engine is generally provided. The fluid manifold assembly includes a first walled conduit defining a first fluid passage therewithin. A flow of fluid defining a first frequency is permitted through the first fluid passage. A second walled conduit includes a pair of first portions each coupled to the first walled conduit. A second portion is coupled to the pair of first portions. A second fluid passage is defined through the first portion and the second portion in fluid communication with the first fluid passage. The flow of fluid is permitted through the second fluid passage at a second frequency approximately 180 degrees out of phase from the first frequency.

Abstract: A pyrotechnic device comprising a main pyrotechnic charge, a firing device for firing the main pyrotechnic charge, a discharge passage for discharging the gas generated by firing the main pyrotechnic charge, and an injector device configured to inject a cooling fluid into said gas discharge passage, so as to deliver gas, specifically for driving turbines, at temperatures that are relatively low, and a method of cooling gas generated by firing the main pyrotechnic charge by injecting the cooling fluid.

Abstract: The invention relates to a combustion engine and to a process for producing energy by means of expansion work in combustion engines. The invention is based on the problem of providing a possibility for supplying oxygen to the combustion space of a self-compacting combustion engine in an energy-efficient manner. According to the invention, with an arrangement for carrying out an intensified combustion for automatically increasing pressure of the combustion gases and using them in a combustion engine for performing mechanical work, the above-stated problem is solved in that an oxygen storage material is present in the combustion space so that a self-compressing combustion process is made possible by storing the oxygen in the oxygen storage material in the combustion space.

Abstract: A system for producing an organic substance, including: a synthesis gas generation furnace for producing a synthesis gas by partially oxidizing a waste including a carbon source; a synthesis gas purification unit connected to the synthesis gas generation furnace and purifying the synthesis gas generated in the synthesis gas generation furnace to reduce an impurity concentration in the synthesis gas; and an organic substance synthesis unit which is connected to the synthesis gas purification unit and generates an organic substance from the synthesis gas purified in the synthesis gas purification unit, wherein the synthesis gas purification unit includes a detection unit for measuring an impurity concentration in the synthesis gas.

Abstract: The invention concerns a CLC process, and its installation, producing high purity dinitrogen, comprising: (a) the combustion of a hydrocarbon feed by reduction of a redox active mass brought into contact with the feed, (b) a first step for oxidation of the reduced active mass (25) obtained from step (a) in contact with a fraction of a depleted air stream (21b), in order to produce a high purity stream of dinitrogen (28) and a stream of partially re-oxidized active mass (26); (c) a second step for oxidation of the stream of active mass (26) in contact with air (20) in order to produce a stream of depleted air and a stream of re-oxidized active mass (24) for use in step (a); (d) dividing the stream of depleted air obtained at the end of step (c) in order to form the fraction of depleted air used in step (b) and a fraction complementary to the depleted air extracted from the CLC.

Abstract: A burner comprises a tubular diffuser wall and an inlet passage of a gas mixture in the diffuser wall, as well as a distribution diaphragm having a distribution opening which forms a central passage section and a plurality of peripheral passage sections, in the shape of rays or branches, extending from the central passage section towards the diffuser wall, and in which the peripheral passage sections and the central passage section are connected together to form a single hole.

Abstract: Systems and methods for coupling a chemical looping arrangement and a supercritical CO2 cycle are provided. The system includes a fuel reactor, an air reactor, a compressor, first and second heat exchangers, and a turbine. The fuel reactor is configured to heat fuel and oxygen carriers resulting in reformed or combusted fuel and reduced oxygen carriers. The air reactor is configured to re-oxidize the reduced oxygen carriers via an air stream. The air stream, fuel, and oxygen carriers are heated via a series of preheaters prior to their entry into the air and fuel reactors. The compressor is configured to increase the pressure of a CO2 stream to create a supercritical CO2 stream. The first and second heat exchangers are configured to heat the supercritical CO2 stream, and the turbine is configured to expand the heated supercritical CO2 stream to generate power.

Abstract: The present invention includes an underwater vehicle power unit and method of operating the same comprising: a fuel and waste stack comprising one or more reactant or fuel storage bladders and one or more waste storage bladders; a heater; a reactor that generates hydrogen and waste; a hydrogen and waste separator; a back-pressure regulator; a hydrogen and liquid separator; a fuel cell; and a controller that controls the temperature of the heater, the flow of fuel into the reactor, the flow of hydrogen into the fuel cell, the flow of water that dilutes the fuel, the flow of waste from the reactor and/or the fuel cell into the one or more waste storage bladders.

Abstract: A method and system of effervescent atomization of liquid fuel for a rotating detonation combustor (RDC) for a propulsion system is provided. The method includes flowing liquid fuel through a fuel injection port of a nozzle assembly of the RDC system; flowing a gas through the fuel injection port of the nozzle assembly volumetrically proportional to the liquid fuel; producing a gas-liquid fuel mixture at the fuel injection port by mixing the flow of gas and the flow of liquid fuel; flowing an oxidizer through a nozzle flowpath of the RDC system; producing an oxidizer-gas-liquid fuel mixture by mixing the gas-liquid fuel mixture and the flow of oxidizer within the nozzle flowpath; and igniting the oxidizer-gas-liquid fuel mixture within a combustion chamber of the RDC system.

Abstract: Systems and methods for using pressure swing adsorption to separate and/or capture resulting emissions are provided. A stream of recycled exhaust gas is passed into a first swing adsorption reactor comprising a first adsorbent material which adsorbs CO2. An enriched N2 stream is recovered from a forward end of the first swing adsorption reactor. The pressure in the first swing adsorption reactor is reduced. The first swing adsorption reactor is purged with a portion of the first N2 stream recovered from the first swing adsorption reactor. The first purge output is passed to a second swing adsorption reactor comprising a second adsorbent material which adsorbs CO2. A second N2 stream is recovered from the second swing adsorption reactor. The pressure in the second swing adsorption reactor is reduced. The second swing adsorption reactor is purged with a steam purge.

Abstract: A train includes a fuel storage tank configured to contain liquid fuel, a locomotive including an engine having an intake and configured to combust the fuel in a combustion reaction to provide a power output, an oxidant storage tank configured to contain at least liquid oxygen, and a vaporizer disposed along the flow path between the oxidant storage tank and the intake. The vaporizer is configured to convert a portion of the liquid oxygen into a flow of gaseous oxygen and provide the flow of gaseous oxygen to the intake thereby increasing the power output of the engine.

Abstract: Provided are systems and methods for cooling to increase efficiency in power-generation facilities, to cool various other apparatus including buildings, and/or to generate water, including, but not limited to, systems for increasing the efficiency of power-generating turbines via inlet-cooling, optionally by expanding a portion of a pressurized fuel source that also feeds the turbine.

Abstract: An exoatmospheric vehicle uses a control system that includes a thrust system to provide thrust to control flight of the vehicle. A regenerative heat system is used to preheat portions of the thrust system, prior to their use in control of the vehicle. The heat for preheating may be generated by consumption of a fuel of the vehicle, such as a monopropellant fuel. The fuel may be used to power a pump (among other possibilities), to pressurize the fuel for use by thrusters of the thrust system. The preheated portions of the thrust system may include one or more catalytic beds of the thrust system, which may be preheated using exhaust gasses from the pump. The preheating may reduce the response time of the thrusters that have their catalytic beds preheated. Other thrusters of the thrust system may not be preheated at all before operation.

Abstract: One of the objects of the invention is to provide a water-saving type advanced humid air gas turbine system (AHAT) that can decrease the amount of makeup water to be supplied from the outside, by reducing the amount of water consumed when the gas turbine system is starting up, shut down, or subjected to load rejection. The AHAT includes a gas turbine system; a heat recovery steam generator for generating steam by use of exhaust gas from a turbine; a water recovery system for recovering moisture contained in the exhaust gas; a first steam system for supplying steam, coming from the heat recovery steam generator, to a compressed air header; and a second steam system for supplying steam, coming from the heat recovery steam generator, to the heat recovery steam generator or the water recovery system. The gas turbine system includes a compressor, the compressed air header for generating humidified combustion air, a combustor for generating combustion gas, and the turbine.

Abstract: An integrated gasification combined cycle (IGCC) power plant includes an air separation unit configured to discharge a nitrogen flow and an oxygen flow. A first heat exchanger is attached to the air separation unit and heats the discharged nitrogen flow. A second heat exchanger is attached to the air separation unit and heats the discharged oxygen flow. A third heat exchanger is attached to a steam cycle of the IGCC and heats a condensate stream received from the steam cycle. A first adiabatic air compressor is attached to the first, second, and third heat exchangers. The adiabatic air compressor is configured to discharge a compressed air flow comprising a first flow and a second flow. The first flow is channeled to the first and third heat exchangers, and the second flow is channeled to the second and third heat exchangers.

Abstract: A method for operating a hydrogen-fueled gas turbine is provided wherein a supply of fuel is passed to a gas turbine combustor, and a supply of nitrogen and sufficient air to provide at least sufficient compressed air to the gas turbine for fuel combustion is passed to a compressor. A sufficient portion of the compressor discharge flow is passed to a combustor for fuel rich combustion of the fuel flow to the combustor and the fuel is combusted to produce hot combustion gases that are, in turn, passed to a turbine.

Abstract: A system includes a mixing assembly configured to mix a liquid fuel and a water to generate a fuel mixture. The fuel mixture is configured to combust in a combustor of a gas turbine. The mixing assembly includes a liquid fuel passage disposed in an integrated housing. The liquid fuel passage is configured to flow the liquid fuel and to exclude liquid traps. The mixing assembly also includes a water passage disposed in the integrated housing. The water passage is configured to flow the water and to exclude liquid traps. The mixing assembly also includes a mixer disposed in the integrated housing and coupled to the liquid fuel passage and the water passage. The mixer is configured to mix the liquid fuel and the water to form the fuel mixture.

Abstract: A combustor of a gas turbine engine is fed with liquid ammonia and that liquid ammonia is burned to drive a turbine. Inside the exhaust passage of the gas turbine engine, an NOX selective reduction catalyst is arranged. Inside the intake air which flows into the compressor, liquid ammonia is fed. This liquid ammonia is used to cool the intake air. The NOX which is contained in the exhaust gas is reduced by the unburned ammonia which is exhausted into the exhaust passage by the NOX selective reduction catalyst.

Abstract: Provided is a power plant including a gas turbine that uses a fuel gas as a fuel; a fuel gas cooler that cools the fuel gas, which is to be pressurized in a fuel gas compressor and re-circulated, using cooling water; and a dust collection device that separates/removes impurities from the fuel gas that is to be guided to the fuel gas compressor; wherein the power plant further includes heating means that heats the fuel gas that is to be guided to the dust collection device using the fuel gas that has been used to generate an anti-thrust force acting on a rotor of the fuel gas compressor.

Abstract: Disclosed is a system suitable for both of the production of electricity, and the utilization of electricity, comprising: electricity transformator, rectifyer, an oxygen storage and drawer unit, a hydrogen gas transmission unit, a reactor for the production of methanol, to which a carbon dioxide container and a carbon dioxide compression and pre-heating unit is linked at the input side, and a methanol-water rectifying unit is linked at the output side, the water leaving said rectifying unit is transferred to the fresh water inlet, and the separated methanol is transferred to the methanol storage tank, which is optionally linked to an equipment suitable for the combustion of methanol, preferably gas turbine. A process for storing electricity using the system is also disclosed.

Abstract: A turbomachine system includes a compressor portion having a compressor inlet and a compressor outlet, a turbine portion operatively connected to the compressor portion, a combustor having a combustor inlet fluidly connected to the compressor outlet and a combustor outlet fluidly connected to the turbine portion; and a reformer having a reformer inlet fluidly connected to the compressor outlet and a reformer outlet fluidly connected to the combustor inlet. The reformer partially combusts air from the compressor portion and a fuel to form a hydrogen-rich syngas.

Abstract: A Glycerin Fueled Afterburning Engine utilizes the power generation unit exhaust heat to pre-heat the glycerin, or similar difficult to combust fuel, and then utilizes regenerative burner heating to fully vaporize and superheat the fuel above the auto ignition temperature. The combustion inlet air is also highly preheated by the recuperative power generation cycle. The actual combustion process is then accomplished by hypergolic ignition from mixing the hot vapor with the hot air. The overall engine process operates on a cycle of (1) air compression, (2) indirect heating of air in an air heater, (3) air expansion, (4) air heating by combustion, and (5) air cooling by heat transfer to the incoming compressed air charge in the recuperator.

Abstract: A hybrid thermal power generation system using crude oil as a fuel comprises a combined cycle power generation system for generating power by supplying naphtha and light oil separated by an atmospheric distillation column alone into different gas turbines and using steam produced by exhaust heat and a conventional power generation system for generating power by burning heavy oil separated by the atmospheric distillation column alone.

Abstract: A plant for generation of steam for oil sand recovery from carbonaceous fuel with capture of CO2 from the exhaust gas, comprising heat coils (105, 105?, 105?) arranged in a combustion chamber (101) to cool the combustion gases in the combustion chamber to produce steam and superheated steam in the heat coils, steam withdrawal lines (133, 136, 145) for withdrawing steam from the heat coils, an exhaust gas line (106) for withdrawal of exhaust gas from the combustion chamber (101), where the combustion chamber operates at a pressure of 5 to 15 bara, and one or more heat exchanger(s) (107, 108) are provided for cooling of the combustion gas in line (106), a contact device (113) where the cooled combustion gas is brought in countercurrent flow with a lean CO2 absorbent to give a rich absorbent and a CO2 depleted flue gas, withdrawal lines (114, 115) for withdrawal of rich absorbent and CO2 depleted flue gas, respectively, from the contact device, the line (115) for withdrawal of CO2 depleted flue gas being connect

Abstract: Both power and H2 are produced from a gaseous mixture, comprising H2 and CO2, using first and second pressure swing adsorption (PSA) systems in series. The gaseous mixture is fed at super-atmospheric pressure to the first PSA system, which comprises adsorbent that selectively adsorbs CO2 at said pressure, and CO2 is adsorbed, thereby providing an H2-enriched mixture at super-atmospheric pressure. A fuel stream is formed from a portion of the H2-enriched mixture, which is combusted and the combustion effluent expanded to generate power. Another portion of the H2-enriched mixture is sent to the second PSA system, which comprises adsorbent that selectively adsorbs CO2 at super-atmospheric pressure, and CO2 is adsorbed, thereby providing a high purity H2 product. In preferred embodiments, the division of H2-enriched mixture between forming the fuel stream and being fed to the second PSA system is adjustable.

Abstract: In some implementations, a system may include a compressor, a heat exchanger and an ITM. The compressor is configured to receive an air stream and compress the air stream to generate a pressurized stream. The heat exchanger is configured to receive the pressured stream and indirectly heat the pressurized stream using heat from an oxygen stream from an Ion Transport Membrane (ITM). The ITM is configured to receive the heated pressurized stream and generate an oxygen stream and the non-permeate stream, wherein the non-permeate stream is passed to a gas turbine burner and the oxygen stream is passed to the heat exchanger.

Abstract: A system includes a sulfur recovery unit including a thermal reactor having an acid gas inlet and an air inlet. The acid gas inlet is configured to receive a flow of acid gas, and the air inlet is configured to receive an air flow of pressurized air extracted from a gas turbine compressor of a gas turbine engine.

Abstract: A methanol indirect combustion combined-cycle power generation apparatus and method. A liquid methanol input stream is evaporated to provide a gaseous methanol stream which is converted to syngas that is combusted in a gas turbine assembly to drive a first electrical generator and produce an exhaust gas. Heat from the exhaust gas of the gas turbine assembly is used to produce first and second steam streams. The first steam stream drives a first steam turbine and provides the heat required for converting the gaseous methanol stream to the syngas combustion stream. The second steam stream drives a second steam turbine and provides the heat required for evaporating the liquid methanol input stream. A second electrical generator is driven using at least one of the first and second steam turbines.

Abstract: A plant (100) for the gasification of biomass comprises a gasifier (10) and an apparatus (23) for the filtration of the gas. The apparatus comprises a scrubber (31), a tank (41), and a wet electrostatic precipitator (51). The scrubber is in fluid communication with the gasifier and with the tank, and is adapted for the injection of a washing liquid in the gas flow. The tank comprises a bottom area for collecting the liquid and a top area for holding the gas. The wet electrostatic precipitator is in fluid communication with the top area of the tank. In some examples, a gasifier comprises a gasification reactor (12), a grate (125) for the support of the biomass in the reactor (12) and a plug (126). The plug is vertically movable so as to close and/or open the middle part of the grate.

Abstract: The present invention provides methods and system for power generation using a high efficiency combustor in combination with a CO2 circulating fluid. The methods and systems advantageously can make use of a low pressure ratio power turbine and an economizer heat exchanger in specific embodiments. Additional low grade heat from an external source can be used to provide part of an amount of heat needed for heating the recycle CO2 circulating fluid. Fuel derived CO2 can be captured and delivered at pipeline pressure. Other impurities can be captured.

Abstract: A gasification power generation system provided with a carbon dioxide separation and recovery device is disclosed. The system includes a carbon dioxide separation and recovery device having a shift reactor to convert carbon monoxide contained in fuel gas into carbon dioxide by mixing steam into the fuel gas containing carbon monoxide and hydrogen to cause a shift reaction; a carbon dioxide absorption tower to produce fuel gas from which carbon dioxide has been removed by allowing an absorption liquid to absorb carbon dioxide from the fuel gas containing carbon dioxide flowing down the shift reactor; an absorption liquid recycling device to recycle an absorption liquid by separating carbon dioxide absorbed by the absorption liquid in the carbon dioxide absorption tower; and a gasification power generation system.

Abstract: A combustor of the type used for producing energy using biomass as fuel, wherein the combustor comprises at least one cyclonic and refractory combustion chamber, said combustion chamber being of a compact size, said combustor defines a means for carrying out the process of pyrolyzing, gasification, reduction and oxidation instantaneously, preheating means define the air temperature which is in a fuel-air ratio close to the stoichiometric ?=1, stabilizing means define the automatic control of the system by regulating the air and fuel flow. The biomass to be used as fuel in the present invention must be of millimetric size and the humidity content must not be greater than 30%. It can be used any kind of dry matter of vegetable or peat of different calorific power. The heat generated may be used in all conventional techniques.

Abstract: An object of the present invention is to provide a gas turbine combustor that supports hydrogen-containing gas having a high burning velocity and is capable of performing low NOx combustion without reducing reliability of a burner. A first fuel nozzle is provided upstream of a combustion chamber and supplies fuel for activation and hydrogen-containing gas. The combustor has a primary combustion zone, a reduction zone and a secondary combustion zone. In the primary combustion zone, the fuel supplied from the first fuel nozzle is combusted under a fuel rich condition to form a burned gas containing a low concentration of oxygen. In the reduction zone, a hydrogen-containing gas is injected into the combustion chamber through a second fuel injection hole from a second fuel nozzle so that NOx generated in the primary combustion zone is reduced by an oxygen reaction of the hydrogen.

Abstract: The device for injecting a liquid mono-propellant with a large amount of modulation of its flow rate and disposed at an upstream end of the wall of a combustion chamber of a rocket engine has a feed channel for feeding a mono-propellant from a tank. The device includes a single annular speed-up channel connected to the feed channel and having its outlet opening out via an annular injection section, the speed-up channel and the annular injection section being defined firstly by a first wall forming a stationary surface of revolution situated level with said upstream end, and secondly by a second wall forming a surface of revolution that is on a part that is movable in translation relative to the first wall forming a stationary surface of revolution.

Abstract: A method of operating a gas turbine, a device for regulating the starting and/or the operation of a gas turbine and a power plant are provided. The method includes continuously extracting fuel from a fuel network, and combusting, in at least one combustion chamber of a gas turbine, the fuel by adding combustion air. For an increase of a fuel stream supplied to the at least one combustion chamber, a fuel volume is extracted from a fuel store and supplied to the fuel still to be supplied to the at least one combustion chamber.

Abstract: A method is disclosed for removing deposits from rotating parts of a gas turbine engine while under full fire or idle speed utilizing a particulate coke composition. The coke composition may be introduced directly into the combustion chamber (combustor) of the gas turbine or, alternatively, anywhere in the fuel stream, water washing system, or the combustion air system. By kinetic impact with the deposits on blades and vanes, the deposits will be dislodged and will thereby restore the gas turbine to rated power output. If introduced into the compressor section, the coke particles impinge on those metal surfaces, cleaning them prior to entering the hot gas section where the process is repeated.

Abstract: Described herein are embodiments of systems and methods for oxidizing gases. In some embodiments, a reaction chamber is configured to receive a fuel gas and maintain the gas at a temperature within the reaction chamber that is above an autoignition temperature of the gas. The reaction chamber may also be configured to maintain a reaction temperature within the reaction chamber below a flameout temperature. In some embodiments, heat and product gases from the oxidation process can be used, for example, to drive a turbine, reciprocating engine, and injected back into the reaction chamber.

Abstract: Described herein are embodiments of systems and methods for oxidizing gases. In some embodiments, a reaction chamber is configured to receive a fuel gas and maintain the gas at a temperature within the reaction chamber that is above an autoignition temperature of the gas. The reaction chamber may also be configured to maintain a reaction temperature within the reaction chamber below a flameout temperature. In some embodiments, heat and product gases from the oxidation process can be used, for example, to drive a turbine, reciprocating engine, and injected back into the reaction chamber.

Abstract: The present invention provides methods and system for power generation using a high efficiency combustor in combination with a CO2 circulating fluid. The methods and systems advantageously can make use of a low pressure ratio power turbine and an economizer heat exchanger in specific embodiments. Additional low grade heat from an external source can be used to provide part of an amount of heat needed for heating the recycle CO2 circulating fluid. Fuel derived CO2 can be captured and delivered at pipeline pressure. Other impurities can be captured.

Abstract: According to one aspect of the invention, a method for providing a fuel supplied to a combustor in a gas turbine engine system includes partially oxidizing a fraction of primary fuel in a fuel circuit of the gas turbine engine system, in the absence of a catalyst, with a non-catalytic fuel reformer to form a reformate, wherein the fraction of primary fuel and an oxidant are mixed and burned in a predetermined ratio in the non-catalytic fuel reformer. The method also includes causing a water-gas shift reaction in a non-catalytic reaction passage in the non-catalytic fuel reformer by directing a selected amount of secondary fuel and a selected amount of steam into the partially oxidized fraction of fuel, thereby producing a reformate and mixing the reformate with a remaining fraction of fuel to produce a mixed fuel stream and supplying the mixed fuel stream to the combustor.

Abstract: According to one aspect of the exemplary embodiment, a turbomachine includes a compressor portion, a combustor fluidly connected to the compressor portion, and a turbine portion fluidly connected to the combustor portion and mechanically coupled to the compressor portion. The combustor portion is configured and disposed to burn ash-bearing fuel oils. The turbine portion includes a first stage having a first plurality of airfoils, and a second stage having a second plurality of airfoils. The first plurality of airfoils have a trailing edge discharge member. The second plurality of airfoils is clocked circumferentially relative to the first plurality of airfoils. The first plurality of airfoils are configured and disposed to direct an ash depleted flow upon corresponding adjacent ones of the second plurality of airfoils.

Abstract: A method for extracting energy from hydrocarbons located in a geologic reservoir is presented, including the steps of: oxidizing the hydrocarbons; extracting heat generated from oxidizing the hydrocarbons, relocating oxidized gases away from the oxidizing hydrocarbons; and replenishing oxygen towards the oxidizing hydrocarbons. The extraction of heat further includes: evaporating a liquid; transferring the evaporated liquid to the surface; and recovering low-NaCl, low-precipitate water from the evaporated liquid. The replenishing of oxygen towards the oxidizing hydrocarbons further includes: generating oxygen from water; and transferring the generated oxygen toward the oxidizing hydrocarbons; and combining hydrogen derived from the generating step with surface oxygen, whereby heat and low-precipitate, pure water is produced.

Abstract: An integrated oxy-combustion power generation process is provided. This process includes providing an air separation unit for producing at least an oxygen-enriched stream, providing a carbon dioxide recycle stream, which is combined with the oxygen-enriched stream thereby producing a synthetic air stream, providing a gas turbine comprising a gas inlet , a combustor, and a gas outlet, wherein the synthetic air stream is introduced into the gas inlet, providing a fuel stream to the combustor, thereby producing a power output, and a hot exhaust gas stream, which exits the gas outlet, introducing the exhaust gas stream, along with a boiler feed water stream, into a heat recovery steam generator, thereby producing a steam stream and a cooled exhaust gas stream, and separating the cooled exhaust gas stream into an enriched carbon dioxide product stream and the carbon dioxide recycle stream.

Abstract: Hydrogen-containing fuel/oxidizer combinations, such as aqueous ammonia and aqueous hydrogen peroxide, are disclosed. Systems and methods using such fuel for generation of energy are also disclosed. The reaction products of the fuels are environmentally benign chemicals such as nitrogen gas and water.

Abstract: According to this invention, plants of the genus Triodia are harvested for use as a renewable energy source or as a means of carbon sequestration. Triodia is a hummock-forming grass endemic to Australia, commonly known as spinifex. It is an abundant perennial plant which grows in semi-arid and arid regions. The novel use of Triodia as a biofuel feedstock has many advantages over the prior art. Being perennial, there is no need to plant and fertilise crops. The plants can be continuously harvested without damaging the soil. Triodia grows well with even small amounts of natural rainfall.

Abstract: Provided is a power plant including a gas turbine that uses a fuel gas as a fuel; a fuel gas cooler that cools the fuel gas, which is to be pressurized in a fuel gas compressor and re-circulated, using cooling water; and a dust collection device that separates/removes impurities from the fuel gas that is to be guided to the fuel gas compressor; wherein the power plant further includes heating means that heats the fuel gas that is to be guided to the dust collection device using the fuel gas that has been used to generate an anti-thrust force acting on a rotor of the fuel gas compressor.