Abstract: A process for producing an enhanced friction reducing surface by bonding a dry lubricant to a substrate by way of high velocity mechanical impact and low temperature diffusion bonding, and the friction-reduced surface produced thereby. A process for bonding the dry lubricant by peening and concurrently obtaining a desired dimpling or surface texturizing by appropriate selection of peening particle size and hardness relative to the substrate, as well as impact velocity against the substrate, is also provided.

Abstract: It shall be achieved by the invention that a workpiece for an explosion forming process, which can be inserted into a forming tool and which can be deformed from an initial shape by means of explosion forming, and the explosion forming method are improved such that a satisfactory quality of the workpiece with the desired wall thickness is achieved in a simple manner. This object is achieved by a workpiece and a respective explosion forming method in which the initial shape of the workpiece has at least in some portions a supply of material for the explosion forming process, which is pre-formed compared to adjoining portions or which is provided therewith.

Abstract: A thin walled body is deformed in a process in which the body is gripped securely in a holding station and, whilst gripped in the holding station, tooling engages to deform the peripheral wall of the body at a predetermined wall zone. The tooling is provided at a tooling station which is adjacent the holding station during deformation. The predetermined wall zone is co-aligned with the tooling by rotation of the body about an axis prior to securing at the holding station.

Abstract: A roll-forming machine for forming smooth curves in profiled panel sections. The roll forming machine has opposed pinch pass rollers having a roller profile generally corresponding to said profiled panel and a pair of cantilever rollers downstream of said pinch pass rollers. The cantilever rollers have axes of rotation that are offset relative to one another in the direction of travel of the profiled panel through the machine and having a roller profile also generally corresponding to the profiled panel. At least one sweep roller is positioned downstream of the cantilever rollers for bending said panel in a longitudinal direction as said panel passes past said sweep roller. The sweep roller also has a roller profile generally corresponding to the profiled panel. The at least one sweep roller can be positioned to the degree of bend of the smooth curve formed in said profiled panel by the machine.

Abstract: The invention relates to a device for producing a hollow body from a workpiece in the shape of a circular blank, comprising a forming mandrel supported in a rotationally driven manner, a pressing element which is also supported on the machine bed in a rotating manner and in an axially displaceable manner relative to the forming mandrel for clamping the workpiece, and at least one forming roller which can be fed axially and/or radially to the forming mandrel. The provision is made that on the pressing element at least one forming die is arranged, into which the forming mandrel can be entered axially for forming the workpiece and that the forming die can be displaced axially with respect to the pressing element. The invention further relates to a method for producing a hollow body from a workpiece in the shape of a circular blank.

Abstract: A piercing mill includes a plurality of inclined rolls, a plug, a pusher, and an undriven guide roll. The pusher pushes a round billet from the rear end at least until the round billet advances for a prescribed distance after contacting the inclined rolls. The guide roll is between the inclined rolls and the pusher and includes a roll shaft and a roll surface, with the roll shaft arranged obliquely with respect to a pass line PL. The sectional shape of the roll surface is a concave arch shape. The round billet is rotated by the guide roll and the friction force generated when the round billet contacts the inclined rolls is reduced. Consequently, the wear of the inclined rolls can be restrained if the round billet is pierced and rolled while it is pushed in between the inclined rolls using the pusher.

Abstract: The present invention provides a new bending apparatus and bending method of a tube material which makes it possible to achieve all of bending by a large bending radius not requiring large scale equipment or die, bending resistant to wrinkling and buckling at an inner side of the bending, and bending with a high productivity, that is, a ram bending apparatus using a punch 12 and a set of rolls 13, 13 for three-point bending of a tube material wherein the punch 12 has a groove 12a of a width of the width of a circular tube 11 or more and wherein the set of rolls 13, 13 are supported by a frame 14. The rolls 13, 13 can freely move on the frame 14 in directions away from each other in a state contacting the punch 12. The frame 14 has a hollow space 14a enabling free movement of the descending punch 12 and the circular tube 11 bent along with this during the bending of the circular tube 11.

Abstract: Tools for expanding (i.e., flaring and swedging) the ends of metal tubes are configured for attachment to a powered impact hammer, such as an air hammer. A swedging tool for swedging an end of a metal tube has a swedging body with a die section for expanding the tube when driven thereinto and a flanged shank attached to the swedging body and configured for engagement by a powered impact hammer. A flaring tool for flaring an end of a metal tube includes a flaring body having a die section for flaring the tube when driven thereinto. A flanged shank is attached to the flaring body and configured for engagement by a powered impact hammer. A method for expanding an end of a metal tube entails attaching a die body for expanding the end of the metal tube to a powered impact hammer, aligning the die body with the inner diameter of the metal tube, activating the powered impact hammer, and urging the die body a determined distance into the metal tube.

Abstract: An angular velocity detection circuit is connected to a resonator for making excited vibration on the basis of a drive signal and detects an angular velocity. The angular velocity detection circuit includes: a self-vibration component extraction unit that receives, from the resonator, a detection signal including an angular velocity component based on a Coriolis force and a self-vibration component based on the excited vibration and extracts the self-vibration component from the detection signal; a direct-current conversion unit including an integration unit that integrates an output signal of the self-vibration component extraction unit; and a temperature characteristic compensation unit that compensates for a variation due to a temperature in an output signal of the direct-current conversion unit.

Abstract: An error-correction method for an acceleration sensor having a plurality of electrodes and a seismic mass. The error-correction method which makes it possible to correct systematic errors at low expense includes the following steps: applying a voltage in order to deflect the seismic mass; measuring a first current caused by the deflection of the seismic mass; measuring a second current caused by the deflection of the seismic mass; and determining a correction variable on the basis of the first current and the second current.

Abstract: A photo acoustic trace gas detector (100) is provided for detecting a concentration of a trace gas in a gas mixture. The detector (100) comprises a light source (101) for producing a light beam and a light modulator (103) for modulating the light beam into a series of light pulses at a chopping frequency for generating sound waves in the gas mixture. The amplitude of the sound waves is a measure of the concentration of the trace gas. The detector (100) further comprises an optical cavity (104a, 104b) with the gas mixture. The optical cavity (104a, 104b) amplifies the light intensity of the light pulses. A transducer (109) converts the sound waves into electrical signals. A feed back loop (110, 111, 113, 114) regulates a ratio of a length of the optical cavity (104a, 104b) and a wavelength of the light beam for amplifying the light intensity of the light pulses in the optical cavity (104a, 104b).

Abstract: The invention relates to an arrangement and a method for measuring a protective gas (8) used in an arc-welding process by analyzing the protective gas (8) escaping from a gas nozzle (27) of a torch (10), wherein at least one sensor (31) is arranged in an external measuring device (30) for protective-gas analysis. For rapid, exact and practical determination and correspondingly effective evaluation of the protective effect of the protective gas, at least one sensor (31) is arranged in an external measuring device (30) for protective-gas analysis, which sensor (31) is positioned at a distance (38) from the torch (10) which substantially equals the distance (38) between the torch (10) and a workpiece (16) in a welding process so that the escape and effect of the protective gas (8) of an actual welding process can be simulated, and that at least one sensor (31) is connected to an evaluation unit (32) and via the latter to a welding device (1).

Abstract: A sensor including a tubular casing having an open rear end; and a first elastic member having a through hole so as to introduce ambient air into the casing and disposed so as to block the rear end opening of the casing.

Abstract: A system for detecting leaks in mattresses. The system allows for the detection of small holes in a mattress by applying pressurized gas or fluid to the mattress and observing the escape of gas or fluid through tears and incisions in the mattress cover in the formation of bubbles in a layer of solution covering the mattress cover. In an alternate embodiment, the escape of gas or fluid through the small holes produces ultrasonic vibrations, which an ultrasonic listening device detects, allowing an operator to determine the location of the holes.

Abstract: An apparatus for testing the integrity of pipe welds includes a sleeve for circumferentially surrounding the pipe, the sleeve having an inner diameter greater than the outer diameter of the pipe. The sleeve having end walls extending radially inwards towards the pipe wall. The apparatus including at least two seals to form a sealed annular space between the pipe, the sleeve and the sleeve end walls. A filling and pressurizing means pressurizes the annular space. The test procedure comprises monitoring of the pressure within the space.

Abstract: An apparatus for testing the workability of asphalt mixes includes a frame, a motor operably attached to the frame for rotating a turntable, a container attachable to the turntable, and a paddle for mixing a first asphalt mixture in the container. A torque meter is operably attachable to the frame and to the paddle to measure in real-time the torque applied to the paddle shaft, and a temperature sensor measures the temperature in real-time of the first asphalt mixture in the container. In one embodiment the paddle has a vertical shaft, a plurality of laterally-extending elongated arms attached at first ends to the shaft and at distal second ends to angled plates. In another embodiment, a display and a processor are provided for automatically displaying on the display in real-time a plot of the torque verses time and the temperature verses time for the measured torque and temperature while mixing the asphalt mixture.

Abstract: Biochemical Assay Methods. There is described a method for determining a value that allows the effect that a compound has on a target to be compared with the effect that another compound has on the target, which method comprises adding the compound, at a concentration which continuously varies with time, to a flow of the target. The method can be carried out using a microfluidic system.

Abstract: A particle monitor (1) including a module (3) for measuring a particle content of a sample, the module including an analysis chamber (4) for receipt of the sample and a heating unit (24) for maintaining an operating temperature of the chamber (4) and for heating the air used for purging the sample from the chamber (4). The invention also relates to a particle monitor (1) with a vibrator assembly (6) and to a particle monitor (1) with a valve assembly (8) for effecting a fast purge mode, for clearing a sample tube (5), and a slow purge mode.

Abstract: A fluid identification sensor that includes a fluid identification element and a fluid temperature detecting element that is disposed separately at a predefined distance from the fluid identification element is used. A voltage is applied to the fluid identification element for a prescribed time to heat a identification target fluid. A first output value that is an electrical output value corresponding to a first temperature of a fluid identification element and a second output value that is an electrical output value corresponding to a second temperature of a fluid identification element are obtained. A fluid identification is carried out by comparing a rate of change of the first output value and the second output value with a rate of change of a first output value and a second output value for a reference fluid, which has been measured in advance.

Abstract: The present invention provides systems, methods, and devices for using acoustic energy. In some embodiments, a fluid bath may be provided in the system where the fluid bath quality may be monitored using acoustic energy. An assessment of fluid bath quality can be determined through a comparison that is made of an initial power signal of the acoustic energy with a reflected power signal of the acoustic energy.

Abstract: A method for monitoring a compressor comprising a rotor is presented. The method comprises obtaining a dynamic pressure signal of the rotor, obtaining a blade passing frequency of the rotor, using the blade passing frequency signal for filtering the dynamic pressure signal, buffering the filtered dynamic pressure signal over a moving window time period, and analyzing the buffered dynamic pressure signal to predict a stall condition of the compressor.

Abstract: A compression tester adapter assembly is provided for use with both 12 millimeter and 16 millimeter spark plug sockets in an internal combustion engine cylinder head. An adapter has a leading cylindrical portion including one set of external threads configured with a nominal diameter of 12 millimeters, and a trailing cylindrical portion spaced from the leading cylindrical portion and including another set of external threads configured with a nominal diameter of 16 millimeters. The axial spacing between a first leading full thread on the 12 millimeter threads and a first leading full thread on the 16 millimeter threads lies in the critical range of 0.636?-0.737?. A hose has opposite ends attached to the adapter and a connector.

Abstract: A method for identifying wheels (4) mounted on a vehicle with an engine, wherein each wheel is fitted with a vibration sensor (15) and, initially, in a preliminary phase, with the engine running, the signal delivered by a vibration sensor is analyzed in order to establish a cross-reference table between given values of rotation speeds of the engine and the corresponding values of a parameter characteristic of the signal delivered by this vibration sensor. The identification procedure includes measuring real speeds of rotation of the engine, and comparing the measured values of rotation speed of the engine with the values of rotation speed of the engine calculated from the analysis of the signal delivered by a vibration sensor, so as to validate the identification of the corresponding wheel during a correlation between the measured and calculated values of rotation speed of the engine.

Abstract: A method of controlling a motor vehicle is disclosed. The method can be used to determine an ambient pressure value without the use of an ambient pressure sensor. The ambient pressure value can be used for controlling a set of fuel injectors. The method can include provisions for adjusting the ambient pressure value to correct for errors introduced by engine wear and other factors.

Abstract: A method and apparatus for measuring the amount of fuel aboard a spacecraft under weightless conditions utilize at least one orifice, at least one flow latch valve for the selection of an orifice to be used, and at least one control valve for releasing a stream of a pressurizing gas from at least one high-pressure tank in order to restore pressure in a fuel tank following a pressure reduction due to withdrawal of fuel. The amount of fuel remaining in the fuel tank is determined based on the time required to restore fuel tank pressure bv a flow of gas from the high pressure tank to the fuel tank, via the orifice.

Abstract: Disclosed is a method and system for determining composition of a fuel entering a combustor. The method includes determining a temperature of the fuel entering the combustor, calculating a first estimated total fuel flow utilizing fuel properties and fuel nozzle effective area (Ae), and calculating a second estimated total fuel flow utilizing an aero-thermal cycle model analysis. The first estimated total fuel flow is compared to the second estimated total fuel flow and a lower heating value of the fuel is determined from a difference between the first estimated total fuel flow and the second estimated total fuel flow. A method and system for controlling a gas turbine includes calculating effects of the fuel composition on performance of the gas turbine and comparing one or more performance parameters to one or more parameter limits. One or more machine controls of the gas turbine are changed based on the results of the comparison.

Abstract: A tire and sensor system and method includes a tire having an inflatable radially inward tire casing and a radially outward tire tread ring situated on the casing and a sensor system. The sensor system includes a first conductive medium affixed to a radially inward surface of the tread ring and a second conductive medium affixed to a radially outward surface of the casing. The second conductive medium operatively contacts the first conductive medium in a desired, relative orientation between the tire casing and the tread ring and operatively separates from the first conductive medium when tire casing and the tread ring depart from the desired orientation. A sensor is connected to the second conductive medium for operatively detecting separation of the second conductive medium from the first conductive medium.

Abstract: The invention provides a sensor cartridge comprising: (a) a protective housing (10), the protective housing being resistant to downhole oilfield environment; (b) a sensor (1) within the protective housing able to measure a parameter of the down-hole oilfield environment; (c) an attaching means (5) to interconnect with another sensor cartridge (102) and/or a hub (1OO); (d) a data communication unit (6) within the protective housing, the data communication unit providing wireless communication of the measured parameter to the other sensor cartridge and/or the hub when interconnected with the other sensor cartridge and/or the hub; and (e) a power unit (7) within the protective housing, the power unit providing power supply to sensor and/or data communication unit.

Abstract: A system for monitoring a sand reservoir includes: (a) a sand reservoir carried on an off-highway vehicle; and (b) at least one sand level indicator carried by the sand reservoir which provides a visual display external to the sand reservoir indicative of the quantity of sand within the sand reservoir.

Abstract: A container (20) to receive liquids to aid in the volumetric measuring and mixing thereof, said container (20) including a hollow body (21); a bottom wall providing a base (22); a first chamber (27) at least partly enclosed by said base (21) and to receive a first liquid; a top (24) via which the first liquid is delivered to said first chamber (27); a second chamber (28), the second chamber (28) being provided to receive a second liquid and being partitioned from the first chamber (27) but communicating therewith to provide for the flow of at least part of said second liquid to said first chamber; graduations (33) associated with said second chamber (28), said graduations (33) extending in a predetermined direction (34), with said second chamber (28) having a cross section transverse of said direction (34); and wherein said first chamber (27) has a cross section generally parallel to said base (22) that is greater than said cross section of said second chamber (27).

Abstract: A physical quantity sensor comprises a sensor circuit that converts an externally applied physical quantity to an electrical signal and outputs a detection signal; an adjustment circuit that adjusts the detection signal, which is received from the sensor circuit, to a predetermined signal; and an output circuit that forms an output signal from the signal of the adjustment circuit wherein the sensor circuit and the output circuit are driven by a common power supply voltage. The adjustment circuit comprises a pulse generation circuit that generates a pulse modulation signal based on the power supply voltage; and an amplifier circuit that amplifies the detection signal, which is received from the sensor circuit, with a gain made variable by the pulse modulation signal, wherein the detection sensitivity of the output signal is made variable according to the power supply voltage.

Abstract: An arrangement for measuring a rate of rotation using a vibration sensor, being excited and measured by means of capacitive drive elements, and the rotation of said sensor in an axis, excited by a rotation in another axis by means of the Coriolis force, being measured by means of capacitive measuring elements. Excitation voltages can be supplied to the fixed electrodes of the drive elements, the frequency of said voltages corresponding to the resonance frequency or the subharmonic of the resonance frequency of the vibration sensor. An alternating voltage having a first measuring frequency which is higher than the excitation frequency can be supplied to capacitive elements for measuring the excited vibration.

Abstract: An angular velocity detection circuit is connected to a resonator for making excited vibration on the basis of a drive signal and detects an angular velocity. The angular velocity detection circuit includes: a self-vibration component extraction unit that receives, from the resonator, a detection signal including an angular velocity component based on a Coriolis force and a self-vibration component based on the excited vibration of the resonator and extracts the self-vibration component from the detection signal; a direct-current conversion unit including an integration unit that integrates an output signal of the self-vibration component extraction unit; and an offset addition unit that adds an offset value to an output signal of the direct-current conversion unit.

Abstract: An angular velocity sensor detects an angular velocity of an object. The angular velocity sensor includes a detecting element, and a driving unit. The detecting element includes a supporting part, a first arm extending from the supporting part and being adapted to be fixed to the object, a second arm extending from the supporting part, and a first weight connected with the second arm. The second arm has substantially a U-shape and includes a first extending part extending from the supporting part, a first facing part facing the first extending part and extending in parallel with the first extending part, and a first joint part joining the first extending part to the first facing part. The first weight is connected with the facing part of the second arm. The driving unit includes first to fourth drivers. The first driver is provided at the first extending part and extends and contracts the first extending part.

Abstract: A micromechanical sensor element includes: a substrate; a first seismic mass suspended from the substrate, which is deflectable from a first rest position by an acceleration acting perpendicularly to a main plane of extension; and a second seismic mass, which is deflectable from a second rest position by the acceleration. At least a partial overlap is provided between the first seismic mass and the second seismic mass perpendicular to the main plane of extension.

Abstract: A device for non-destructive testing of a component by analyzing radiation dissipation when the component is stressed by mechanical stresses. The device includes measuring means for determining a surface radiation field of the component. The measuring means are integrated in a flexible housing for covering a region of the surface of the component to be tested. The device enables an initial crack upon stress concentration on a surface of the component and the presence of a crack upon propagation of the crack to be detected. The disclosed embodiments are useful for non-destructive testing of aircraft components, but may be used in all industrial sectors where testing the integrity of components is important, such as the automotive, railway, marine and nuclear industries.

Abstract: A method for inspecting at least one rotor blade of a wind turbine for damage, such as subsurface blade cracks, includes the steps of: attaching at least one acoustic emission sensor to a surface of a rotor blade to be inspected, exciting oscillations in the rotor blade for a time period, measuring activity signals of the oscillations in the rotor blade with the at least one acoustic emission sensor, and detaching the at least one acoustic emission sensor from the surface of the rotor blade after the inspection. An inspection system for a rotor blade of a wind turbine is also contemplated.

Abstract: An apparatus for performing tomographic imaging of an object comprising means for conveying the object through a first imaging means and a second imaging means which are static relative to the conveying means and are comprised of at least one source and detector. The source illuminates the detector with a beam to obtain a tomographic slice with the tomographic slice of the first and second imaging means being coplanar. Between the two imaging means the movement involves a change of direction of motion of the object in the same plane as the tomographic slice whilst maintaining the objects orientation relative to the apparatus.

Abstract: A self propelled scanning device is disclosed. The device includes a self propelled chassis that is locomotive across a surface to be scanned, a translator attached to the chassis, and a carriage attached to the translator and adapted to receive a scanner. The translator selectively moves the carriage in at least one dimension across the surface to be scanned.

Abstract: An apparatus and method for testing composite structures in which ultrasonic waves are used to detect disbonds in the structures are described. The apparatus comprises a flexible structure carrying acousto-optical transducers such as fiber Bragg gratings. During use, the apparatus is mechanically and conformally coupled to the structure under test.

Abstract: An ultrasonic transducer with a housing having an ultrasonic window in a first region of the housing for transmitting ultrasonic waves, and a transducer element located in the housing adjacent to the ultrasonic window. To prevent ultrasonic waves from being transmitted as housing waves between the first region of the housing, by way of at least one intermediate second region of the housing, to a third region of the housing on opposite side of the second region from the first region, in the second region of the housing, at least two weakly coupled mechanical resonators are provided which are arranged essentially in secession in the propagation direction of the housing waves.

Abstract: An ultrasonic transducer for installation in an instrument housing, the ultrasonic transducer having a transducer housing and a housing fixture, the transducer housing being put under pressure by a medium in its installed state on its emitting and/or receiving side. To provide an ultrasonic transducer for installation in an instrument housing, which implements a measure for avoiding crosstalk of ultrasonic signals and avoids the disadvantages known from the prior art—at least partially, the ultrasonic transducer is wherein the transducer housing indirectly forms at least one contact area in its installed state with the housing fixture, the transducer housing and the housing fixture being at least indirectly pressed against one another in a first contact area with existing, but as slight as possible, surface pressure by a pre-loading mechanism.

Abstract: The speed of rotation of a rotary member such as a compressor or turbine wheel of a turbocharger is determined by directing an ultrasonic signal into a blade cavity and receiving the reflected signal, which is amplitude modulated by virtue of the passage of the blades across the ultrasonic transducer. The received signal is demodulated to determine the frequency of amplitude modulation of the received signal caused by passage of blades between the first and second locations. This enables the speed of rotation to be calculated. The performance of the turbocharger can thus be optimised in the context of the overall engine system via an engine control module.

Abstract: A process pulsation diagnostic system comprises a primary element, a sensor and a processor. The primary element generates a differential pressure along a fluid flow. The sensor samples the differential pressure. The processor generates a pulsation diagnostic based on a standard deviation of the differential pressure, such that the pulsation diagnostic is indicative of a degree of process pulsation in the fluid flow.

Abstract: The invention relates to a pressure gauge having a cylindrical housing to which a bushing is fixed, which penetrates the housing. The pressure gauge is furthermore provided with a pressure sensor together with an allocated electronic evaluation unit, said sensor is operatively connected to a pressure port coaxially positioned to the longitudinal axis of the housing. A turnable adjustment pin to engage with an adjustment device of the electronic evaluation unit in the pressure gauge is accommodated in the bushing in a liquid-proof manner, and is equipped with holding means by means of which it is undetachably secured to the bushing.

Abstract: A pressure-sensor device (1) comprises:—a pressure-sensitive component (9) having a body, defined in which is a blind cavity, and having a membrane portion (9a), operatively associated to which is a detection element (R); and—a connection structure (2), which has a duct in communication with the cavity of the pressure-sensitive component (9) and is to receive a fluid, a pressure of which is to be detected. The connection structure (2) comprises a supporting body (2a) of the pressure-sensitive component (9), which defines a respective passage (2b), and a compressible element (12, 18) that is designed to be in contact with the fluid and is configured for compensating possible variations of volume thereof. The compressible element (12, 18) is positioned at least in part within the cavity (11) of the pressure-sensitive component (9) and/or in a stretch of the passage (2b) of the supporting body (2a) that is close to the cavity (11) of the pressure-sensitive component (9).

Abstract: A device, system and method for analyzing a user's motion using a piezoelectric film to generate a plurality of deformation signals based upon an associated plurality of deformations, an EEPROM to record data associated with the plurality of deformation signals, and a transceiver to receive at least a portion of the recorded data from the EEPROM and to transmit data, wherein the analysis may determine an abnormality in the user's gait.

Abstract: The present invention includes: a pair of columnar members 12a and 12b disposed on both sides of a specimen SP; a crosshead 15, constructed so as to bridge the pair of columnar members 12a and 12b, that applies a load to the specimen SP by moving in a direction of a longitudinal axis of the columnar members 12a and 12b; and a support pole 35 at which a mounting fixture is to be attached, that extends in the direction of the longitudinal axis circumjacent the pair of columnar members 12a and 12b. The support pole 35 is provided with a sliding attachment unit 35b to 35d that extends in the direction of the longitudinal axis and slides a mounting fixture for use in material testing to change a position at which the mounting fixture is attached.

Abstract: Apparatus tests the performance of joints between an attachment and a beam having a pair of caps connected by a corrugated web. The apparatus includes first and second grips contoured to the shape of a portion of the corrugated web for gripping the web. A force applicator coupled with the attachment and the grips applies force to the beam through the joint.

Abstract: A system for stabilizing flow in a pipeline is provided. The system includes at least one of an internal supply or an external supply configured to provide fluid into the pipeline such that a ratio of liquid to gas in the flow is within an acceptable range. The system also includes one or more sensors configured to indicate the ratio of liquid to gas in the fluid. The system further includes at least one valve configured to regulate a flow of the fluid from the internal supply or the external supply into the pipeline based upon the ratio indicated by the one or more sensors.