Abstract: An annular duct arrangement configured to cause a flow stream passing through the annular duct arrangement to be expelled from an outlet of the annular duct arrangement in a predetermined flow form.

Abstract: A water turbine drive system is described for generating rotational power from a flowing water stream. The water turbine drive system comprises a rotating machine driven by a water turbine disposed remote from the machine, where the machine and turbine are connected together by a tether member adapted to be rotated by the turbine and transmit the rotation and thereby drive the machine. The tether member permits positional movement of the turbine relative to the machine such that the rotational axis of the turbine need not be co-aligned with the rotational axis of a driven rotating member of the machine.

Abstract: An artificially created atmospheric circulation system comprising a plurality of vortex generating units (10), wherein each vortex generating unit (10) is configured to generate an upwardly directed vortex 15 within the atmosphere and wherein the plurality of vortex generating units are configured and associated so that all of the vortices 15 produced combine to provide a single atmospheric vortex (17).

Abstract: A supersonic cooling system operates by pumping liquid. Because the supersonic cooling system pumps liquid, the compression system does not require the use of a condenser. The compression system utilizes a compression wave. An evaporator of the compression system operates in the critical flow regime where the pressure in an evaporator tube will remain almost constant and then ‘jump’ or ‘shock up’ to the ambient pressure.

Abstract: A vapour absorption system (11) adapted to receive a vapour comprising a vacuum pump (16) having an operating liquid wherein the vapour is received by an operating liquid and condensed therein to provide condensed liquid mixed with the operating liquid.

Abstract: A supersonic cooling system operates by pumping liquid. Because the supersonic cooling system pumps liquid, the compression system does not require the use of a condenser. The compression system utilizes a compression wave. An evaporator of the compression system operates in the critical flow regime where the pressure in an evaporator tube will remain almost constant and then ‘jump’ or ‘shock up’ to the ambient pressure.

Abstract: A supersonic cooling system operates by pumping liquid. Because the supersonic cooling system pumps liquid, the compression system does not require the use of a condenser. The compression system utilizes a compression wave. An evaporator of the compression system operates in the critical flow regime where the pressure in an evaporator tube will remain almost constant and then ‘jump’ or ‘shock up’ to the ambient pressure.

Abstract: A supersonic cooling system operates by pumping liquid. Because supersonic cooling system pumps liquid, the compression system does not require the use a condenser. Compression system utilizes a compression wave. The evaporator of compression system operates in the critical flow regime where the pressure in an evaporator tube will remain almost constant and then ‘jump’ or ‘shock up’ to the ambient pressure.

Abstract: A supersonic cooling system operates by pumping liquid. Because the supersonic cooling system pumps liquid, the compression system does not require the use of a condenser. The compression system utilizes a compression wave. An evaporator of the compression system operates in the critical flow regime where the pressure in an evaporator tube will remain almost constant and then ‘jump’ or ‘shock up’ to the ambient pressure.

Abstract: A supersonic cooling system operates by pumping liquid. Because the supersonic cooling system pumps liquid, the compression system does not require the use of a condenser. The compression system utilizes a compression wave. An evaporator of the compression system operates in the critical flow regime where the pressure in an evaporator tube will remain almost constant and then ‘jump’ or ‘shock up’ to the ambient pressure.

Abstract: A supersonic cooling system operates by pumping liquid. Because the supersonic cooling system pumps liquid, the compression system does not require the use of a condenser. The compression system utilizes a compression wave. An evaporator of the compression system operates in the critical flow regime where the pressure in an evaporator tube will remain almost constant and then ‘jump’ or ‘shock up’ to the ambient pressure.

Abstract: A supersonic cooling system operates by pumping liquid. Because supersonic cooling system pumps liquid, the compression system does not require the use a condenser. Compression system utilizes a compression wave. The evaporator of compression system operates in the critical flow regime where the pressure in an evaporator tube will remain almost constant and then ‘jump’ or ‘shock up’ to the ambient pressure.

Abstract: A fluid pathway is provided with a flow controller in at least a portion of its length wherein the flow controller comprises an active surface capable of influencing the fluid flow through the fluid pathway, the configuration of the active surface conforming to at least one logarithmic curve conforming to the Golden Section.

Abstract: A heat exchanger having an active surface over which a fluid flows to affect an exchange of heat between the active surface and the fluid. In some embodiments, the active surface includes a logarithmic spiral wherein the radius of the logarithmic spiral measured at equiangular radii unfolds at a constant order of growth. Further embodiments exhibit an active surface conforming to the internal or external surface of particular classes or genera of shells.

Abstract: A rotor for use with a fluid flow generator or reactor, said rotor being rotatable about a central axis of the rotor and having a at least one vane arranged, in use, to induce a generally axial fluid-flow into the central axial region of the rotor and an outward flow from the central axial region of the rotor to the outer periphery of the rotor, wherein the at least one vane comprises a vortex generator adapted to accelerate the fluid away from the central axis of the rotor in a vortical motion.

Abstract: A housing for a blower, fan or pump or turbine, the housing adapted to be associated with a rotor adapted in use to cooperate with fluid flowing through the housing wherein the housing comprises a shroud for guiding the fluid moving in association with the rotor, the rotor having at least one vane adapted to cooperate with the fluid to drive or to be driven by the fluid, wherein the shroud is configured to promote vortical flow of the fluid through the housing.

Abstract: A fluid circulation system wherein circulation is caused within a body by establishing a ring vortex within the fluid caused by an impeller designed in accordance with the Golden Section or Phi Geometry.

Abstract: A heat exchanger having an active surface over which a fluid flows to affect an exchange of heat between the active surface and the fluid, the active surface having a curvature which conforms substantially with at least one logarithmic curve conforming to the Golden Section.

Abstract: A flow controller adapted to control a flow of fluid within the flow controller, the flow controller having a flow path adapted to convey said fluid, wherein the cross-sectional area of the flow path varies along the flow path and wherein in at least a portion of its length the flow controller comprises an active surface capable of influencing the fluid flow through the flow path to cause vortical motion of the fluid within the fluid pathway.

Abstract: A vortex ring generator adapted to be associated with a body subjected to fluid flow, the vortex ring generator being adapted to produce a fluid flow in the form of a vortex ring with the fluid flow moving over the body from the vortex ring generator.