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Gas compressor
About: Gas compressor is a research topic. Over the lifetime, 91817 publications have been published within this topic receiving 552209 citations.
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Patent•
23 Dec 2003
TL;DR: In this paper, a reciprocating gas compressor is described operating according to an extended cycle of 4, 6 or more strokes, wherein the first two strokes are sequential induction and compression strokes using a low pressure gas as working fluid and compressing it to a high pressure gas, and the remaining strokes are pairs of sequential filling and emptying strokes using more of the low-pressure gas as heat transfer fluid for transferring heat from inside the gas compressor to outside the gas compressors.
Abstract: A reciprocating gas compressor is described operating according to an extended cycle of 4, 6 or more strokes, wherein the first two strokes are sequential induction and compression strokes using a low pressure gas as working fluid and compressing it to a high pressure gas, and the remaining strokes are pairs of sequential filling and emptying strokes using more of the low pressure gas as heat transfer fluid for transferring heat from inside the gas compressor to outside the gas compressor. The gas compressor also contains an in-cylinder heat regenerator for absorbing heat from the compressed gas and releasing heat to the heat transfer fluid thus achieving near-isothermal compression. Using parallel principles, a reciprocating gas expander is also described for achieving near-isothermal expansion. Also described are reciprocating machines using the near-isothermal gas compressor and near-isothermal gas expander in combination according to the Ericsson heat engine cycle, the Stirling heat engine cycle and the Stirling refrigeration cycle.
65 citations
Patent•
27 Dec 1977
TL;DR: In this article, a gas turbine engine has conduits leading from the compressor to the turbine for bleeding a portion of compressor air through the turbine blades for cooling or other purposes, and a radial pump in the conduits formed by a tangential accelerator and a rotating diffuser transmits the air from the nonrotating environment in the engine to the rotating environment of the turbine rotor.
Abstract: A gas turbine engine has conduits leading from the compressor to the turbine for bleeding a portion of compressor air through the turbine blades for cooling or other purposes. A radial pump in the conduits formed by a tangential accelerator and a rotating diffuser transmits the air from the non-rotating environment in the engine to the rotating environment of the turbine rotor. The tangential accelerator accelerates the bleed air to a tangential speed higher than that of the rotor, and the radial diffuser is designed to recover the dynamic pressure or relative velocity of the air over the rotor.
65 citations
TL;DR: In this article, the authors present new experimental data of the system performance of the two-phase ejector refrigeration cycle (TPERC), which enables the evaporator to be flooded with refrigerant, resulting in a higher refrigerant side heat transfer coefficient.
65 citations
Patent•
15 Jan 1971
TL;DR: In a combined gas-steam turbine power plant, part-load heat rate is improved by recirculating the boiler stack gas into the air inlet of the turbine compressor section as discussed by the authors.
Abstract: In a combined gas-steam turbine power plant, part-load heat rate is improved by recirculating the boiler stack gas into the air inlet of the turbine compressor section.
65 citations
Patent•
22 Oct 2010TL;DR: In this article, a combined cycle power plant includes a compressor section including a compressor inlet and a compressor outlet, and a turbine section operatively connected to the compressor section, where a carbon dioxide collection system is configured and disposed to extract a first fluid comprising carbon dioxide and a second fluid from a substantially oxygen free fluid flow passed from the one of the compressor outlet and the head end of the combustor.
Abstract: A combined cycle power plant includes a compressor section including a compressor inlet and a compressor outlet, and a turbine section operatively connected to the compressor section. The turbine section includes a turbine inlet and a turbine outlet. A heat recovery steam generator (HRSG) is fluidly connected to the turbine outlet. A combustor includes a head end and a combustor discharge. The head end is fluidly connected to the compressor outlet and the combustor discharge is fluidly connected to the turbine inlet. A carbon dioxide collection system is fluidly connected to one of the compressor outlet and the head end of the combustor. The carbon dioxide collection system is configured and disposed to extract a first fluid comprising carbon dioxide and a second fluid from a substantially oxygen free fluid flow passed from the one of the compressor outlet and the head end of the combustor.
65 citations