An Ultra Low Temperature Differential Stirling Engine

Senft, James R.

doi:10.1017/cbo9780511546105.014

Cited by 15 publications

(33 citation statements)

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“…It seems difficult to create any advancement better than this result. Senft's work in 1991 [6], showing the principle motivation for using Stirling and general heat engines, developed an engine operating with a temperature difference of 2 1C or lower.…”

Section: Introductionmentioning

confidence: 99%

Simulation, construction and testing of a two-cylinder solar Stirling engine powered by a flat-plate solar collector without regenerator

2008

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Section: Introductionmentioning

confidence: 99%

Simulation, construction and testing of a two-cylinder solar Stirling engine powered by a flat-plate solar collector without regenerator

2008

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“…Kolin [4] developed the first conventional LTD Stirling engine. The engine operated at temperature difference as low as 15 K. Senft [5] was one of the pioneers of LTD Stirling engines. Senft designed and developed an amazing small prototype of the LTD Stirling engine based on a temperature difference of 0.5 K. Indeed, it was the lowest temperature difference reported amongst the previous works.…”

Section: Introductionmentioning

confidence: 99%

A novel solar-powered active low temperature differential Stirling pump

Jokar

Tavakolpour-Saleh

2015

Renewable Energy

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a b s t r a c tThis paper presents a novel solar-powered active Stirling converter with liquid power piston and solid controllable displacer. First, the working principle of the proposed converter is described. Then, finite time thermodynamic approach incorporating heat transfer equations are employed to determine gas temperatures in hot and cold spaces based on the assumption of imperfect regeneration. Accordingly, pressure variation of the gas due to reciprocating motion of the displacer piston is investigated using the obtained gas temperatures and Schmidt theory. Next, total work done by the converter and thermal efficiency are evaluated. Kinematic and dynamic equations governing the pump system are presented and the water flow characteristics in suction and discharge states are investigated. A simulation study is carried out through coupling and simultaneously solving the obtained equations. An optimization scheme is thus conducted to find an optimum frequency of the active converter so that a maximum power is generated. The influences of regenerator efficiency, dead volumes, and water head on the optimum operating frequency and the generated power are investigated. Finally, the proposed converter is constructed and primarily tested. The experimental outcomes clearly reveal the feasibility of pumping water at low temperature difference through the proposed active Stirling pump.

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“…This compatibility with alternative and renewable energy sources has become increasingly significant as the price of conventional fuels rises, and also in light of concerns such as peak oil and climate change. This engine is currently exciting interest as the core component of micro combined heat and power (CHP) units, in which it is more efficient and safer than a comparable steam engine [5,6].…”

Section: Introductionmentioning

confidence: 99%

Simulation of Dish Stirling Solar Concentrator by Greenius Software

Kaddour¹

2012

J Elec Electron

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An Ultra Low Temperature Differential Stirling Engine

Cited by 15 publications

References 0 publications

Simulation, construction and testing of a two-cylinder solar Stirling engine powered by a flat-plate solar collector without regenerator

Simulation, construction and testing of a two-cylinder solar Stirling engine powered by a flat-plate solar collector without regenerator

A novel solar-powered active low temperature differential Stirling pump

Simulation of Dish Stirling Solar Concentrator by Greenius Software

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