Stirling engines | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-07-07

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Stirling_engine


00:00:54 1 History
00:01:03 1.1 The early Hot Air Engines
00:05:57 1.2 Invention and early development
00:07:41 1.3 Later nineteenth century
00:08:53 1.4 Twentieth century revival
00:12:43 2 Name and classification
00:16:02 3 Functional description
00:16:31 3.1 Key components
00:17:01 3.1.1 Heat source
00:18:05 3.1.2 Heater / hot side heat exchanger
00:18:52 3.1.3 Regenerator
00:21:22 3.1.4 Cooler / cold side heat exchanger
00:21:43 3.1.5 Heat sink
00:22:40 3.1.6 Displacer
00:23:11 3.2 Configurations
00:24:18 3.2.1 Alpha configuration operation
00:25:25 3.2.2 Beta configuration operation
00:26:34 3.2.3 Gamma configuration operation
00:27:11 3.2.4 Other types
00:29:32 3.2.5 Free-piston Stirling engines
00:32:21 3.2.5.1 Flat Stirling engine
00:33:21 3.2.5.2 Thermoacoustic cycle
00:34:05 3.3 Other developments
00:35:35 4 Theory
00:38:40 4.1 Operation
00:43:03 4.2 Pressurization
00:44:30 4.3 Lubricants and friction
00:45:23 5 Analysis
00:45:31 5.1 Comparison with internal combustion engines
00:47:09 5.1.1 Advantages
00:49:50 5.1.2 Disadvantages
00:49:58 5.1.2.1 Size and cost issues
00:52:06 5.1.2.2 Power and torque issues
00:54:09 5.1.2.3 Gas choice issues
00:57:21 6 Applications



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SUMMARY
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A Stirling engine is a heat engine that is operated by a cyclic compression and expansion of air or other gas (the working fluid) at different temperatures, such that there is a net conversion of heat energy to mechanical work. More specifically, the Stirling engine is a closed-cycle regenerative heat engine with a permanently gaseous working fluid. Closed-cycle, in this context, means a thermodynamic system in which the working fluid is permanently contained within the system, and regenerative describes the use of a specific type of internal heat exchanger and thermal store, known as the regenerator. Strictly speaking, the inclusion of the regenerator is what differentiates a Stirling engine from other closed cycle hot air engines.Originally conceived in 1816 as an industrial prime mover to rival the steam engine, its practical use was largely confined to low-power domestic applications for over a century.