A nonlinear non-dimensional dynamic model for free piston thermal-lag stirling engine

Hang Suin Yang, Chin-Hsiang Cheng

Research output: Contribution to journalConference article

4 Citations (Scopus)

Abstract

This study is aimed to develop a theoretical model to determine criterion of instability and predict performance of a free-piston thermal-lag Stirling engine (FPTLSE). Experiments are conducted to verify the theoretical predictions partly. In the present study, a nonlinear model consisting of non-dimensional equation of motion and energy equation are derived. These governing equations are solved simultaneously by employing a multi-scale method, in which zeroorder approximate solutions representing piston motion and temperature variation are obtained. Results show that the FPTLSE can be a self-started engine that may be able to start automatically after heating. In addition, the predictions by the theoretical model are found to agree closely with the experimental data for the oscillation of the piston. The present model is capable of predicting the dynamic behavior of the engine.

Original languageEnglish
Pages (from-to)2662-2665
Number of pages4
JournalEnergy Procedia
Volume61
DOIs
Publication statusPublished - 2014 Jan 1
Event6th International Conference on Applied Energy, ICAE 2014 - Taipei, Taiwan
Duration: 2014 May 302014 Jun 2

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Stirling engines
Pistons
Dynamic models
Engines
Equations of motion
Heating
Hot Temperature
Experiments
Temperature

All Science Journal Classification (ASJC) codes

  • Energy(all)

Cite this

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abstract = "This study is aimed to develop a theoretical model to determine criterion of instability and predict performance of a free-piston thermal-lag Stirling engine (FPTLSE). Experiments are conducted to verify the theoretical predictions partly. In the present study, a nonlinear model consisting of non-dimensional equation of motion and energy equation are derived. These governing equations are solved simultaneously by employing a multi-scale method, in which zeroorder approximate solutions representing piston motion and temperature variation are obtained. Results show that the FPTLSE can be a self-started engine that may be able to start automatically after heating. In addition, the predictions by the theoretical model are found to agree closely with the experimental data for the oscillation of the piston. The present model is capable of predicting the dynamic behavior of the engine.",
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A nonlinear non-dimensional dynamic model for free piston thermal-lag stirling engine. / Yang, Hang Suin; Cheng, Chin-Hsiang.

In: Energy Procedia, Vol. 61, 01.01.2014, p. 2662-2665.

Research output: Contribution to journalConference article

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AU - Cheng, Chin-Hsiang

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AB - This study is aimed to develop a theoretical model to determine criterion of instability and predict performance of a free-piston thermal-lag Stirling engine (FPTLSE). Experiments are conducted to verify the theoretical predictions partly. In the present study, a nonlinear model consisting of non-dimensional equation of motion and energy equation are derived. These governing equations are solved simultaneously by employing a multi-scale method, in which zeroorder approximate solutions representing piston motion and temperature variation are obtained. Results show that the FPTLSE can be a self-started engine that may be able to start automatically after heating. In addition, the predictions by the theoretical model are found to agree closely with the experimental data for the oscillation of the piston. The present model is capable of predicting the dynamic behavior of the engine.

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