Numerical simulation and analysis of Stirling engines for cold energy and waste heat recoveries

Stirling engine is a very special heat engine that has a promising future in automotive industries. Stirling engine is noted for its high thermal efficiency, low-noise working condition and unlimited utility of any kind of heat source. Compared with popular used modern internal combustion engine, St...

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Main Author: Xie, Linji
Other Authors: School of Mechanical and Aerospace Engineering
Format: Final Year Project
Language:English
Published: 2016
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Online Access:http://hdl.handle.net/10356/67732
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-677322023-03-04T19:14:08Z Numerical simulation and analysis of Stirling engines for cold energy and waste heat recoveries Xie, Linji School of Mechanical and Aerospace Engineering Fei Duan DRNTU::Engineering Stirling engine is a very special heat engine that has a promising future in automotive industries. Stirling engine is noted for its high thermal efficiency, low-noise working condition and unlimited utility of any kind of heat source. Compared with popular used modern internal combustion engine, Stirling engine has extraordinary features and functions. The application range from mechanical propulsion plant to cooling and heating electrical generation system, such as automotive engine, aircraft engine, marine engine, solar power regeneration plant, etc. Therefore, analysing the working characteristics and predicting the performance of the Stirling engines are important for future designs. This project aims to introduce several types and configurations of Stirling engine, simulate and analyse Stirling engine’s performance from an ideal case to a case that is close to the practical engine operation. The analysis approaches include Schmidt analysis, Isothermal analysis, Ideal Adiabatic analysis, Simple analysis and Simple analysis combined with different losses. The progress was starting from theoretical analysis to practical analysis by using MatLab program code. And the numerical model was improved step by step by considering many practical losses. The developed model was then validated on an experimental Stirling engine based on references. As the result, the best developed model in comparison with original Simple model had effectively improved the error from 32.4% to 16.9%. Furthermore, parametric analysis of the Stirling engine model, such as cyclic temperature variations and heat transferred to each unit, was conducted numerically with the developed Stirling engine model. Performance of this engine was also predicted by using Liquefied Natural Gas (LNG) as cold source based on the developed model. Bachelor of Engineering (Mechanical Engineering) 2016-05-19T08:20:26Z 2016-05-19T08:20:26Z 2016 Final Year Project (FYP) http://hdl.handle.net/10356/67732 en Nanyang Technological University 77 p. application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic DRNTU::Engineering
spellingShingle DRNTU::Engineering
Xie, Linji
Numerical simulation and analysis of Stirling engines for cold energy and waste heat recoveries
description Stirling engine is a very special heat engine that has a promising future in automotive industries. Stirling engine is noted for its high thermal efficiency, low-noise working condition and unlimited utility of any kind of heat source. Compared with popular used modern internal combustion engine, Stirling engine has extraordinary features and functions. The application range from mechanical propulsion plant to cooling and heating electrical generation system, such as automotive engine, aircraft engine, marine engine, solar power regeneration plant, etc. Therefore, analysing the working characteristics and predicting the performance of the Stirling engines are important for future designs. This project aims to introduce several types and configurations of Stirling engine, simulate and analyse Stirling engine’s performance from an ideal case to a case that is close to the practical engine operation. The analysis approaches include Schmidt analysis, Isothermal analysis, Ideal Adiabatic analysis, Simple analysis and Simple analysis combined with different losses. The progress was starting from theoretical analysis to practical analysis by using MatLab program code. And the numerical model was improved step by step by considering many practical losses. The developed model was then validated on an experimental Stirling engine based on references. As the result, the best developed model in comparison with original Simple model had effectively improved the error from 32.4% to 16.9%. Furthermore, parametric analysis of the Stirling engine model, such as cyclic temperature variations and heat transferred to each unit, was conducted numerically with the developed Stirling engine model. Performance of this engine was also predicted by using Liquefied Natural Gas (LNG) as cold source based on the developed model.
author2 School of Mechanical and Aerospace Engineering
author_facet School of Mechanical and Aerospace Engineering
Xie, Linji
format Final Year Project
author Xie, Linji
author_sort Xie, Linji
title Numerical simulation and analysis of Stirling engines for cold energy and waste heat recoveries
title_short Numerical simulation and analysis of Stirling engines for cold energy and waste heat recoveries
title_full Numerical simulation and analysis of Stirling engines for cold energy and waste heat recoveries
title_fullStr Numerical simulation and analysis of Stirling engines for cold energy and waste heat recoveries
title_full_unstemmed Numerical simulation and analysis of Stirling engines for cold energy and waste heat recoveries
title_sort numerical simulation and analysis of stirling engines for cold energy and waste heat recoveries
publishDate 2016
url http://hdl.handle.net/10356/67732
_version_ 1759853998601404416