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Thermodynamic analysis of a thermoacoustic travelling wave engine
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Title: Thermodynamic analysis of a thermoacoustic travelling wave engine

Creator:

Ruziewicz, Adam ; Kruse, Alexander ; Gnutek, Zbigniew

Date:

2018

Type:

artykuł w czasopiśmie

Description:

Thermoacoustics has become a promising technology to use heat from low temperature sources to drive engines. This study proposes a single-stage thermoacoustic travelling-wave engine for waste-heat recovery at 150°C. All the construction details of such a system are provided. A recently developed configuration of a looped tube with an impedance matching side-branch stub is proposed. A numerical model of the engine is built in DeltaEC software to conduct the simulations. Furthermore, a detailed thermodynamic analysis of the engine is presented, including an energy balance, a description of the basic acoustic parameters in a steady state, as well as a study of a variable load influence on the performance of the engine. The Authors pointed out the necessity of the engine optimization and a proper choice of load related acoustic impedance, which would consider a trade-off between high power and high efficiency. Eventually, a possibility of achieving 40% exergy efficiency of the proposed engine is confirmed.

Place of publishing:

Koszalin

Publisher:

Publishing House of the Koszalin University of Technology

Format:

application/pdf

Identifier:

oai:dlibra.tu.koszalin.pl:1568

Language:

eng

Is part of:

Journal of Mechanical and Energy Engineering. Vol.2 (42), nr 1, s. 67-74

Rights:

Biblioteka Politechniki Koszalińskiej

Access rights:

internet

License:

Creative Commons BY 4.0

Exlibris

Subject and keywords:

thermoacoustic engine waste energy energy conversion Stirling cycle

Object collections:

Last modified:

Nov 6, 2023

In our library since:

Jul 6, 2022

Number of object content hits:

29

All available object's versions:

https://dlibra.tu.koszalin.pl/publication/1572

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Edition name Date
Ruziewicz, Adam, 2018, Thermodynamic analysis of a thermoacoustic travelling wave engine Nov 6, 2023

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dlibra@tu.koszalin.pl

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