Study on Enthalpy Efficiency of Wet Heat Exchanger
Study on Enthalpy Efficiency of Wet Heat Exchanger
- Author(s): Zheng Wenyuan and Zhan Hongbo
- DOI: 10.1049/cp.2018.0196
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- Author(s): Zheng Wenyuan and Zhan Hongbo Source: CSAA/IET International Conference on Aircraft Utility Systems (AUS 2018), 2018 page (5 pp.)
- Conference: CSAA/IET International Conference on Aircraft Utility Systems (AUS 2018)
- DOI: 10.1049/cp.2018.0196
- ISBN: 978-1-78561-791-1
- Location: Guiyang, China
- Conference date: 19-22 June 2018
- Format: PDF
The paper puts forward the concept of maximum available enthalpy of heat exchanger. The maximum heat exchange capacity of heat exchanger depends on the smaller one of the maximum available enthalpy values of the cold and hot fluids. Based on the concept, the expression of enthalpy efficiency of heat exchanger and the method of calculating the enthalpy efficiency of heat exchanger without phase change and wet heat exchanger are defined. Experimental results show that there are no obvious difference between temperature difference parameter and enthalpy efficiency under the condition of low moisture content and enthalpy efficiency can reflect the heat transfer performance of wet heat exchanger more visually and faithfully.
Inspec keywords: heat exchangers; enthalpy; heat transfer; wetting
Subjects: Fluid mechanics and aerodynamics (mechanical engineering); Applied fluid mechanics; Convection and heat transfer; Heat and thermodynamic processes (mechanical engineering)
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