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2021•IOP Conference Series Earth and Environmental ScienceOpen access

The transfer law of exergy in the lines (pipes) and exergy loss analysis

Pingping Xie, Tian Mao, Peizheng Xuan, Siyu Lu

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Abstract

Abstract In order to explore the transfer law of exergy in the lines (pipes), based on the generalized expression equation of exergy and the generalized exergy transfers and conversion equation, the transfer law of exergy in the lines (pipes) is derived, and then the exergy loss of three typical energies are analyzed based on the exergy loss model, which are electric exergy loss, pressure exergy loss and heat exergy loss. This paper reveals the change mechanism of exergy transfer process, which can provide more comprehensive guidance for energy saving.

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Abstract In order to explore the transfer law of exergy in the lines (pipes), based on the generalized expression equation of exergy and the generalized exergy transfers and conversion equation, the transfer law of exergy in the lines (pipes) is derived, and then the exergy loss of three typical energies are analyzed based on the exergy loss model, which are electric exergy loss, pressure exergy loss and heat exergy loss. This paper reveals the change mechanism of exergy transfer process, which can provide more comprehensive guidance for energy saving.

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Available abstract

Abstract In order to explore the transfer law of exergy in the lines (pipes), based on the generalized expression equation of exergy and the generalized exergy transfers and conversion equation, the transfer law of exergy in the lines (pipes) is derived, and then the exergy loss of three typical energies are analyzed based on the exergy loss model, which are electric exergy loss, pressure exergy loss and heat exergy loss. This paper reveals the change mechanism of exergy transfer process, which can provide more comprehensive guidance for energy saving.

Key concepts: Exergy, Exergy efficiency, Heat transfer, Thermodynamics, Environmental science, Process engineering, Engineering, Physics

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