Exergy efficiency of a ventilation heat recovery exchanger at a variable reference temperature

Martinaitis, Vytautas; Bielskus, Juozas; Januševičius, Karolis; Bareika, Paulius

doi:10.5755/j01.mech.23.1.17678

Cited by 4 publications

(1 citation statement)

References 12 publications

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“…However, all the energy efficiency evaluation indexes of heat exchanger established in this paper are qualitative indicators, and the evaluation results are subjective. This method is only used to evaluate the energy efficiency of heat exchanger, lacking guidance for energy-saving design and manufacture of heat exchangers; Vytautas Martinaitis et al [5] developed the application of energy analysis for assessing the performance of building mechanical systems. Using the derivative status parameter from enthalpy and entropy, the methodology for calculating the energy efficiency for HVAC equipment is proposed.…”

Section: Introductionmentioning

confidence: 99%

Energy Efficiency Evaluation of Industrial Heat Exchangers Based on Fuzzy Matter Element Method

Wei

2020

mech

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According to the energy consumption status of industrial heat exchanger in the whole life cycle, the energy efficiency evaluation index system of industrial heat exchanger is put forward firstly. Secondly, aiming at the complexity and fuzziness of energy consumption of industrial heat exchanger, the energy efficiency evaluation model of industrial heat exchanger based on fuzzy matter-element method is established by using fuzzy matter-element theory and combining the concept of Hemingway schedule. Finally, taking the shell-and-tube heat exchanger as an example, five shell-and-tube heat exchangers with different designs and materials were selected to analyze their energy consumption advantages and disadvantages. Via calculation and analysis, the optimal energy efficiency design of the shell-and-tube heat exchanger was obtained. At the same time, reference opinions were provided for the design and manufacture of the shell-and-tube heat exchanger.

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Section: Introductionmentioning

confidence: 99%