Thermo-economic evaluation of working fluids for a flue gas driven organic Rankine cycle powered vapor compression cycle for cooling air conditioning using a two-step intermediate performance index

IF 10.9 1区工程技术 Q1 ENERGY & FUELS

Energy Conversion and Management Pub Date : 2025-09-24 DOI:10.1016/j.enconman.2025.120541

Muhammad Talha , Muhammad Tauseef Nasir , Khawaja Fahad Iqbal , Waqas Khalid , Muhammad Safdar , Nawaf Mehmood Malik

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引用次数: 0

Abstract

In this study, the thermo-economic evaluation of flue gases driven organic Rankine cycle (ORC) powered vapor compression chiller (VCC) has been conducted. The multi-objective optimization was conducted by first obtaining the Artificial Neural Network (ANN) to obtain the total exergy destruction

({Ed}_{tot})

and total heat transfer capacity of all the heat exchanger

{(U A}_{tot})

. Afterwards, the optimization by applying the Genetic Algorithm (GA) together with Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS) was carried out. Subsequently, at the optimized point, the operating parameters obtained were used to obtain the ANN regressed equations for the shell and tube type, and flat plate heat exchanger area and pressure drops. The obtained equations were further used to optimize these entities using Genetic Algorithm and the TOPSIS to acquire the total investment costs. This two-step process enables the comprehensive yet computationally manageable multi-objective optimization of the thermal systems of similar nature. From the research conducted, the Decane ORC powered R600a VCC was found to be the feasible candidate with the total exergy destruction and the payback period of 24.50 kW and 7.25 years, respectively.

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用两步中间性能指标评价用于冷却空调的烟气驱动有机朗肯循环蒸汽压缩循环的工质热经济性

本文对烟气驱动有机朗肯循环（ORC）蒸汽压缩制冷机（VCC）进行了热经济评价。首先利用人工神经网络（ANN）进行多目标优化，得到所有换热器的总火用破坏（Edtot）和总换热能力（UAtot）；然后，将遗传算法（GA）与理想解相似偏好排序技术（TOPSIS）相结合进行优化。随后，在优化点，利用得到的运行参数，得到管壳式、平板换热器面积和压降的ANN回归方程。将所得方程进一步应用遗传算法和TOPSIS对这些实体进行优化，得到总投资成本。这两步的过程，使全面的，但计算上可管理的多目标优化的热系统的性质相似。通过研究发现，Decane ORC为R600a VCC供电是可行的备选方案，其总火用破坏和投资回收期分别为24.50 kW和7.25年。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Energy Conversion and Management 工程技术-力学

CiteScore

19.00

自引率

11.50%

发文量

1304

审稿时长

17 days

期刊介绍： The journal Energy Conversion and Management provides a forum for publishing original contributions and comprehensive technical review articles of interdisciplinary and original research on all important energy topics. The topics considered include energy generation, utilization, conversion, storage, transmission, conservation, management and sustainability. These topics typically involve various types of energy such as mechanical, thermal, nuclear, chemical, electromagnetic, magnetic and electric. These energy types cover all known energy resources, including renewable resources (e.g., solar, bio, hydro, wind, geothermal and ocean energy), fossil fuels and nuclear resources.