A comparative study on the application of solar thermal collector and photovoltaic combinations to assist an air source heat pump

IF 3 3区 工程技术 Q2 CHEMISTRY, ANALYTICAL
Riza Buyukzeren, Ali Kahraman
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Abstract

This study investigates the usage of photovoltaic (PV) and thermal collectors separately to assist a heat pump for supplying domestic hot water (DHW). Usage of PV and thermal collectors together to assist a heat pump and experimentally validated simulation of an air source heat pump can be considered as novelty of this study. Firstly, experimental tests were performed in a climatic room to validate the developed simulation model. Four experimental parameters, namely the coefficient of performance of the air source heat pump, average tank temperature, and heat pump inlet and outlet temperatures have been used for the validation and the highest obtained deviation was 4.5%. Simulations were carried out by adding thermal collectors and photovoltaic panels in different combinations, with a maximum of three collectors to assist the heat pump that provides DHW. For scenarios with one and two solar components (PV or thermal), applying only thermal collectors was more efficient and economical for both with a payback of 3.9 years and 4.3 years, respectively. For the scenario with three solar components, although the system supported by one thermal and two photovoltaic collectors was the most efficient option, the system supported by three photovoltaic collectors was the most economical scenario with a payback period of 4.6 years. The study found that combining thermal and photovoltaic collectors can significantly reduce energy consumption for DHW.

Abstract Image

关于应用太阳能集热器和光电组合辅助空气源热泵的比较研究
本研究调查了分别使用光伏(PV)和热收集器辅助热泵供应生活热水(DHW)的情况。同时使用光伏和集热器来辅助热泵,并对空气源热泵进行实验验证模拟,可以说是本研究的新颖之处。首先,在气候室中进行了实验测试,以验证所开发的模拟模型。验证使用了四个实验参数,即空气源热泵性能系数、水箱平均温度、热泵入口和出口温度,获得的最大偏差为 4.5%。通过添加不同组合的集热器和光电板进行了模拟,最多有三个集热器辅助热泵提供热水。在有一个和两个太阳能组件(光伏或热能)的情况下,仅使用热能集热器更有效、更经济,投资回收期分别为 3.9 年和 4.3 年。在有三个太阳能组件的方案中,虽然一个热能和两个光伏集热器支持的系统是最高效的方案,但三个光伏集热器支持的系统是最经济的方案,投资回收期为 4.6 年。研究发现,将热能和光伏集热器结合使用可显著降低热水能耗。
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
CiteScore
8.50
自引率
9.10%
发文量
577
审稿时长
3.8 months
期刊介绍: Journal of Thermal Analysis and Calorimetry is a fully peer reviewed journal publishing high quality papers covering all aspects of thermal analysis, calorimetry, and experimental thermodynamics. The journal publishes regular and special issues in twelve issues every year. The following types of papers are published: Original Research Papers, Short Communications, Reviews, Modern Instruments, Events and Book reviews. The subjects covered are: thermogravimetry, derivative thermogravimetry, differential thermal analysis, thermodilatometry, differential scanning calorimetry of all types, non-scanning calorimetry of all types, thermometry, evolved gas analysis, thermomechanical analysis, emanation thermal analysis, thermal conductivity, multiple techniques, and miscellaneous thermal methods (including the combination of the thermal method with various instrumental techniques), theory and instrumentation for thermal analysis and calorimetry.
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