Optimization of Solar Water Heating System in High-rise Residential Buildings

被引：0
作者：
Zhou Z. [1 ]
Zhou H. [1 ]
Lu J. [2 ]
机构：
[1] Faculty of Civil Engineering and Mechanics, Kunming University of Science and Technology, Yunnan, Kunming
[2] Graduate School of Business, SEGi University, Petaling Jaya
来源：
Journal of Engineering Science and Technology Review | 2022年 / 15卷 / 04期
关键词：
Economical efficiency; Linear programming; Optimization; Solar energy;
D O I：
10.25103/jestr.154.10
中图分类号：
学科分类号：
摘要：
The limited roof area of high-rise residential buildings restricts the effective use of solar water heating systems (SWHS). Auxiliary heat sources and household water heaters have become an inevitable choice to ensure domestic hot water supply. To determine the heating quantity of auxiliary heat sources and the number of household water heaters, this study proposed an optimization model with minimum total cost as objective function. TRNSYS was used to establish the simulation model of a SWHS, which was verified by the measured data. Based on the calculated heat demand and simulated heat supply of the SWHS, a linear programming model was established with minimum total cost (including depreciation, maintenance, and energy costs) as the objective function. In this way, the number of household water heaters was determined. Results demonstrate that the combination of the SWHS and heat pump water heater is the optimal application of SWHS in high-rise residential buildings. The heat pump water heater is installed in low floors, and the hot water is supplied by the SWHS in middle and high floors to achieve the lowest total cost and high solar energy use rate. This study can provide a significant reference for developing a domestic hot water supply scheme in high-rise residential buildings. © 2022 School of Science, IHU. All rights reserved.
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页码：67 / 72
页数：5
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