Impact of a vertical geothermal heat exchanger on the solar fraction of a solar cooling system

被引：11

作者：

Acuna, A. ^{[1
]}

Lara, F. ^{[2
]}

Rosales, P. ^{[1
]}

Suastegui, J. ^{[1
]}

Velazquez, N. ^{[3
]}

Ruelas, A. ^{[1
]}

机构：

[1] Univ Autonoma Baja California, Fac Ingn, Blvd Benito Juarez S-N, Mexicali 21280, Baja California, Mexico

[2] Univ Politecn Baja California, Calle Claridad S-N, Mexicali 21376, Baja California, Mexico

[3] Univ Autonoma Baja California, Inst Ingn, Blvd Benito Juarez S-N, Mexicali 21280, Baja California, Mexico

来源：

INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID | 2017年 / 76卷

关键词：

Solar cooling; Geothermal heat exchanger; Solar fraction; COP; ENVIRONMENTAL ASSESSMENT; REFRIGERATION; BUILDINGS; PV;

D O I：

10.1016/j.ijrefrig.2017.02.007

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This paper presents the influence on the solar fraction of coupling a Solar Cooling System (SCS) with a Geothermal Heat Exchanger (GHX). The SCS analysis was made using a mathematical model and was supported by experimental data of a vertical GHX. First, the cooling capacity of the SCS was calculated, considering the cooling load required for a building of 420 m(3). The results show that a 12.30 kW cooling capacity SCS would be necessary to satisfy the maximum cooling load requirement during the summer. A 1 kW PV array was considered to assist the SCS. With the constructed GHX a soil temperature model was validated to estimate the temperature of the output water at different GHX depths. The solar fraction meets between 10 and 23% of the energy demand when the condenser is air cooled. However, when a GHX of 1, 2, 4 and 10 m is implemented the solar fraction increases. (C) 2017 Elsevier Ltd and IIR. All rights reserved.

引用

页码：63 / 72

页数：10

共 23 条

[1]

[Anonymous], 1982, Introduction to Soil Physical

[2] Solar refrigeration and cooling [J].