Joint use of quasi-3D response model and spectral method to simulate borehole heat exchanger

被引:63
作者
Pasquier, Philippe [1 ]
Marcotte, Denis [1 ]
机构
[1] Polytech Montreal, Dept Civil Geol & Min Engn, Montreal, PQ H3C 3A7, Canada
基金
加拿大自然科学与工程研究理事会;
关键词
Short-time simulation; Spectral method; Quasi-3D TRCM; Thermal response test; Ground coupled heat pump system; Ground or borehole heat exchanger; THERMAL-CONDUCTIVITY; PARAMETER-ESTIMATION; RESISTANCE; DESIGN; TESTS;
D O I
10.1016/j.geothermics.2014.02.001
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
A quasi-3D model is used as a response model to generate normalized transfer functions of a borehole heat exchanger model. A solution is achieved by convolving in the spectral domain the transfer function of a given node with an input function describing the temperature change of the fluid over time. To demonstrate the accuracy and validity of the method, three comparison scenarios are studied. These scenarios compare the temperatures of a reference numerical model, the temperatures measured in the scope of a laboratory experiment, and during a field thermal response test. It is shown that the combined use of a spectral method and response model provides, in a few seconds, a temperature solution whose error is below or comparable to the measurement's uncertainty. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码:281 / 299
页数:19
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