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用于空间供暖的热电辐射板性能的数值与实验研究。

Numerical and Experimental Study on the Performance of Thermoelectric Radiant Panel for Space Heating.

作者信息

Lim Hansol, Jeong Jae-Weon

机构信息

Department of Architectural Engineering, College of Engineering, Hanyang University, 222 Wangsimni-Ro, Seongdong-Gu, Seoul 04769, Korea.

出版信息

Materials (Basel). 2020 Jan 23;13(3):550. doi: 10.3390/ma13030550.

DOI:10.3390/ma13030550
PMID:31979288
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7040814/
Abstract

The purpose of this study is to investigate the suitable operation and performance of a thermoelectric radiant panel (TERP) in the heating operation. First, the hypothesis was suggested that the heating operation of TERP can operate without a heat source at the cold side according to theoretical considerations. To prove this hypothesis, the thermal behavior of the TERP was investigated during the heating operation using a numerical simulation based on the finite difference method. The results indicated that it is possible to heat the radiant panel using a thermoelectric module without fan operation via the Joule effect. A mockup model of the TERP was constructed, and the numerical model and hypothesis were validated in experiment 1. Moreover, experiment 2 was performed to evaluate the necessity of fan operation in the heating operation of TERP regarding energy consumption. The results revealed that the TERP without fan operation showed the higher coefficient of performance (COP) in the heating season. After determining the suitable heating operation of the TERP, prediction models for the heating capacity and power consumption of the TERP were developed using the response surface methodology. Both models exhibited good R values of >0.94 and were validated within 10% error bounds in experimental cases. These prediction models are expected to be utilized in whole-building simulation programs for estimating the energy consumption of TERPs in the heating mode.

摘要

本研究的目的是调查热电辐射板（TERP）在制热运行中的合适运行方式及性能。首先，根据理论考量提出假设，即TERP的制热运行可以在冷侧无热源的情况下进行。为了验证这一假设，在制热运行期间，基于有限差分法，通过数值模拟研究了TERP的热行为。结果表明，通过焦耳效应，利用热电模块在无风扇运行的情况下加热辐射板是可行的。构建了TERP的实物模型，并在实验1中对数值模型和假设进行了验证。此外，进行了实验2，以评估TERP制热运行中风扇运行对于能耗的必要性。结果显示，无风扇运行的TERP在供暖季表现出更高的性能系数（COP）。在确定了TERP合适的制热运行方式后，采用响应面法建立了TERP制热量和功耗的预测模型。两个模型的R值均大于0.94，且在实验案例中的验证误差范围在10%以内。预计这些预测模型将用于整栋建筑模拟程序，以估算TERP在制热模式下的能耗。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2d1c/7040814/a3c5c915f052/materials-13-00550-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2d1c/7040814/97c6832262b6/materials-13-00550-g001.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2d1c/7040814/934b5a4408e6/materials-13-00550-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2d1c/7040814/7f021a31bdb6/materials-13-00550-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2d1c/7040814/a3c5c915f052/materials-13-00550-g010.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2d1c/7040814/e4311a7f1180/materials-13-00550-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2d1c/7040814/934b5a4408e6/materials-13-00550-g008.jpg
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