Chen, Jian-Fei

Gupta, Bhaskar Sen

Lawson, R. Mark

Lim, James B. P.

Paya-Marin, Miguel A.

This paper describes large scale tests conducted on a novel unglazed solar air collector system. The proposed system, referred to as a back-pass solar collector (BPSC), has on-site installation and aesthetic advantages over conventional unglazed transpired solar collectors (UTSC) as it is fully integrated within a standard insulated wall panel. This paper presents the results obtained from monitoring a BPSC wall panel over one year. Measurements of temperature, wind velocity and solar irradiance were taken at multiple air mass flow rates. It is shown that the length of the collector cavities has a direct impact on the efficiency of the system. It is also shown that beyond a height-to-flow ratio of 0.023 m/m3/hr/m2, no additional heat output is obtained by increasing the collector height for the experimental setup in this study, but these numbers would obviously be different if the experimental setup or test environment (e.g. location and climate) change. An equation for predicting the temperature rise of the BPSC is proposed

Paya-Martin, Miguel

Lim, James

Chen, Jian Fei

Lawson, R. M.

Sen Gupta, Bhaskar

Heriot Watt Pure

Large scale test of a novel back-pass non-perforated unglazed solar air collector

This paper describes large scale tests conducted on a novel unglazed solar air collector system. The proposed system, referred to as a back-pass solar collector (BPSC), has on-site installation and aesthetic advantages over conventional unglazed transpired solar collectors (UTSC) as it is fully integrated within a standard insulated wall panel. This paper presents the results obtained from monitoring a BPSC wall panel over one year. Measurements of temperature, wind velocity and solar irradiance were taken at multiple air mass flow rates. It is shown that the length of the collector cavities has a direct impact on the efficiency of the system. It is also shown that beyond a height-to-flow ratio of 0.023m/m&lt;sup&gt;3&lt;/sup&gt;/hr/m&lt;sup&gt;2&lt;/sup&gt;, no additional heat output is obtained by increasing the collector height for the experimental setup in this study, but these numbers would obviously be different if the experimental setup or test environment (e.g. location and climate) change. An equation for predicting the temperature rise of the BPSC is proposed.</p

Queen's University Belfast Research Portal

Miguel A. Paya-Marin

James B.P. Lim

Jian-Fei Chen

R. Mark Lawson

Bhaskar Sen Gupta

Crossref

Renewable Energy

Large scale test of a novel back-pass non-perforated unglazed solar air collector

Large scale test of a novel back-pass non-perforated unglazed solar air collector

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Heriot Watt Pure

Queen's University Belfast Research Portal

Crossref

Heriot Watt Pure