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Numerical studies of thermal comfort for semi-transparent building integrated photovoltaic (BIPV)-vacuum glazing system

Ghosh, Aritra; Sarmah, Nabin; Sundaram, Senthilarasu; Mallick, Tapas K.


Aritra Ghosh

Nabin Sarmah

Tapas K. Mallick


Building integrated photovoltaic (BIPV)-vacuum system is promising for advanced window application due to its ability to reduce heat transfer, control over admitted solar heat and generates environmentally benign electricity. In this work, numerically thermal comfort for an unfurnished room comprising of BIPV-vacuum glazing was evaluated for the United Kingdom (UK) climate. Required parameters to determine thermal comfort, one-dimensional heat transfer model was developed and validated for BIPV-vacuum glazing and results were compared with BIPV-double-pane glazing system. PV cell temperature difference between these two different types of glazing was 24 °C. For the UK climate, BIPV-vacuum glazing offered 26% higher room temperature at clear sunny day compared to BIPV-double system. BIPV–vacuum glazing system provided soothing or comfortable thermal comfort during mid-day period for a clear sunny day at temperate climate. In a combined BIPV-vacuum glazing, it was also predicted that vacuum glass facing external ambient is suitable for the UK climate whilst vacuum glass facing internal room ambient is applicable for Indian climate.

Journal Article Type Article
Acceptance Date Aug 17, 2019
Online Publication Date Aug 28, 2019
Publication Date Sep 15, 2019
Deposit Date Mar 13, 2023
Publicly Available Date Mar 16, 2023
Print ISSN 0038-092X
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 190
Pages 608-616
Keywords BIPV, Glazing, Vacuum, Thermal comfort, PVM, Temperate


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