Please use this identifier to cite or link to this item: https://doi.org/10.1243/0954408001530182
Title: Outdoor testing of evacuated-tube heat-pipe solar collectors
Authors: Ng, K.C. 
Yap, C. 
Khor, T.H.
Keywords: Efficiency prediction
Evacuated-tube collectors
Heat-pipe collectors
Steady state method
Issue Date: 2000
Source: Ng, K.C., Yap, C., Khor, T.H. (2000). Outdoor testing of evacuated-tube heat-pipe solar collectors. Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering 214 (1) : 23-30. ScholarBank@NUS Repository. https://doi.org/10.1243/0954408001530182
Abstract: The paper presents the steady state performance of two types of commercially available evacuated-tube heat-pipe solar collector that were tested under the meteorological conditions of Singapore. The tests were made in arrays of collectors in contrast with the normal tests performed under controlled laboratory conditions. A theoritical model is also presented to predict the collector efficiency as well as the collectable energy during a steady state test. Within the range of expected coolant temperatures, the efficiency and the heat loss coefficient of collectors are measured and a linear expression can adequately depict their characteristics.
Source Title: Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering
URI: http://scholarbank.nus.edu.sg/handle/10635/58598
ISSN: 09544089
DOI: 10.1243/0954408001530182
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