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|dc.title||Estimation of collector performance parameters from daily system tests|
|dc.identifier.citation||Wijeysundera, N.E.,Hawlader, M.N.A.,Foong, K.Y. (1996-02). Estimation of collector performance parameters from daily system tests. Journal of Solar Energy Engineering, Transactions of the ASME 118 (1) : 30-36. ScholarBank@NUS Repository.|
|dc.description.abstract||A test procedure to estimate the daily mean values of the linear collector characteristics, FR(τα) and FRUL, from the measured variation of the storage tank temperature was investigated. The Levenberg-Marquardt algorithm was used for parameter estimation. Two flat-plate collectors were tested over a period of 11 days each to study the feasibility of the test procedure. The tests were conducted under variable weather conditions and inlet water temperatures. The standard deviation for the daily mean values of FR(τα) and FRUL were about 2.8 percent and 4 percent, respectively. The differences between the daily mean values obtained by the proposed method and the steady-state test values for FR(τα) were about 4 percent to 7 percent, while for FRUL the differences were 9 percent to 13 percent.|
|dc.contributor.department||MECHANICAL & PRODUCTION ENGINEERING|
|dc.description.sourcetitle||Journal of Solar Energy Engineering, Transactions of the ASME|
|Appears in Collections:||Staff Publications|
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