An experimental study on top heat loss coefficient of a box-type solar cooker
2020
Singh, Alok | Kandpal, T. C. | Mullick, S. C.
Top heat loss coefficient (Uₜ) is required for thermal performance evaluation of a box-type solar cooker. In the present work, the values of Uₜ were obtained from outdoor experiments undertaken to determine the First Figue of Merit (F₁) Uₜ was found to vary from summer to winter. A comparison of values Uₜ obtained from the experiments with the values obtained from analytical equation showed the same trend. The effect of use of measured value of outer glass cover temperatre (T₂)., or estimated value of T₂, on Uₜ computed by analytical equation was also studied. The measurement of T₂ was found to be not essential for obtaining Uₜ by this equation. As obtaining T₂ by experiments also involves uncertainties, one might prefer to use existing correlations for T₂.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
المعلومات البيبليوغرافية
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