Thermal Performance of Selected Oils in Uganda for Indirect Solar Domestic Cooking Applications

Authors

  • Benard Tabu Department of Physics, Gulu University, P. O. Box 166, Gulu, Uganda
  • Karidewa Nyeinga Department of Physics, Makerere University, P. O. Box 7062, Kampala, Uganda
  • Jimmy Chaciga Department of Physics, Makerere University, P. O. Box 7062, Kampala, Uganda
  • Denis Okello Department of Physics, Makerere University, P. O. Box 7062, Kampala, Uganda

Keywords:

Thermosiphon, thermal stratification, energy, exergy, oil

Abstract

This study experimentally evaluated the thermal performance of selected oils in Uganda for indirect solar domestic cooking applications. The oil samples used were refined sunflower oil, refined palm oil and thermia B. These oils are locally available in Uganda. Thermal stratification, energy and exergy analysis were performed for each oil to determine their suitability for Thermal Energy Storage (TES) using a thermosiphon principle. The results showed that thermal stratification of refined sunflower oil was higher as compared to refined palm oil and thermia B during the first one hour. The stored energy and exergy for refined sunflower oil was generally higher than that of refined palm oil and thermia B. The thermal performance of refined sunflower oil was comparable to that of refined palm oil which was better than that of thermia B.

Keywords: Thermosiphon, thermal stratification, energy, exergy, oil

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Published

2018-12-31

Issue

Vol. 44 No. 4 (2018)

Section

Articles

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