Thermal Tests of the 'Solar Oven revision 2'
This report describes the thermal test of the solar oven revision 2 - built in August 2024. The aim is – based on the thermal measurements at the oven – to find out – for a given irradiation - how much the solar oven can rise its temperature T above the temperature of the ambient TAmb. - and how fast it can do it.
Series: Practical Answers
Published: 2025
Pages: 17
eBook: 9781835768921
| 1. Introduction. | |||
|---|---|---|---|
| 2. The thermal parameters of a solar oven by rising and by falling temperatures. | |||
| 2.1. The thermal capacitance | |||
| 2.2. The transient temperature response. | |||
| 2.3. The temperature as a function of the time for a rising temperature. | |||
| 2.4. The temperature as a function of the time for a falling temperature. | |||
| 3. The thermal time constant. | |||
| 4. The testset up. | |||
| 5. Test of the plain solar oven - without any aluminium foil or other insulation. | |||
| 5.1. Rising temperature. | |||
| 5.2. Falling temperature. | |||
| 6. Using the solar oven as a hey box. | |||
| 6.1. Rising temperature with aluminium foil on top of the window. | |||
| 6.2. Falling temperature with aluminium foil on top of the window. | |||
| 7.1. Rising temperature with both aluminium foil and a blanket on top of the window. | |||
| 7.2. Falling temperature with both aluminium foil and a blanket on top of the window. | |||
| 8. Test results and Conclusion. |
Steen Carlsen
Steen Carlsen is an electronics engineer, and founder of Carlsen Power Electronics.
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