Solar Cooking Archive Discussion Forums

Back to first principles.

What's the workings of a pressure cooker?

Pressure to raise the temperature of boiling water above the atmospheric pressure where the pressure cooker is deployed.
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Solar Cookers can be broadly classified into two categories:

1. Concentrator (e.g. paraboloid, fresnel, scheffler,)
2. Accumulative (e.g. box, SK-TF)

and hybrids of combinations from the two.
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Conduction, Convection and Radiation, three ways of thermo-dynamics transfers. The block of wood vis-�-vis cardboard block may surprise most people that actually air and vacuum are better thermal insu ...