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Questions relating to the various laws of thermodynamics, transformation or movement of a form of energy to another form, primarily but not limited to heating or cooling of a fluid.

6 votes
2 answers
2k views

Are electronic cigarette "atomizers" just evaporating the fluid?

Electronic cigarette elements that heat the fluid are usually termed "atomizers." They are usually just some nichrome wire or similar wrapped around a wick that becomes saturated with the nicotine flu …
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1 vote

Heat Transfer, with energy generation

Using This tutorial, I calculate the following: Assume surface temperature of 150°C. Use water temperature of 30°C, and convection coefficient of 100W/m^2K. Surface area = 2 x PI x 2x10^-3 x 0. …
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3 votes

What is the Best Heat Resistant Translucent Material?

Infra-red will be the problem. It's going to be a trade-off between weight, light transmission, cost, thermal conductivity. Your best bet will be looking for so called filter "gels" as termed in t …
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1 vote

How does pressure energy convert to thermal in incompressible flow?

You need to differentiate between average velocity and average speed of molecules. If the liquid is not moving, then average velocity will be zero, but average speed will not be.
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