Generate Microwaves Using Heat: Does it Exist?

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Discussion Overview

The discussion revolves around the feasibility of generating microwaves using heat as a power source, specifically exploring the potential mechanisms and devices that could achieve this. The scope includes theoretical considerations and practical applications.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant inquires about the existence of a device that generates microwaves from heat sources like hot air.
  • Another participant suggests using steam to generate electricity, which could then be used in a microwave generator circuit, although they are unaware of any existing devices that do this.
  • A participant expresses skepticism about the efficiency of generating microwaves from heat, noting that hot bodies primarily radiate in the infrared range, with only a small fraction of emitted power in the microwave range.
  • Another participant reiterates the idea that while heat can be converted to steam and then to electricity, the overall process may not be efficient for microwave generation.

Areas of Agreement / Disagreement

Participants express differing views on the efficiency and practicality of generating microwaves from heat, with no consensus reached on the existence of such a device or its effectiveness.

Contextual Notes

Limitations include assumptions about efficiency and the specific mechanisms of energy conversion, as well as the dependence on definitions of "heat" and "microwave generation."

sid_galt
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Does a device exist which can generate microwaves using heat (e.g. hot air) as a power source?
 
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You could use steam (and a generator) to make a current, which, when fed into a microwave generator circuit will give you an output at the desired frequency.

Don't know of an existing device though.
 
Last edited:
Thank you for the help
 
Hot bodies tend to radiate energy in the infrared range unfortunately :(
 
mezarashi said:
Hot bodies tend to radiate energy in the infrared range unfortunately :(
Some teeny fraction of the emitted power will be in the microwave range, but if you depended on that you'd have lousy efficiency.
 
Heat + Water = Steam
Steam + Turbine = Electricity
Electricty + Magnetron = Microwave

Heat => Microwave

:smile:
 

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