Use waste heat to create cooling effect

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    Cooling Heat
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Discussion Overview

The discussion revolves around the concept of using waste heat to produce a cooling effect, specifically exploring methods and technologies that can achieve this. The scope includes historical and modern refrigeration technologies, as well as safety considerations related to their use.

Discussion Character

  • Exploratory, Technical explanation, Historical, Debate/contested

Main Points Raised

  • One participant suggests the use of gas refrigerators, specifically the Electrolux refrigerator, which operates without mechanical input and relies on a high-temperature source.
  • Another participant mentions kerosene-burning refrigerators as a historical method for cooling in homes without electricity, noting their modern equivalents using camping gas.
  • Concerns are raised about the safety of combustion-based refrigerators, highlighting risks such as house fires and carbon monoxide poisoning associated with poorly maintained units.

Areas of Agreement / Disagreement

Participants present multiple competing views on the effectiveness and safety of different refrigeration methods, indicating that the discussion remains unresolved regarding the best approach to using waste heat for cooling.

Contextual Notes

Limitations include the lack of specific conditions under which the proposed methods would operate effectively, as well as uncertainties about the required temperatures for different technologies.

engineer46
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input heat, output cooled air

Homework Statement


As the title says, I am looking to produce cool air with heat.

Homework Equations





The Attempt at a Solution

 
Last edited:
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Your only hope is the gas refrigerator, called the Electrolux refrigerator. It was invented by two Swedes while they were still undergraduates! This refrigerator does not use mechanical input to operate, just a high-temperature source. If 650F is high enough I have no idea.
 
If there is one big attraction of electric fridges it's that they kill far fewer people than do the combustion fridges. Kero and gas fridges can cause house fires, and they can also kill people by carbon monoxide poisoning when poorly maintained operation occurs in a confined space (house, caravan, etc.)
 

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