# REFRIGERATION -- PRINCIPLES OF MECHANICAL REFRIGERATION

Department of Defense - SHOWS APPLICATION OF BASIC PHYSICS OF HEAT TRANSFER IN REFRIGERATION UNITS. EXPLAINS TEMPERATURE CHANGES IN REFRIGERANT PASSING THROUGH THE EXPANSION VALVE, COMPRESSOR, CONDENSER AND EVAPORATOR AS IT CARRIES HEAT TO THE OUTSIDE AIR. - DOD PIN 27633

- Kind: Educational
- Year: 1964
- By: Department of Defense
- Genres: Education
- Archive: [Internet Archive](https://archive.org/details/gov.dod.dimoc.27633)
- Licence or status: [CC0 1.0](http://creativecommons.org/publicdomain/zero/1.0/) (as the archive states it)
- Who can watch: Tweens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/ia/gov.dod.dimoc.27633?play=1)