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What does OPR stand for?

OPR stands for Operating Pressure Ratio (jet engine compression ratio)

This definition appears rarely and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.

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We have 121 other meanings of OPR in our Acronym Attic

Samples in periodicals archive:

The AETD program will lead to demonstration testing of an advanced high operating pressure ratio (OPR) core in late 2015, to be followed in 2016 by full engine testing of a three-stream adaptive fan and three-stream compatible augmentor and exhaust system.