A refrigeration system’s compression or pressure ratio is defined as the absolute discharge pressure divided by the absolute suction pressure. Calculating this ratio can be a big help when it comes to ...
Pratt & Whitney plans to boost the overall pressure ratio of its PW1100G geared turbofan engine for the A320neo to approximately 50:1, up 11% from the 45:1 ratio at takeoff for the PW1524G for the ...
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