By providing designers with a way to visualize air flow and the combustion process more precisely, improved 3D aerodynamic modeling has helped CFM International move beyond what engineers acknowledge was a reliance on instinct to guide them in the fine points of gas turbine engine design.rnThose algorithms have emerged over the past decade and allowed CFM to offer mid-life upgrades to the CFM56-5B/7Bs that power the Airbus A320 and Boeing 737 families, the world's best-selling large airliners.
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