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Propulsion
Gas Turbine Development Question
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<blockquote data-quote="charleybarley" data-source="post: 312430" data-attributes="member: 9583"><p>For an Olympus 301 at take off (ref The Avro Type 698 Vulcan by David Fildes p.345) gas leaves combuster at 500 ft/sec and enters stationary part of turbine ie nozzle guide vanes. It leaves nozzles at 2065 ft/s and heads towards moving part of turbine ie blades which are moving away from it at high speed. So gas 'hits' moving blades at some lesser speed, for example if blades are moving at 1500 ft/s the speed of gas relative to blades may be something like 1000 ft/s.</p></blockquote><p></p>
[QUOTE="charleybarley, post: 312430, member: 9583"] For an Olympus 301 at take off (ref The Avro Type 698 Vulcan by David Fildes p.345) gas leaves combuster at 500 ft/sec and enters stationary part of turbine ie nozzle guide vanes. It leaves nozzles at 2065 ft/s and heads towards moving part of turbine ie blades which are moving away from it at high speed. So gas 'hits' moving blades at some lesser speed, for example if blades are moving at 1500 ft/s the speed of gas relative to blades may be something like 1000 ft/s. [/QUOTE]
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