The Aeronautical Journal, Volume 73Royal Aeronautical Society, 1969 - Aeronautics |
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Page 760
... efficiency to the qualities of productivity , operating economy and utilisation ( Table II ) . 2.1 . Productivity is essentially linked with payload and speed , and payload can further be sub - divided into considerations of disposable ...
... efficiency to the qualities of productivity , operating economy and utilisation ( Table II ) . 2.1 . Productivity is essentially linked with payload and speed , and payload can further be sub - divided into considerations of disposable ...
Page 926
... efficiency alone . Available materials with 800 ° C temperature capability will meet requirements for some time to ... EFFICIENCY Translation of high engine thermal efficiency into minimum specific fuel consumption at a particular flight ...
... efficiency alone . Available materials with 800 ° C temperature capability will meet requirements for some time to ... EFFICIENCY Translation of high engine thermal efficiency into minimum specific fuel consumption at a particular flight ...
Page 933
... efficiency ; it entails 18 % in- crease of air mass flow and is clearly unattractive . The next step , raising the temperature from 1000 ° K to 1600 ° K at pressure ratio 12 ( Engine C ) gives 26 % im- provement of thermal efficiency ...
... efficiency ; it entails 18 % in- crease of air mass flow and is clearly unattractive . The next step , raising the temperature from 1000 ° K to 1600 ° K at pressure ratio 12 ( Engine C ) gives 26 % im- provement of thermal efficiency ...
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Aero aerodynamic aerofoil Aeronautical Journal aeroplane air transport airline airport angle application associated Aviation blade boundary layer British BRITISH AIRCRAFT CORPORATION cargo CEng civil Civil Air Transport configuration conventional cost cross-coupling dynamic effect engine equipment fibres field Figure flight flow flying FRAeS fuselage future Harrier Hawker Siddeley Aviation helicopter hover Illustrated increase industry lecture lift lift-fan London Mach number man-powered flight mechanical ment methods military NASA TN noise level obtained operation organisation outer space paper passengers performance pilot plate polymers possible present problem programme propulsion ratio rotorcraft Royal Aeronautical Society Royal Air Force satellite shown in Fig speed STOL structure Sud Aviation supersonic tail rotor take-off technical techniques Technology temperature thrust tion traffic turbine V/STOL vector vehicle velocity VTOL weight Westland wing