Interactive Aerospace Engineering and DesignMcGraw-Hill, 2002 - 356 страници This text contains an integrated bound-in CD-ROM, and has a strong emphasis on design. Its active visual approach and inclusion of space-orientated engineering make it an interesting examination of the aerospace engineering field. |
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Страница 120
... efficiency , or n To attain a high efficiency ( n ~ 1 ) , we want to drive u → up . However , from the momentum equation , at higher efficiencies we need a larger mass flow to achieve a desired thrust . Thus , there are certain real ...
... efficiency , or n To attain a high efficiency ( n ~ 1 ) , we want to drive u → up . However , from the momentum equation , at higher efficiencies we need a larger mass flow to achieve a desired thrust . Thus , there are certain real ...
Страница 121
... efficiency is less than the Carnot ( ideal ) efficiency . η ≤nc = 1 - To Tsource [ 6.7 ] For the atmosphere the mean temperature To ranges between 200 and 300 K. For hydrocarbon fuels the source temperature is typically Therefore ...
... efficiency is less than the Carnot ( ideal ) efficiency . η ≤nc = 1 - To Tsource [ 6.7 ] For the atmosphere the mean temperature To ranges between 200 and 300 K. For hydrocarbon fuels the source temperature is typically Therefore ...
Страница 135
... efficiency . A turbofan engine is a variation of the basic gas turbine engine , where the core engine is surrounded by a fan in the front and an addi- tional fan turbine at the rear . The fan and fan turbine are composed of many blades ...
... efficiency . A turbofan engine is a variation of the basic gas turbine engine , where the core engine is surrounded by a fan in the front and an addi- tional fan turbine at the rear . The fan and fan turbine are composed of many blades ...
Съдържание
A Brief History of Flight | 1 |
Introduction to Engineering | 20 |
Aerodynamics | 36 |
Авторско право | |
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