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External cooling
Cooling of the external skin of an aero-engine is achieved by suitable design of the aircraft airframe; the layout will depend upon where the engine is fitted and what kind of engine compartment is used. Normally, the cooling and ventilating of an engine bay or pod is achieved by ducting atmospheric air round the engine and spilling it back to atmosphere through suitably placed outlets (see figure). The air is usually taken from a ram inlet but provision is also made to provide a cooling and ventilating airflow during ground running periods. Another function of the cooling airflow is to remove flammable vapours from the engine compartment to reduce the fire risk.
PROPELLER CONSTRUCTION METAL PROPELLERS Most metal propellers have forged alloy blades protected from corrosion by anodising and often further protected by polyurethane en
Thrust calculation: The amount of thrust produced depends upon two things:- The MASS of air which is moved rearwards in a given time, the ACCELERATION imparted to the air.It
Q. The Electricity generation in Florida is 224,750GWh/y. What is the annual generation per capita? Knowing the population of Florida, the electricity generation per capita is 1
Spinning Reticle Seekers A spinning reticle seeker contains a single thermal detector and a spinning patterned disk - such as the ‘Rising Sun' Reticle. - consis
what is theory of relativity?
Q. What is a normal spectrum? Show that grating spectrum is a normal spectrum. Ans. Normal spectrum and the dispersive power of grating is defined as the rate of change of a
You are required to undertake the following tasks: 1. Problem Identification Download the dataset assigned to you from the module Blackboard site. Read the data description
conclusion
what is melting practice
the axle diameters of differential wheel and axle lifting machine are 254mm and 129mm respectively.the load has a mass of 36kg and the effort required is 300N.if the efficiency is
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