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Abradable Linings:
Abradable Linings are usually made of a composite material which will be abraded away should the tip of a rotating blade touch the material. In flight the casings of an engine are subject to large changes in ambient temperature, so they will expand or contract. As we know the air temperature at 30,000ft is close to -50°C this would cause the casings to contract onto the rotor and the blades will then rub. To overcome this problem abrasive materials where used on early engines to wear down the tip of the blades, but this may cause balance problems. So most engines now use abradable linings that maintain minimum tip clearance but do not affect balance. They are usually found on the fan as this is the cold area of the rotating assemblies.
merits of laser light curtains in terms of cost,ease-of-use,flexibility.
Q. W hat do you understand by crystallographic notation of atomic planes/Explain with the help of examples. Ans.Crystallographic Notation 1. Crystal Symmetry:
can i get prportional and integral controller matlab coding to solve my load flow analysis
CYLINDRICAL COORDINATE
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The access time of ROM using bipolar transistors is about
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On a typical aerofoil, a point exists about which the resultant aerodynamic pitching moment M is independent of incidence. This special point is called the Aerodynamic Centre (AC).
Q. A. Microfinance case How would you value the price of a Microfinance Institution? Using data available on the net, explain what would you consider the value of SKS (India) or Co
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