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An Experimental Study of Cryogenic Engine

Rakesh. R , Praveen. N, Prakash. E

Cryogenics originated from two Greek words “kayos” which means “cold or freezing” and “genes” which means “born or produced”. Cryogenics is the study of very low temperatures or the production of the same. Liquefied gases like liquid nitrogen and liquid oxygen are used in many cryogenic applications. During World War II, when powerful rocket engines were first considered by the German, American and Soviet engineers independently, all discovered that rocket engines need high mass flow rate of both oxidizer and fuel to generate a sufficient thrust. Oxidizer is one of the most widely used. Both components are easily and cheaply available, And when burned have one of the highest entropy And when burned have one of the highest entropy Releases by combustion, producing specific Impulse up to 450 s, \(effective exhaust velocity 4.4 km/s).