The relationship between the specific impulse | vedclass

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Question

(C) The specific impulse $(I_s)$ of a rocket propellant is a measure of the efficiency of the rocket engine. It is directly proportional to the square

Vedclass · Accepted Answer

$I_s \propto \sqrt{T_c}$

Vedclass · Answer

(C) The specific impulse $(I_s)$ of a rocket propellant is a measure of the efficiency of the rocket engine. It is directly proportional to the square root of the combustion chamber temperature $(T_c)$ and inversely proportional to the square root of the average molecular mass $(M)$ of the exhaust gases. The relationship is given by $I_s \propto \sqrt{T_c/M}$. Therefore,$I_s \propto \sqrt{T_c}$.

The relationship between the specific impulse of a rocket $(I_s)$ and the critical temperature $(T_c)$ of the fuel reacted in the rocket motor is:

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