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Find the upstream Mach number if there is a entropy increase across the normal shock wave of \(220\,J/\left( {kg.K} \right)\).
Find the upstream Mach number if there is an entropy increase across the normal shock wave of \(220\,J/\left( {kg.K} \right)\).
Mach number

normal shock waves

Shock waves

thermodynamics

techAir Asked on 11th March 2021 in Aerodynamics.
- 1K views
- 1 answers
- 0 votes
What are the advantages of turbojet engine?
What are the advantages of a turbojet engine?
Aircraft performance

Airplane design

Supersonic airplanes

thermodynamics

turbojet

Kumar59 Asked on 3rd July 2020 in Propulsion.
- 1K views
- 1 answers
- 0 votes
The temperature distribution at a certain input of time in concrete slab during curing is given by \(T=3x^{2}+3x+16\) where \(x\) is in \(cm\) and \(T\) is in \(K\). Find the rate of change of temperature with time. \((\alpha=0.003\;cm^{2}/s)\)
The temperature distribution at a certain input of time in concrete slab during curing is given by \(T=3x^{2}+3x+16\) where \(x\) …
mech.

thermodynamics

Kisan Kumar Asked on 25th October 2019 in Propulsion.
- 1K views
- 1 answers
- 0 votes
The temperature field in a body varies according to the equation \(T(x,y)=x^{3}+4xy\). Find the direction of fastest variation in temperature at the point \((1,0)\).
The temperature field in a body varies according to the equation \(T(x,y)=x^{3}+4xy\). Find the direction of fastest variation in temperature …
mech.

thermodynamics

Kisan Kumar Asked on 25th October 2019 in Propulsion.
- 1K views
- 1 answers
- 0 votes
3 kg of steam in a piston -cylinder device at 400 kPa and 175 degree Celsius undergoes a mechanically reversible , isothermal compression to a final pressure such that the steam becomes just saturated. What is the work required for the process.
3 kg of steam in a piston -cylinder device at 400 kPa and 175 degree Celsius undergoes a mechanically reversible …
thermodynamics

techAir Asked on 29th September 2019 in Propulsion.
- 1K views
- 1 answers
- 0 votes
A paddle wheel is used for stirring a liquid contained in a tank supplied 6000 kJ of work and during the stirring operation the tank lost 1500 kJ of heat to the surroundings. If the tank and liquid are considered as a system what will be its change in internal energy.
A paddle wheel is used for stirring a liquid contained in a tank supplied 6000 kJ of work and during …
thermodynamics

Worldtech Asked on 29th September 2019 in Propulsion.
- 1K views
- 1 answers
- 0 votes
In a cyclic process the net heat supplied is 70 kJ/s. What is the work obtained from the cycle?
In a cyclic process the net heat supplied is 70 kJ/s. What is the work obtained from the cycle?
thermodynamics

Worldtech Asked on 29th September 2019 in Propulsion.
- 1K views
- 1 answers
- 0 votes
An apple loses 4.5 kJ of heat as at cools per degree Celsius drop in its temperature. What is the amount of heat lost from the apple per degree Fahrenheit in its temperature?
An apple loses 4.5 kJ of heat as at cools per degree Celsius drop in its temperature. What is the …
thermodynamics

techAir Asked on 28th September 2019 in Propulsion.
- 5K views
- 1 answers
- 0 votes

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