Questions tagged [combustion-chamber]

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5
votes
2answers
141 views

How to calculate these engine parameters on my own?

I am a space enthusiast and am intrigued mostly by rockets. I recently found a book HOW to DESIGN, BUILD and TEST SMALL LIQUID-FUEL ROCKET ENGINES and have been fiddling around with rocket engine ...
3
votes
1answer
136 views

I don't know where to start with the calculations - rocket engine

Last year I stumbled upon the "How to design, build and test a rocket engine" pdf and since then I have been intrigued by making one (or at least calculating it). So I've been doing some ...
4
votes
2answers
160 views

Is it impossible to prevent the combustion instability by injecting the reactants at the choking condition for the liquid rocket engine?

For the liquid rocket engine like LOX/LH2, LOX/methane or LOX/kerosene, the injection velocity fluctuation of fuel and oxidizer (u') can cause the combustion instability sometimes. However, isn't it ...
4
votes
0answers
177 views

How to measure the temperature inside a combustion chamber

This question is inspired by How do you determine what the temperature will be in the combustion chamber of a rocket engine? . I wonder how you would mesaure the temperature on the inner surface of ...
3
votes
2answers
267 views

Is presssuized gas absent in a turbopump-driven rocket engines?

For RL-10 rocket engines, are the propellent pumps able to provide the propellent without a source of pressurant gas?