All Questions
Tagged with cryogenics engine-design
6
questions
5
votes
1
answer
351
views
Does a cryogenic liquid propellant engine exist capable of using multiple fuels?
For example, a rocket engine which can use both liquid methane and liquid hydrogen.
- 3,298
4
votes
2
answers
351
views
How does the open expander cycle separate the fuel for the pump and combustion chamber? [closed]
I'm designing a single open cycle expander rocket engine using propane. However, I've been unable to find out whether or not the fuel is split into the turbine and combustion chamber before or after ...
- 822
3
votes
1
answer
899
views
How do Expander Cycle Engines Inject Liquid Fuel During Startup?
My understanding is that the H2 in an expander-cycle engine is vaporized by the heat from the combustion chamber and nozzle wall. This is used to power a turbine and then get injected, in gas phase, ...
- 135
12
votes
1
answer
3k
views
The principle behind regenerative cooling?
In regenerative cooling the fuel is passed around the nozzle before being pumped into the combustion chamber right? I don't really see how this affects cooling itself, since the heat captured around ...
- 741
26
votes
4
answers
5k
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Does the NK-33 engine require subcooled kerosene so cold that it turns to wax?
It was mentioned in this answer and in several other places on the internet that the kerosene fuel used by NK-33 engines needed to be subcooled enough so that it reached the same density as the LOX, ...
- 149k
14
votes
1
answer
2k
views
Changes made to ISRO GSLV-D5's CUS and FBTP since GSLV-D3's LH2/LOX CUS failure to sustain ignition?
The launch of the ISRO GSLV-D5 launching India's GSAT 14 advanced communications satellite (weighing 1,980 kg) is slated for 19th of August, 2013, flying in the GSLV Mk.2 configuration with an Indian-...
- 76.2k