peterl95124
Well-Known Member
- Joined
- Feb 22, 2020
- Messages
- 523
- Reaction score
- 338
I'm not sure what point you're trying to make, as final reports of the Apollo-13 incident determined that a routine stir of an oxygen tank ignited damaged wire insulation inside the tank, causing tank pressure to rapidly increase resulting in an explosion.
IF, you're drawing attention to the possibility that my feed pump is quite capable of over-pressuring the boiler tubes, thereby rupturing them, I've addressed that possibility by installing pressure and temperature sensors on the feedwater input to the boiler and the steam output as shown in post #331 above. The ECU monitors these pressures and temperatures and prevents feed pump induced over-pressure conditions by reducing feed pump RPM whenever pressures reach the max limit. As an additional safety precaution, a purely mechanical pressure release poppet valve is installed on the steam output side of the boiler.
Perhaps I'm mis-remembering, but I thought it was the result of a pressure gauge that only went up to the designed operating range of the device, so if you were over pressure the gauge just pegged at that maximum operating pressure, the astronaut read the dial and presumed everything was OK because it didn't show *above* the max pressure. Perhaps it was a different flight.