What is the characteristics of the flow in Hot-water rockets

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SUMMARY

The discussion centers on the characteristics of flow in hot-water rockets, specifically addressing the unsteady flow nature of these systems. Participants confirm that the flow is indeed unsteady, but debate whether it is uniform. The need for thermodynamic calculations is emphasized, and resources for unsteady energy-mass flow problems are requested, highlighting a gap in available literature on this topic.

PREREQUISITES
  • Understanding of thermodynamics principles, particularly unsteady flow.
  • Familiarity with fluid dynamics concepts related to rocket propulsion.
  • Knowledge of energy-mass flow equations and calculations.
  • Basic grasp of hot-water rocket mechanics and operation.
NEXT STEPS
  • Research unsteady flow dynamics in thermodynamics.
  • Study energy-mass flow equations specific to hot-water rockets.
  • Explore fluid dynamics simulations for unsteady flow scenarios.
  • Investigate existing literature on steam rocket propulsion systems.
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Engineers, physicists, and hobbyists interested in rocket propulsion, particularly those focusing on thermodynamic calculations and fluid dynamics in unsteady flow systems.

Basimalasi
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So I'm trying to make a Hot-Water Rocket. But I want to make the necessary thermodynamics calculations first.
What kind of flow will it be in such systems

I think it's obviously going to be an unsteady flow but is it uniform or not?

I also would love if you guys linked me to unsteady energy-mass flow of water problems. I tried google and my thermodynamics book but 99% of the problems are in steady flow.
Thanks in advance.
 
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What exactly do you mean by a "hot water rocket"?
 

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