CFD analysis of Rotary Vacuum Brazing Furnace (RVBF)
Liquid Propulsion Systems Centre, the propulsion complex of the Indian Space Research Organization, has established a Rotary Vacuum Brazing Furnace (RVBF) for the metallurgical treatment of cryogenic rocket propulsion systems.
RVBF is an Inert gas-circulated, closed-loop Integrated thermal system with operating temperatures up to 1500 degrees Celsius. The Integrated thermal loop consists of a heat treatment chamber, a centrifugal blower for gas circulation, Shell and Tube Heat exchanger to achieve gas cooling, and an Electromagnetic Induction heater to reach a higher operating temperature.
Controlled cooling is essential to achieve the desired metallurgical structure after heat treatment.
We worked closely with all the agencies involved in this turnkey project and conducted the necessary Computational Fluid Dynamics (CFD) analysis to assess the thermal performance of the Integrated RVBF unit.
We validated our CFD analysis model with the test results conducted on an already existing RVBF unit of slightly lower capacity. Our CFD analysis results are 90 % close to measured values.
We validated our CFD analysis model with the test results conducted on an already existing RVBF unit of slightly lower capacity. Our CFD analysis results are 90 % close to measured values.
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