Transactions of Nanjing University of Aeronautics & Astronautics
Thermal-Fluid Coupling Simulation of Ventilation Cooling System of Generator Based on FLOWMASTER
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Abstract:
By taking a 2.3 MW double-fed asynchronous generator as an example, a new method for fast simulation analysis of ventilation cooling system inside generator is proposed based on the one-dimensional simulation software FLOWMASTER. The thermal-fluid coupling simulation model of ventilation cooling system inside generator is established. Under the stable running state of the generator, the flow velocity distribution and temperature rise of the key parts of the generator are analyzed. The results prove that the ventilation structure design of the generator meets the temperature rise limit. The simulation results are compared with the theoretical calculation results and the experimental results, which verify the correctness of the thermal-fluid coupling simulation method proposed in this paper.
Keywords:
large generator ; ventilation cooling system ; thermal-fluid couple
Project Supported:
This work was supported by the Aviation Science Foundation of China (No.20150252003).
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