... coefficient at the end winding bars of large hydro generators. These coefficients are needed for lumped parameter thermal models in the design process. Design/methodology/approach – The computational fluid dynamics simulation in combination with conjugate heat transfer (CHT) validates the accuracy...

... interesting areas. © Emerald Group Publishing Limited 2015 Electrical machines Generators Heat transfer Heat conduction Fluid dynamics End winding bars Thermal model Cooling The design process of electrical machines is primarily based on zero-dimensional tools like lumped...