Design of Cooling Systems Using Computational Fluid Dynamics and Analytical Thermal Models

SanAndres, Unai; Almandoz, Gaizka; Poza, Javier; Ugalde, Gaizka

doi:10.1109/tie.2013.2286081

Cited by 56 publications

(33 citation statements)

References 28 publications

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“…In addition periodic condition can be used to reduce memory requirements and CPU load, as it was concluded in [10]. Regarding to boundary air volumes, an inlet sphere is necessary to make stable the inlet boundary condition and also the wind tunnel to measure airflow and static pressure, which will give the fan characteristic curve.…”

Section: Discussionmentioning

confidence: 99%

“…However for the inlet boundary condition there are two main options: defining the fluid flow with Velocity inlet or Mass flow inlet, and defining an ambient pressure with Stagnation pressure inlet. The first parameter to analyse will be these inlet boundary conditions as it is analysed in [10]. The same model of fan has been simulated to analyse the characterization obtained with each boundary condition.…”

Section: Analysis Of Simulation Parametersmentioning

confidence: 99%

“…And in the last years, the progress in computers and computational fluid dynamics (CFD) has allowed to simulate the air motion related to electrical machines [1], [9]. Also, results from CFD can supply lumped parameter models for analytical simulations [9], [10], in order to run faster and lighter thermal simulations of electrical machines.…”

Section: Introductionmentioning

confidence: 99%

“…And the value of fluid flow that a fan can achieve when it is installed in a cooling system is represented in fluid flow -pressure characteristic curves of the fan and the cooling system, as it is explained in [10].…”

Section: A Brief Introduction To Fansmentioning

confidence: 99%

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Radial fan simulations by computational fluid dynamics and experimental validation

SanAndres

Almandoz

Poza

et al. 2014

2014 International Conference on Electrical Machines (ICEM)

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Fans are commonly used to refrigerate electrical machines when air forced cooling is required. They are rather simple solutions that can considerably improve the thermal performance of electrical machines, so the fan analysis could become an important point during the thermal design of electrical machines. This paper presents an analysis by computational fluid dynamics (CFD) simulations with the goal of characterizing radial fans, used in electrical machines. Different boundary conditions and parameters that affect to CFD results are evaluated in order to get an efficient way to simulate radial fans. The main objective is to obtain the flowpressure characteristic curve of fans and airflow velocities by CFD simulations. Finally CFD simulation results of 2 fans are experimentally validated. One of them has been analysed in a fan testing wind tunnel. And the second one has been analysed in an auto-ventilated machine.Index Terms-computational fluid dynamics (CFD), cooling systems design, fan characterization, thermal optimization, electrical machines, lumped-parameters thermal models, airflow pressure, fan testing wind tunnel, auto-ventilated machine. he is currently an Associate Professor. His current research interests include electrical machine design, modeling, and control. He has participated in various research projects in the fields of wind energy systems, lift drives, and railway traction. he is currently an Associate Professor. His current research interests include electrical machine design, modeling, and control. He has participated in various research projects in the fields of wind energy systems, lift drives, and railway traction. Gaizka Ugalde received the B.Eng. and Ph.D. degrees in electrical engineering from the University of Mondragón, Mondragón, Spain, in 2006 and 2009, respectively. Since 2009, he has been with the Department of Electronics, Faculty of Engineering, University of Mondragón, where he is currently an Associate Professor. His current research interests include permanent-magnet-machine design, modeling, and control. He has participated in various research projects in the fields of lift drives and railway traction.

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Section: Discussionmentioning

confidence: 99%

Section: Analysis Of Simulation Parametersmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: A Brief Introduction To Fansmentioning

confidence: 99%

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Radial fan simulations by computational fluid dynamics and experimental validation

SanAndres

Almandoz

Poza

et al. 2014

2014 International Conference on Electrical Machines (ICEM)

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“…Liquid cooling solutions will become widely used, as more powerful (higher power/size) electrical machines are necessary for market in applications, such as hybrid drives, wind generators etc. [1]. High power densities and varying operation conditions with short high peaks in vehicle applications place heavy requirements on cooling.…”

Section: Introductionmentioning

confidence: 99%

Application of potting material for a 100 kW radial flux PMSM

Polikarpova

Lindh

Tapia

et al. 2014

2014 International Conference on Electrical Machines (ICEM)

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Thermal modeling of a 100 kW radial flux permanent magnet electrical machine is studied and verified by experiments. The traction machine has hybrid cooling. A simplified thermal model based on Computational Fluid Dynamics (CFD) was used to analyze the temperature distribution throughout the machine. The machine has a water jacket and adopts potting materials around the end-windings. The potting materials around the end windings operate as heat paths to the frame coolant. The design principle of the cooling system is presented in details. Experimental investigations are performed on a 100 kW radial flux permanent magnet electrical machine to validate the simulation results.Index Terms-electrical machines, liquid jacket, hybrid cooling system, thermal analysis I.M. Polikarpova is with the department of electrical engineering, ). P. M. Lindh is with the department of electrical engineering,

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Water cooling, PSG, PCM, Cryogenic cooling strategies and thermal analysis (experimental and analytical) of a Permanent Magnet Synchronous Motor: a review

et al. 2021

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Design of Cooling Systems Using Computational Fluid Dynamics and Analytical Thermal Models

Cited by 56 publications

References 28 publications

Radial fan simulations by computational fluid dynamics and experimental validation

Radial fan simulations by computational fluid dynamics and experimental validation

Application of potting material for a 100 kW radial flux PMSM

Water cooling, PSG, PCM, Cryogenic cooling strategies and thermal analysis (experimental and analytical) of a Permanent Magnet Synchronous Motor: a review

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