Transient cooling effect analyses for a permanent-magnet synchronous motor with phase-change-material packaging

Wang, Shengnan; Li, Yunhua; Li, Yunze; Wang, Jixiang; Xiao, Xi; Guo, Wei

doi:10.1016/j.applthermaleng.2016.08.036

Cited by 52 publications

(20 citation statements)

References 27 publications

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“…Cooling Capacity and Exergy Penalty of Heat Sinks Sections 3.2-3.6 illustrated the estimation models for the cooling ability of fuel, RA, EFA, SHX, and the exergy penalty rate of RA, EFA, SHX, EHS. On this basis, the cooling capacity and exergy penalty of each heat sink during a target flight period can be determined by integrating the cooling ability and exergy penalty rate in this time range t 1 → t 2 , as shown in Equations (40) and (41) respectively. For evaluating the advantages and disadvantages of each heat sink more conveniently, the parameter cooling-penalty ratio has also been introduced as Equation (42).…”

Section: Exergy Penalty Rate Of Ehsmentioning

confidence: 99%

“…On the other hand, the larger frontal area of FDHX can lead to higher mass flow rate, further bringing greater exergy penalty rate. Thirdly, based on the cooling abilities and exergy penalty rates of EFA under Cases 6~10, the corresponding cooling capacities and exergy penalties of EFA during whole flight mission can be determined by Equations (40) and (41) respectively, shown in Figure 11c. Similar with RA, the cooling capacity and exergy penalty of EFA will all increase with the increasing FDHX frontal size.…”

Section: Case 6 Case 7 Case 8 Case 9 Case 10mentioning

confidence: 99%

“…Thirdly, based on the cooling abilities and exergy penalty rates, the corresponding cooling capacities and exergy penalties of SHX during whole flight mission can be determined by Equations (40) and (41), shown in Figure 12d. Besides, the cooling-penalty ratio can be determined by Equation (42).…”

Section: Skin Hxsmentioning

confidence: 99%

“…Deng [38] and Ma [39] have investigated the mini-channel heat sink numerically and experimentally, showing good performance for the application in the cooling of high heat flux microelectronic devices. Phase change materials for the thermal protection of onboard electrical motors have also been investigated numerically and experimentally [40,41], indicating that it is a good thermal control method for drastically changing heat loads. In addition, advanced thermal managing strategies and control algorithm are effective research fields.…”

Section: Introductionmentioning

confidence: 99%

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Cooling Ability/Capacity and Exergy Penalty Analysis of Each Heat Sink of Modern Supersonic Aircraft

Mao

Wang

et al. 2019

Entropy

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The aerospace-based heat sink is defined as a substance used for dissipating heat generated by onboard heat loads. They are becoming increasingly scarce in the thermal management system (TMS) of advanced aircraft, especially for supersonic aircraft. In the modern aircraft there are many types of heat sinks whose cooling abilities and performance penalties are usually obviously different from each other. Besides, the cooling ability and performance penalty of a single heat sink is even different under different flight conditions—flight altitude, Mach number, etc. In this study, the typical heat sinks which are the fuel mass, ram air, engine fan air, skin heat exchanger, and expendable heat sink will be studied. Their cooling abilities/capacities, and exergy penalties under different flight conditions have been systematically estimated and compared with each other. The exergy penalty presented in this paper refers to the exergy loss of aircraft caused by the extra weight, drag and energy extraction of various heat sinks. The estimation models, as well as the results and discussion have been elaborated in this paper, which can be can be used to further optimize the TMS of modern advanced aircraft, for example, the layout design of various heat sinks and the improvement the control algorithm.

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Section: Exergy Penalty Rate Of Ehsmentioning

confidence: 99%

Section: Case 6 Case 7 Case 8 Case 9 Case 10mentioning

confidence: 99%

Section: Skin Hxsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Cooling Ability/Capacity and Exergy Penalty Analysis of Each Heat Sink of Modern Supersonic Aircraft

Mao

Wang

et al. 2019

Entropy

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“…In general, typical cooling techniques for electric machine applications are based on air cooling systems [9][10][11], phase-change material cooling systems [12,13] and liquid cooling systems [14][15][16][17][18]. Because liquids have a higher heat transfer capacity than air of the same mass, in applications where there is a large amount of heat generated continuously, the liquid cooling systems are more suitable than air cooling systems in terms of heat transfer performance and size of the cooling system.…”

Section: Introductionmentioning

confidence: 99%

On Heat Transfer Performance of Cooling Systems Using Nanofluid for Electric Motor Applications

Deriszadeh

Monte

2020

Entropy

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This paper studies the fluid flow and heat transfer characteristics of nanofluids as advance coolants for the cooling system of electric motors. Investigations are carried out using numerical analysis for a cooling system with spiral channels. To solve the governing equations, computational fluid dynamics and 3D fluid motion analysis are used. The base fluid is water with a laminar flow. The fluid Reynolds number and turn-number of spiral channels are evaluation parameters. The effect of nanoparticles volume fraction in the base fluid on the heat transfer performance of the cooling system is studied. Increasing the volume fraction of nanoparticles leads to improving the heat transfer performance of the cooling system. On the other hand, a high-volume fraction of the nanofluid increases the pressure drop of the coolant fluid and increases the required pumping power. This paper aims at finding a trade-off between effective parameters by studying both fluid flow and heat transfer characteristics of the nanofluid.

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Review on cooling techniques and analysis methods of an electric vehicle motor

Shewalkar,

Dhoble,

Thawkar

2024

J Therm Anal Calorim

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Transient cooling effect analyses for a permanent-magnet synchronous motor with phase-change-material packaging

Cited by 52 publications

References 27 publications

Cooling Ability/Capacity and Exergy Penalty Analysis of Each Heat Sink of Modern Supersonic Aircraft

Cooling Ability/Capacity and Exergy Penalty Analysis of Each Heat Sink of Modern Supersonic Aircraft

On Heat Transfer Performance of Cooling Systems Using Nanofluid for Electric Motor Applications

Review on cooling techniques and analysis methods of an electric vehicle motor

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