Application Study of Electrical Fans Assemble Applied in Bus Cooling System

Filho, Ivar José de Souza; Francisco, Adriano de Oliveira; Paterlini, Bruno Scarano; Silva, Daniel Luna Ferreira da; Veissid, Marcello Cervini Procida; Neto, Paschoal Federico; Vaz, Ricardo Moreira

doi:10.4271/2015-36-0402

Cited by 2 publications

(2 citation statements)

References 4 publications

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“…In coolant temperature type (electronic), the bi-metallic strip is replaced by a solenoid valve attached to fan shroud. Filho et al [17], describes that the embedded electronic has been used to add intelligence to a purely mechanical systems to aide reduction of fuel consumption which is one of the major concerns of automotive engineering. The actuators and solenoid grant real time computer control to improve temperature regulation and reduce power consumption.…”

Section: Introductionmentioning

confidence: 99%

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Use of electronic viscous drive to optimize fan duty cycle

Ramdas

Dey

2022

Eng. Res. Express

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The Electronic Viscous Fan Drive Clutch is one of the key components of cooling system in automotive sectors. It is more efficient than the current traditional bimetal operated Mechanical Viscous Fan Drive Clutch in terms of fan power consumption. The comparative change in fan power with both fan drives is studied and it is observed that with electronic fan clutch 86% reduction in fan power is achieved. In the current study an attempt is made to demonstrate the improvement in the cooling system in terms of ambient temperature of air and the coolant temperature. This is achieved through the complete driving cycles by maintaining unvarying temperature. Standard rise over ambient vehicle test with support of Vector CANapeis utilised for testing and data recording. With use of electronic viscous fan drive there is direct proportional relation between coolant temperature and fan rpm. It alsoindicates that the system level temperaturesare optimized to achieve higher efficiency in terms of thermal and fuel economy.

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Section: Introductionmentioning

confidence: 99%

“…The fan rotates between the engine and radiator, which is mounted on one of the pulley that may be crankshaft pulley or accessory pulley. Souza et al and Gopal et al [4,5] concluded that the hot air coming out from radiator is still used for cooling the engine as the air temperature was less than the engine surface temperature.…”

Section: Introductionmentioning

confidence: 99%

Use of electronic viscous drive to optimize fan duty cycle

Ramdas

Dey

2022

Eng. Res. Express

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Numerical Investigation on Heat Dissipation Performance of Multi-Fan Cooling Module

Guo,

Xiao,

Huang

et al. 2024

SAE Technical Paper Series

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<div class="section abstract"><div class="htmlview paragraph">To study the heat dissipation performance of the multi-fan cooling module composed of multiple fans and a radiator, numerical models of the radiator and the multi-fan cooling module were established, and heat dissipation performance prediction analysis and application analysis were conducted. In modeling, the Effectiveness-Number of Transfer Units (ε − NTU) method is used to predict the heat dissipation performance of the radiator. The aerodynamic performance of the fan at any speed is obtained by the similarity theorem using the data obtained from the tests at a certain speed. The influence between the fan and the radiator was established by using the flow addition scheme. To validate the established model, heat dissipation performance using 36 radiators and 11 multi-fan cooling modules is measured, and the measured data are compared with the calculations. The results show that: (1) For the radiator model, relative errors of heat dissipation are below 15.03%, and the absolute error of the outlet temperature is less than 1.6 °C. (2) For the multi-fan cooling module Relative errors of heat dissipation are within 13.34%-18.35%, and the absolute error of the outlet temperature is less than 4.3 °C. Considering the difficulty of obtaining the radiator structural parameters, the ε − NTU model with a semi-empirical formula with multiple sets of operation points as input is proposed, and the model verification error is below 6.86%. This method can predict the heat dissipation of different core sizes, and the calculation error is within 20%. For fan control, this article demonstrates that partial activation of the fan is beneficial to reducing fan energy consumption under low heat source conditions.</div></div>

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Application Study of Electrical Fans Assemble Applied in Bus Cooling System

Cited by 2 publications

References 4 publications

Use of electronic viscous drive to optimize fan duty cycle

Use of electronic viscous drive to optimize fan duty cycle

Numerical Investigation on Heat Dissipation Performance of Multi-Fan Cooling Module

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