Numerical Investigation of the Effect of Adding Nanoparticles to Helicopter Motor Oil

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SHAKIBA A.; Karami Zarandi o.; VAHEDI KH.

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Journal: FLUID MECHANICS AND AERODYNAMICS JOURNAL Year:2018 | Volume:7 | Issue:1 Page(s): 49-64

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Title

Numerical Investigation of the Effect of Adding Nanoparticles to Helicopter Motor Oil

Author(s)

SHAKIBA A. | Karami Zarandi o. | VAHEDI KH. | Issue Writer Certificate

Keywords

In this paperQ1

the effects of added nanoparticles to oil with the aim of improving heat transfer were investigated.At firstQ2

thermophysical characteristics of helicopter oil (MIL-L-23699) were measured by cooperation of chemical laboratory of Iran Helicopter Support and Renewal Company (PANHA).ThenQ1

by collecting other dataQ1

geometry of the problem was produced and gridded through the use of Gambit software and was transmitted to Ansys Fluent 17.2 for simulating the flow and heat transfer.The single-phase model and control volume technique have been used to solve this problem.The results reveal that by adding nanoparticles to helicopter oilQ1

thermal propertiesQ1

such as Nusselt numberQ1

considerably improve in comparison with pure oil.HoweverQ1

the improvement of heat transfer process for gold-oil nanofluid is more than the other nanofluids.Comparing the results also shows that adding nanoparticles to the base oil causes a slight pressure changeQ1

which has no special effect on nanofluid pumping.The results indicate that by increasing Reynolds numberQ1

Nusselt number and static pressure increase and friction coefficient decreases.It is also observed that in a constant Reynolds numberQ1

by increasing working temperatureQ1

Nusselt numberQ1

friction coefficientQ1

and static pressure decrease and temperature increases.ThereforeQ1

adding nanoparticles to helicopter oil would lead to the improvement of heat transfer propertiesQ1

better cooling of the size of engineQ1

shrinking the engine lubrication systemQ1

the ability of tolerating high loadsQ1

the ability of flying at higher altitudesQ1

and eventually the enhancement of power and efficiency of the engine.Q1

Abstract

In this paper, the effects of added nanoparticles to oil with the aim of improving heat transfer were investigated. At first, thermophysical characteristics of helicopter oil (MIL-L-23699) were measured by cooperation of chemical laboratory of Iran Helicopter Support and Renewal Company (PANHA). Then, by collecting other data, geometry of the problem was produced and gridded through the use of Gambit software and was transmitted to Ansys Fluent 17. 2 for simulating the flow and heat transfer. The single-phase model and control volume technique have been used to solve this problem. The results reveal that by adding nanoparticles to helicopter oil, thermal properties, Nusselt number/fa?page=1&sort=1&ftyp=all&fgrp=all&fyrs=all" target="_blank">such as Nusselt number, considerably improve in comparison with pure oil. However, the improvement of heat transfer process for gold-oil nanofluid is more than the other nanofluids. Comparing the results also shows that adding nanoparticles to the base oil causes a slight pressure change, which has no special effect on nanofluid pumping. The results indicate that by increasing Reynolds number, Nusselt number and static pressure increase and friction coefficient decreases. It is also observed that in a constant Reynolds number, by increasing working temperature, Nusselt number, friction coefficient, and static pressure decrease and temperature increases. Therefore, adding nanoparticles to helicopter oil would lead to the improvement of heat transfer properties, better cooling of the size of engine, shrinking the engine lubrication system, the ability of tolerating high loads, the ability of flying at higher altitudes, and eventually the enhancement of power and efficiency of the engine.

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APA: Copy

SHAKIBA, A., Karami Zarandi, o., & VAHEDI, KH.. (2018). Numerical Investigation of the Effect of Adding Nanoparticles to Helicopter Motor Oil. FLUID MECHANICS AND AERODYNAMICS JOURNAL, 7(1 ), 49-64. SID. https://sid.ir/paper/245569/en

Vancouver: Copy

SHAKIBA A., Karami Zarandi o., VAHEDI KH.. Numerical Investigation of the Effect of Adding Nanoparticles to Helicopter Motor Oil. FLUID MECHANICS AND AERODYNAMICS JOURNAL[Internet]. 2018;7(1 ):49-64. Available from: https://sid.ir/paper/245569/en

IEEE: Copy

A. SHAKIBA, o. Karami Zarandi, and KH. VAHEDI, “Numerical Investigation of the Effect of Adding Nanoparticles to Helicopter Motor Oil,” FLUID MECHANICS AND AERODYNAMICS JOURNAL, vol. 7, no. 1 , pp. 49–64, 2018, [Online]. Available: https://sid.ir/paper/245569/en

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