Najafi, M., Najafi, M. (2017). Experimental and Analytical Study of Aluminum-oxide Nanofluid Implication for Cooling System of an Amphibious Engine. ADMT Journal, 10(1), 51-56.
Mohamad Najafi; M. Najafi. "Experimental and Analytical Study of Aluminum-oxide Nanofluid Implication for Cooling System of an Amphibious Engine". ADMT Journal, 10, 1, 2017, 51-56.
Najafi, M., Najafi, M. (2017). 'Experimental and Analytical Study of Aluminum-oxide Nanofluid Implication for Cooling System of an Amphibious Engine', ADMT Journal, 10(1), pp. 51-56.
Najafi, M., Najafi, M. Experimental and Analytical Study of Aluminum-oxide Nanofluid Implication for Cooling System of an Amphibious Engine. ADMT Journal, 2017; 10(1): 51-56.
Experimental and Analytical Study of Aluminum-oxide Nanofluid Implication for Cooling System of an Amphibious Engine
1Department of Mechanical and Aerospace Engineering,
Science and Research Branch, Islamic Azad University, Tehran, Iran
2Department of Mechanical and Aerospace Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
Abstract
The aim of this manuscript is to study the implication of aluminium-oxide nanofluid for an amphibious vehicle engine (viable on land and under water) cooling system both analytically and experimentally. To achieve this, a one-dimensional model of the engine cooling system (radiator) is considered through a computational fluid code in which the mass flow rate for a range of the coolant temperature is assumed to be constant. By knowing the volumetric flow rate of the air passing over the radiator, the heat transfer rates for different aluminium-oxide nanofluid volume concentrations at different amphibious engine gears are determined. The analytical results indicate that a 7% aluminium-oxide nanofluid increases the engine radiator heat transfer performance by 24.9%, while the experimental results show that the coolant outlet temperature is about 3˚C lower than the case without the nanofluid in the coolant.
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