Experimental investigation of natural convection heat transfer coefficient for roughed inclined plate

Bilawane, R.R.; Mandavgade, Nitin K.; Kalbande, Vijay N.; Patle, Limesh J.; Kanojiya, Mahesh T.; Khorgade, Rupesh D.

doi:10.1016/j.matpr.2021.02.639

Cited by 4 publications

(2 citation statements)

References 12 publications

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“…The measured heat capacity and thermal conductivity are from Table 1 and the initial resistance from Table 4. The convection coefficient is comprised between 5 and 30W/m 2 .K in case of natural convection of a gas [46] and taken equal to 18W/m 2 .K as a first approximation for exchanges by natural convection with the air of a vertical flat plate under Joule heating [47]. The coefficient b for the evolution of the electrical resistance is taken equal to 2.11x10 -2 /°C according to the section 3.4.1.…”

Section: Modellingmentioning

confidence: 99%

Durability of Joule effect of 3D printed carbon black/polylactic acid: Electrical cyclic tests and analytical modelling

Roumy

Touchard

Marchand

et al. 2023

International Journal of Fatigue

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Section: Modellingmentioning

confidence: 99%

Durability of Joule effect of 3D printed carbon black/polylactic acid: Electrical cyclic tests and analytical modelling

Roumy

Touchard

Marchand

et al. 2023

International Journal of Fatigue

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“…Thus, experimental values were obtained, particularly for vertical and horizontal walls and pipes under natural and forced convection, for heat exchangers, taking into account the phase transitions of the liquid [17][18][19][20][21][22][23][24][25][26][27][28].…”

Section: Introductionmentioning

confidence: 99%

Modeling of Flow Heat Transfer Processes and Aerodynamics in the Cabins of Vehicles

Beskopylny

Panfilov

Meskhi

2022

Fluids

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Ensuring comfortable climatic conditions for operators in the cabin of technological machines is an important scientific and technical task affecting operator health. This article implements numerical and analytical modeling of the thermal state of the vehicle cabin, considering external airflow and internal ventilation. A method for calculating the heat transfer coefficients of a multilayer cabin wall for internal and external air under conditions of forced convective heat exchange is proposed. The cabin is located in the external aerodynamic flow to consider the speed and direction of the wind, as well as the speed of traffic. Inside the cabin, the operation of the climate system is modeled as an incoming flow of a given temperature and flow rate. The fields of velocities, pressures, and temperatures are calculated by the method of computer hydrodynamics for the averaged Navier–Stokes equations and the energy equation using the turbulence model. To verify the model, the values of the obtained heat transfer coefficients were compared with three applied theories obtained from experimental data based on dimensionless complexes for averaged velocities and calculated by a numerical method. It is shown that the use of numerical simulation considering the external air domain makes it possible to obtain more accurate results from 5% to 75% compared to applied theories, particularly in areas with large velocity gradients. This method makes it possible to get more accurate values of the heat transfer coefficients than for averaged velocities.

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Experimental and numerical study heat transfer performance for printed circuit board

Kadum¹,

Aljabair²,

Imran³

2023

AIP Conference Proceedings

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Experimental investigation of natural convection heat transfer coefficient for roughed inclined plate

Cited by 4 publications

References 12 publications

Durability of Joule effect of 3D printed carbon black/polylactic acid: Electrical cyclic tests and analytical modelling

Durability of Joule effect of 3D printed carbon black/polylactic acid: Electrical cyclic tests and analytical modelling

Modeling of Flow Heat Transfer Processes and Aerodynamics in the Cabins of Vehicles

Experimental and numerical study heat transfer performance for printed circuit board

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