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Free-Convection Heat Transfer in Screened Greenhouses
Journal of Agricultural Engineering Research, 1998Free-convection heat transfer between heating pipes and air, horizontal screen and air and inner roof surface and air was studied experimentally in twin-span glasshouses, under constant heat flux conditions. Among other results, equation coefficients between Nusselt and Rayleigh numbers are presented for the inner surface of the greenhouse roof, screen
Miguel, A.F. +3 more
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A ‘BACKWARD’ FREE-CONVECTIVE BOUNDARY LAYER
The Quarterly Journal of Mechanics and Applied Mathematics, 1981In this paper the cooling of a low-heat-resistance sheet that moves downwards is considered. The free-convective velocities are assumed to be much larger than the velocity of the sheet. As a result the motion of the fluid is mainly towards the point where the sheet enters the system and a ‘backward’ boundary layer ensues. It is shown that the equations
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Magnetohydrodynamic Free-Convection Pipe Flow
Journal of the Aerospace Sciences, 1961Comparison of Flow-Direction Probes at Supersonic Speeds FRANK W. BARRY 750 I HAS BEEN SHOWN 1 tha t transverse magnetic fields of practica strengths exert considerable influence on liquid-metal, freeconvection, vertical, flat-plate and parallel-plate flow fields.
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1967
Publisher Summary This chapter focuses on the advances in free convection. The average treatise on heat transfer dismisses free convection in a single chapter. It is, nevertheless, potentially as large a subject as forced convection and has developed rapidly within the last decade.
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Publisher Summary This chapter focuses on the advances in free convection. The average treatise on heat transfer dismisses free convection in a single chapter. It is, nevertheless, potentially as large a subject as forced convection and has developed rapidly within the last decade.
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Free convection at low Prandtl numbers
Journal of Fluid Mechanics, 1969In this paper it is shown that the free convection boundary layer approaches a singular character if the Prandtl number tends to zero. The method of matched asymptotic expansions is used to integrate the equations for this extreme case. An expression is derived for the Nusselt—Grashof relation and the results are compared with those of previous ...
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Aggravated Ozone Pollution in the Strong Free Convection Boundary Layer
Science of the Total Environment, 2021Bo Hu, Guiqian Tang, Tingting Li
exaly