To improve temperature difference, a computer simulation assessment for a rectangular duct with right angle confounds heat exchanger with small displacements and bewilder height was carried out. A total of 10 There were three separate two half Autocad models of rectangular shaped channel with bewilders spacing of 40 milimetre, 80 milimetre, and 120 milimetre and baffle heights of 10 mm, 12.5 milimetre, and 15 milimetre developed. The major goal of this study is to run computer simulations to see how Cu water nanoparticle affect the architecture and thermally hydrodynamic characteristics of a rectangular duct with baffles exchanger. The bottom walls of the canal, as well as the baffles, are regarded isothermal zones, whereas the sidewalls are termed regular zones. This approach employs a second derivative upwind mass and energy equation. The baffle pitch and height have a significant influence on the temperature distribution from the rectangle shaped channel heating element, with a maximal temperature fluctuations of 9.831oC and a maximum heat transfer of 6.571 KW for baffle spacing 40 mm and height 15 mm for rectangle channel without opposite baffles. In comparison to the base design of rectangle shaped channels exchanger, the temperature difference increases nearly 1.5 times as even the width is decreased.
The thermal performance of a heat exchanger depends upon various parameters like inlet temperature of hot fluid, type of hot fluid, type of cold fluid, the shape of baffles, the material of baffles, baffles angle, and property of ribs. Basically fluid flow and heat transfer characteristics largely depend upon the Reynolds number (Re). Reynolds number is basically the ratio of inertia force to viscous force. Re is only the factor by which we can decide whether the fluid is laminar or turbulent in shell and tube type of heat exchanger. The heat exchanger is an adiabatic device in which heat is transferred from one fluid to another fluid across a plate surface. In this paper, we have introduced some special types of triangular baffles with rectangular channels. The purpose of this apparatus is to enhance the performance of the heat exchanger. Heat exchangers, nowadays, are one of the most important heat & mass transfer apparatuses in industries like oil refining; heat treatment plants, electric power generation, etc. are long service life.
The main objective of the present work to perform thermal analysis on the deep grove ball bearing for different materials to enhance the thermal performance, for that three dimensional CAD model of deep groove ball bearing of 110 mm outer diameter, 70 mm inner diameter of rolling balls diameter of 9.525 mm with 12 balls have been used to perform thermal analysis for the stainless steel, high carbon chromium steel, metal matrix (Ti-6Al-4 V-12TiC), GCr15 steel, silicon nitride (Si3N4) and Zirconium dioxide (ZrO2). Results show that heat flux in chromium steel is 4.3% more than stainless steel, titanium ally 25.34% more than chromium steel, CCr15 63.015% more than titanium alloy, metal matrix (Ti-6Al-4 V-12TiC) 28.97% more than GCr15 steel and zirconium dioxide & silicon nitride gives 1.57 times more than metal matrix and other materials. It has been also observed that zirconium dioxide & silicon nitride gives 6.07 times total heat flux more than stainless steel, 5.78 times more than chromium steel, 4.41 times more than titanium alloy, 2.32 times more than CCr15 and 1.57 times more than metal matrix. Hence zirconium dioxide & silicon nitride have better thermal performance.
This article begins with an overview of solar stills. Energy from the sun can even now be used efficiently to acquire sufficient amounts of safe water from saline water in regions within which solar energy coating is higher. The main aim of this study is to evaluate how much water can be generated by a double slope solar stills basin and also to make a comparison in aspects of productivity with single slope solar still.
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