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Compact heat exchangers are those which provide large area for heat transfer, occupying very less space. Corrugated plate heat exchanger is a classification under compact heat exchangers. Experimental investigations have been undertaken to explore the pressure drop and friction factor characteristics in a corrugated plate heat exchanger. For a flui...
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The present research review emphasizes on the performance of Heat Exchanger with various types of augmentation techniques. Since Heat Exchanger are widely used in different industries, hence there is a need of utilization of various types of Heat Transfer enhancement Techniques (Active, Passive, combined), which in turns optimizes the performance o...
Citations
... Thermo physical property data of various blend constituents[9][10][11] ...
The present paper investigates the influence of organic blend antifreeze concentrations in the water to characterize the thermo physical properties as well as the performance parameters of a coolant fluid in cross-flow-type heat-exchanger systems. The performance characteristics of the selected coolant are also compared with pure water under similar working conditions. The influence of different operational parameters, such as rate of heat transfer, exergy change, entropy generation rate as well as irreversibility, has been studied using analytical methods. This study reports a maximum enhancement of heat transfer rate by 15% using a 25% glycerol solution as compared to water for the same coolant flow rate and inlet temperature. The present investigation found the heat transfer coefficient value to raise by around 7% with a 25% glycerol solution as a coolant in comparison to that of water. The present mathematical analysis reports an opportunity to use glycerol solution as an economic and flow-surface-friendly coolant in cross-flow heat exchangers.KeywordsIonic coolantsCross-flow heat exchangerExergyHeat transfer coefficientOrganic coolants
A mathematical model is developed to analyze the non-linear wave interactions (diffraction and radiation) with submerged body of arbitrary geometry in time domain using combination of high-order spectral method (HOSM) and boundary element method (BEM). In this method, HOSM used for the representation of free surface potential under kinematic and dynamic boundary conditions, and for body representation of the BEM is utilized. The current numerical model is validated with the previous study. Further, the present model is utilized to study the effect of various incident waves on free surface and also to study the vertical and horizontal drift forces on the submerged circular cylindrical-shaped body. The current numerical model can be implemented on practical applications to compute the forces and analyze the effect of it.KeywordsHigh-order spectral methodBoundary element methodFinite difference method
