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495 articles for “exchangeability”
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Enhancement in Heat Transfer Rate of Plate Fin Heat Exchanger using Triangular Winglets
Abstract: AbstractHeat transfer enhancement in heat exchanger leads to higher saving in terms of manufacturing and operational costs. However, parameter pertaining to pressure drops needs to be effectively analyzed so as to make a balance between pressure drop and effectiveness against the operation costs. This paper focuses on the use of triangular winglets in plate fin heat exchangers to enhance the rate of heat transfer. An obstacle is provided in the …
Published in Journal of Thermal Engineering and Applications · Vol. 5, Issue 1, 2018 · pp. 6–11 Read article
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Investigation of Performance Characteristics of Shell and Tube Heat Exchanger Using Helical Baffles with Parallel Flow and Counter Flow Arrangements
Abstract: AbstractShell and tube heat exchangers are widely used in process industries and refineries owing to ease of manufacturing and versatile operations. The designer always focuses on improvement in performance characteristics of STHX, based on the given heat duty and geometrical constraints. Several researchers and investigators have suggested various methods for performance optimization of shell and tube heat exchangers. In the present work, experimental investigation is performed using helical baffles in …
Published in Journal of Thermal Engineering and Applications · Vol. 6, Issue 1, 2019 · pp. 14–19 Read article
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Experimental Analysis on Longitudinal Finned Tube Heat Exchanger and Numerical Investigation on Parameters that Accrue the Overall Heat Transfer Coefficient
Abstract: The presence of nanofluids ascertained great augmentation in heat transfer. Several works have been done so far to parameterize the properties of nanofluid in relation to augmentation of heat transfer. In conjunction to this, the present work focuses on heat transfer within a longitudinal finned tube heat exchanger with simulated employment of nanofluids. Experimentation is done on longitudinal finned tube heat exchanger and the results were compared with numerical simulations …
Published in Journal of Thermal Engineering and Applications · Vol. 3, Issue 1, 2016 · pp. 29–41 Read article
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Optimization of Performance of Shell and Tube Heat Exchanger with Al2O3 Nanofluid as Working Fluid
Abstract: Heat exchangers are used to transfer heat between two process streams. Improving the rate of heat transfer as well as minimizing the pressure drop is one of the promising fields to focus on. Nanofluids with better thermo-physical properties can increase the heat transfer rate. In the present study, thermo-physical properties of Al2O3 nanofluid are compared with base fluid at different temperatures and the variation of heat transfer coefficient, output temperature …
Published in Recent Trends in Fluid Mechanics · Vol. 2, Issue 2, 2015 · pp. 18–25 Read article
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Techno-Economic Analysis using Ground Water Heat Exchanger for Cooling Purpose in SCOE Seminar Hall
Abstract: Buildings & indoor comfort conditions have been priority concerns for mankind since ever. This has led to development of Ventilation & Air-Conditioning techniques. This has resulted in activities that have adversely affected the environment. The rapid rate of depletion of the conventional energy sources; the increasing deforestation due to mining, human habitation & farming activities; the growth in pollution and harmful emissions into the atmosphere and consequent adversaries in form …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 8, Issue 2, 2021 · pp. 8–12 Read article
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Analysis of Heat Transfer in a Heat Exchanger with Triangular Fins Using Finite Element Modeling
Abstract: The influence of radiation and convection on a catalytic reactor's triangular heat exchanger fins are examined. Heat escapes from the surface by radiation and convection having being transported by conduction throughout the fin. Convection and radiation enable the fin's tip to lose heat, whereas the base of the fin is kept at a constant high temperature. One of the walls is taken for consideration because of its symmetry and ease …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 10, Issue 3, 2023 · pp. 16–23 Read article
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Experimental Analysis of Automotive Exhaust Heat Exchanger for Thermal Uniformity
Abstract: AbstractThe I.C. Engines are losing large amount of heat into environment directly. This waste heat can be reused for other purpose like TEG, Air conditioning etc. A heat exchanger is a device that is used to transfer thermal energy between two or more fluids, between a solid surface and a fluid, or between solid particulates and a fluid, at different temperatures and in thermal contact. In case of TEG there …
Published in Journal of Thermal Engineering and Applications · Vol. 5, Issue 1, 2018 · pp. 1–5 Read article
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Enhancement in Heat Transfer Rate in a Pipe in Pipe Heat Exchanger Using Helical Insert
Abstract: AbstractHeat transfer enhancement techniques are frequently used in heat exchanger system in order to increase the rate of heat transfer and improve the thermal performance of the system. This paper contains experimental study on enhancement in heat transfer rate using helical insert. The inner tube used was of copper with inner and outer diameter of 11.8 mm and 12.7 mm, respectively, and outer tube was galvanized iron, which was insulated …
Published in Journal of Thermal Engineering and Applications · Vol. 5, Issue 2, 2018 · pp. 5–12 Read article
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Study and Influence of heat transfer Characteristics in a Heat Exchanger by using Nanofluids: A Review
Abstract: AbstractHeat transfer play an important role in various applications like Radiator in Automobiles, Refrigerators, Electronic equipment’s etc. Therefore, heat transfer effectiveness can limit the related power utilization. The method for increasing heat exchanger effectiveness is to build higher conductivity of working liquid. The endeavor of this review summarizes the different research work articles on the improvement of the various heat transfer characteristics in heat exchangers utilizing nanofluids on two categories. …
Published in Journal of Thermal Engineering and Applications · Vol. 5, Issue 3, 2018 · pp. 24–29 Read article
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Automation of Heat Exchanger System using DCS
Abstract: Heat exchangers are built for efficient transferring heat from one fluid to another. They have an extensive demand in areas such as petroleum, refineries, chemical plants, petrochemical plants, natural gas processing, refrigeration, power plants, air conditioning, space heating and process industry. Automation of Heat exchange can be done optimally using PID Block. Using PID function block the outlet fluid temperature can be maintained as desired. The automation of Shell and …
Published in Journal of Control & Instrumentation · Vol. 5, Issue 1, 2014 · pp. 22–28 Read article
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A Review of Experimental and Numerical Investigation on the Heat Transfer in Micro-Channel Heat Exchanger for Various Nano Fluids
Abstract: AbstractA tremendous amount of work has been carried out on micro and nanoscale heat exchanger. Cooling requirement is increasing day by day in field of, high performance Aircraft gas turbine engines, Heat pumps, Air conditioning, Heat recovery ventilators, Integrated circuits (IC), VLSI devices, Computer chips, Printed circuit boards and biomedical applications etc. Many investigators focused on parameters such as Reynolds number, cross cut length, pressure drop, particle concentration of Nano …
Published in Recent Trends in Fluid Mechanics · Vol. 5, Issue 3, 2018 · pp. 1–7 Read article
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A Review on Shell and Tube Heat Exchanger Design Optimization
Abstract: Shell and Tube Heat Exchangers are extensively used throughout the process industry. The design optimization of S&T Heat Exchanger involves the consideration of many interacting design parameters which can be summarized as Process fluid allocation to shell side or tube side, setting pressure drop design limitation, setting velocity limits, fouling coefficients, selection of type of heat exchanger, layout as per TEMA and number of passes. Different Tube parameters like size, …
Published in Trends in Machine design · Vol. 5, Issue 2, 2018 · pp. 42–53 Read article
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Enhance the Thermal Performance and Fluid Flow Behavior in Micro-Tube Heat Exchangers with Variable Fluid Properties for Cooling Applications
Abstract: This paper focus on the substantial effects of fluid property changes and phase change events, this study provides a comprehensive transient assessment of the heat exchanger's thermal performance and fluid flow behaviour for cooling and dehumidification applications. In response to a step-change perturbation, a dynamic model was created and co-simulated to describe the moist air (shell-side) and the two-phase refrigerant (tube-side), as well as their non-linear interactions. The significant correlation …
Published in Journal of Thermal Engineering and Applications · Vol. 13, Issue 2, 2026 Read article
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Application of Hill Climbing Algorithm for Optimization of Plate Fin Heat Exchanger
Abstract: This paper demonstrates the application of Hill Climbing algorithm for the design optimization of Plate-Fin Heat Exchanger (PFHE). Maximization of the effectiveness and minimization of the total annual cost are considered as two objective functions. Thermal modelling is done by ε-NTU method to estimate the heat exchanger effectiveness and pressure drop. Fin pitch, fin height, fin offset length, cold stream flow length, no-flow length and hot stream flow length are …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 2, Issue 1, 2015 · pp. 1–6 Read article
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Earth Tube Heat Exchanger for Space Heating and Cooling: a Review
Abstract: AbstractMaking heating and cooling policies for good climate regions societies should think the requirement of present cities as well as traditional agriculturalists. Successful heating and cooling modes must be economically reliable in both urban and rural areas setups as well as environmentally friendly and sustainable. One low energy option for conditioning space is to allow ambient air to pass through the earth pipe, which is long-buried tube inside the upper …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 9, Issue 2, 2019 · pp. 11–22 Read article
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A Thermal Review and Simulation of An Earth Tube Heat Exchanger
Abstract: AbstractConventional energy is the renewable source of energy. It is the best source of energy and free in nature also in abundance. At the present situation, heating and cooling is a major concern in environment due to global warming. Air conditioning systems has been developed to resolve major part of energy is being engaged in such issues. So, Earth tube heat exchanger is a renewable source of energy for heating …
Published in Journal of Nuclear Engineering & Technology · Vol. 9, Issue 3, 2019 · pp. 1–10 Read article
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A Thermal Review and Simulation of Renewable Tube Heat Exchanger – A Review
Abstract: AbstractRenewable energy is the conventional source of energy. It is the endless source of energy and quality available in nature. At the present scenario, heating and cooling is a major concern in environment due to global warming. Air conditioning systems has been developed to resolve major part of energy is being engaged in such issues, which also causes global warming. Renewable tube heat exchanger is a renewable source of energy …
Published in Journal of Nuclear Engineering & Technology · Vol. 10, Issue 2, 2020 · pp. 9–17 Read article
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Improvised Diffie Hellman Key Exchange Protocol
Abstract: Protecting exchange of data over an insecure network is very crucial to maintain confidentiality. Diffie- Hellman protocol is a fundamental key exchange method and has proved to be a secure mechanism to securely exchange the cryptographic keys. Ralph Markel developed this idea, which has got its name from Whitfield Diffie and Martin Hellman. In this protocol, the recipient and transmitter generate a standard secret key and then start talking to …
Published in Journal of Communication Engineering & Systems · Vol. 11, Issue 3, 2021 · pp. 21–27 Read article
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Mitigating Economic Denial of Sustainability in a Cloud Environment by Using Key Exchange
Abstract: The Cloud Computing is a model to enable service ubiquitous, expedient and on-demand of users. It provides network access to a pool of computing resources like networks, servers, data storage, and applications. Cloud is large pool of resource and services through which we can get service or resource whenever needed by paying amount used. Cloud provides services though mobile phones, laptops and personal digital assistants. Security has emerged as one …
Published in Journal Of Network security · Vol. 3, Issue 3, 2015 · pp. 9–16 Read article
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Hydraulic and Thermal Performances of a Counter-Flow Heat Exchanger with Fins
Abstract: Computational analysis has been conducted to examine the flow and heat transfer characteristics in a two-dimensional iso-thermal-fluxed circular-duct fitted with fins. The computations are based on finite volume methods employed with the simple algorithm. Paper reports are based on the computational fluid dynamics (CFD) modelling studies on laminar flow heat transfer, friction factor and thermal performance of a counter-flow heat exchanger equipped with two types of tube insert, one including …
Published in Journal of Thermal Engineering and Applications · Vol. 2, Issue 3, 2015 · pp. 14–20 Read article