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15 articles for “mass flow rate”
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A study on effects of mass flow rate and compressor pressure ratio on gas turbine cycle performance
Abstract: Gas turbines are rotating machines that work based on the energy of gases from combustion. Each gas turbine includes a compressor to compress air, a combustion chamber to mix air with fuel and ignite it, and a turbine to convert the energy of the hot, compressed gases into mechanical energy. Gas turbines have many advantages over steam turbines, such as small volume, quick installation, quick start-up, easy operation and the …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 8, Issue 2, 2022 · pp. 1–8 Read article
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Experimental Investigation of Three Pass Helical Coil Heat Exchanger Keeping Constant Mass Flow Rate of Tube Fluid
Abstract: Heat exchanger is an adiabatic steady flow, open system in which two flowing fluid exchange or transfer heat without loosing or gaining any to the ambient. Heat exchangers are the important engineering systems with vast variety of applications including power generation, heating ventilation and air conditioning systems, nuclear, heat recovery systems, food and paper industries and many more. Helical coil structure configuration is very effective for heat exchangers because it …
Published in International Journal of Mechanics and Design · Vol. 6, Issue 2, 2020 · pp. 17–22 Read article
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Thermal Management Of Cylindrical Lithium-Ion Battery Using A Wavy Tube
Abstract: To maintain a proper temperature range and eliminate local temperature disparities, thermal management is required for lithium-ion batteries in electric vehicles. A wavy tube is presented for a liquid cooling cylindrical lithium-ion battery module in this research. On the suggested battery module, three-dimensional transient simulations were run, and numerical improvements were made by changing the wavy contact angle of the wavy tube. The heat dissipation efficiency and temperature field homogeneity …
Published in International Journal of Manufacturing and Materials Processing · Vol. 9, Issue 2, 2023 · pp. 10–22 Read article
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Thermodynamic Analysis of Evacuated Tube Solar Collector based Water Heating System: Experimental Approach
Abstract: Energy from the sun is the most profuse and least extracted source of energy ever used in the history of usable resources. Current work aims to harness solar energy for heating water and put it into use by maximizing its effect through evacuated tube solar collector (ETSC). In this work, the effect of low mass flow rates on thermodynamic performance (energy efficiency, exergy efficiency and rate of irreversibility) of an …
Published in International Journal of Electrical Power System and Technology · Vol. 11, Issue 1, 2025 Read article
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Study of the Fuel Injector Nozzle of the CI Engine
Abstract: A nozzle is a compounds present on all gas turbine engines. that produces thrust, redirects exhaust gases backinto the streaming site, and maintains mass flow rates. There are many various varieties of nozzles, butdivergent and convergent nozzles are the ones that are most normally utilized. The paper discussed variousfluids flowing at different velocities and convergent and divergent nozzle diameters. Thermal and chemicalenergy are transformed into kinetic using the nozzle. The …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 8, Issue 2, 2022 · pp. 30–35 Read article
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Isothermal CSTR Heat Exchanger Rating Models for Acetic Acid Production using Homogeneous Catalysed Reaction
Abstract: This work deals with the development of design models for heat exchanger rating in homogeneouscatalytic acetic acid production at isothermal condition exploiting the derived continuous stirred tankreactor heat generation per unit volume equations at constant temperature. Coil in tank heatexchanger is invoked for this study resulting to novel design equations which were stochasticallyexamined and found to be capable of simulating the rating performance dimensions as a function ofkinetic parameters. The …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 7, Issue 1, 2021 · pp. 14–28 Read article
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Modeling and Simulation of Double-Pass Flat Plate Solar Air Heater Without Porous Media
Abstract: The double-pass solar collector with porous media in the lower channel provides a higher outlet temperature compared to the conventional double-pass collector without porous media. Therefore, the thermal efficiency of the solar collector is higher. A theoretical model has been developed for the double-pass solar collector. The porous media has been inserted to increase heat transfer, area density and the total heat transfer rate. Comparisons of the theoretical and the …
Published in International Journal of Computer Aided Manufacturing · Vol. 3, Issue 2, 2017 · pp. 1–10 Read article
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Performance Enhancement and Improvement of Energy Efficiency in Evacuated Tube Heat Pipe Collector with Nanocomposite: A Review
Abstract: Solar collector tube is used to combine incident energy and convert it into heat energy. Recently several studies have been done on improving the performance of the solar collector. Solar energy is clean energy and does not create pollution. The sun gives more power than we need. Solar collector consists of an absorber unit which transfers the heat energy of the sun to a working fluid. It is easily seen …
Published in International Journal of Metallurgy and Alloys · Vol. 7, Issue 1, 2021 · pp. 27–31 Read article
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Computation of Gas Turbine System as Renewable Energy Conversion Mechanisms
Abstract: In the present work thermo-economic analysis of a cogeneration cycle is carried out so that any power generation industry can choose best power generation system out of the choices available with organisation. Mathematical modeling for the cost evaluation of each component is developed and results are obtained with computational programming tool EES (Engineering Equation Solver). Form results it is being found that with change in combustion chamber outlet temperature or …
Published in International Journal of Composite and Constituent Materials · Vol. 2, Issue 1, 2016 · pp. 10–15 Read article
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Investigation of Mass Transfer Coefficient and Gas Hold Up and Bubble Size Distribution in Novel Design of Stirred Tank Reactor
Abstract: Stirred tanks are commonly used in chemical industries for reaction and separation. Large-scale reactors include many impellers to improve mixing performance. Agitator plays an important role during the gas-liquid contact in two phase flow. And it is very necessary to know for the understanding of any gas-liquid system. So, in this study my motto is to study which parameters affects in the mixing of gas inside the liquid. The parameters …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 8, Issue 2, 2022 · pp. 5–12 Read article
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Studies on Mass and Momentum Transfer at the Outer Wall of a Circular Conduit with Entry Region Spiral Tape Wound on Rod as Turbulence Promoter in Homogeneous Flow
Abstract: In this study, an experimental investigation is carried out for augmentation of mass transfer coefficients in homogeneous flow by inserting spiral tape wound on rod in a circular conduit. Mass transfer coefficients are evaluated from the limiting current densities and the concentrations of the reacting ions. The variables studied are the geometric parameters of the promoter width, height, pitch of the promoter and the flow rate of the electrolyte, each …
Published in International Journal of Chemical Engineering and Processing · Vol. 1, Issue 1, 2015 · pp. 41–62 Read article
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Continuous Counter-current Liquid–Liquid Extraction in a Packed Column: Experiments and Simulations using Aspen Plus
Abstract: The liquid–liquid two-phase mass transfer in a packed column was examined by varying acetic acid concentrations in the feed, solvent to feed flow rate S/F ratio using random packing. The overall volumetric mass transfer coefficient, percentage extraction, Number of Transfer Units were determined quantitatively. Simulation results were validated with experimental data and optimization of number of stages was done by using Aspen Plus. From the results obtained in the packed …
Published in International Journal of Chemical Engineering and Processing · Vol. 7, Issue 2, 2021 · pp. 1–9 Read article
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Enhancement of Heat Transfer Coefficient in Shell and Tube Heat Exchanger Using 1-Butyl-3-Methylimidzaolium Bromide
Abstract: Improvement in heat transfer coefficient in heat exchanger plays very important energy saving role in the industries. In this study the effect of ionic liquid on HT coefficient was studied using a lab scale shell and tube heat exchanger (length-39 cm, shell diameter 9 cm, Tube diameter 0.62 cm). Also the effect of cold and hot flow rate on heat transfer coefficient, Effect of mass concentration of ionic liquid was …
Published in International Journal of Chemical Separation Technology · Vol. 2, Issue 1, 2016 · pp. 11–18 Read article
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Studies on mass transfer in annular conduits with coaxially placed entry region vane assembly as turbulence promoter in homogeneous flow
Abstract: Studies on mass transfer in annular conduits with coaxially placed entry region vane assemblies as turbulence promoter in homogeneous flow were presented in this paper. The electrolytes used were equimolal potassium ferricyanide, potassium ferrocyanide and excess sodium hydroxide. Limiting current data had been obtained for the reduction of potassium ferricyanide ion. The mass transfer correlation is based on law of the wall similarity. The variables covered in this study are …
Published in International Journal of Chemical Engineering and Processing · Vol. 1, Issue 2, 2015 · pp. 7–18 Read article
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Characterization and Kinetic Study of Sugarcane Bagasse for the Production of Bio-oil Over Monodispersed Fe2 O3 and ZSM-5 Composite
Abstract: The shortage and price scramble of fossil fuels accompanied by vast CO2 emissions have triggered a worldwide search for alternative and sustainable resources. Wind, solar, geothermal, biomass, and water are the most commonly used alternative energy sources. The biomass residues are typically at low cost and readily availabile, and has been used as feedstocks for synthesis of renewable energy. To produced the bio-fuels from biomass residues, several reaction pathways categorized …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 9, Issue 2, 2023 · pp. 1–13 Read article