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1991 articles for “and temperature” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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A Review on Slow Pyrolysis by using Fixed Bed Pyrolyzer using Different Biomass
Abstract: This paper presents the literature survey of slow pyrolysis; an economical thermochemical process to produce bio-oil. In slow pyrolysis, the low temperature (up to 500°C), low heating rate and longer vapor residence time (up to 30 min) which produced 25 to 45% bio-oil, bio-char 35 to 50% and pyro-gas 30 to 50%. Pyrolysis yield such as bio-oil, bio-char and pyro-gas depends on temperature, heating rate, sweeping gas effect, initial moisture …
Published in Journal of Thermal Engineering and Applications · Vol. 3, Issue 2, 2016 · pp. 18–21 Read article
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Thermal Analysis (Energy and Exergy) of Crystalline Silicon Solar Photovoltaic Module for Hazy Day
Abstract: Abstract With the growing population, demand for a renewable energy source has reached to peak level. It is necessary to have that source available easily and in sufficient quantity so that with the diminishing non-renewable source, basic need of energy can be fulfilled. This source can be the all-time available source, ‘solar energy’. Concern of most of the countries is just to make the availability of this source better and …
Published in Journal of Thermal Engineering and Applications · Vol. 3, Issue 3, 2016 · pp. 8–19 Read article
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Performance and Degradation Analysis of PolyCrystalline PV Modules Installed in Tropical Conditions
Abstract: In this paper, practical field performance of poly-crystalline solar photovoltaic (PV) modules, which were installed at rooftop of the department of electrical engineering BVRIT, has been studied and the correlation between efficiency, temperature and degradation rate of modules as per STC conditions has been presented. The nominal output power of the PV module considered for the study is 240 Wp and the panel is compressed of 60 cells in a …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 4, Issue 3, 2016 · pp. 5–10 Read article
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Thermo Analysis and Optimization Design of Industrial Vapor Compression Refrigeration Systems
Abstract: A thermodynamic analysis is performed on three different configurations of R134a two stage vapor compression refrigeration systems designed to equip cold store rooms. For economic and commercial reasons relating to agricultural actvities in southern Tuniens, two seasonal food products, dates and poultry, are selected for storage at different temperatures. Performance optimisation of the refrigeration systems is investigated under various operating conditions in order to choose the most suitable for the …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 2, Issue 1, 2015 · pp. 30–54 Read article
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Analysis of Flow in Calandria Type Evaporator Using CFD
Abstract: Evaporation is the vital process involved in the sugar industry as this determines the quality and their efficiency at the earlier stage of production. Factors affecting the evaporation process are mass flow rate, temperature, pressure and velocity. Since flow of the sugar solution within the evaporator has a major impact on its overall performance a detailed study on it will be much useful to improve the efficiency. The flow of …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 2, Issue 1, 2015 · pp. 55–65 Read article
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THEORETICAL ANALYSIS OF ADVANCED PARABOLIC RECEIVER FOR DIRECT STEAM GENERATION
Abstract: Solar thermal power generation using water as a Heat Transfer Fluid (HTF) has gained interest recently, due to its ability to generate steam directly from the receiver tube. In this paper, a new theoretical model of receiver called Concentric Parabolic Trough Receiver (C-PTR) for direct steam generation is presented. The proposed model consists of Phase change material (PCM) sandwiched between two concentric cylindrical tubes. Binary Solar Salt commercially known as …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 2, Issue 1, 2015 Read article
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Numerical Study on Thermal Performance Assessment of a Compact Heat Exchanger Equipped with Two Broken Twisted Strips
Abstract: Twisted strips are a widely used technique for heat transfer enhancement. In the present study, it proposed that two broken twisted strips aiming at achieving good thermohydraulic performance. Effects of the two broken twisted strips (BTS) on the heat transfer, friction factor and thermal performance factor behaviours in a heat exchanger are reported along with smooth duct. The computations are based on the finite volume method with the SIMPLE algorithm …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 2, Issue 2, 2015 · pp. 22–30 Read article
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Solar Humidity Control Unit with Hot Water Generation
Abstract: Abstract Our country lying in tropical region predominantly has high humidity in air in nearly three-fourth span of a year. Maintaining indoor comfort conditions in these conditions become expensive. This paper presents the design of an all-in-one solar-powered humidity control unit which will also provide hot water in the building. The configuration consists of indoor and outdoor units provided with evaporative coolers and desiccant units. The outdoor unit is coupled …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 2, Issue 3, 2015 · pp. 5–10 Read article
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Exergetic Analysis of Single Effect LiBr-Water Absorption Cooling System
Abstract: Abstract This paper presents the exergy analysis of single effect LiBr-Water absorption cooling system. The work is committed to the study, the evaluation and distribution of the destroyed exergy for each component constituting this kind of system. The thermodynamic models, derived using the first and second laws of thermodynamics, are employed in a computer program using the engineering equation solver (EES) software to perform the calculations. Influence of various operating …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 3, Issue 2, 2016 · pp. 41–48 Read article
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Thermodynamic Analysis of Single Effect, Double Effect and Multi Effect LiBr/H2O Vapour Absorption Refrigeration Cycle
Abstract: Abstract Energy is most important parameter in any industry. If energy is not saved, it would go waste. Vapour absorption refrigeration system is the best solution for waste heat utilization. The vapour absorption cycle has low COP compared to vapour compression cycle. So, study of thermodynamic analysis on cycle is required. In this study, COP and heat required for different cycles is compared. The COP of single effect, double effect …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 4, Issue 1, 2017 · pp. 43–55 Read article
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Stress Analysis of Variable Thickness FGM Rotating Disks by Element based Material Gradation under Thermomechanical Loading
Abstract: The present research work aims to analyze deformation and stresses, induced in functionally graded rotating disks of variable thicknesses. The disks are made of exponential functionally graded material, whose mechanical and physical properties vary in radial direction. Functionally gradation of the properties is achieved by element-based gradation. Uniform as well as variable thickness, namely concave profile, convex profile and linear varying profile rotating disks are analyzed for clamped-free and free-free …
Published in Trends in Machine design · Vol. 3, Issue 3, 2016 · pp. 32–42 Read article
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Statistical Optimization and Decolourization of Methyl Violet Using Peroxisdase from Radish
Abstract: Statistical optimization design based on Response surface methodology for the decolourization of methyl violet using peroxidase from radish (Raphanus sativus) was applied. Effect of four influencing parameters (pH, Temperature, Dye concentration, enzyme volume) on decolourization was studied using One Factor At a Time (OFAT) method. The factors were optimized using RSM based on Box- Behnken design and analyzed for its significance through Analysis of Variance. The optimized operating conditions for …
Published in Journal of Water Pollution & Purification Research · Vol. 1, Issue 1, 2014 · pp. 20–29 Read article
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Use of Rice Straw as an Adsorbant to Eliminate Waste Color of Textile Industry Wastewater
Abstract: Textile wastewater contains different colors which are harmful to the environment. The removal of dyes from effluent using adsorption process provides an attractive alternative treatment, especially if the adsorbant is inexpensive and readily available. In this present research paper natural adsorbant rice straw is used for removal of color from waste effluent of textile industry. The adsorbant prepared was employed for the removal of color at the different doses. The …
Published in Journal of Water Pollution & Purification Research · Vol. 1, Issue 3, 2014 · pp. 18–21 Read article
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Sustainability of Asphalt Pavement in Terms of Crack Healing Phenomena: A Review
Abstract: Abstract The Asphalt concrete mixture is considered to have nonlinear viscoelastic behavior, its fatigue life consists of two components, namely the resistance to fracture and crack, and the ability to heal the micro cracks. Both of the processes change with temperature and time. Such processes exhibit the sustainability potential of asphalt concrete pavement. The approach to study this potential requires mechanical tests like creep or relaxation, strength and repeated load …
Published in Trends in Transport Engineering and Applications · Vol. 3, Issue 2, 2016 · pp. 38–55 Read article
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Significance of Solution Combustion Synthesis (SCS) in Fabrication of Carbon Doped Organometallic Alumina
Abstract: Present work signified the potential of high temperature solution combustion synthesis (SCS) in rapid fabrication of “covalent-ionic” bonded organometallic aluminate. Natural herb “Piper longum” was used to obtain carbon. Aluminum nitrate served as a base chemical for oxide transformation. Exothermic platform for ignition was provided by propellant urea. Overall explosive decomposition of solution based precursor materials on typical temperature 700°C results in formation of organometallic C-γ-alumina in a well dry …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 17, Issue 1, 2015 · pp. 11–16 Read article
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Sustainable Fuel Production by Thermocatalytic Decomposition of Methane using Ni/ZnO Catalyst
Abstract: Abstract Thermo catalytic decomposition of methane (TCD) is a promising method to produce COx free hydrogen and carbon. In this study, Nickel supported on zinc oxide (Ni/ZnO) catalyst for the hydrogen production through thermo catalytic decomposition of methane was reported. The effect of Ni weight percentage (10%, 20%, 30% and 40wt %) and reaction temperature (650, 700, 750 and 800ºC) with ZnO catalyst was performed for hydrogen production studies at …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 19, Issue 2, 2017 · pp. 1–7 Read article
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Finite Element Analysis of Steam Turbine Components for Real Life Assessment Studies of 210 MW Steam Turbine
Abstract: The turbine rotor or steam turbine rotor is subjected to temperature variations in short periods of time due to the start and stop cycles of the turbine. This causes sudden changes in the temperature with transient thermal stresses being induced into the turbine rotor. The transient effect is due to the changes in the material properties like density, specific heat and Young’s modulus. The estimate of thermal stresses induced in …
Published in Trends in Mechanical Engineering & Technology · Vol. 2, Issue 2, 2012 · pp. 6–16 Read article
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Combustion Analysis of Ethanol in An HCCI Engine
Abstract: Improving fuel economy and reducing emissions are two major challenges being faced by the automotive industry. Alternative fuels and new combustion concepts are emerging to combat both pollution and fuel crises. Of late, the concept of Homogeneous Charge Compression Ignition, has been receiving increased attention due to its potential for simultaneously reducing fuel consumption, NOx and Particulate Emissions. In particular, in HCCI engine research, where combustion is regarded to be …
Published in Trends in Mechanical Engineering & Technology · Vol. 3, Issue 2, 2013 · pp. 1–9 Read article
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Additives and EGR Process for the Exhaust Gases in Compression Ignition Engine
Abstract: Exhaust gases is the most prompt topic in current situation. Exhaust gases badly affect the environment, human and other living organism so, controlling of exhaust gases is very essential. Today automobile vehicles particularly diesel engine vehicles emit more exhaust gases, so for the controlling of exhaust gases we can use additives in fuel and EGR process together. When the additives are mixed with fuel, a cylinder pressure decreases and ignition …
Published in Trends in Mechanical Engineering & Technology · Vol. 4, Issue 1, 2014 · pp. 1–5 Read article
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Taguchi based Modeling and Optimization of Tool Wear Rate in Die-Sink EDM
Abstract: With the increasing demand for new, hard, high strength, and temperature-resistant materials in various engineering applications, especially in the field of mold manufacturing, aeronautic, automobile and die manufacturing industries, the development and application of electro-discharge machining (EDM) has become increasingly important to machine such difficult to machine hard materials. In this paper, the machining of EN-31 Die steel using EDM with a copper electrode by using Taguchi’s experimental design and …
Published in Journal of Production Research & Management · Vol. 2, Issue 1, 2012 · pp. 30–35 Read article