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317 articles for “Heat rate”
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Neuro-Fuzzy Technique Based Fault Diagnosis in Shell and Tube Heat Exchanger
Abstract: In order to transfer heat between two different medium or else the same medium heat exchanger is used. It is most widely used in oil refineries and other large chemical processes, and it is also suitable for high-pressure applications. Because of the change in process parameters, the general warmth exchange rate will be reduced in the heat exchanger. In order to rectify it, the possible faults developed in the heat …
Published in Journal of Instrumentation Technology & Innovations · Vol. 6, Issue 2, 2016 · pp. 21–27 Read article
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Solar Heat Pipe Design and Heat Loss Analysis
Abstract: Abstract: This paper is detailed on the design and heat loss analysis of solar heat pipe. Solar heat pipe is thermal device which use to transfer abundant amount of solar energy to working fluid through very smaller cross section area. Solar heat pipe server so many applications in engineering, i.e., water heating system, aerospace application, refrigeration and air conditioning and process industries. The design of heat tube includes finding diameter …
Published in Journal of Thermal Engineering and Applications · Vol. 6, Issue 1, 2019 · pp. 24–28 Read article
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Revamp of Feed Preheat Network Using Aspen Hysys in a Kero Hydro-Desulphurization Unit
Abstract: The paper is based on the revamp of feed preheat network in a Kero hydro-desulphurization unit. This revamp is beneficial as it does not require additional equipment to raise the feed temperature. Desulphurization of crude is a catalytic process used in oil and gas refining industry to remove sulphur content from refined petroleum products. Previously, feed was charged from the crude distillation unit at 103°C. Due to envisaged changes, the …
Published in Journal of Petroleum Engineering & Technology · Vol. 7, Issue 2, 2017 · pp. 29–38 Read article
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Power Reduction at 90 nm through Circuit Level Modification
Abstract: Along with dynamic power, leakage power has turned out to be a major contributor to the overall power consumption in VLSI circuits. This problem is even more stringent in nano-scale dimension devices according to the International Technology Roadmap for Semiconductors (ITRS). As the technological advancements demand more function per device with a significant shrinking in device dimension, heat per unit area is also escalating at an elevated rate. This turns …
Published in Journal of VLSI Design Tools and Technology · Vol. 2, Issue 1-2-3, 2012 · pp. 101–107 Read article
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A Review on Thermodynamic Analysis of thermal Heat Dissipating Fins
Abstract: The Engine chamber is one of the essential motor components, that is exposed to extreme temperature varieties and thermal burdens. Balances are set on the outer layer of the chamber to improve the measure of Heat & mass transfer by convection. For thermal investigation of the motor chamber blades, it is more gainful to know the Heat & mass transfer dissemination inside the chamber. Present review has been done to …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 8, Issue 2, 2021 · pp. 13–21 Read article
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Feasibility Study of using Electric Down-hole Heating to Improve the Productivity for a Heavy Oil Field
Abstract: The largest hydrocarbon reserves around the world are mostly heavy oils. Electrical Down-hole Heating (EDH) is a widely used technique for heavy oil production; when it is combined with Enhanced Oil Recovery (EOR) methods, it can overcome its limitations. Considering limited previous studies for the designing of EDH for Sudanese fields, this paper presented the feasibility of using this system by simulating the actual well situation and provided several scenarios …
Published in Journal of Petroleum Engineering & Technology · Vol. 11, Issue 1, 2021 · pp. 52–68 Read article
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Analysis of Porous Media Tube Cooling in a Rankine Cycle SCO2 Heat Exchanger
Abstract: This paper presents analysis of a supercritical CO2 (SCO2) shell and tube heat exchanger for use in a waste-energy recovery Rankine cycle. Heat transfer augmentation through the use of porous media to cool the tube side of the heat exchanger is presented. The variability of the specific heat of SCO2 at high side (shell side) pressure 20 MPa and low side pressure (tube side) of 12.4 MPa is presented. Second …
Published in Journal of Thermal Engineering and Applications · Vol. 3, Issue 1, 2016 · pp. 1–17 Read article
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Determination of Effect of Temperature on Bacteria and Fungi (Salt and Fresh Water)
Abstract: This study investigates the effect of temperature on bacterial and fungal activity in fresh and saltwater environments contaminated with crude oil. Utilizing standard characterization techniques, pure cultures of bacteria and fungi were isolated and identified. A bioreactor setup was employed to assess microbial growth and heat generation at varying temperatures (15°C to 120°C) over a 6-hour period. The results demonstrated that temperature significantly influences microbial activity, with bacterial growth rates …
Published in Journal of Petroleum Engineering & Technology · Vol. 15, Issue 1, 2025 · pp. 01–08 Read article
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Experimental investigation of humidification-dehumidification desalination system
Abstract: The aim of present study is to investigate an H-DH desalination system experimentally. The system consists of a solar air heater, a humidifier, and a dehumidifier connected with an evaporative cooler. The proposed system is operated in a closed loop configuration, at two airflow rates. The performance metrics are assessed via the examination of energy and economic factors. The solar air heater has the ability to produce hot air with …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 104–113 Read article
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Experimental Investigation of Dilution Control Using Advanced Gas Metal Arc Welding Process
Abstract: This work investigates the amount of reduction in dilution by using Advanced Gas Metal Arc Welding (AGMAW) process. Dilution is the ratio of area of the base metal melted to the total area of weld bead measured across a given weld bead cross section. Dilution is one of the most important factors governing the success of any surfacing operation and is expressed in percentage. The AGMAW is a self-coined word …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 1, Issue 3, 2014 · pp. 1–7 Read article
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Comparison of Experimental and Theoretical Results of Tool Wear Rate in Electrical Discharge Machining
Abstract: Though electrical discharge machining (EDM) process is capable for complex and precise machining of materials irrespective of their hardness, it has certain limitations like low material removal rate (MRR), high tool wear rate (TWR), etc. which restrict its application areas. In EDM, material removal from workpiece and tool takes place by means of sparking between them which is a quite complex process. So, it is difficult to predict material removal …
Published in Trends in Mechanical Engineering & Technology · Vol. 6, Issue 3, 2016 · pp. 53–57 Read article
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Passive Augmentation Studies in a Double Pipe Heat Exchanger with Ellipsoidal Dimples
Abstract: In this work, the numerical studies of heat transfer augmentation of a counter-current double pipe heat exchanger with ellipsoidal dimples (inward-facing, raised dimples) on the inner tube was performed using SOLIDWORKS software. The effect of dimple depth, dimple pitch and number of dimples/angles between two dimples on heat transfer was investigated at a constant volumetric flow rate of 4 LPM for hot (water) and cold (water) fluids. The effect of …
Published in Journal of Thermal Engineering and Applications · Vol. 13, Issue 2, 2026 Read article
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Implementation of Energy-efficient Axial Fans for Air Handling Unit Using AI Model
Abstract: This research explores the integration of energy-efficient axial fans in Air Handling Units (AHUs) within a large automotive manufacturing facility to enhance HVAC (heating, ventilation, and air conditioning) performance and reduce energy consumption. Standard AHUs in the facility’s clean rooms and other spaces utilize traditional blower fans, which primarily rely on static pressure, limiting their efficiency. By replacing these with electronically commutated (EC) axial flow fans, which leverage both static …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 11, Issue 3, 2024 · pp. 28–34 Read article
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Prediction of Weld Dilution Control by Advanced Gas Metal Arc Welding Process
Abstract: This work experimentally investigates the amount of reduction in Weld Dilution by using a comparatively new Advanced Gas Metal Arc Welding Process (AGMAW). The process represents GMAW process having a controllable pre-heating arrangement. The AGMAW process is used to break the fixed relationship between welding current and wire feed rate by using a separate power source, which preheats a certain section of wire (by I2R heating) before it emerges out …
Published in Journal of Production Research & Management · Vol. 1, Issue 2, 2011 · pp. 24–33 Read article
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Study on Solar Water Heater with Thermal Energy Storage System
Abstract: AbstractRenewable power supplies are progressively gaining increasing importance in all the nations. Specially, solar electricity, being non-polluting and inexhaustible, has obtained extensive interest among scientists and engineers. Although, there are many advantages, an essential factor is that solar power is time structured power source with an intermittent individual. Consequently, some form of thermal power storage (TES) is necessary for the only usage of this energy supply. Thermal energy can be …
Published in Journal of Nuclear Engineering & Technology · Vol. 10, Issue 1, 2020 · pp. 24–36 Read article
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Corrosion behavior of Friction stir welded aluminum alloys: A review
Abstract: A review on corrosion behavior of Friction Stir Welded aluminum alloys has been presented. Objective of the work is to discuss the behavior of Friction Stir Welded aluminum alloys under chloride environment. The variation of corrosion potential and corrosion rate for the welded portion and base metal and within the welded region for various zones like weld nugget, HAZ and TMAZ has been studied. Alloys of series 2XXX, 5XXX, 6XXX …
Published in Journal of Materials & Metallurgical Engineering · Vol. 9, Issue 1, 2019 · pp. 20–26 Read article
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Challenges In Design And Construction Of Radiant Floor Heating System In High Altitude Areas Of Ladakh Region
Abstract: This technical paper elaborates the pre-planning as well as execution strategies adopted in designing and implementing an efficient radiant floor heating system at Leh, Ladakh region. The extremely detrimental climatic condition of the region as well as the occupant comfort level was considered in evaluating the zone-wise heat load calculations of the buildings which has to be equipped with the heating system. Further the insulation specifications, temperature of the hydronic …
Published in Journal of Thermal Engineering and Applications · Vol. 9, Issue 2, 2022 · pp. 8–22 Read article
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Mechanism of Cryosurgery: A review
Abstract: The cryosurgery is a useful surgical technique in which the undesirable tissue such as tumors are easily removed by extreme cooling. Cryosurgery’s primitive benefit is that as a percutaneous method, it minimizes the invasiveness and cost associated with conventional surgery. Various types of Cryogens which are used in cryosurgery include nitrogen oxide, liquid nitrogen and liquid argon having boiling temperature of -89.5°C, -196°C, and -187°C respectively. Generally liquid nitrogen (LN2) …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 6, Issue 2, 2016 · pp. 1–5 Read article
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Enhancing Heat Transfer in Exchangers: Nanoparticle-enhanced Fluids for Improved Thermal Performance
Abstract: This research investigates the utilization of nanoparticle-enhanced fluids to improve the thermal performance of heat exchangers. Heat exchangers play a pivotal role in numerous industrial applications and energy systems, necessitating continuous efforts to enhance their efficiency. Nanotechnology has recently emerged as a promising avenue for achieving this goal. The study begins with a comprehensive review of existing literature, highlighting the significance of heat exchangers and the potential benefits of incorporating …
Published in Journal of Thermal Engineering and Applications · Vol. 10, Issue 2, 2023 · pp. 23–30 Read article
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Experimental Investigation of Overall Heat Transfer Coefficientin Drop wise Condensation
Abstract: The experiments are performed to study the heat transfer characteristics over a drop wise condensation. The phenomenon of drop wise condensation is in which the condensate forms into drops rather than covering the entire cooling surface with a continuous film. In drop wise condensation, heat transfer coefficient produced is 2 to 10 times greater than those produced by film wise condensation. Hence drop wise condensation is desirable as it is …
Published in Trends in Mechanical Engineering & Technology · Vol. 11, Issue 2, 2021 · pp. 17–21 Read article