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226 articles for “cooling effects”
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Influence of Internal and External Dampings on Shaft Whirl Speeds
Abstract: A mathematical model is developed for the estimation of rotor forward and backward whirl speeds by considering the stationary and rotational dampings. Stationary damping includes external viscous damping in the bearings and rotational damping includes internal viscous and hysteretic damping in the shaft material. The rotors in gas turbines and steam turbines commonly used in military and commercial rotating machines operate at high speeds. These rotors are provided with a …
Published in Trends in Machine design · Vol. 3, Issue 3, 2016 · pp. 1–11 Read article
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The Analysis of the TEG Peltier Heat Collecting Device in the 1.5 HP Split Unit Air Conditioning System
Abstract: Energy recycling is a different approach to creating a green environment in the modern world. Global energy usage is highest for air conditioning. Commonly air conditioning used to maintain indoor temperature. Split unit air conditioning systems are well-known for their small-area applications in Malaysia. Nevertheless, the condensing unit's heat discharge results in environmental waste. As a result, in this experiment, one peltier device employing a thermoelectric generator (TEG) module was …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 12, Issue 3, 2025 · pp. 14–21 Read article
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Autecological Study on Seed Germination and Growth Analysis of a Fodder Crop Medicago Sativa L.
Abstract: AbstractThe ecological factors that affect vegetation are climatic, edaphic (soil) and biotic. The major climatic factors are temperature, light, wind and water. It is now a well-known fact that temperature is globally affecting the flora and fauna and it may soon manifest into a major problem. To overcome this problem, mankind must evolve a suitable genotype, which will be able to withstand global warming and sustain itself, thus maintaining the …
Published in Research & Reviews : Journal of Ecology · Vol. 2, Issue 2, 2013 · pp. 1–7 Read article
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The Role of Color in Influencing Consumers
Abstract: Marketers have long used color's ability to attract customers' attention. Products with attractive packaging will definitely attract the attention of customers and differentiate themselves from other products on the shelf. Many studies have shown that color dulling can occur when the representation of color relationships is not consistent. Thus, the purpose of this study is to comprehend how color influences consumers. In order to find out the participants' preferred colors, …
Published in International Journal of Behavioral Sciences · Vol. 1, Issue 1, 2024 · pp. 39–49 Read article
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A Review on Earth-Air Heat Exchanger Systems
Abstract: AbstractEarth-air heat exchanger (EAHE) is a system which uses the heat and cool of ground and is utilized for the space heating and cooling purposes. Performance of EAHE is dependent on the thermal properties of soil. If the thermal quality of soil is poor so the pipe is to be buried at more depth. The concept exploits the subsoil thermal energy and uses it for producing indoor thermal comforts in …
Published in Recent Trends in Fluid Mechanics · Vol. 7, Issue 1, 2020 · pp. 9–14 Read article
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Effective Reduction of Emissions of a DI Diesel Engine fuelled with Biodiesel and Diesel Blends with Oxygenated Additives
Abstract: Fatty acid methyl ester, popularly called biodiesel, has become more prominent alternate fuel for diesel engines on the basis of single-fuel concept. Since use of neat biodiesel on a large scale is raising certain constraints, both in terms of long-term availability of feed stock, fertile land and high NOx emissions, biodiesel is being adopted in blended form with petro-diesel fuel as B20 or B40. However, the HC and NOx emissions …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 3, Issue 2, 2012 · pp. 1–10 Read article
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Dynamic Simulation of Load-Responsive Vapor Compression Refrigeration Systems
Abstract: Because of their dependable operation and effectiveness, vapor compression refrigeration systems, or vapor compression refrigeration (VCRS), have become popular in commercial, industrial, and residential settings. However, under different thermal loads, classic vapor compression refrigeration (VCR) systems may perform less well in that they are usually built for steady-state conditions and run at consistent speeds. In order to improve a load-responsive VCR system’s flexibility, energy efficiency, and response to changing cooling …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 12, Issue 2, 2025 · pp. 32–37 Read article
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Assess the Effectiveness of Progressive Muscle Relaxation Therapy on Health Status among Blood Cancer Patients Receiving Cancer Treating Medications in Selected Hospital
Abstract: Introduction: Cancer can be regarded as a group of diseases characterized by an i) abnormal growth of cells ii) ability to invade adjacent tissues and even distant organs, and iii) the eventual death of the affected patient if the tumour has progressed beyond that stage when it can be successfully removed. Cancer can occur at any site or tissue of the body and may involve any type of cells. Cancer …
Published in Research and Reviews: Journal of Oncology and Hematology · Vol. 10, Issue 2, 2021 · pp. 1–20 Read article
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Performance Evaluation of Eco-friendly Cutting Fluid in Machining Process—An Approach towards Environmentally Friendly Production
Abstract: The machining industry's evolving environmental consciousness has prompted a growing demand for cutting fluids devoid of chlorine and sulphur, thus fostering sustainable machining practices. This surge in demand is driven by mounting apprehensions over environmental contamination and worker safety. As the industry transitions to modern cutting fluids, it becomes imperative to comprehend their effectiveness and the optimal machine parameters required for their deployment in the turning process. In our current …
Published in Journal of Polymer & Composites · Vol. 11, Issue 12, 2023 · pp. 149–160 Read article
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Development of Low-GWP Refrigerants for Future Air Conditioning and Refrigeration Applications
Abstract: The growing concern over global warming and the need to mitigate climate change has propelled significant research into the development of low-GWP (Global Warming Potential) refrigerants for air conditioning and refrigeration systems. Traditional refrigerants, such as hydrofluorocarbons (HFCs), have been widely used in the HVAC&R (Heating, Ventilation, Air Conditioning, and Refrigeration) industry but contribute significantly to global warming due to their high GWP values. As a result, global regulations, including …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 11, Issue 3, 2024 · pp. 35–39 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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Performance Analysis of Shell and Tube Heat Exchanger using Engineering Equation Solver
Abstract: The following paper consists of extensive thermal analysis of the performance of Shell and tube heat exchanger under various configurations. To serve the purpose a simplified model of shell and tube heat exchanger has been designed using kern’s method to cool the water from 55°C to 45°C by using water around room temperature. Then we have extrapolated the performance analysis using the EES (Engineering Equation Solver) software to simulate the …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 6, Issue 1, 2019 · pp. 20–26 Read article
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The Effect of using Grease on the Surface Roughness of Aluminum 1100 Sheet during the Single Point Incremental Forming Process
Abstract: Incremental forming is a sheet metal forming technique in which a uniform sheet is plastically deformed through the progressive action of a rounded tool. The movement of the tool is governed by a CNC machine. By this way the tool locally deforms the sheet through pure stretching deformation. In this research incremental forming experiments were carried out on Aluminum 1100 sheets to form a cone shape. Roughness was studied by …
Published in Trends in Machine design · Vol. 1, Issue 1, 2014 · pp. 1–4 Read article
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Microbial Inhibition of Copper Nanoparticles Produced by Chemical Method
Abstract: In the modern era of science, copper nanoparticles (Cu-Nps), attributable to their fascinating properties, low price preparation and lots of potential applications in chemical process, cooling fluid or semiconducting inks and bio applications, have attracted lots of interest. Cu-Nps gains attention from its useful properties like the great thermal and electrical physical phenomenon at less cost unlike silver. In this study, the synthesis, optical properties, morphology and bacterial behavior of …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 17, Issue 2, 2015 · pp. 15–22 Read article
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History, Processing, Types and Health Benefits of Indian Yogurt
Abstract: Yogurt is a food which is nutrient rich and it is produced after the milk bacterial fermentation. Yogurt should have 3.25% milk fat and 8.25% milk solids non fat and the titrable acidity of at least 0.9%, which is expressed as lactic acid. Before adding bulky flavoring additives, the USDA yogurt criteria specify that the yogurt must satisfy the composition requirements of milk fat and MSNF. The data used in …
Published in Research and Reviews : Journal of Dairy Science and Technology · Vol. 13, Issue 1, 2024 · pp. 1–6 Read article
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Designing and CFD Analysis of Table Top Refrigerator Hexagonal Coil Crossection
Abstract: In the Present study CFD analysis has been performed on evaporator unit. Tabletop refrigerators are the common house hold unit used in almost all houses. Evaporator and Condenser unit is the main functioning unit of refrigerator system used for the cooling applications. With the increase of modernization use of refrigerator system has rapidly increases due to the reason a lot of researches are prevailing on refrigerator systems. With the updating …
Published in Journal of Thermal Engineering and Applications · Vol. 6, Issue 2, 2019 · pp. 34–51 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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The Onset of Rayleigh-Bénard-Marangoni Convection in a Ferromagnetic Fluid Layer
Abstract: This study examined the implications of magnetic boundary conditions, which are vertical in nature, on buoyancy and surface tension–driven ferrothermal convection (FTC) in a ferrofluid layer. While the upper surface is stress-free and susceptible to general thermal boundary issues, the bottom surface is stiff and insulating against temperature changes. The eigenvalue issue is solved analytically using the regular perturbation method and numerically using the Galerkin technique. According to analysis, raising …
Published in Journal of Experimental & Applied Mechanics · Vol. 16, Issue 1, 2025 · pp. 1–9 Read article
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Effect of Solution Heat Treatment and Aging on the tensile Properties of Ti-6Al-4V Alloy Component Manufactured by Wire Arc Additive Manufacturing
Abstract: Wire Arc Additive Manufacturing (WAAM) is a cost-effective technique for fabricating components from the Ti-6Al-4V alloy, known for its high strength and utility in demanding applications. To maximize its strength, the alloy undergoes Solution Treating and Aging heat treatment, comprising three key steps: (i) Solution Treating: The alloy is heated to 950°C (just below the β transus) and held for 1 hour, increasing the β phase proportion. This step sets …
Published in International Journal of Machine Systems and Manufacturing Technology · Vol. 3, Issue 2, 2025 · pp. 1–6 Read article
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Assessment on the Physical Characteristics of Polymer Materials for Additive Layer Manufacturing Processes
Abstract: Polymer materials have the capacity to morph into a soft form and flow when heated, then return to their original hardness when cooled, making them excellent for heat fabrication procedures. Acrylonitrile Butadiene Styrene (ABS) is a high-grade polymer with exceptional mechanical qualities and heat resistance that is commonly used in aircraft and vehicle manufacture. These polymers are mixed with other materials to create alloys, which are primarily used in the …
Published in Journal of Polymer & Composites · Vol. 9, Issue 3, 2021 · pp. 1–9 Read article