Search
178 articles for “thermal cooling.”
-
Design Fabrication and Testing of Hydraulic Oil Cooler by Using Heat Pipe
Abstract: Heat pipe is an essentially passive heat transfer device having high thermal conductivity. In hydraulic power pack use of traditional shell and tube heat exchanger would require lot of space, more power and maintenance cost. So heat pipe device is easily implemented for cooling of hydraulic oil. The heat pipe equipped hydraulic oil cooler uses a heat pipe module comprises of aluminum base block with oil channels machined on it. …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 5, Issue 1, 2018 · pp. 10–19 Read article
-
Exploration of Effect of Geometrical Parameters on Ejector Effectiveness
Abstract: The motivating fluid stream's own internal power and pressure-related flow work are transformed into kinetic energy via the ejector's operating principle. The present investigation examines how different operating environments and geometrical factors affect the efficiency of steam ejectors used in refrigeration operations. The geometrical parameters and operating conditions are mixing section length, radius, and the primary nozzle exit radius, thermally driven heat pumps for heating and cooling can be promising …
Published in Journal of Aerospace Engineering & Technology · Vol. 13, Issue 3, 2023 · pp. 14–22 Read article
-
A Novel Technique of Infrared Thermography for Ambient Air Infiltration Detection in Air- Conditioned Space
Abstract: Maintaining thermal comfort in the indoor microenvironment is essential for occupants’ well-being and functioning. Heating, ventilation and air conditioning account for a significant share in building energy consumption. Therefore, it is necessary to act on each energy-saving opportunity to improve air conditioners' energy efficiency and reduce outdoor air ingress in cooling space. Many earlier works focused on improving the performance of air conditioners; however, measurement of heat losses through building/room …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 9, Issue 3, 2022 · pp. 9–17 Read article
-
A tribute to plasmonic piezoelectric nanomechanical resonators
Abstract: Infrared technology has been used for civilian applications in a wide variety of applications, inclusive of medical diagnostics, biological and chemical threat detection, electrical power system inspection, infrared spectroscopy, and thermal imaging. Applicability of photon detection and thermal sense has been based on infrared detectors, where photon detection links interaction between photons and electrons in a semiconductor material to produce an electrical output signal upon exposure to infrared radiation. Advantages …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 23, Issue 2, 2021 · pp. 40–44 Read article
-
Design and Optimization of Heat Dissipation Systems for Electric Vehicle Battery Packs: A Study on Advanced Cooling Techniques
Abstract: In order to guarantee battery safety, performance, and longevity, the increasing popularity of electric vehicles (EVs) has increased the demand for efficient heat management systems. With an emphasis on cutting-edge cooling methods, this study explores the design and optimization of heat dissipation systems for EV battery packs. The study compares cutting-edge techniques like phase change materials, micro channel heat sinks, and thermoelectric cooling systems with more conventional cooling techniques like …
Published in Journal of Automobile Engineering and Applications · Vol. 12, Issue 1, 2025 · pp. 1–10 Read article
-
Experimental and Process Optimization Study on Thermal Stress Reduction in TiC–Steel Brazed Joints Using Polymer-Derived Composite Interlayers
Abstract: In this, an experimental investigation aimed at reducing crack formation due to thermal stress in TiC-steel brazed joints through optimization of key process parameters is presented. The primary objective was to develop an integrated and reliable brazing strategy by examining the effects of filler material selection, brazing gap, cooling conditions and type of flux. In this study, polymer-derived composite interlayers were developed through controlled synthesis and nanocomposite engineering to mitigate …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 524–540 Read article
-
Development and Performance Evaluation of GO–ZnO/PU Hybrid Nanocomposite Coatings for Improved Optical Transmission, Cooling, and Self-Cleaning in PV Systems
Abstract: The performance of solar photovoltaic (PV) modules with time is affected by thermal heating, dust buildup, and exposure to ultraviolet (UV) light; as a result, the power loss increases rapidly during the use condition. In this study, a polyurethane (PU) nanocomposite, fabricated with graphene oxide and zinc oxide (GO–ZnO), is invented and examined. Improvements in heat management, light transmission, and dirt resistance are planned for PV glass surfaces. The nanocomposite …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 243–249 Read article
-
Thermal-hydraulic Safety Assessment of a Miniature Neutron Source Reactor
Abstract: The main objective of this study is to assess the thermal-hydraulic safety capability of the PLTEMP/ANL v 4.0 in analyzing Ghana Research Reactor-1 (GHARR-1), with vertical fuel rods cooled by natural convection, operating at a nominal power (30 kW) with sufficient safety margins. The neutronic analysis of the core was performed using MCNP X code, where parameters of interest were the power distributions and the power peaking factors. The thermal-hydraulic …
Published in Journal of Nuclear Engineering & Technology · Vol. 3, Issue 3, 2013 · pp. 18–44 Read article
-
Triple Fire Shield for EV Batteries: Prevention, Mitigation and Design Innovations
Abstract: The paper introduces the Triple Fire Shield, a threefold approach aiming to improve the safety and reliability of electric vehicle batteries. Overcharging, overheating, or physical damage to battery can lead to thermal runaway which in turn lead to fire. Due to this, introduction of a safety strategy is necessary for ensuring the protection of the passenger. Prevention of thermal runaway is achieved through temperature management methods such as Battery Management …
Published in Journal of Thermal Engineering and Applications · Vol. 11, Issue 1, 2024 · pp. 28–35 Read article
-
Thermal Analysis of CaZrO3 Coated Diesel Engine Liner Using 3-D Finite Element Method
Abstract: Abstract Results, obtained from many research papers it has been observed that in internal combustion engine about one third of total fuel energy is converted into useful work, about one third of the total fuel energy goes with exhaust gases and about one third of total fuel energy transfer to the coolant in form of heat through the cylinder wall, piston, valve etc. According to second law of thermodynamics, exhaust …
Published in Journal of Thermal Engineering and Applications · Vol. 1, Issue 3, 2014 · pp. 26–32 Read article
-
Stretchable Elastomer–PCM Composites with Bluetooth-Enabled Temperature Monitoring for Wearable Healthcare IoT Devices
Abstract: The rapid advancement of wearable healthcare technologies has created a growing demand for multifunctional polymer composites capable of simultaneously providing mechanical flexibility, thermal energy management, electrical conductivity, sensing capability, and wireless communication. In this study, a stretchable elastomer-based polymer composite integrated with a phase-change material and a Bluetooth Low Energy temperature monitoring system was developed for wearable healthcare Internet-of-Things applications. The polymer composite was fabricated using an Ecoflex silicone elastomer …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 241–257 Read article
-
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
-
Boiling Heat Transfer Enhancement on Macro-, Micro- and Nano-scales
Abstract: This paper presents a review of investigations on boiling heat transfer enhancement on macro-, micro- and nano-scale surfaces and fluids by the authors at the Moscow Power Engineering Institute (MPEI) plus known results of other researchers. These investigations were conducted with the purpose of increasing safety and efficiency of power generating systems. The investigations were focused on such problems as effective cooling at high heat flux (1 MW/m2 and more), …
Published in Journal of Nuclear Engineering & Technology · Vol. 2, Issue 2-3, 2012 · pp. 1–10 Read article
-
Effect of Different Cooling Pad Materials on the Performance of the Evaporative Cooler
Abstract: Air conditioning (AC) becomes the most necessary appliance in homes and offices in every developed and developing country for achieving the required thermal comfort condition. But the literature reveals that the excessive use of AC creates physiological discomfort such as headache, alleging symptoms (fever, cold, itching) chest pain, etc. The above mention issues may be mitigated up to a certain level by using an evaporative cooler instead of ACs. The …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 10, Issue 3, 2023 · pp. 31–35 Read article
-
Synergistic effect of AlN and 2D-BN Nanoplatelets on Phase Transition Kinetics and Thermal Transport of Eutectic Phase Change Materials
Abstract: High-power-density electronic appliances are in demand to meet the necessity from modern sustainable society. The heat generated with the continuous functioning need to be dissipated to keep electronics cool to retain efficiency and performance. To suppress heat accumulation, surplus heat needs to be controlled by adapting efficient cooling technologies. As an alternative, nanomaterials-enabled phase change materials (PCM)-based cooling is appropriate to curb temperature shoot. This work focuses on developing eutectic …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 11–16 Read article
-
High grade nuclear heat supply from molten salt reactors via pipelines: Parametric studies on heat loss
Abstract: Nuclear power plants based on molten salt technology have the potential to supply low carbon emissions intensity thermal energy and electricity to support industrial decarbonization. The primary coolant of these reactors is a multi-component fluoride salt like FLiNaK and this stream can be partly extracted to serve as industrial heat source with temperatures of about 550-600oC. This study examines the pipeline-based transport of this heat source to a potential point …
Published in Research & Reviews : Journal of Physics · Vol. 14, Issue 3, 2025 · pp. 01–08 Read article
-
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
-
Study on Effect of Insulation Design on Thermal-Hydraulic Analysis: An Important Aspect in Subsea Pipeline Designing
Abstract: The most imperative and challenging operational hazards for oil and gas pipelines are the risks associated with the transportation of fluids. When water, oil and gas flow simultaneously inside the pipeline, there are quite high chances that, water and hydrocarbon fluids can form and deposit hydrate such as wax and asphaltene on the inner surfaces of the pipeline and gradually blocking it. In this paper we explore and compare the …
Published in Journal of Petroleum Engineering & Technology · Vol. 4, Issue 1, 2014 · pp. 33–44 Read article
-
A Review on Nanofluids: Preparation and Applications
Abstract: Nanofluids are essential because they improve heat transfer. Nanofluids are colloidal combinations of ceramic particles or nanometric metallic in a base fluid, such as ethylene glycol, water or oil. Nanofluids possess huge potential to increase the heat transfer character of the original liquid due to enhanced thermal transport properties. nanoparticles have been utilized in transmission oil, radiator coolant and engine oil to increase heat transfer removal from automobile engine. Specific …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 21, Issue 1, 2019 · pp. 21–35 Read article
-
Modeling of Shell and Tube Heat Exchanger
Abstract: A heat exchanger is a equipment for transferring thermal energy between two fluids. Transfer of heat from one fluid to another is the most employed operations in chemical process industries. They are either used for heating or cooling. The most common application of heat transfer is to transfer heat from one fluid to another. The thermal design of shell and tube heat exchanger is discussed in detail in this paper. …
Published in Emerging Trends in Chemical Engineering · Vol. 3, Issue 1, 2016 · pp. 9–11 Read article