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277 articles for “heat-conduction”
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Modeling and Simulation of Spiral Plate Heat Exchanger
Abstract: The spiral-plate heat exchanger (SHE) offers efficiency in spacing and reduces heat losses. SHE’s offer high reliability, lower spaces occupancy, high heat transfer coefficient and on-line performance in many severely fouling services such as slurries. Experimental investigations were conducted in a spiral plate heat exchanger with hot water as the service fluid and cold water in different flow rates as the cold process fluid. The experiments were conducted essentially in …
Published in Journal of Thermal Engineering and Applications · Vol. 1, Issue 1, 2014 · pp. 22–29 Read article
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Modification in Stacks Design for the Integrated Incinerator–Fired Heater System Using CFD
Abstract: AbstractIn a unique integration of its kind, incinerator hot flue gases are routed below convection section of fired heater for enhanced heat recovery for an ongoing oil and gas field development projects. High degree of flue gas mixing between incinerator and heater flue gases is desired at inlet section of coils in convection section for optimal heat recovery. Also design of stack should take care of required draught in incinerator …
Published in Journal of Thermal Engineering and Applications · Vol. 6, Issue 3, 2019 · pp. 27–35 Read article
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Structure-Property-Process Relationships in BNNS-Modified PEEK Nanocomposites for High-Performance Applications
Abstract: This study reports the design and performance evaluation of boron nitride nanosheet (BNNS)-reinforced polyetheretherketone (PEEK) nanocomposites fabricated using melt compounding and high-temperature Fused Filament Fabrication (FFF). PEEK, a high-performance thermoplastic, was reinforced with BNNS at 0.5–5wt.% to enhance mechanical, thermal, and tribological functionalities for advanced engineering use. Composite filaments were extruded and printed using a modified Bambu Lab FFF printer. Mechanical testing revealed a peak tensile strength of 108 MPa …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 867–888 Read article
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Impacts of Ambient Heat Stress on Growing Rabbit Performance and Carcass Traits
Abstract: This study was conducted to investigate the effect of ambient heat stress (30 ± 2°C) on three rabbit breeds of both sexes. Rabbit of four weeks age of both sexes were enrolled in 3*2 factorial experiment. The animals were grouped into three groups 49 New Zealand white (NZW), 34 Californian (CAL) and 46 Rex (RX). Each group were sub-grouped into two sex sub-groups. The fortnightly growth performance (live body weight …
Published in Research and Reviews : Journal of Veterinary Science and Technology · Vol. 4, Issue 2, 2015 · pp. 7–13 Read article
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Study of Ablation Characteristics Carbon Fiber Reinforced Plastic with Silicon Carbide Pores
Abstract: Significant thermal stress is placed on spacecraft during atmospheric re-entry, primarily due to aerodynamic heating. This intense heat can cause severe material damage threatening the spacecraft's structural integrity. To address this challenge, efforts are focused on improving the ablation resistence of spacecraft components. In this work, carbon fiber reinforced plastic (CFRP) composites containing silicon carbide (SiC) holes are explored as a potential solution for enhancing thermal protection system. Four different …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 617–627 Read article
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Heating Energy Estimation before Construction and Thermal Comfort Post Occupancy in the New Building of Salesian College, Sonada Campus, Darjeeling
Abstract: AbstractThermal comfort of indoors lead to better satisfaction. A thermal analysis of heating energy requirements were conducted before the construction of a new campus building. After the completion of the construction, thermal comfort studies were conducted to study the indoor conditions. The use of hollow block wall was recommended against the conventional brick wall.Keywords: ASHRAE, thermal comfort, degree day, Griffiths’ neutral temperatureCite this ArticleSamar Thapa. Heating Energy Estimation before Construction …
Published in Journal of Thermal Engineering and Applications · Vol. 4, Issue 3, 2017 · pp. 13–21 Read article
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Synthesis and Characterization of Composites of Beryllia and Lithium-titanate Produced by Solid State Route
Abstract: Beryllium oxide (BeO) is proposed to be used as a constituent for lithium titanate (Li2TiO3) based composite material for neutron multiplication and breeding in International Thermonuclear Experimental Reactor (ITER) for its high thermal conductivity, low neutron absorption cross-section and high neutron reflection cross section. In the present investigation, we report the synthesis of single phase BeO-Li2TiO3 composites with BeO to Li2TiO3 (produced through solid state route) in volume ratios of …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 5, Issue 1, 2014 · pp. 17–27 Read article
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Numerical and Experimental Investigation of AlHE30 for Rectangular Finned Cooking Vessel
Abstract: AbstractFins are basically extended surface, which is used to increase the heat transfer rate, this is basically a secondary surface mounted on primary surface to augment heat transfer from it. A numerical study using ANSYS were conducted to optimize fin shape based on base temperature and maximize the heat transfer across the cooking vessel. By investigating fin of (AlHE30) material were conducted experiments the fin of diameter 14 and 195 …
Published in Journal of Thermal Engineering and Applications · Vol. 5, Issue 1, 2018 · pp. 28–36 Read article
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Particle Concentration Effect on Thermal Properties of Nano-fluids
Abstract: AbstractWith the advancement of time and system miniaturisation, requirement of high thermal capacity material is increasing. This problem can be served by nano-fluids as they have high thermal conductivity compared to the conventional materials. Nano-fluids are the suspension of solid nano-particles in the base-fluid. Water (H2O) is considered as the base-fluid in the present work while Al2O3, Cu, TiO2, SiC and B4C are considered as nano-particles. Two-phase mixture rule and …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 19, Issue 2, 2017 · pp. 18–21 Read article
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Corrugated Tube Shell-and-Tube Heat Exchanger Using Epoxy-Based Polymer Composite Coatings for Lightweight and Efficient Thermal Systems
Abstract: Corrugated tube geometries are widely recognized for their ability to enhance heat transfer through boundary layer disruption and secondary flow generation. In this study, a combined experimental and computational investigation is carried out to evaluate the thermo-hydraulic performance of a shell-and-tube heat exchanger incorporating corrugated stainless steel tubes integrated with an epoxy-based polymer composite coating and housed within a mild steel shell. Unlike conventional metallic systems, the present work introduces …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 603–617 Read article
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Design Strategies of Polymer Composite Components for Sustainable Renewable Energy Microgrids
Abstract: Increasing power demand and variable performance requirements in renewable-energy systems motivate integrating advanced polymeric and composite materials into microgrid components to improve reliability and performance. This paper presents a design and control framework for a standalone microgrid that couples power-electronic and energy-conversion subsystems with polymer-composite–based components to enhance durability, thermal management, and electromagnetic shielding. The microgrid uses a doubly fed induction generator (DFIG) for wind generation to enable independent active …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 63–71 Read article
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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
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Enhanced Thermal Conductivity of Polyaniline Nanofluids Synthesized using CuCl2 as Catalyst
Abstract: AbstractThe development of nanofluids for enhancing the heat transfer properties over the conventional fluids is mainly hindered by a vital issue of dispersion stability and hence is being explored in the present work. In the present study, Copper Polyaniline nanoparticle was synthesized by the oxidative polymerization method using CuCl2 as a catalyst. The characterization of Copper Polyaniline was performed. The sizes of nanoparticles were found to be within 7.24 nm …
Published in Journal of Polymer & Composites · Vol. 11, Issue 1, 2023 · pp. 20–40 Read article
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Thermal Dissipation Performance of Metal–Polymer Composite Heat Exchanger for Enhanced Thermal Management in Compact Electric Geysers
Abstract: Most electric geysers these days are made from all-metal stuff, like stainless steel tanks and copper coils for heating, plus mild steel on the outside. Standby heat losses can be 20 to 40 watts, and a 15-litre unit weighs around 6 to 8 kilograms. Manufacturing costs are higher, too. Hard water makes it worse, with limescale building up on the heating elements and cutting thermal conductivity by 10 to 30 …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 618–651 Read article
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Enhancing the Performance of Evacuated Tube Heat Pipe Solar Collector Using CuO Nanofluid
Abstract: Renewable energy is an important component of sustainable development technologies that meet current demands without risking future generations' ability to meet their own. Due to fast expanding energy consumption and environmental concerns, many international scholars are seeking an alternate approach to fulfill future energy demand. Due to its abundance and pure nature, solar energy appears to be the most enticing option in this case. Because of their ease of use, …
Published in Journal of Polymer & Composites · Vol. 11, Issue 8, 2023 · pp. 393–407 Read article
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Review in Friction Stud Welding of Aluminium to Steel
Abstract: The demand for friction stud welded aluminum/steel joints has increased in many significant applications including cryogenics, structural engineering, spacecraft, rocket fuel tanks and high vacuum chambers owing to their superior properties. In automobile engineering, there is a requirement to join a mild steel earthing pin which is in the shape of a stud to an aluminum car body. Aluminum and steel was considered to join using friction stud welding. This …
Published in Journal of Thermal Engineering and Applications · Vol. 9, Issue 4, 2022 · pp. 19–24 Read article
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Efficiency Improvements in Domestic LPG Burner
Abstract: AbstractExperiments are conducted on the domestic LPG burner with porous material as preheating and combustion medium. The burner consist of two layers of porous medium. The combustion zone is made up of silicon carbide and metal chips. The stainless-steel balls as preheating zone. The performance of the domestic LPG conventional burner is calculated in terms of heating efficiency for the different thermal inputs(Wattages) and results are compared with that of …
Published in Recent Trends in Fluid Mechanics · Vol. 6, Issue 3, 2019 · pp. 7–11 Read article
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Enhancement of Thermo-hydraulic Properties of a Novel Composite-Based Spiral Fin Tube Heat Exchanger: An Experimental Investigation
Abstract: It is now crucial for engineers to enhance procedures and boost heat exchanger efficiency. Heat exchanger performance can be significantly enhanced by a variety of methods. Composite-based fins or enlarged surfaces are frequently utilized to increase the air-side heat transfer rate in a variety of heat transfer applications. Because composite materials are lightweight, highly thermally conductive, and resistant to corrosion, they were used. A composite based fin's efficiency is influenced …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 238–251 Read article
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Experimental Analysis Of Thermal Behaviour Of Phase Change Materials In Cooling Applications Of Roof Top Building Slabs
Abstract: In this research article, different phase change materials are incorporated inside the slabs to reduce the heat transfer from the roof. Experiments are conducted during summer season March 2021 to the time lag decrement factor and heat flux to that of results are compared with RCC slab to that of Green material I (CaCl26H2O) and Green Roof with Green material II (48%CaCl2+4.3%NaCl+0.4%KCl+47.3%H2O). On comparison Green Slab II is having better …
Published in Journal of Polymer & Composites · Vol. 12, Issue 3, 2024 · pp. 102–114 Read article
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Assessment of Perception and Preparedness Regarding Use of Electronic Health Records Among Health Care Professionals
Abstract: This study was conducted with objectives to assess perception about need and use of electronic health records and preparedness to adopt electronic heath records. A descriptive study was conducted in Jan, 2013 at ICU’s of DMC and Hospital, Ludhiana. A total of 200 health care professionals consisting of, 150 nurses, 30 technicians and 20 resident doctors were selected by stratified random sampling technique. Structured questionnaire consists of 20 items to …
Published in Journal of Nursing Science & Practice · Vol. 4, Issue 2, 2014 · pp. 32–36 Read article