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Journal articles on the topic 'Effect of heat'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Gurney, Shae C., Katherine S. Christison, Tyler Stenersen, and Charles L. Dumke. "Effect of uncompensable heat from the wildland firefighter helmet." International Journal of Wildland Fire 30, no. 12 (2021): 990. http://dx.doi.org/10.1071/wf20181.

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Heat accumulation from wearing personal protective equipment can result in the development of heat-related illnesses. This study aimed to investigate factors of heat stress with and without a US standard issue wildland firefighter helmet. Ten male subjects finished a 90-min exercise protocol in a heat chamber (35°C and 30% relative humidity), with standard issue meta-aramid shirt and pants and a cotton t-shirt, and either with or without a wildland firefighter helmet. A randomised crossover design was implemented, with a minimum 2-week washout period. Heart rate, physiologic strain index, perc

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2

Shailendra Dubey Sonal, Ritik. "Effect of Solar Heat on Foliage Gas." International Journal of Science and Research (IJSR) 1, no. 3 (2012): 117–19. http://dx.doi.org/10.21275/ijsr12120345.

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3

Patil, Prithviraj, A. K. Mehta, Omkar Mane, Shiwani Dhumal, Sukanya Palve, and Tejaswini Patil. "Effect of Headgear on Physiological, Physical Response of Male Farm Worker Under Heat Stress Condition." Journal of Scientific Research and Reports 31, no. 1 (2025): 528–37. https://doi.org/10.9734/jsrr/2025/v31i12796.

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India has a vast geographical area with variations in climate and temperature from region to region. Summers are very harsh in many parts of the country where temperature exceeds 45°C. Most of the agricultural operations in the country are performed by manual labour in such a warm climate where it becomes difficult for the body to maintain its heat balance with the environment. In leads to heat stress many a time. Heat stress causes many heat disorders like systemic disorder, heat syncope, heat odema, heat cramp, heat exhaustion and heat stroke. To minimize heat stress in warm climate many tec

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4

Sun, Jian, and Wei Qiang Liu. "Effect of Heat Leading of Windward Leading Edge Using Heat Pipe with Porous." Advanced Materials Research 217-218 (March 2011): 674–79. http://dx.doi.org/10.4028/www.scientific.net/amr.217-218.674.

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By the uses of finite element method and finite volume method, we calculated the solid domain and fluid domain of windward leading edge which is flying under one condition. And the paper proved that heat pipes which covered on the leading edge have effect on thermal protection. The maximum temperature of the head decreased 12.2%. And the minimum temperature of after-body increased 8.85%. Achieving the transfer of heat from head to after-body, the front head of the thermal load was weakened and the ability of leading edge thermal protection was strengthen. The effect of the thickness of heat pi

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Tuska, Habib Syaiful Arif, Nursalsabila Khamalt, Muhammad Arfan Lesmana, et al. "Effect of Artemisia vulgaris Supplementation on Zebrafish Embryo Under Heat Stress Condition during In Vitro Culture." Journal of Applied Veterinary Science And Technology 5, no. 1 (2024): 20–25. http://dx.doi.org/10.20473/javest.v5.i1.2024.20-25.

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Background: Artemisia vulgaris contains flavonoids, which play a vital role in counteracting free radicals. Purpose: To determine the effect of Artemisia vulgaris extract supplementation on embryo development, heart rate and survival of zebrafish under heat stressed and non-heat stressed conditions. Methods: The research used a completely randomized design. Zebrafish embryos (n=240) were divided into heat stressed (36°C) and non-heat stressed (28°C) groups, while for each group were divided into three subgroups, namely T1/control (without Artemisia vulgaris supplementation); and supplemented g

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Fan, T. H., and F. B. Cheung. "Modeling of Transient Turbulent Natural Convection in a Melt Layer With Solidification." Journal of Heat Transfer 119, no. 3 (1997): 544–52. http://dx.doi.org/10.1115/1.2824137.

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The phenomenon of turbulent natural convection in a horizontal heat-generating melt layer with solidification taking place at the cooled upper and lower boundaries is investigated theoretically. The objective is to determine the transient behavior of the crust at the upper and lower surfaces and the effect of crust formation on the turbulent natural convection process in the melt layer. Various surface temperatures, latent heats, and the heat source strengths are considered along with the effects of the Stefan number and Rayleigh number. Special attention is given to the interaction between th

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7

Safi, Ahmad. "Effect of Heat Stress in Poultry and Its Mitigation." Current Research in Agriculture and Farming 3, no. 6 (2022): 9–18. http://dx.doi.org/10.18782/2582-7146.179.

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The major problem for huge economic loss in the poultry industry was stress and from different types of stressors; heat stress was a major one. In this developing era, poultry played an important role in almost economic gain of every country. But with changing climatic conditions it had become hard to maintain the temperature in poultry production system. Heat stress effects the overall performance of both layers and broiler in terms of meat quality, growth, egg quality and egg production. If these types of parameters start showing in poultry farms timely taken steps will save farm from huge e

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8

Patil, Prithviraj, A. K. Mehta, Sukanya Palve, Omkar Mane, Shiwani Dhumal, and Tejaswini Patil. "Assessment of Heat Stress on Human Physiology, Thermal and Physical Discomfort of Male Farm Worker." Journal of Scientific Research and Reports 31, no. 1 (2025): 547–55. https://doi.org/10.9734/jsrr/2025/v31i12798.

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India is characterized by strong temperature variations in different seasons ranging from mean temperature of about 10°C in winter to about 32 °C in summer season. The temperatures start to increase all over the country in March and by April; the interior parts of the peninsula record mean daily temperatures of 30-35 °C. Heat stress is a condition that is caused by worker’s over-exposure to the high temperature work environments often found in outdoor agriculture operations. Workers should be informed of the nature of heat stress and its adverse effects as well as the protective measures provi

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9

Almeida, Ronaldo André Castelo Dos Santos De, Jéssica da Silva Santos, Letícia de Sousa Amorim, Emerson Lopes Olivares, and Anderson Luiz Bezerra da Silveira. "Heat Therapy: Planned Heat Exposure as a Nonpharmacological Strategy against Ischemic Heart Events." Journal of Clinical and Preventive Cardiology 14, no. 1 (2025): 27–32. https://doi.org/10.4103/jcpc.jcpc_1_25.

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ABSTRACT It is known that the planned exposure to high temperatures favors organic adaptations to heat and promotes important hypotensive effects. The increasing number of heart disease patients and deaths due to ischemic heart events mobilizes studies aimed at discovering and improving new therapeutic procedures. Considering the high costs of pharmacological therapies, nonpharmacological strategies are a high-value and low-cost alternative. Combined with the known effects of physical exercise, heat therapy (HT) can significantly contribute to cardiovascular stabilization and cardioprotection.

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10

Akash, Thavare, and Bande Rahul. "STUDY ON EFFECT OF NANOFLUIDSON HEAT TRANSFER CHARACTERSTIC OF HEAT PIPE." JournalNX - A Multidisciplinary Peer Reviewed Journal QIPCEI2K18 (May 1, 2018): 246–51. https://doi.org/10.5281/zenodo.1412347.

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 With the increase in requirement of advanced technical equipment , of which there basic initial work is carried out on the applications, which used heat pipes for heat transfer. Heat pipes are one specific type of heat exchangers, having very wide application in electronics and other fields, because of its compactess, high efficiency, less number of components and no need for external circulation of working fluid. This heat pipes previously carrying conventional fluid as working medium inside them. But in recent years nanofluids in heat pipes have attracted a notable attention due to its

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11

Kimura, T., and T. Nishioka. "The Chiral Heat Effect." Progress of Theoretical Physics 127, no. 6 (2012): 1009–17. http://dx.doi.org/10.1143/ptp.127.1009.

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12

Nuwayhid, R. Y., and F. Moukalled. "Effect of heat leak on cascaded heat engines." Energy Conversion and Management 43, no. 15 (2002): 2067–83. http://dx.doi.org/10.1016/s0196-8904(01)00146-7.

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13

Chandran, Deepak R. "The Effect of Thermal Interface Material on Led Heat Sinks." Journal of Advanced Research in Applied Mechanics & Computational Fluid Dynamics 05, no. 1&2 (2018): 1–5. http://dx.doi.org/10.24321/2349.7661.201801.

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14

A. Christy, Alfred. "Effect of Heat on the Adsorption Properties of Silica Gel." International Journal of Engineering and Technology 4, no. 4 (2012): 484–88. http://dx.doi.org/10.7763/ijet.2012.v4.416.

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15

Guo, Fuqiang, Chunyan Wang, and Bo Ren. "Effect of Heat Treatment Temperature on the Microstructure and Mechanical Properties of Cu0.3Cr2Fe2Ni3Mn2Nbx High-Entropy Alloys." Coatings 14, no. 8 (2024): 950. http://dx.doi.org/10.3390/coatings14080950.

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The effects of heat treatment temperature on the microstructure and mechanical properties of Cu0.3Cr2Fe2Ni3Mn2Nbx high-entropy alloys (HEAs) were studied. Results indicate that in the as-cast state, an Nb0 alloy is composed of a single FCC phase, and a Laves phase gradually forms as Nb content increases. After heat treatment at 800 °C, BCC solid solution phases rich in Cr, Fe, and Mn form in all alloys. The BCC phases in the Nb0.2 and Nb0.4 alloys decompose after heat treatment at 900 and 1000 °C, respectively, and the microhardness of the as-cast Cu0.3Cr2Fe2Ni3Mn2Nbx HEAs increases from 127 t

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16

Wilson, Thad E., and Chester A. Ray. "Effect of thermal stress on the vestibulosympathetic reflexes in humans." Journal of Applied Physiology 97, no. 4 (2004): 1367–70. http://dx.doi.org/10.1152/japplphysiol.00403.2004.

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Both heat stress and vestibular activation alter autonomic responses; however, the interaction of these two sympathetic activators is unknown. To determine the effect of heat stress on the vestibulosympathetic reflex, eight subjects performed static head-down rotation (HDR) during normothermia and whole body heating. Muscle sympathetic nerve activity (MSNA; peroneal microneurography), mean arterial blood pressure (MAP), heart rate (HR), and internal temperature were measured during the experimental trials. HDR during normothermia caused a significant increase in MSNA (Δ5 ± 1 bursts/min; Δ53 ±

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17

Losnegard, Thomas, Martin Andersen, Matt Spencer, and Jostein Hallén. "Effects of Active Versus Passive Recovery in Sprint Cross-Country Skiing." International Journal of Sports Physiology and Performance 10, no. 5 (2015): 630–35. http://dx.doi.org/10.1123/ijspp.2014-0218.

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Purpose:To investigate the effects of an active and a passive recovery protocol on physiological responses and performance between 2 heats in sprint cross-country skiing.Methods:Ten elite male skiers (22 ± 3 y, 184 ± 4 cm, 79 ± 7 kg) undertook 2 experimental test sessions that both consisted of 2 heats with 25 min between start of the first and second heats. The heats were conducted as an 800-m time trial (6°, >3.5 m/s, ~205 s) and included measurements of oxygen uptake (VO2) and accumulated oxygen deficit. The active recovery trial involved 2 min standing/walking, 16 min jogging (58% ± 5%

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18

Inoue, Hirotsugu, and Kikuo Kishimoto. "OS10-1-4 Effect of heat conduction on stress measurement based on the thermoelastic effect." Abstracts of ATEM : International Conference on Advanced Technology in Experimental Mechanics : Asian Conference on Experimental Mechanics 2007.6 (2007): _OS10–1–4——_OS10–1–4—. http://dx.doi.org/10.1299/jsmeatem.2007.6._os10-1-4-.

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19

Chernika, I.M., M.K. Bologa, O.I. Mardarskii, and I.V. Kozhevnikov. "Peculiarities of Nucleate Boiling Heat Transfer in Electroconvective Flow." Elektronnaya Obrabotka Materialov 55(2) (April 15, 2019): 44–51. https://doi.org/10.5281/zenodo.2629550.

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The effect of the electric field strength and interelectrode gap distance on the main parameters of the boiling process under electrohydrodynamic flow conditions is studied. It is established that an increase of the heat flux density results in a decrease of the field effect. The optimal interelectrode gap distance corresponding to the maximum heat transfer is found. The hydrodynamics of the two-phase flow and its influence on the heat transfer intensity is analyzed on the base of visual observations and high-speed filming of the process. The calculated dependences are in satisfactory agreemen

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20

Bekele, Getachew. "Review on the Effect of Heat Stress on Poultry Production and Productivities." Food Science & Nutrition Technology 6, no. 2 (2021): 1–9. http://dx.doi.org/10.23880/fsnt16000260.

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Heat stress is a situation where too much heat is absorbed by a person, a plant or an animal and causes stress, illness or even death. Therefore, the objective of this review was to compile current knowledge and evidence from literature about the effects of heat stress in poultry production, and productivities. Heat stress is manifested by elevated body temperature, hot, dry skin, lack of sweating and neurological symptoms such as paralysis, headache, vertigo and unconsciousness. Poultry seems to be particularly sensitive to temperature-associated environmental challenges, especially heat stre

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Bekele, Getachew. "Review on the Effect of Heat Stress on Poultry Production and Productivities." Food Science & Nutrition Technology 6, no. 2 (2021): 1–9. http://dx.doi.org/10.23880/fsnt-16000260.

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Heat stress is a situation where too much heat is absorbed by a person, a plant or an animal and causes stress, illness or even death. Therefore, the objective of this review was to compile current knowledge and evidence from literature about the effects of heat stress in poultry production, and productivities. Heat stress is manifested by elevated body temperature, hot, dry skin, lack of sweating and neurological symptoms such as paralysis, headache, vertigo and unconsciousness. Poultry seems to be particularly sensitive to temperature-associated environmental challenges, especially heat stre

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22

MA, Xinling, Xinli WEI, Xiangrui MENC, and Yao YAO. "C305 ANALYSIS OF PERFORMANCE EFFECT OF HEAT SOURCE TEMPERATURE ON SILICA GEL-WATER ADSORPTION CHILLER(Heat Pump-2)." Proceedings of the International Conference on Power Engineering (ICOPE) 2009.3 (2009): _3–163_—_3–165_. http://dx.doi.org/10.1299/jsmeicope.2009.3._3-163_.

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23

Pretorius, Thea, Gerald K. Bristow, Alan M. Steinman, and Gordon G. Giesbrecht. "Thermal effects of whole head submersion in cold water on nonshivering humans." Journal of Applied Physiology 101, no. 2 (2006): 669–75. http://dx.doi.org/10.1152/japplphysiol.01241.2005.

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This study isolated the effect of whole head submersion in cold water, on surface heat loss and body core cooling, when the confounding effect of shivering heat production was pharmacologically eliminated. Eight healthy male subjects were studied in 17°C water under four conditions: the body was either insulated or uninsulated, with the head either above the water or completely submersed in each body-insulation subcondition. Shivering was abolished with buspirone (30 mg) and meperidine (2.5 mg/kg), and subjects breathed compressed air throughout all trials. Over the first 30 min of immersion,

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24

Cho, MinSeok, Bumsoo Yoon, Jinsun Kim, Seok-Ho Rhi, and Kibum Kim. "Effect of Heat Pipe Shape on Heat Transfer Performance." Journal of Industrial Science and Technology Institute 35, no. 2 (2021): 39–44. http://dx.doi.org/10.54726/jisti.35.2.7.

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25

Mahrooghi, Ali, and Mohammad Moghiman. "Effect of nanoparticles on heat transfer in heat exchangers." Ciência e Natura 37 (December 21, 2015): 199. http://dx.doi.org/10.5902/2179460x20848.

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In this paper, forced convection flow and heat transfer of a Al2O3/Water nanofluid have beeninvestigated numerically by single and two phase (volume of fluid) models. Nanofluid flows inside the innertube of the isothermally concentric circular and sinusoidal double tube heat exchangers while hot pure waterflows in the outer tube. The single-phase and two-phase models is used to simulate the nanofluid forcedconvection of 2% and 3% volume concentrations. The renormalization group k-ε model is used to simulateturbulence in ANSYS FLUENT 15.0. Results show that the overall heat transfer coefficient

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26

Chowdhury, Kakali. "MHD Mixed Convective Nanofluid Flow: Effect of Heat Source and Corrugated Boundary." Nanomedicine & Nanotechnology Open Access 8, no. 3 (2023): 1–14. http://dx.doi.org/10.23880/nnoa-16000255.

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The problem of MHD mixed convection is analyzed in a lid driven cavity with corrugated wavy bottom wall filled with Cu-H2 O nanofluid in presence of internal heat source. The top and right walls of the cavity are maintained with a uniform cold temperature whereas the left wall and bottom wavy wall are kept adiabatic. The top wall is moving with a constant velocity upon its lid and a rectangular heat source is placed horizontally inside the cavity. The physical problem is characterized by 2D governing partial differential equations along with proper boundary conditions and are discretized using

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Wojtas, Krzysztof, Przemysław Cwynar, and Roman Kołacz. "Effect of thermal stress on physiological and blood parameters in merino sheep." Bulletin of the Veterinary Institute in Pulawy 58, no. 2 (2014): 283–88. http://dx.doi.org/10.2478/bvip-2014-0043.

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Abstract Fifteen sheep where placed in climatic chamber and exposed to a high temperature (30°C). Then, the air movement was induced in order to examine its soothing effect on heat stress. The physiological reactions like respiratory and heart rates, as well as the morphologic, biochemical parameters and cortisol levels in blood were examined. It was found that under heat stress conditions, the respiratory rate increased up to 96.43 breaths/min, heart rate up to 107.79 beats/min, and white blood cells count decreased to 9.12 k/μL. The increased level of potassium, chlorine, and calcium was als

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Lawton, B. "Effect of Compression and Expansion on Instantaneous Heat Transfer in Reciprocating Internal Combustion Engines." Proceedings of the Institution of Mechanical Engineers, Part A: Power and Process Engineering 201, no. 3 (1987): 175–86. http://dx.doi.org/10.1243/pime_proc_1987_201_022_02.

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Instantaneous heat flux at the surface of a cylinder head in a motored diesel engine has been measured, at various speeds, using a fast-response surface thermocouple. Heat flux during compression was found to be much larger than heat flux during expansion, the maximum heat flux occurred about 8° before top dead centre and there was a significant heat flux even when gas temperature and wall temperature were equal. During expansion, heat flowed from the surface to the gas even though the bulk gas temperature was greater than the surface temperature. These effects are predicted by solutions of th

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Hong, J. T., Y. Yamada, and C. L. Tien. "Effects of Non-Darcian and Nonuniform Porosity on Vertical-Plate Natural Convection in Porous Media." Journal of Heat Transfer 109, no. 2 (1987): 356–62. http://dx.doi.org/10.1115/1.3248088.

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This work examines analytically the effects of non-Darcian and nonuniform permeability conditions on the natural convection from a vertical plate in porous media. The non-Darcian effects, which include the no-slip and inertia effects, decrease the flow and heat transfer rate, while the nonhomogeneity effect enhances the heat transfer. For packed spheres, in particular, the nonhomogeneity in permeability due to the packing of spheres near the solid wall results in a strong flow-channeling effect that significantly increases the heat transfer. The effect of transverse thermal dispersion is also

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Sullo, Alessio, Guglielmo Brizzi, and Nicola Maffulli. "Serotonin effect on deiodinating activity in the rat." Canadian Journal of Physiology and Pharmacology 81, no. 7 (2003): 747–51. http://dx.doi.org/10.1139/y03-068.

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Serotonin (5-HT) and thyroid hormones are part of a complex system modulating eating behaviour and energy expenditure. 5'-Deiodinase (5'-D) converts the relatively inactive thyroxine (T4) to triiodothyronine (T3), and its activity is an indirect measure of T3 production in peripheral tissues, particularly in the brain, intrascapular brown adipose tissue (IBAT), heart, liver, and kidney. We evaluated the effect of 5-HT on 5'-D activity during basal conditions and after short (30 min) cold exposure (thyroid stimulating hormone stimulation test, TST). 5'-D activity was assessed in the liver, hear

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Tho, Trinh Tien, Dang Van Hai, Dao Van Duong, Nguyen Minh Phu, and Momchil Vassilev. "Numerical Simulation of Human Head Temperature: New Data and Comparison." Journal of Advanced Research in Numerical Heat Transfer 30, no. 1 (2025): 108–19. https://doi.org/10.37934/arnht.30.1.108119.

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Controlling the temperature of the human head is vital for health and performance. Excessive heat can lead to conditions such as heat exhaustion and heatstroke. Since the head is a key area for dissipating heat, managing its temperature helps prevent overheating and related health issues. In this study, the bio-heat governing equation was solved using the finite difference method. The effects of ambient temperature (-10 to 40°C), air velocity (0 to 3 m/s), cerebral blood flow (0.1 to 9.45 kg/m3 s), and skin blood flow (0.1 to 3.2 kg/m3 s) on the temperature distribution in the head were invest

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Rabi, KARAALİ*. "EXERGY ANALYSIS OF HALF-EFFECT ABSORPTION COOLING CYCLES." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 5, no. 9 (2016): 405–11. https://doi.org/10.5281/zenodo.154222.

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Absorption cooling cycles are environmental, clean and economically driven cycles. By consuming very small electric power, they can use waste heat or solar energy for cooling. This work presents exergy analysis of a half effect absorption system. A computer program is developed by the author in FORTRAN codes for the thermodynamic properties of lithium bromide-water solutions to use for the exergy analysis. The half effect absorption systems have the advantage of using low temperature heat energy for cooling. The coefficient performance (COP) and the exergetic coefficient performance (ECOP) of

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Rajan, R. Anju, S. C. Edwin S.C. Edwin, K. Rajendran K. Rajendran, N. Murali N. Murali, and R. Kumar Pramod. "Effect of Heat Stress on Internal Organs of Four Chicken Varieties." International Journal of Scientific Research 3, no. 8 (2012): 467–68. http://dx.doi.org/10.15373/22778179/august2014/148.

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Liu, Xiao, Yuan Fu Cao, and Ti En Zhang. "Experimental Study on Boiling Heat Transfer in Cylinder Head Jacket." Advanced Materials Research 433-440 (January 2012): 18–23. http://dx.doi.org/10.4028/www.scientific.net/amr.433-440.18.

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Experiments of the valve bridge are carried out and the boiling states are investigated, to study the boiling heat transfer in cylinder head jacket. The effects of inlet flow rate and temperature on boiling heat flux are analyzed, as well as the thickness of fire deck. The results show that the inlet velocity has little effect on the velocity in valve bridge zone, even the velocity in the valve bridge zone can strongly affect on boiling heat transfer. The results can offer references to practical application in power-enhanced diesel engine.

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Krisdiyanto, Krisdiyanto, Rahmad Kuncoro Adi, Sudarisman Sudarisman, and Sinin Bin Hamdan. "An analysis of tube thickness effect on shell and tube heat exchanger." Eastern-European Journal of Enterprise Technologies 1, no. 8 (109) (2021): 25–35. http://dx.doi.org/10.15587/1729-4061.2021.225334.

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Heat exchangers are important equipment for the process of placing heat. The most widely used type of heat exchanger is shell and tube. This type is widely used because of its simple and easy design. Design of shell and tube heat exchangers is done by the side or shell variations to get the desired performance. Therefore, research is conducted to study the effect of tube thickness on heat transfer, pressure drop, and stress that occurs in the shell and tube heat exchanger so that the optimal tube thickness is obtained. In this research, the activities carried out are the design of heat exchang

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Krisdiyanto, Krisdiyanto, Kuncoro Adi Rahmad, Sudarisman Sudarisman, and Bin Hamdan Sinin. "An analysis of tube thickness effect on shell and tube heat exchanger." Eastern-European Journal of Enterprise Technologies 1, no. 8(109) (2021): 25–35. https://doi.org/10.15587/1729-4061.2021.225334.

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Heat exchangers are important equipment for the process of placing heat. The most widely used type of heat exchanger is shell and tube. This type is widely used because of its simple and easy design. Design of shell and tube heat exchangers is done by the side or shell variations to get the desired performance. Therefore, research is conducted to study the effect of tube thickness on heat transfer, pressure drop, and stress that occurs in the shell and tube heat exchanger so that the optimal tube thickness is obtained. In this research, the activities carried out are the design of heat exchang

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37

Currie, J. M., and D. J. Adamson. "The thrombolytic effect of heat." Postgraduate Medical Journal 69, no. 807 (1993): 55–56. http://dx.doi.org/10.1136/pgmj.69.807.55.

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38

McCormick, P. G. "Effect of heat recovery on the performance of a shape-memory effect heat engine." Applied Energy 27, no. 4 (1987): 289–304. http://dx.doi.org/10.1016/0306-2619(87)90023-7.

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Wang, Yi, Tiejun Lu, Xianglei Liu, Adriano Sciacovelli, and Yongliang Li. "Heat Transfer of Near Pseudocritical Nitrogen in Helically Coiled Tube for Cryogenic Energy Storage." Energies 15, no. 8 (2022): 2752. http://dx.doi.org/10.3390/en15082752.

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This paper investigates the cryogenic heat transfer phenomena of nitrogen flowing in helically coiled tubes under the combined effects of pseudocritical conditions, buoyancy, and coil curvature. The ultimate goal was to design optimum heat exchangers for liquid air energy storage. Local heat transfer coefficients were evaluated peripherally across tube cross sections. The pressure, mass flux, and heat flux effects on the heat transfer were examined. The dual effect of buoyancy and coil curvature on heat transfer coefficients was interpreted via a dimensionless number Ψ, which denotes a ratio b

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40

Zhao, Yu, and Guangyu Zhang. "Thermal Effect of the Back Radiation from Disk to Head after Laser Heating in HAMR." Applied Sciences 13, no. 17 (2023): 9730. http://dx.doi.org/10.3390/app13179730.

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In a heat-assisted magnetic recording, the thermal effect of the head/disk interface has an important influence on the stability of the recording data. In this paper, we will discuss the thermal radiation from the disk, more specifically, the magnetic recording layer, which is at high temperature after laser heating, to the magnetic head, which is at room temperature. The radiative heat flux can be represented by the Poynting vector. In the near-field band, an effective way to obtain the electromagnetic fields is to solve the Maxwell’s equations combined with fluctuational electrodynamics. The

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Darkwa, J., W. Su, and D. H. C. Chow. "Heat dissipation effect on a borehole heat exchanger coupled with a heat pump." Applied Thermal Engineering 60, no. 1-2 (2013): 234–41. http://dx.doi.org/10.1016/j.applthermaleng.2013.07.011.

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Li, Peng. "Analysis of the Impact of Land Use Planning on Urban Heat Island Effect." Frontiers in Science and Engineering 4, no. 2 (2024): 42–48. http://dx.doi.org/10.54691/az33z083.

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This paper reviews the research progress and prospects of urban heat island effect, and systematically analyzes and evaluates the formation mechanism, influencing factors and mitigation measures of urban heat island effect from three aspects: observation, simulation and mitigation. Urban heat island effect is a typical environmental problem in the process of urbanization, which has important impacts on the climate, ecology, energy, health and other aspects of the city. The research of urban heat island effect has important theoretical significance and practical value, and provides scientific b

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Md., Saddam Hussiain, Punaykanti S., Ranjan Panda Rashmi, and Mohanta Dillip. "Effect of Heat Treatment in Low Carbon Steel." International Journal of Engineering and Management Research 8, no. 2 (2018): 87–90. https://doi.org/10.5281/zenodo.3361972.

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Low carbon steel is easily available and cheap having all material properties that are acceptable for many applications. Heat treatment on low carbon steel is to improve ductility, to improve toughness, strength, hardness and tensile strength and to relive internal stress developed in the material. Here basically the experiment of harness and ultimate tensile strength is done to get idea about heat treated low carbon steel, which has extensive uses in all industrial and scientific fields

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Mustafvi, Sajid Ali, Nadeem Yousaf, Zainab Amjad, Tahir Ahamd Munir, Syed Shoiab Shah, and Rehan Majeed. "HEAT RELATED ILLNESSES." Professional Medical Journal 22, no. 05 (2015): 546–53. http://dx.doi.org/10.29309/tpmj/2015.22.05.1264.

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Objective: To study the adaptive strategies from harmful effect of heat waveon an urban, educated, well to do subjects for a period of May to July 2014.Data Source:250 selected young students of RIHS. Design of Study: Descriptive Study. Setting: RawalInstitute of Health Sciences, Islamabad. Period: March – July 2014. Method: A questionnairewas circulated among the students of Rawal Institute of Health Sciences Islamabad regardingeffects of heat and measures taken to combat its effects. Results: A total of 250 urban studentswith mean age of 19.77±1.10 years were inducted in the study, having re

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BRESTER, A. E., V. I. ZHUKOV, D. A. SHVETSOV, and A. N. PAVLENKO. "EFFECT OF LIQUID LAYER HEIGHT ON HEAT TRANSFER DURING EVAPORATION/BOILING UNDER LOW-PRESSURE CONDITIONS." Herald of Technological University 27, no. 10 (2024): 74–78. https://doi.org/10.55421/1998-7072_2024_27_10_74.

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The paper presents experimental data on the effect of the height of the horizontal layer of liquid on heat transfer obtained in an experimental setup, which is a thermosiphon. The installation is a cylindrical apparatus with a diameter of 120 mm and height of 300 mm made of steel 12Х18Н10Т. N-dodecane was used as a working fluid. The pressure in the working chamber was varied in the range from 33 Pa to 20 kPa, and the height of the liquid layer from 1.4 mm to 40 mm. It was found that no bubble boiling was observed in the pressure range less than 10 kPa, and increasing the height of the liquid

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Zhao, Qijin, Xianghua Bai, Baoquan Mao, and Zili Liao. "Flow and heat transfer characteristics of conductive gases in circular tubes under applied magnetic fields with different orientations." Physics of Fluids 34, no. 3 (2022): 035112. http://dx.doi.org/10.1063/5.0085009.

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Controlling the flow and heat transfer characteristics of conductive gases in circular tubes by means of applied magnetic fields is of great significance in various applications. However, the specific effects of magnetic fields with different orientations on these flow and heat transfer characteristics remain poorly understood. This paper addresses this issue by applying numerical calculations for evaluating the effect of magnetic fields (MFs) with different magnitudes defined according to the Hartmann number ( Ha) ranging from 0 to 740 and orientation, including transverse (TMFs), axial (AMFs

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Shin, Byung-Hyun, Jinsurang Lim, Doo-In Kim, et al. "Effect of Heat Treatment Duration on the Recrystallization and Electrochemical Properties of Cold-Rolled Cantor-Type High-Entropy Alloy." Materials 18, no. 10 (2025): 2298. https://doi.org/10.3390/ma18102298.

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High-entropy alloys (HEAs), such as the Cantor alloy, are considered for various structural applications owing to their excellent corrosion resistance and high strength at low temperatures, typically below −70 °C, including cryogenic conditions. However, during metalworking, introducing stresses and grain refinement can reduce the corrosion resistance of HEAs. Recrystallization heat treatment relieves these stresses and homogenizes the grain structure, thereby restoring their corrosion resistance and physical properties. However, inadequate heat treatment can result in a microstructure in whic

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Rana, MS, MA Hashem, S. Akhter, M. Habibullah, MH Islam, and RC Biswas. "Effect of heat stress on carcass and meat quality of indigenous sheep of Bangladesh." Bangladesh Journal of Animal Science 43, no. 2 (2014): 147–53. http://dx.doi.org/10.3329/bjas.v43i2.20717.

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The research was conducted to study the effect of heat stress on carcass characteristics and meat quality in indigenous sheep. Nine sheep were divided into three groups which were almost similar in age, sex and weight. Three groups were divided as zero hour (T0), four hours (T4) and eight hours (T8) heat exposure to direct sunlight. During experimental period temperaturehumidity index (THI) value was calculated as 27.09 which indicated T4 and T8 groups were subjected to heat stress condition for at least four hours and eight hours respectively every day. Slaughter weight, body length and hear

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Aharoni, Y., A. Brosh, and E. Ezra. "Effects of heat load and photoperiod on milk yield and composition in three dairy herds in Israel." Animal Science 69, no. 1 (1999): 37–47. http://dx.doi.org/10.1017/s1357729800051079.

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AbstractEffects of heat load and of photoperiod on lactation performance were evaluated using milk test data of three Israeli Holstein herds over a period of 3 years, from 1994 to 1996. All together 2209 cows, with 28029 milk records, were included. Photoperiod effects were examined as associated with day length and daily changes in day length and heat load index was formulated as a function of the seasonal day and night ambient temperatures, to account for the heat load effect. The regression model included effects of cow, herd, year, lactation number and days in milk in addition to the seaso

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Muzammil, Mohammad, Abid Ali Khan, and Faisal Hasan. "Effect of noise, heat stress and exposure duration on operators in a die casting operation." Occupational Ergonomics 7, no. 4 (2008): 233–45. http://dx.doi.org/10.3233/oer-2007-7402.

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The present study was designed to investigate the effect of noise and heat stress on operators of various age groups performing die casting operation at varying exposure durations. The independent variables selected were age of operator (20–25, 25–30 and 30–35 years), equivalent levels of noise (90, 95 and 100 dB(A)), heat stress (35, 40 and 45°C wet bulb globe temperature) and exposure duration (5, 10 and 15 minutes) while the dependent variable was heart rate measured with the help of pulse-oximeter. The results of the study showed that the main effects of heat stress, equivalent noise level

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