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Journal articles on the topic 'Heat Flux Meter'

Author: Grafiati

Published: 14 March 2023

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1

Brajuskovic, Branislav, and Naim Afgan. "A heat flux-meter for ash deposit monitoring systems—II. ‘Clean’ heat flux-meter characteristics." International Journal of Heat and Mass Transfer 34, no. 9 (1991): 2303–15. http://dx.doi.org/10.1016/0017-9310(91)90056-k.

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2

Martins, N., H. Calisto, N. Afgan, and A. I. Leontiev. "The transient transpiration heat flux meter." Applied Thermal Engineering 26, no. 14-15 (2006): 1552–55. http://dx.doi.org/10.1016/j.applthermaleng.2005.11.027.

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3

Watts, D. B., E. T. Kanemasu, and C. B. Tanner. "Modified heat-meter method for determining soil heat flux." Agricultural and Forest Meteorology 49, no. 4 (1990): 311–30. http://dx.doi.org/10.1016/0168-1923(90)90004-p.

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4

Karabekova, D. Zh. "MAIN CHARACTERISTICS OF THE HEAT FLOW METER." Eurasian Physical Technical Journal 19, no. 2 (40) (2022): 71–74. http://dx.doi.org/10.31489/2022no2/71-74.

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The problems and prospects of application of non-destructive testing methods for technical diagnostics of the thermal networks state and various technological objects are discussed. The recording of the temperature state of thermal processes by using a flow meter is due to its sensitivity to the change of thermophysical characteristics and the ability to control without the use of an external energy source, etc. The description of the developed device to measuring of the heat flow using of a thermoelectric heat flow converter of a special design is shown. A distinctive feature of the device is

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5

Taler, Jan, Dawid Taler, Tomasz Sobota, and Piotr Dzierwa. "New technique of the local heat flux measurement in combustion chambers of steam boilers." Archives of Thermodynamics 32, no. 3 (2011): 103–16. http://dx.doi.org/10.2478/v10173-011-0016-2.

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New technique of the local heat flux measurement in combustion chambers of steam boilers A new method for measurement of local heat flux to water-walls of steam boilers was developed. A flux meter tube was made from an eccentric tube of short length to which two longitudinal fins were attached. These two fins prevent the boiler setting from heating by a thermal radiation from the combustion chamber. The fins are not welded to the adjacent water-wall tubes, so that the temperature distribution in the heat flux meter is not influenced by neighbouring water-wall tubes. The thickness of the heat f

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6

Xizhong, Zhang, Dai Zizhu, and Zhou Genhong. "Application of the heat flux meter in physiological studies." Journal of Thermal Biology 18, no. 5-6 (1993): 473–76. http://dx.doi.org/10.1016/0306-4565(93)90079-9.

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7

Filtz, J. R., T. Valin, J. Hameury, and J. Dubard. "New Vacuum Blackbody Cavity for Heat Flux Meter Calibration." International Journal of Thermophysics 30, no. 1 (2008): 236–48. http://dx.doi.org/10.1007/s10765-008-0452-7.

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8

Gabriel Poloniecki, José, Antoine Vianou, and Emmanouil Mathioulakis. "Steady-state analysis of the zero-balance heat-flux meter." Sensors and Actuators A: Physical 49, no. 1-2 (1995): 29–35. http://dx.doi.org/10.1016/0924-4247(95)01009-p.

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9

Ren, Miaomiao, Jianjun Zhi, Zhengjie Fan, Ruizhi Wang, Yanli Chen, and Jian Yang. "Influence of Ladle Exchange on Inclusions in Transition Slabs of Continuous Casting for Automotive Exposed Panel Steel." Metals 13, no. 2 (2023): 404. http://dx.doi.org/10.3390/met13020404.

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In the present work, inclusion analyses were carried out for inclusions in the tundish samples and in the 28 m transition slabs produced during the ladle exchange of heats A and B. At the beginning of heat B steel casting, the 12th meter of the casting slabs was in the position of the mold meniscus. The number of densities of the inclusions containing TiN and the inclusions containing Al2O3+TiN increased significantly from the 12th meter to the 22nd meter, while the number densities of the inclusions containing Al2O3 markedly increased from the 13th meter to the 20th meter. Therefore, the leng

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10

Gumbarević, Sanjin, Bojan Milovanović, Mergim Gaši, and Marina Bagarić. "Application of Multilayer Perceptron Method on Heat Flow Meter Results for Reducing the Measurement Time." Engineering Proceedings 2, no. 1 (2020): 29. http://dx.doi.org/10.3390/ecsa-7-08272.

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To reduce the impact on climate change, many countries have developed strategies for the building sector with a goal to reduce the energy demands and carbon emission of buildings. As most buildings that exist today will very likely exist in foreseeable future, many buildings will need to undergo major renovations. One of the most important parameters in determining the transmission heat losses through the building envelope is the U-value, i.e., thermal transmittance, and it is simply the rate of heat transfer per unit temperature. Since the U-value is one of the most important parameters regar

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11

Crossley, Jacob, A. N. M. Taufiq Elahi, Mohammad Ghashami, and Keunhan Park. "Characterization of commercial thermoelectric modules for precision heat flux measurement." Review of Scientific Instruments 93, no. 11 (2022): 114903. http://dx.doi.org/10.1063/5.0115915.

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In this article, we present a cost-effective approach to the precision measurement of heat flux using commercial thermoelectric modules (TEMs). Two different methods of measuring heat flux with TEMs are investigated, namely, passive mode based on the Seebeck effect and active mode based on the Peltier effect. For both modes, a TEM as a heat flux meter is calibrated to show a linear relation between the voltage across the TEM and the heat flux from 0 to ∼450 W m−2. While both modes exhibit sufficiently high sensitivities suitable for low heat flux measurement, active mode is shown to be ∼7 time

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12

Taler, Jan, Dawid Taler, and Andrzej Kowal. "Measurements of absorbed heat flux and water-side heat transfer coefficient in water wall tubes." Archives of Thermodynamics 32, no. 1 (2011): 77–88. http://dx.doi.org/10.2478/v10173-011-0004-6.

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Measurements of absorbed heat flux and water-side heat transfer coefficient in water wall tubes The tubular type instrument (flux tube) was developed to identify boundary conditions in water wall tubes of steam boilers. The meter is constructed from a short length of eccentric tube containing four thermocouples on the fire side below the inner and outer surfaces of the tube. The fifth thermocouple is located at the rear of the tube on the casing side of the water-wall tube. The boundary conditions on the outer and inner surfaces of the water flux-tube are determined based on temperature measur

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13

Xiang-yuan, ZHENG, YE Xin, LUO Zhi-tao, WANG Kuo-chuan, and SONG Bao-qi. "Uncertainty analysis and evaluation of a high-precision radiative heat-flux meter." Chinese Optics 15 (2022): 1–9. http://dx.doi.org/10.37188/co.2022-0023.

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14

Green, A. E., K. J. McAneney, and J. P. Lagouarde. "Sensible heat and momentum flux measurement with an optical inner scale meter." Agricultural and Forest Meteorology 85, no. 3-4 (1997): 259–67. http://dx.doi.org/10.1016/s0168-1923(96)02388-x.

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15

Liao, Bin. "The Research of the Ultrasonic Heat Meter Adopting the Two Reflection Structure." Advanced Materials Research 328-330 (September 2011): 2010–13. http://dx.doi.org/10.4028/www.scientific.net/amr.328-330.2010.

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The pattern of using the household billing to promote heating energy savings has become a focus discussion in the current national energy conservation. The key factor for following such way is to find a reasonable heat meter. To the national standard CJ128-2007, the length of the heat meter body is limited to 130/190 mm, compared with the actual diameter of the tube is 18 mm(standard20), the measuring of the small flux by ultrasonic is to some extend difficult. In this paper, we report a research of a two reflection structure flow meter. By a procedure of twice reflection, the effective distan

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16

Zhang, Kexin, Ying Su, Haiyu Wang, et al. "Highly Concentrated Solar Flux of Large Fresnel Lens Using CCD Camera-Based Method." Sustainability 14, no. 17 (2022): 11062. http://dx.doi.org/10.3390/su141711062.

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Fresnel lens is a kind of lens that can concentrate sunlight up to a level of thousands of suns with small space occupation which is widely used in the research of sunlight concentration and transmission systems via optical fiber. Most studies on the concentrated flux of lenses use experimental methods to measure the flux distribution on the receiver of parabolic trough solar concentrators, solar power towers, and parabolic dish concentrators, while for Fresnel lenses, especially large-aperture Fresnel lenses such as the one in this manuscript, the simulation approach was mostly used. In respo

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17

Brajuskovic, Branislav, Miodrag Matovic, and Naim Afgan. "A heat flux-meter for ash deposit monitoring systems—I. Ash deposit prevention." International Journal of Heat and Mass Transfer 34, no. 9 (1991): 2291–301. http://dx.doi.org/10.1016/0017-9310(91)90055-j.

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18

Sekma, H., Y. H. Park, and F. Vivier. "Time-Mean Flow as the Prevailing Contribution to the Poleward Heat Flux across the Southern Flank of the Antarctic Circumpolar Current: A Case Study in the Fawn Trough, Kerguelen Plateau." Journal of Physical Oceanography 43, no. 3 (2013): 583–601. http://dx.doi.org/10.1175/jpo-d-12-0125.1.

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Abstract The major mechanisms of the oceanic poleward heat flux in the Southern Ocean are still in debate. The long-standing belief stipulates that the poleward heat flux across the Antarctic Circumpolar Current (ACC) is mainly due to mesoscale transient eddies and the cross-stream heat flux by time-mean flow is insignificant. This belief has recently been challenged by several numerical modeling studies, which stress the importance of mean flow for the meridional heat flux in the Southern Ocean. Here, this study analyzes moored current meter data obtained recently in the Fawn Trough, Kerguele

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19

Taler, Jan, and Dawid Taler. "Tubular Type Heat Flux Meter for Monitoring Internal Scale Deposits in Large Steam Boilers." Heat Transfer Engineering 28, no. 3 (2007): 230–39. http://dx.doi.org/10.1080/01457630601066889.

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20

Wei, Xianggeng, Zhongxu Yang, Shaohua Zhu, Zhixin Zhao, Jinying Ye, and Oskar J. Haidn. "The Confirmation of Thermal Boundary Parameters in an Oxygen Kerosene Fuel-Rich Rocket Engine." Aerospace 9, no. 7 (2022): 343. http://dx.doi.org/10.3390/aerospace9070343.

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The thermal environment is an important factor in the design of liquid rockets. In this paper, theoretical analysis, numerical simulation and experimental testing are conducted to study the boundary thermal characteristics of a GOX/kerosene liquid rocket motor with a total flow rate of 120 g/s and an oxygen-fuel ratio of 1:1. We measured the axial temperature in different positions in the combustor using thermocouples and the heat flux using a flux meter. We found that the heat flux at 182 mm increases by 6.8% when a carbon deposit exists. For the theoretical results, after correcting the ther

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21

Guo, Wei, Anqi Chen, You Lv, Yuan Zhu, and Jinda Wu. "Microscale heat-flux meter for low-dimensional thermal measurement and its application in heat-loss modified Angstrom method." International Journal of Heat and Mass Transfer 169 (April 2021): 120938. http://dx.doi.org/10.1016/j.ijheatmasstransfer.2021.120938.

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22

Tahsini, Amir Mahdi, and Samaneh Tadayon Mousavi. "Ablative Heat Shield Design for Reentry Vehicle Using Numerical Analysis." Applied Mechanics and Materials 598 (July 2014): 298–303. http://dx.doi.org/10.4028/www.scientific.net/amm.598.298.

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At this paper, the thermal behavior of ablative materials as heat shields for reentry vehicles is investigated numerically. A one-dimensional finite difference solver is developed to simulate governing mass and energy equations. Four ablative materials; AVCO 5026-HCG, Carbon-Phenolic, Nylon-Phenolic, and Silica-Phenolic; are considered as a heat shield material for a reentry capsule with the diameter 2.8 meter. A heat flux profile from a simulated trajectory of a reentry capsule is used for investigation the performance and essential thickness of these four ablative materials. The only restric

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23

Parken, W. H., L. S. Fletcher, V. Sernas, and J. C. Han. "Heat Transfer Through Falling Film Evaporation and Boiling on Horizontal Tubes." Journal of Heat Transfer 112, no. 3 (1990): 744–50. http://dx.doi.org/10.1115/1.2910449.

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Evaporation and boiling heat transfer coefficients are presented for thin, distilled water films flowing over the outside of horizontal, electrically heated brass tubes. Tests were conducted with a thin-slot water distribution system for 2.54- and 5.08-cm-dia smooth tubes. Both local and average heat transfer data were obtained for nonboiling and boiling conditions corresponding to feedwater temperatures ranging from 49 to 127°C and heat-flux values ranging from 30 to 80 kW/m2. Feed-water flow rates ranged from 0.135 to 0.366 kg/s per meter length per side of the tube. Both nonboiling and boil

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Uusikivi, Jari, Jens Ehn, and Mats A. Granskog. "Direct measurements of turbulent momentum, heat and salt fluxes under landfast ice in the Baltic Sea." Annals of Glaciology 44 (2006): 42–46. http://dx.doi.org/10.3189/172756406781811150.

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AbstractMeasurements of under-ice turbulence were performed using an acoustic three-dimensional current meter with an attached fast-repetition temperature–conductivity sensor at two coastal areas in the Baltic Sea during two winters. Observations covered both the ice-growth and spring-melt periods. The objective of these measurements was to obtain knowledge of under-ice turbulence and oceanic heat and salt fluxes to and from the ice in the coastal fast-ice region using eddy correlation techniques. The maximum observed daily average heat flux was 1 Wm–2, and the maximum for 10 min periods was a

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25

Pereselkov, A., and O. Kruglyakova. "EXPERIMENTAL STUDY OF ELEMENTARY ACTS OF HYDRODYNAMICS AND HEAT TRANSFER DURING THE INTERACTION BETWEEN WATER DROPS AND FILM AND CASTING ROLLER SURFACE." Integrated Technologies and Energy Saving, no. 4 (December 12, 2022): 3–12. http://dx.doi.org/10.20998/2078-5364.2022.4.01.

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Experimental studies of the boundary conditions of heat transfer for the thermally stressed state of casting rollers while are spraying with flat-jet nozzles in a thermal preconditioning unit have been carried out. It is shown that the hydrodynamic conditions on the sprinkling surface are formed as a result of both the influx of "primary" dispersed water from the flat jet nozzle, and the "secondary" liquid coming from neighboring areas in the form of reflected drops and films. The heat transfer effecting individual factors that form the hydrodynamic conditions on the sprinkling sur

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26

Gohil, Kanishk, and Menglin S. Jin. "Validation and Improvement of the WRF Building Environment Parametrization (BEP) Urban Scheme." Climate 7, no. 9 (2019): 109. http://dx.doi.org/10.3390/cli7090109.

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The building environment parameterization scheme (BEP) is a built-in “urban physics” scheme in the weather research and forecasting (WRF) model. The urbanized College Park (CP) in Maryland state (MD) in the United States (US) covers an approximate land area of 14.8 km2 and has a population of 32,000 (reported by The United States Census Bureau, as of 2017). This study was an effort to validate and improve the BEP urban physics scheme for a small urban setting, College Park, MD. Comparing the WRF/BEP-simulated two-meter air temperatures with the local rooftop WeatherBug® observations and with t

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27

Vasilev, Aleksandr, Tommy Lorenz, Vikram G. Kamble, Sven Wießner, and Cornelia Breitkopf. "Thermal Conductivity of Polybutadiene Rubber from Molecular Dynamics Simulations and Measurements by the Heat Flow Meter Method." Materials 14, no. 24 (2021): 7737. http://dx.doi.org/10.3390/ma14247737.

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Thermal conductivities of polybutadiene rubbers crosslinked by 2.4 and 2.8 phr of sulfur have been found to be functions of temperature via molecular dynamics (MD) simulations using the Green–Kubo method. From an analysis of the heat flux autocorrelation functions, it has been revealed that the dominant means of heat transport in rubbers is governed by deformations of polymeric chains. Thermal conductivities of rubber samples vulcanized by 2.4 and 2.8 phr of sulfur have been measured by the heat flow meter method between 0 ∘C and 60 ∘C at atmospheric pressure. The temperature dependencies of t

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28

Hotra, Oleksandra, Svitlana Kovtun, Oleg Dekusha, Żaklin Grądz, Vitalii Babak, and Joanna Styczeń. "Analysis of Low-Density Heat Flux Data by the Wavelet Method." Energies 16, no. 1 (2022): 430. http://dx.doi.org/10.3390/en16010430.

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When evaluating the energy efficiency of buildings and implementing the necessary measures to increase energy efficiency levels, thermal technical characteristics are determined. For this purpose, in situ measurements of the thermal resistance of external enclosing structures were carried out. One of the methods most often used by researchers is the non-destructive method—the heat flow meter (HFM) method regulated by ISO 9869. In the case of surveying a building with a high level of thermal resistance, researchers are faced with low-density heat flux measurements, which is always a difficult t

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29

Ilchenko, Andriy. "The influence of some design parameters on the heat transfer in thermal fuel flowmeter." Journal of Mechanical Engineering and Transport 13, no. 1 (2021): 54–59. http://dx.doi.org/10.31649/2413-4503-2021-13-1-54-59.

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The article analyzes the influence, relationship and value of design parameters of the heat flow meter on its radial and axial heat fluxes in the tube (tube diameter, heater diameter and their ratio, thermal conductivity of the tube material, etc.). It is shown that at the stage of choosing the design parameters of the flowmeter it is necessary to take into account the influence of its radial heat flux on the axial one. The influence of radial heat flux in the flowmeter tube on the error of fuel loss measurement is substantiated. Analytical dependences which allow to define an axial heat strea

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Rasooli, Arash, and Laure Itard. "Quicker Measurement of Walls’ Thermal Resistance Following an Extension to ISO 9869 Average Method." E3S Web of Conferences 111 (2019): 04019. http://dx.doi.org/10.1051/e3sconf/201911104019.

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Determination of the thermo-physical characteristics of the buildings’ components is crucial to illustrate their thermal behavior and therefore their energy consumption. Along the same line, accurate determination of the thermal resistance of the building walls falls into one the most important targets. Following the difference between in-lab, and on site thermal performance of walls, in-situ measurements have been highly recommended. The most well-known practice for in-situ measurement of walls’ thermal resistance is the Average Method of ISO 9869, using one heat flux meter and two thermocoup

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31

Sheng, Chunchen, Peng Hu, and Xiaofang Cheng. "Design and calibration of a novel transient radiative heat flux meter for a spacecraft thermal test." Review of Scientific Instruments 87, no. 6 (2016): 064902. http://dx.doi.org/10.1063/1.4953339.

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32

Kamseu, E., B. Ceron, H. Tobias, et al. "Insulating behavior of metakaolin-based geopolymer materials assess with heat flux meter and laser flash techniques." Journal of Thermal Analysis and Calorimetry 108, no. 3 (2011): 1189–99. http://dx.doi.org/10.1007/s10973-011-1798-9.

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33

de Rubeis, Tullio, Luca Evangelisti, Claudia Guattari, Domenica Paoletti, Francesco Asdrubali, and Dario Ambrosini. "How Do Temperature Differences and Stable Thermal Conditions Affect the Heat Flux Meter (HFM) Measurements of Walls? Laboratory Experimental Analysis." Energies 15, no. 13 (2022): 4746. http://dx.doi.org/10.3390/en15134746.

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In recent years, experimental tests related to building components through laboratory facilities have relatively matured. The techniques are based on one-dimensional heat transfer by creating a permanent temperature difference over a specimen to control heat fluxes. The three main methods are the Guarded Hot Box (GHB) method, the Calibrated Hot Box (CHB) method, and the Heat-Flow Meter method (HFM). The HFM method is the most widely applied technique for measuring on-site U-values of building components and several scientific works stressed the need for high temperature differences between the

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Usoltseva, Liliya O., Dmitry S. Volkov, Evgeny A. Karpushkin, Mikhail V. Korobov, and Mikhail A. Proskurnin. "Thermal Conductivity of Detonation Nanodiamond Hydrogels and Hydrosols by Direct Heat Flux Measurements." Gels 7, no. 4 (2021): 248. http://dx.doi.org/10.3390/gels7040248.

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The methodology and results of thermal conductivity measurements by the heat-flow technique for the detonation nanodiamond suspension gels, sols, and powders of several brands in the range of nanoparticle concentrations of 2–100% w/w are discussed. The conditions of assessing the thermal conductivity of the fluids and gels (a FOX 50 heat-flow meter) with the reproducibility (relative standard deviation) of 1% are proposed. The maximum increase of 13% was recorded for the nanodiamond gels (140 mg mL−1 or 4% v/v) of the RDDM brand, at 0.687 ± 0.005 W m−1 K−1. The thermal conductivity of the nano

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35

Wu, Guangdong, Xiao Zhang, and Jijun Xu. "Spatial Variability Pattern of Hyporheic Exchange in a braided River." MATEC Web of Conferences 246 (2018): 01098. http://dx.doi.org/10.1051/matecconf/201824601098.

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The streambed flux is variable in space; the spatial variability results in part from bedforms, but few works on streambed fluxes in channels with strongly abrupt varying bedforms are carried out. Heat as a tracer to delineate the streambed flux pattern has been widely adopted in numerous fields. In this paper, a braided channel with complicated topography was selected as study site, where the temperature was monitored. One-dimensional (1-D) analytical method based on the amplitude attenuation (Ar) and 1-D numerical method were used to interpret the temperature. As a result, streambed fluxes o

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Lee, Ruda, Eunho Kang, Hyomun Lee, and Jongho Yoon. "Heat Flux and Thermal Characteristics of Electrically Heated Windows: A Case Study." Sustainability 14, no. 1 (2022): 481. http://dx.doi.org/10.3390/su14010481.

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Energy loss through windows can be high relatively compared to other opaque surfaces because insulation performance of fenestration parts is lower in the building envelope. Electrically heated window systems are used to improve the indoor environment, prevent condensation, and increase building energy efficiency. The purpose of this study is to analyze the thermal behaviors of a heated window under a field experiment condition. Experiments were conducted during the winter season (i.e., January and February) with the energy-efficient house that residents occupy. To collect measured data from th

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Kivisalu, M. T., P. Gorgitrattanagul, and A. Narain. "Results for high heat-flux flow realizations in innovative operations of milli-meter scale condensers and boilers." International Journal of Heat and Mass Transfer 75 (August 2014): 381–98. http://dx.doi.org/10.1016/j.ijheatmasstransfer.2014.03.056.

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Chen, Lin, and Hui Hui Zeng. "Influence of Preparing Conditions on the Property of a New White-Light Long Afterglow Phosphor Sr₂SiO₄: Pr³⁺." Advanced Materials Research 418-420 (December 2011): 274–77. http://dx.doi.org/10.4028/www.scientific.net/amr.418-420.274.

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A new white-light long afterglow phosphor Sr2SiO4: Pr3+was synthesized by solid-state reaction, the influence of preparing conditions on the luminous property of Sr2SiO4: Pr3+were studied, and characterized by X-ray diffractometer, fluorescence spectrophotometer and thermo luminescence(TL) meter. The results indicated that the emission spectra of phosphor is composed of bluish purple (390nm), green(535nm)and red(604nm)light emission, and the sample prepared at 1473K, heat treatment time for 4h, 0.5mol% Pr3+and 1mol% flux H3BO3 conditions shows the best property.

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39

Tsvetkov, N. A., A. N. Kozlobrodov, S. Boldyryev, S. V. Romanenko, T. N. Nemova, and D. N. Tsvetkov. "Thermophysical analysis of heat-insulated glued laminated profiled timber for wooden houses." IOP Conference Series: Earth and Environmental Science 866, no. 1 (2021): 012037. http://dx.doi.org/10.1088/1755-1315/866/1/012037.

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Abstract The paper presents the thermophysical analysis of two types of the wall system made of heat-insulated glued laminated timbers with connectors comprised of water-resisting multilayer plywood. The paper describes a novel timber configuration, which reduces the weight of one square meter area by 55% compared with an ordinary timber having a cross-section of 0.21 m × 0.21 m and saves not less than 60% of wood. The latter is highly relevant because forests remove carbon dioxide emissions from the atmosphere; reducing the use of wood in construction is of great importance for ecology. The A

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40

Shan, Qifeng, Keting Tong, Xiaocun Zhang, and Yushun Li. "Field Test and Simulation Analysis of Thermal Performance of Bamboo Steel Composite Wall in Different Climate Regions." Advances in Civil Engineering 2020 (October 14, 2020): 1–10. http://dx.doi.org/10.1155/2020/8854156.

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In this paper, a bamboo steel composite testing building was designed and built to study the thermal performance of a new proposed bamboo steel composite wall. The heat flux meter method was adopted in the field test to measure the heat transfer coefficient of the composite wall. The energy consumption of testing building was measured to verify the validity of the simulation model. Then, the simulation analysis was conducted to study the energy performance of the composite walls compared with reinforced concrete wall in different climate regions. The result showed that the measurement value of

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41

Kolås, Eivind, and Ilker Fer. "Hydrography, transport and mixing of the West Spitsbergen Current: the Svalbard Branch in summer 2015." Ocean Science 14, no. 6 (2018): 1603–18. http://dx.doi.org/10.5194/os-14-1603-2018.

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Abstract. Measurements of ocean currents, stratification and microstructure were made in August 2015, northwest of Svalbard, downstream of the Atlantic inflow in Fram Strait in the Arctic Ocean. Observations in three sections are used to characterize the evolution of the West Spitsbergen Current (WSC) along a 170 km downstream distance. Two alternative calculations imply 1.5 to 2 Sv (1 Sv = 106 m3 s−1) is routed to recirculation and Yermak branch in Fram Strait, whereas 0.6 to 1.3 Sv is carried by the Svalbard branch. The WSC cools at a rate of 0.20 ∘C per 100 km, with associated bulk heat los

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42

Ha, Ji Soo. "A Study on the Heat Flux Meter Location for the Performance Test of a Refrigerator Vacuum Insulation Panel." Korean Journal of Air-Conditioning and Refrigeration Engineering 25, no. 8 (2013): 471–76. http://dx.doi.org/10.6110/kjacr.2013.25.8.471.

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Coquard, R., and D. Baillis. "Modeling of Heat Transfer in Low-Density EPS Foams." Journal of Heat Transfer 128, no. 6 (2005): 538–49. http://dx.doi.org/10.1115/1.2188464.

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Expanded polystyrene (EPS) foams are one of the most widely used thermal insulators in the building industry. Owing to their very low density, both conductive and radiative heat transfers are significant. However, only few studies have already been conducted in the modeling of heat transfer in this kind of medium. This is due to their complex porous structure characterized by a double-scale porosity which has always been ignored by the previous works. In this study, we present a model of one-dimensional steady state heat transfer in these foams based on a numerical resolution of the radiation-

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Makaveckas, Tomas, Raimondas Bliūdžius, and Arūnas Burlingis. "The Influence of Different Facings of Polyisocyanurate Boards on Heat Transfer through the Wall Corners of Insulated Buildings." Energies 13, no. 8 (2020): 1991. http://dx.doi.org/10.3390/en13081991.

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Polyisocyanurate (PIR) thermal insulation boards faced with carboard, plastic, aluminum, or multilayer facings are used for thermal insulation of buildings. Facing materials are selected according to the conditions of use of PIR products. At the corners of the building where these products are joined, facings can be in the direction of the heat flux movement and significantly increase heat transfer through the linear thermal bridge formed in the connection of PIR boards with facing of both walls. Analyzing the installation of PIR thermal insulation products on the walls of a building, the stru

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Baniata, Hamza, Sami Mahmood, and Attila Kertesz. "Assessing anthropogenic heat flux of public cloud data centers: current and future trends." PeerJ Computer Science 7 (May 5, 2021): e478. http://dx.doi.org/10.7717/peerj-cs.478.

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Global average temperature had been significantly increasing during the past century, mainly due to the growing rates of greenhouse gas (GHG) emissions, leading to a global warming problem. Many research works indicated other causes of this problem, such as the anthropogenic heat flux (AHF). Cloud computing (CC) data centers (DCs), for example, perform massive computational tasks for end users, leading to emit huge amounts of waste heat towards the surrounding (local) atmosphere in the form of AHF. Out of the total power consumption of a public cloud DC, nearly 10% is wasted in the form of hea

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Ignatyuk, Aleksandr, S. Nikolenko, and Svetlana Sazonova. "THE PROCESS OF THERMAL IMAGING INSPECTION OF BUILDING ENVELOPES." Modeling of systems and processes 12, no. 4 (2020): 66–72. http://dx.doi.org/10.12737/2219-0767-2020-12-4-66-72.

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The paper analyzes and develops proposals to improve the energy efficiency of the building of MBOU «Lyceum No. 65» in Voronezh. The energy survey was carried out in order to comply with the requirements of Article 13 of Federal Law of November 23, 2010 No. 261-ФЗ «On Energy Saving and on Improving Energy Efficiency and on Amending Certain Legislative Acts of the Russian Federation». The survey was carried out using a Testo 881-2 thermal imager, a digital thermometer Testo 905-T2, a meter of heat flux density and ITP temperature - MG4.03 / 5 (I) «Potok».

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Li, Yinsheng, Jing Yang, Jinxiang Chen, and Jian Yin. "Study of the Heat Transfer Performance of Laminated Paper Honeycomb Panels." Biomimetics 8, no. 1 (2023): 46. http://dx.doi.org/10.3390/biomimetics8010046.

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To apply functional honeycomb panels (FHPs) in actual engineering projects, the heat transfer performance and intrinsic heat transfer mechanism of laminated honeycomb panels (LHPs, total thickness of 60 mm) with different structural parameters were investigated in this study by a heat flow meter. The results showed that (1) the equivalent thermal conductivity λequ of the LHP was almost independent of the cell size, when it consisted of a small single-layer thickness. Thus, LHP panels with a single-layer thickness of 15–20 mm are recommended. (2) A heat transfer model of LHPs was developed, and

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Sagia, Zoi, Athina Stegou, and Constantinos Rakopoulos. "Borehole Resistance and Heat Conduction Around Vertical Ground Heat Exchangers." Open Chemical Engineering Journal 6, no. 1 (2012): 32–40. http://dx.doi.org/10.2174/1874123101206010032.

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Borehole thermal resistance in Ground Heat Exchanger (GHE) installations is affected by several parameters such as geometrical attributes of heat exchanger in the borehole, pipes' characteristics and grout’s thermal conductivity. A study is carried out to compare the values computed by Ground Loop Design (GLD) Software, GLD 2009, with three ana-lytical solutions for U-shaped tubes. The analysis is focused on dimensionless ratios of borehole geometrical parameters (borehole diameter to outside pipe diameter and shank spacing to borehole diameter) and pipes according to Standard Di-mension Ratio

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Archer, D. E., and B. A. Buffett. "A two-dimensional model of the methane cycle in a sedimentary accretionary wedge." Biogeosciences 9, no. 8 (2012): 3323–36. http://dx.doi.org/10.5194/bg-9-3323-2012.

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Abstract. A two-dimensional model of sediment column geophysics and geochemistry has been adapted to the problem of an accretionary wedge formation, patterned after the margin of the Juan de Fuca plate as it subducts under the North American plate. Much of the model description is given in a companion paper about the application of the model to an idealized passive margin setting; here we build on that formulation to simulate the impact of the sediment deformation, as it approaches the subduction zone, on the methane cycle. The active margin configuration of the model shares sensitivities with

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Demetrescu, C., D. Nitoiu, C. Boroneant, A. Marica, and B. Lucaschi. "Thermal signal propagation in soils in Romania: conductive and non-conductive processes." Climate of the Past 3, no. 4 (2007): 637–45. http://dx.doi.org/10.5194/cp-3-637-2007.

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Abstract. Temperature data recorded in 2002 and 2003 at 10 stations out of the 70 available in the Romanian automatic weather stations network are presented and analyzed in terms of the heat transfer from air to underground. The air temperature at 2 m, the soil temperatures at 0, 5, 10, 20, 50 and 100 cm below the surface as well as rain fall and snow cover thickness have been monitored. The selected locations sample various climate environments in Romania. Preliminary analytical modelling shows that soil temperatures track air temperature variations at certain locations and, consequently, the

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