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371 articles for “Thermal”
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Research ArticleOpen accessEvery word in the titleTHERMAL CONDUCTIVITY OF RUBBERIZED GYPSUM BOARDTaher Abu-Lebdeh, Ellie Fini, Ashraf FadielThe disposal of scrap tires is a challenging task and hence an innovative solution to meet these challenges is needed. Extensive work has been done on the utilization of waste tires in a variety of applications in asphalt pavements and concrete. However, previous investigations focus only on the mechanical properties of the rubberized materials, but few on the thermal performance. … …American Journal of Engineering and Applied Sciences, Vol. 7, Issue 1 · 14 Mar 2014 · 8,787 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleUSE OF CRUMB RUBBER TO IMPROVE THERMAL EFFICIENCY OF CEMENT-BASED MATERIALSAshraf Fadiel, Fouad Al Rifaie, Taher Abu-Lebdeh, Ellie FiniMotivated by the tremendous trend toward green environment and to reduce the effect of scrap tires on the environment and human health, this research is an attempt to find a practical and environmentally sound solution of the problem of scrap tires by developing a light weight with low thermal conductivity composite construction materials using waste tires. A few literatures may … …American Journal of Engineering and Applied Sciences, Vol. 7, Issue 1 · 14 Mar 2014 · 12,212 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleDesigning and Manufacturing of a Non Thermal Milk Pasteurizer Using Electrical FieldAsaad Rehman Saeed Al-HilphyUsing of traditional milk pasteurization methods caused fouling by heat, particularly rapid pasteurization by ohmic heating at 220 volts resulted protein denaturation, when milk holding of 15 sec under ohmic heating at 72°C. So to control these properties a Non-thermal treatment by different electrical fields at 20, 27.5, 55 V/cm (80, 110, 220V, AC) and quickly milk pass between poles … …American Journal of Agricultural and Biological Sciences, Vol. 8, Issue 3 · 4 Sep 2013 · 7,484 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAn Investigation of Thermal Characteristics of a Sintered-Wick Heat Pipe with Double Heat SourcesNattawut Tharawadee, Pradit Terdtoon, Niti Kammuang-lueHeat pipes have been used extensively in the electronic industry for decades especially in laptop computers. For cost-effectiveness, a single heat pipe is designed to simultaneously transfer heat from both the Central Processing Unit (CPU) and the Graphics Processing Unit (GPU) inside the main board to the heat sink. This causes the efficiency of the heat pipe to change without … …American Journal of Applied Sciences, Vol. 10, Issue 9 · 24 Aug 2013 · 7,232 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleA Comparative Study of the Thermal Comfort of Different Building Materials in Sana’aMousa Ahmed Alhaddad, Zhou Tie JunThis study describes the impact of alternative building material envelope systems on the overall thermal performance of four selected materials used in Sana’a, Yemen. These systems included adobe, brick, stone and concrete block. After thorough on-site investigation and data collection, the information, along with regional weather data were input into the Ecotect energy simulation software for thermal performance evaluation. The … …American Journal of Engineering and Applied Sciences, Vol. 6, Issue 1 · 25 Jan 2013 · 8,580 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAn Evaluation of Thermal Imaging Based Respiration Rate Monitoring in ChildrenFarah AL-Khalidi, Reza Saatchi, Heather Elphick, Derek BurkeProblem statement: An important indicator of an individual’s health is respiration rate. It is the average number of times air is inhaled and exhaled per minute. Existing respiration monitoring methods require an instrument to be attached to the patient’s body during the recording. This is a discomfort to the patient and the instrument can be dislodged from its position. Approach: … …American Journal of Engineering and Applied Sciences, Vol. 4, Issue 4 · 31 Jul 2012 · 10,534 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleThermal Comfort Assessment-A Study Toward Workers’ Satisfaction in a Low Energy Office BuildingMohd Nafiz Shaharon, Juliana JalaludinProblem statement: The government of Malaysia has raised their concerns towards the issue of workers comfort and workspace quality in a Low Energy Office (LEO) building. New energy efficient building concepts and technologies require a revision of comfort standards, to create a suitable thermal condition in avoiding occupant dissatisfaction, adverse effect on their productivity and overall building performance. Approach: Assessment … …American Journal of Applied Sciences, Vol. 9, Issue 7 · 16 May 2012 · 8,802 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEarly Age Thermal Conditioning Improves Broiler Chick's Response to Acute Heat Stress at Marketing AgeAhmed M. Hassan, P. Gopal ReddyProblem statement: Acute heat stress at marketing age especially in broiler chickens raised in open houses with reduced means of heat exchange leads to economic losses. The objective of this study was to determine beneficial effects of early age thermal conditioning in reducing adverse effects of acute heat stress and decrease losses. Approach: Ninety one day-old broiler chicks were randomly … …American Journal of Animal and Veterinary Sciences, Vol. 7, Issue 1 · 17 Feb 2012 · 8,664 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleFree Convection over a Permeable Horizontal Flat Plate Embedded in a Porous Medium with Radiation Effects and Mixed Thermal Boundary ConditionsMohd Zuki Salleh, Najihah Mohamed, Roziena Khairuddin et al.Problem statement: In this study, the mathematical modeling of free convection boundary layer flow over a permeable horizontal flat plate embedded in a porous medium under mixed thermal boundary conditions and radiation effects is considered. Approach: The transformed boundary layer equations are solved numerically using the shooting method. Results: Numerical solutions are obtained for the wall temperature, the heat transfer … …Journal of Mathematics and Statistics, Vol. 8, Issue 1 · 8 Feb 2012 · 8,519 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEffect of Activation Energies on Thermal Explosion in the Interior of the EarthAmos Oladele PopoolaProblem statement: Literatures have shown that thermal processes in the interior of the earth and the classical thermal explosion are analogous and that combustion processes are characterized by ignition and explosion. The heat released during the thermal explosion that occurs in the interior of the earth requires more attention. Approach: The study investigated the role of activation energies ratio in … …Journal of Mathematics and Statistics, Vol. 7, Issue 3 · 27 Jul 2011 · 7,283 accessesView PDFCite