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518 results for “heat”
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Research ArticleOpen accessEvery word in the titleSimulation of Heat Flow in Computational Method and Its Verification on the Structure and Property of Gray Cast IronS. K. Shaha, M. M. HaqueProblem statement: The solidification of materials depends on the cooling rate of the materials which is governed by heat flow in the mould and alloy composition. Solidification rate also affects the structure and properties of the materials. Approach: In the present study, the heat flow of cold set resin bonded sand mould was simulated using JL Analyzer FEM analysis software. … …American Journal of Applied Sciences, Vol. 7, Issue 6 · 30 Jun 2010 · 7,355 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleWaste Heat Recovery by Heat Pipe Air-Preheater to Energy Thrift from the Furnace in a Hot Forging ProcessLerchai Yodrak, Sampan Rittidech, Nattapol Poomsa-ad, Pattanapol MeenaProblem statement: Currently, the heat pipe air-preheater has become importance equipment for energy recovery from industrial waste heat because of its low investment cost and high thermal conductivity. Approach: This purpose of the study was to design, construct and test the waste heat recovery by heat pipe air-preheater from the furnace in a hot brass forging process. The mathematical model … …American Journal of Applied Sciences, Vol. 7, Issue 5 · 31 May 2010 · 8,213 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleIn-Cylinder Heat Transfer Characteristics of Hydrogen Fueled Engine: A Steady State ApproachM. M. Rahman, Khalaf I. Hamada, M. M. Noor et al.This study presents in-cylinder heat transfer characteristics of a single cylinder port injection Hydrogen fueled Internal Combustion Engine (H2ICE) using a steady state approach. Problem statement: The differences in characteristics between hydrogen and hydrocarbon fuels are led to the difference in the behavior of physical processes during engine cycle. One of these processes is the in-cylinder heat transfer. Approach: One … …American Journal of Environmental Sciences, Vol. 6, Issue 2 · 30 Apr 2010 · 7,431 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleSustainable Development through Waste Heat RecoveryP. S. Bundela, Vivek ChawlaProblem statement: Waste Heat Recovery (WHR) steam Technology is a proven Technology pioneered by Japanese for cement plant and it is economically viable. Electrical Power can be generated by adopting the latest technology in this field. It used a medium to low temperature (120-350°C) Turbine technology (standard thermal power plants run on steam temp-500°C). Approach: It requires treat exchangers (Hx) … …American Journal of Environmental Sciences, Vol. 6, Issue 1 · 28 Feb 2010 · 7,406 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleA Novel Approach for Cooling Electronics Using a Combined Heat Pipe and Thermoelectric ModuleBanjerd Saengchandr, Nitin V. AfzulpurkarThe development of effective cooling systems for microprocessors, specifically for CPU and other computer chips, is greatly important due to growth of high speed performance chips, which operate at elevated heat rates. The same issues apply for adjacent units including RAM and HDD also contributing to overall generation of heat inside computer. Problem statement: Conventional cooling system for desktop PC … …American Journal of Engineering and Applied Sciences, Vol. 2, Issue 4 · 31 Dec 2009 · 7,369 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEffect of Evaporator Section Lengths and Working Fluids on Operational Limit of Closed Loop Oscillating Heat Pipes with Check Valves (CLOHP/CV)P. Meena, S. Rittidech, P. TammasaengThis research aims to the effect of evaporator section lengths and working fluids on operational limit of closed loop oscillating heat pipes with check valves (CLOHP/CV) with R123 Ethanol and Water were used as the working fluids. A set of CLOHP/CV was made of copper tubes in combination of following dimension: 1.77 mm inside diameter: 10 turns: 5, 10 and … …American Journal of Applied Sciences, Vol. 6, Issue 1 · 31 Jan 2009 · 7,779 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleA Simple Tubesheet Layout Program for Heat ExchangersS. Murali, Y. Bhaskar RaoThe development of tubesheet layout program for shell and tube heat exchangers is presented in this study. Program is written in AutoLISP language, which provides standard tubesheet layout drawing as per standard codes and non standard tubsheet in AutoCAD Environment. The program computes the optimal number of tube count and lays out drawing with respecting constraints, including the shell ID, … …American Journal of Engineering and Applied Sciences, Vol. 1, Issue 2 · 30 Nov 2008 · 9,053 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleHeat Transfer Investigation of Intake Port Engine Based on Steady-State and Transient SimulationSemin, Abdul Rahim Ismail, Rosli Abu Bakar, Ismail AliThis research is presents the gas flow heat transfer investigation in the intake port of four stroke direct injection compression ignition engine using GT-Suite software for steady-state and transient simulation. To investigate and simulate the intake port gas flow heat transfer profile of compression ignition engine is using GT-Power engine model were developed in this research. GT-Power is sub-system menu … …American Journal of Applied Sciences, Vol. 5, Issue 11 · 30 Nov 2008 · 6,930 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleSimulation Studies on A Cross Flow Plate Fin Heat ExchangerM. Thirumarimurugan, T. Kannadasan, E. RamasamyCompact heat exchangers which were initially developed for the aerospace industries in the 1940s have been considerably improved in the past few years. The main reasons for the good performance of compact heat exchangers are their special design which includes turbulent which in turn use high heat transfer coefficient and resists fouling, and maximum temperature driving force between the hot … …American Journal of Applied Sciences, Vol. 5, Issue 10 · 31 Oct 2008 · 7,241 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEffect of Inclination Angle on Performance Limit of a Closed-End Oscillating Heat PipeT. Hudakorn, P. Terdtoon, P. SakulchangsatjataiThis study presents the effect of inclination angle on the performance limit of a Closed-End Oscillating Heat Pipe (CEOHP). The study was divided into 2 corresponding parts. The first part was visual study. The CEOHP was made of Pyrex glass tube with the inner diameter of 1.0 mm, evaporator length of 50 mm and had 10 meandering turns. The lengths … …American Journal of Engineering and Applied Sciences, Vol. 1, Issue 3 · 30 Sep 2008 · 7,522 accessesView PDFCite