The water spray systems are effective protection systems in the confined or unconfined spaces to avoid the damage to building structures since the high temperature when fires occur.NFPA 15 and 502 have suggested respectively that the factories or vehicle tunnels install water spray systems to protect the machinery and structures.This study discussed the cooling effect of water spray systems (PDF) Investigation and Development of Spray Cooling An investigation of technological and design parameters of spraying jets and their effect on cooling capability of large steel forgings (e.g.,hot-rolling mill rolls) are presented.(PDF) Investigation of carbon based adsorbents for the Apart of cooling adsorption system can be utilized for other applications like water desalination ,carbon capturing  and ice production  etc.In this study,two carbon based adsorbent-ethanol pairs (Supersorbon HS4-ethanol and Dezorex DB1-ethanol) are selected in order to analyze their potential for the development of adsorption
Heat spray cooling which totally relies on the impact of a bunch of droplets has attracted much attention as a promising technology for high heat flux cooling .In previous experiments,spray (PDF) SPRAY COOLING OF LARGE STEEL PARTS METHODSInvestigation and Development of Spray Cooling Device for Heat Treatment of Large Steel Forgings August 2014 Materials Performance and Characterization Mikhail Maisuradze12345Next
CERTIFICATE This is to certify that the project report entitled Air Atomized Spray with Additives A Novel Cooling Methodology for the Development of Nanosteel submitted by Mr.Rashmi Ranjan Behera,Roll No 111CH0062 in partial fulfilment of the requirements for the award of B.Tech Degree in Chemical Engineering at the National Institute ofAn Investigation of Spray Cooling Thermal Management for Cader,T,Tolman,B,Tilton,C, Harris,MC.An Investigation of Spray Cooling Thermal Management for Semiconductor Burn-In. Proceedings of the ASME 2003 International Electronic Packaging Technical Conference and Exhibition.2003 International Electronic Packaging Technical Conference and Exhibition,Volume 1.Maui,Hawaii,USA.Cited by 1Publish Year 2020Author Jia-Xin Li,Yun-Ze Li,Yun-Ze Li,En-Hui Li,Tong LiSimplified model for the behaviour of a roof-spray cooling Jan 01,1989·Applied Energy 34 (1989) 69-77 Simplified Model for the Behaviour of a Roof-Spray Cooling System P.Gandhidasan Mechanical Engineering Department,The University of the West Indies,St Augustine,Trinidad,West Indies ABSTRACT Roof-spray cooling systems are used to reduce the heat flux entering through the roof of a building by spraying a fine mist of water on the roof surface.
Cited by 25Publish Year 2012Author Si Chunqiang,Shao Shuangquan,Tian Changqing,Xu HongboAnnals of Nuclear Energy
The investigation of uid dynamics and heat transfer parame- ters such as temperature and speed are useful when the heat removal efciency of spray cooling systems needs to be deter- mined.Cited by 25Publish Year 2012Author Si Chunqiang,Shao Shuangquan,Tian Changqing,Xu HongboDevelopment and experimental investigation of a novel Download PDF Download.Advanced.Applied Thermal Engineering.Volumes 3334,February 2012,Pages 246-252.Development and experimental investigation of a novel spray cooling system integrated in refrigeration circuit.Author links open overlay panel Si Chunqiang a b Shao Shuangquan a Tian Changqing a Xu Hongbo a.Cited by 2Publish Year 2003Author T.Cader,B.Tolman,C.Tilton,M.C.HarrisExperimental Investigation and Optimization of Airsteel test plate by air atomized water spray cooling.The air atomized water spray cooling experimental setup was designed and fabricated at School of Mechanical Engineering KIIT University,Odisha,India to investigate the role of various process parameters to enhance the
Cited by 3Publish Year 2019Author Jia-Xin Li,Yun-Ze Li,Ben-Yuan Cai,En-Hui LiNumerical Investigation on the Effectiveness of Water
Numerical Investigation on the Effectiveness of Water Spray Deluge in Providing Cooling,Smoke Dilution and Radiation Attenuation in Fires JENNIFER WEN1,SIAKA DEMBELE1,MANJIANG YANG2,VINCENT TAM3 and JIAN WANG2 1Faculty of Engineering,Kingston University,Friars Avenue,London SW15 3DW,UK 2State Key Laboratory of Fire Science,University of Science Technology of China,Cited by 4Publish Year 2015Author M.V.Maisuradze,Yu.V.Yudin,M.A.RyzhkovInvestigation of spray cooling performance on different Request PDF Investigation of spray cooling performance on different heat transfer surfaces with the rapid development of laser technology and high integrated circuit technology in the field of Cited by 7Publish Year 1989Author P.GandhidasanExperimental Investigation on Heat Transfer MechanismThe investigation conclusion also indicated that both the impact velocity and the spray ow rate increase with the growth of the inlet pressure,while the droplet size decreases.Under the same heat ux,the cooling ability of spray is proportional to the two dimensionless parametersReynolds
Feb 01,2012·A novel spray cooling system integrated in the refrigeration circuit is proposed and its performance is investigated experimentally.In this system,the inverter compressor is used to replace the pump in common spray systems,the nozzle plays the role of atomization and throttling,and the spray chamber has function of the evaporator.Development of Hard Secondary Cooling by HighCooling intensity in secondary cooling is an important factor for achieving high-speed casting.In this study,we investigated the effects of the hydraulic pressure and water flow rate of a cooling water spray on cooling intensity,and developed a more efficient secondary cooling system with a high-water pressure spray.Development of Spray Cooling for High Heat FluxThe thermal demands of modern day electronic systems require innovative thermal solutions.Spray cooling has proven to be able to cool heat fluxes orders of magnitude higher than traditional cooling methodologies.This work includes a comparison of spray cooling to
spray for lower water impingement densities.This shift of the Leidenfrost temperature was not observed for higher water impingement densities.Keywords spray cooling,surface orientation,heat transfer 1.INTRODUCTION Spray cooling technology for high temperature surfaces plays an important role in the metal production and processing industry.Experimental Investigation of the Influences of Fluid Together both experimental investigations covered Prandtl numbers between 2 and 58.But dielectric fluids cover a much wider range of fluid properties.Therefore this work presents an investigation on the effect of fluid properties on heat transfer for spray cooling below boiling temperature for Prandtl numbers between 5 and 328.Experimental investigation of oil spray cooling in Liu,Chuan (2020) Experimental investigation of oil spray cooling in electrical machines with hairpin windings.PhD thesis,University of Nottingham.PDF (Thesis - as examined) - Repository staff only until 30 September 2022.
Mar 25,2019·The internal spray mode improved the W B in the range of 3.55.2% compared to the external spray mode.Most of the W B values are within the acceptable range (above 60%) in the three water spray modes.The cooling load capacity increased by 12.5% with the internal spray mode and 25% with the mixed mode.Ground experimental investigations into an ejected spray Ground experimental investigations into an ejected spray cooling system for space closed-loop application Zhang Hongshenga,Li Yunzea,*,Wang Shengnanb,Liu Yanga,Zhong Minglianga a School of Aeronautic Science and Engineering,Beihang University,Beijing 100083,China bSchool of Automation Science and Electrical Engineering,Beihang University,Beijing 100083,ChinaINVESTIGATION AND DEVELOPMENT OF SPRAY2 INVESTIGATION AND DEVELOPMENT OF SPRAY COOLING DEVICE FOR HEAT TREATMENT OF LARGE STEEL FORGINGS Maisuradze M.V.1*,Yudin Yu.V.1,Ryzhkov M.A.1 1Ural Federal University named after the first
An investigation of technological and design parameters of spraying jets and their effect on cooling capability of large steel forgings (e.g.,hot-rolling mill rolls) are presented.The technological parameters under consideration are water pressure in spraying jets and the number of spraying jets in a coolingInvestigation of Enhanced Surface Spray Cooling IMECE Mar 24,2008·Experiments were conducted to study the effects of enhanced surfaces on heat transfer during spray cooling.The surface enhancements consisted of cubic pin fins,pyramids,and straight fins (uniform cross sectional straight fins) machined on the top surface of steel heater blocks.Each had a cross-sectional area of 2.0 cm 2.Measurements were Investigation of Pore Size Effect On Spray Cooling Heat The initial work by Silk et al.[I91 showed that spray cooling of embedded surface structures such as dimples and porous tunnels results in a corresponding heat flux enhancement.The present work extends the investigation of embedded structures.Spray cooling heat flux as a function of pore size for a fixed tunnel structure is reported.
Spray cooling is the most effective direct cooling technique .It provides homogenous temperature distribution across the cooling surface.Applications of spray cooling can be divided into two major groups low temperature steady-state cooling and high temperature transient cooling .In literature there is abundance of experimental stud-Numerical Investigation on the Thermodynamic Numerical Investigation on the Thermodynamic Characteristics of a Liquid Film upon Spray Cooling Using an Air-Blast Atomization Nozzle Jia-Xin Li 1,Yun-Ze Li 1,2,3,* ,En-Hui Li 1 and Tong Li 4 1 School of Aeronautic Science and Engineering,Beihang University,Beijing 100191,China;Numerical investigation of spray cooling in OpenFOAMThe investigations presented here aim for the development of a spray cooling solver in OpenFOAM,which is capable of calculating the heat transfer from a substrate over the range of single phase cooling up to the film boiling regime.The solver also aims to include the formation of a liquid film depending on the spray parameters
Roof-spray cooling systems are used to reduce the heat flux entering through the roof of a building by spraying a fine mist of water on the roof surface.This paper presents a simple periodic thermal model to predict the performance of a roof-spray evaporative cooling system.Simulating the cooling effects of water spray system in stress in urban areas.Evaporative cooling by water spray systems is increasingly used for this purpose.However,the evaluation of the cooling potential of such systems is difficult.To our knowledge,a systematic investigation of the cooling potential of such aSpray Cooling Technologies Market Investigationcommercial development work on Spray Cooling for COTS in military applications and certainly the only company shipping operational Spray Cooling systems is ISR.The fact that a market investigation was commissioned indicates interest in liquid cooling technology exists within the Navy.SDA experience
Hence,a tight control of spray cooling for steel,and practices such as CO2 injection/pulse water-cooling for aluminium are now used to avoid sudden changes in the strand surface temperature.The goal in each process is to match the rate of heat removal at the surface withWhiteCap Roof Spray Cooling System - Build-It-SolarWhiteCap Roof Spray Cooling System Cooling Technology for Warm,Dry Climates WhiteCap is an integrated roof surface and spray cooling system that is suitable for warm,dry climates.WhiteCap provides a means to evaporatively and radiatively cool water by spraying it over a building roof at night.The cooled water is collected from the