Thermal performance of screen mesh wick heat pipes with thermal performance of screen mesh wick heat pipes with

Heat pipes were fabricated from straight copper tubes with an outer diameter of 8 mm, an inner diameter of 7.44 mm and a length of 200 mm.The wick of the heat pipe was constructed from screen mesh . The screen mesh of the wick was single-plaited stainless steel with a wire diameter of 56.5 m, and there were 67,416 plaits per mm with four layers of screen mesh . 7 mins Characteristics of Screen Mesh Wick Heat Pipe with thermal performance of screen mesh wick heat pipes withthe effects of nanofluid concentration on heat pipe thermal performance . They showed that the concentration of nanoparticles in the base fluid improves the performance of the heat pipe [22]. Do et al. conducted a study to the thermal resistance of screen mesh wick heat pipes using the Al2O3-water nanofluid which yield the results that the volume 11 mins

10 mins Hybrid Wick Heat Pipes for Planetary Surface and High

Hybrid Heat Pipes - Concept TFAWS 2015 August 3-7, 2015 Silver Spring, MD 7 ISO9001:2008 & AS9100C Certified Heat pipe with a hybrid wick that contains screen mesh , metal foam or sintered evaporator wicks for the evaporator region. Can sustain high heat fluxes. The axial grooves in the adiabatic and condenser sectionsCited by 83 Publish Year 2007 Author Brian D. Iver, Tyler W. Davis, Suresh V. Garimella, Mark T. North, Sukhvinder S. Kang Created Date 1/22/2016 10:23:13 PM Experimental Investigation on Contact Angle of Sintered thermal performance of screen mesh wick heat pipes withHeat pipes are widely used in electronic cooling and other applications that require efficient transport or spreading of heat from local sources of high heat flux. One factor that most affect the performance of this device is the wetting properties of the wick material, whereby a hydrophilic wick material is required to transport the liquid from the evaporator to the condenser.Cited by 8 Publish Year 2017 Author Bhupinder Singh Bhullar, D. Gangacharyulu, Sarit K. Das Experimental and Numerical Study of the Thermal thermal performance of screen mesh wick heat pipes withThermal performance of water-stainless steel screen mesh wick heat pipes was investigated in this study. Three screen mesh wick heat pipes were fabricated and tested all different inclinations thermal performance of screen mesh wick heat pipes with

Cited by 59 Publish Year 2014 Author A. Brusly Solomon, K. Ramachandran, L. God Asirvatham, B.C. Pillai (PDF) Thermal Performance of a Cylindrical Heat Pipe for thermal performance of screen mesh wick heat pipes with

Keywords Water-based Al 2 O 3 nanofluids Circular heat pipe Thermal resistance Screen mesh wick Coating layer Heat transfer enhancement mechanism a b s t r a c t In the present study, the effect thermal performance of screen mesh wick heat pipes withCited by 4 Publish Year 2017 Author Bhupinder Singh Bhullar, Dasaroju Gangacharyulu, Sarit Kumar Das AN INVESTIGATION OF THERMAL PERFORMANCE OF performance of a heat pipe operated with nano-particle coated wick . Screen type wicks (100 mesh /inch) with and without deposition of nano-particles are used inCited by 4 Publish Year 2014 Author Fairosidi Idrus, Nazri Mohamad, Ramlan Zailani, Wirachman Wisnoe, Mohd Zulkifly Abdullah Experimental Investigation on Heat Transfer Performance of thermal performance of screen mesh wick heat pipes withThermal Performance of Screen Mesh Wick Heat Pipes Using Water-Based Copper Nanofluids, Appl. Therm. Eng., 50 (1 thermal performance of screen mesh wick heat pipes with Thermal Resistance of Screen Mesh Wick Heat Pipes Using the Water-Based Al2O3 Nanofluids, Int. J. Heat Mass Transfer, 53 (25), pp.

Cited by 30 Publish Year 2012 Author Karthik K. Bodla, Jayathi Y. Murthy, Suresh V. Garimella Created Date 8/13/2014 10:22:51 PM An Experimental Study on Improvement in Thermal Efficiency thermal performance of screen mesh wick heat pipes with

This study aims to investigate the influence of inclination angle and concentration of nanoparticles on the improvement in heat pipe thermal efficiency. Spherical shaped, 40 nm size CuO nanoparticles are used in this study and its physical and thermal chracteristics are investigated. The results are compared with a heat pipe using DI water at horizontal position.The thermal efficiency is thermal performance of screen mesh wick heat pipes withCited by 27 Publish Year 2007 Author Jeremy A. Rice, Amir Faghri Experimental Evaluation of Performance Characteristics of thermal performance of screen mesh wick heat pipes withWick The primary wick is made of five layers of copper screen mesh of 100PPI, one placed above the other, sized according to the compensation chamber, and out of these five layers, two are wound around the finned surfaces of the evaporator as shown in Fig. 2.The higher heat conductivity of copper mesh to the compensation chamber is controlled by the presence of a 1.0 mm thick layer of thermal performance of screen mesh wick heat pipes withCited by 26 Publish Year 2018 Author Naveen Kumar Gupta, Arun Kumar Tiwari, Subrata Kumar Ghosh Heat pipes progress in thermal performance enhancement thermal performance of screen mesh wick heat pipes withKole M, Dey TK. Thermal performance of screen mesh wick heat pipes using water-based copper nanofluids. Appl Therm Eng. 2013;50:76370. CAS Google Scholar 43. Ghanbarpour M, Nikkam N, Khodabandeh R, Toprak MS, Muhammed M. Thermal performance of screen mesh heat pipe with Al 2 O 3 nanofluid. Exp Therm Fluid Sci. 2015;66:21320.

Cited by 20 Publish Year Author Saif Ullah Khalid, Hamza Babar, Hafiz Muhammad Ali, Muhammad Mansoor Janjua, Muhammad Aon Ali Temporal deterioration in thermal performance of screen thermal performance of screen mesh wick heat pipes with

Kole M, Dey TK (2013) Thermal performance of screen mesh wick heat pipes using water-based copper nanofluids. Appl Therm Eng 50:763770. Article Google Scholar 19. Noie SH, Heris SZ, Kahani M, Nowee SM (2009) Heat transfer enhancement using Al 2 O 3 water nanofluid in a two phase closed thermo-syphon. Int J Heat Fluid Flow 30(4):700705Cited by 2 Publish Year 2016 Author Nandy Putra, M. R. Kristian, R. David, K. Haliansyah, Bambang Ariantara 5 mins THERMAL PERFORMANCE MEASUREMENT OF HEAT PIPEcomposite wicks are variable screen mesh , screen -covered groove, screen slab with grooves, and screen tunnel with grooves. Regardless of the wick configuration, the desired material properties and structural characteristics of heat pipe wick structures are Cited by 166 Publish Year 2012 Author Nandy Setiadi Djaya Putra, Wayan Nata Septiadi, Haolia Rahman, Ridho Irwansyah Thermal performance of screen mesh wick heat pipes with thermal performance of screen mesh wick heat pipes withThe screen mesh wick heat pipe with the best performance was that which used Al 2 O 3 water nanofluid with 5% volume concentration. Using nanofluids in the heat pipes resulted in the formation of a thin coating on the screen mesh surface from the element of the nanoparticles. However, the thin coating promotes good capillary structure.

Cited by 166 Publish Year 2012 Author Nandy Setiadi Djaya Putra, Wayan Nata Septiadi, Haolia Rahman, Ridho Irwansyah Heat transfer performance of screen mesh wick heat pipes thermal performance of screen mesh wick heat pipes with

Do et al. investigated the effect of water-based Al 2 O 3 nanofluids on the thermal performance of circular screen mesh wick heat pipes . The volume fraction of the nanoparticles used are 1 and 3 vol.%.Cited by 14 Publish Year 2013 Author W.N. Septiadi, N. Putra, M. Juarsa, I.P.A Putra, R. Sahmura Effect of coated mesh wick on the performance of thermal performance of screen mesh wick heat pipes withThermal performance evaluation of TiO 2-coated copper mesh wick in a cylindrical heat pipe with graphite nanofluid is experimentally analyzed at various inclinations, nanoparticle concentrations and power levels.Boiling heat transfer from the evaporator of a heat pipe depends on both thermal conductivity of the nanoparticle and suspension stability of the nanofluid.Cited by 14 Publish Year 2013 Author W.N. Septiadi, N. Putra, M. Juarsa, I.P.A Putra, R. Sahmura Analysis of Screen Wick Heat Pipes, Including Capillary thermal performance of screen mesh wick heat pipes withEffect of Cooling Rate on Thermal Performance of an Oscillating Heat Spreader. thermal performance of screen mesh wick heat pipes with Numerical analysis of a screen mesh wick heat pipe with Cu/water nanofluid. International Journal of Heat and Mass Transfer, Vol. 75. Thermal -Fluid Modeling For High Thermal Conductivity Heat Pipe Thermal Ground Planes.

Cited by 131 Publish Year 2011 Author Ram Ranjan, Jayathi Y. Murthy, Suresh V. Garimella, Unnikrishnan Vadakkan Screen Wicks - Thermal Management Solutions Heat Pipes

Screen wicks are often used in one-of-a-kind, or low production rate heat pipes , since they require less setup than sintered heat pipe wicks . They have moderate capillary pumping capability, and higher permeability than sintered wicks . Screen wicks are required for heat pipes with complicated shapes, where sintered wicks cannot be used.Cited by 13 Publish Year 2014 Author G. Kumaresan, S. Venkatachalapathy, Indraneel C. Naik Simulation and CFD Analysis of Heat Pipe with Different thermal performance of screen mesh wick heat pipes withMiniature cylindrical metal powder sintered wick heat pipe (sintered heat pipe ) is an ideal component with super-high thermal efficiency for high heat flux electronics cooling. In this paper circular Heat pipe with various Wick geometry 0.5mm,0.75mm,1mm and also Sintered, V-Groove, Screen Groove wick shapes is considered, Silica is used asCited by 126 Publish Year 2013 Author Lazarus God Asirvatham, Rajesh Nimmagadda, Somchai Wongwises Which is the best heat pipe for screen mesh?Which is the best heat pipe for screen mesh?The screen mesh wick heat pipe with the best performance was that which used Al 2 O 3 water nanofluid with 5% volume concentration. Using nanofluids in the heat pipes resulted in the formation of a thin coating on the screen mesh surface from the element of the nanoparticles.Thermal performance of screen mesh wick heat pipes with thermal performance of screen mesh wick heat pipes with

Cited by 1 Publish Year Author P. R. Jyothi Sankar, S. Venkatachalapathy, Lazarus God Asirvatham, Somchai Wongwises Study of the effect of the heat pipe diameter with thermal performance of screen mesh wick heat pipes with

The present work aims to study the effects of heat pipe diameter on the thermal performance of the heat pip (HP) with stainless steel screen mesh wick for different tilt angles (0, 30, 60, and 90o). The experiments were conducted using two copper heat pipes with 20.8 mm and 31mm an inner diameter each. The length of the evaporator, the condenser and the adiabatic section are 300 mm, 350 mm and thermal performance of screen mesh wick heat pipes withAuthor P. R. Jyothi Sankar, S. Venkatachalapathy, Lazarus God Asirvatham Publish Year Experimental Thermal and Fluid Science, 66 213-220 O thermal performance of screen mesh wick heat pipes withratio on overall thermal conductivity of the heat pipe . They found that in all cases the optimal thermal performance for NF is much better than that of heat pipes with distilled water. Putra et al. [13] investigated experimentally the thermal performance of screen mesh wick heat pipe with various NF. The experimentsAuthor N. Manikanda Prabu, S. Nallusamy, G. Sureshkannan Publish Year Direct Simulation of Thermal Transport through Sintered thermal performance of screen mesh wick heat pipes withPorous sintered microstructures are critical to the functioning of passive heat transport devices such as heat pipes . The topology and microstructure of the porous wick play a crucial role in determining the thermal performance of such devices. Three sintered cop-per wick samples employed in commercial heat pipes are characterized in this work in

Author Muhammad Sajid Kamran, Kashifa Naz, Jamal Umer, Muhammad Sajjad, Muhammad Wajid Saleem, Mudather Ibr thermal performance of screen mesh wick heat pipes with 12 mins Publish Year Heat transfer performance of screen mesh wick heat pipes thermal performance of screen mesh wick heat pipes with

Abstract This study presents the improvement in heat transfer performance of a heat pipe using silver nanoparticles dispersed in DI (De-Ionized) water. The nanoparticles suspended in conventional fluids have superior heat transfer capability due to improved thermal conductivity. The heat pipes are tested for heat inputs ranging from 20 W to 100 W in five steps, which is suitable for removing thermal performance of screen mesh wick heat pipes withAuthor B. Ch Nookaraju, P. Keziya Rani, P.S.V. Kurmarao, S. Naga Sarada, N. Sateesh, A. Anitha Lakshmi, Ram thermal performance of screen mesh wick heat pipes with Publish Year Augmented Thermal Performance of Straight Heat Pipe thermal performance of screen mesh wick heat pipes with(2017). Augmented Thermal Performance of Straight Heat Pipe Employing Annular Screen Mesh Wick and Surfactant Free Stable Aqueous Nanofluids. Heat Transfer Engineering Vol. 38, No. 2, pp. 217-226. What is the role of sintered Wick in heat pipes?What is the role of sintered Wick in heat pipes?Porous sintered microstructures are critical to the functioning of passive heat transport devices such as heat pipes. The topology and microstructure of the porous wick play a crucial role in determining the thermal performance of such devices. Three sintered cop-Direct Simulation of Thermal Transport through Sintered thermal performance of screen mesh wick heat pipes with

What are nanofluids used in screen Wick heat pipes?What are nanofluids used in screen Wick heat pipes?In this research, screen mesh wick heat pipes were manufactured and tested to determine the thermal resistance of nanofluids such as Al 2 O 3 water, Al 2 O 3 ethylene glycol, TiO 2 water, TiO 2 ethylene glycol and ZnOethylene glycol charged in the screen mesh wick heat pipes.Thermal performance of screen mesh wick heat pipes with thermal performance of screen mesh wick heat pipes with Thermal performance of evacuated tube heat pipe solar thermal performance of screen mesh wick heat pipes with

This research was conducted to determine the performance of heat pipe -based evacuated tube solar collector as solar water heater experimentally. The experiments were carried out using stainless steel screen mesh as a wick material, and water and Al2O3-water 0.1% nanofluid as working fluid, and applying inclination angles of 0°, 15°, 30°, and thermal performance of screen mesh wick heat pipes with Thermal Performance of a Heat Pipe for Medium thermal performance of screen mesh wick heat pipes witha Dowtherm-A heat pipe with internal screen wick , the working fluid charge was greater than the whole evaporator internal volume to ensure a startup during the heat discharging mode. The operating temperature of the heat pipe was nearly 320 oC and the effective thermal conductance reached 6,000 W/m-K. However, their study was

Thermal Performance of a Cylindrical Heat Pipe for thermal performance of screen mesh wick heat pipes with

An experimental study on thermal performance of a copper heat pipe operated with sintered powder wick has been performed. A miniature cylindrical heat pipe with small outer diameter, Ø10 mm and 300 mm in length, has been chosen in the study. An attempt is also made to design, fabricate and assemble a heat pipe test rig to be used for the experiment. THE ROLE OF HYBRID NANOFLUIDS IN IMPROVING THE experimental investigation to find the thermal performance of screen mesh wick heat pipes us-ing water-based Cu nanofluids with different concentrations . i. e. 0.0005, 0.005, 0.05, and 0.5 wt.%. The thermal conductivity of the heat pipe with 0.5 wt.% of Cu displayed a maximum en-hancement of 15% compared with that of water. SMALL DIAMETER FIBRES AS NEW WICK MATERIAL FOR The fibre wick is placed in the heat pipe without further sintering. Hence, there is no metallic bond between fibre wick and copper tube as opposed to the screen mesh heat pipe . The porosity () of the fibre screen is 37.9%. Both the fibre wick heat pipe and the mesh screen wick heat pipe are filled with 1.045 g of water.

Pushing the Boundaries of Heat Pipe Operation thermal performance of screen mesh wick heat pipes with

Introduction Theory of screen Mesh as Wick Structure For A Heat Pipe Experimental Compari of Different Wick Structures Conclusion References Heat pipes are well-established two-phase devices used in the electronics cooling industry to transport heat from the point it is generated to the place where it is extracted from the system. Three wick structures are most commonly used to provide the capillary path for the liquid return to evaporation section; these are sintered powder, screen mesh and grooved pipes. Although the sintered heat pipe is the most common in the commoSee more on electronics-cooling Operational Limitations of Heat Pipes With Silver-Water thermal performance of screen mesh wick heat pipes withThe nanofluid as working fluid enhances the effective thermal conductivity of heat pipe by 40%, 58%, and 70%, respectively, for volume concentrations of 0.003%, 0.006%, and 0.009%. For an input heat load of 60 W, the adiabatic vapor temperatures of nanofluid based heat pipes are reduced by 9 °C, 18 °C, and 20 °C, when compared with DI water. Numerical analysis of a screen mesh wick heat pipe with Cu thermal performance of screen mesh wick heat pipes withThe working fluid is considered as DI water and copper/water nanofluid. Four layers of screen mesh wick with a thickness, porosity and the thermal conductivity of 1 mm, 0.63 and 1.14 W/m-K, respectively are considered. The wick is considered to be Investigation of Heat Transfer Enhancement Effect on thermal performance of screen mesh wick heat pipes with[6] Madhusree Kole and T.K. Dey, Thermal performance of screen mesh wick heat pipes using water-based copper Nano fluids, Applied Thermal Engineering, 50 (2013) 763-770. DOI 10.1016/j.applthermaleng.2012.06.049

International Journal of Heat and Mass Transfer

Numerical analysis of a screen mesh wick heat pipe with Cu/water nanouid A. Brusly Solomon, K. Ramachandran, L. God Asirvatham, B.C. Pillai Centre for Research in Material Science and thermal performance of screen mesh wick heat pipes with Influence of wick characteristics on heat pipe performanceCharacterization of sintered copper wicks used in heat pipes . Journal of Porous Materials 4(4):303308. Mehta RC, Jayachandran T. 1996. Numerical analysis of transient two phase ow in heat pipe . Heat and Mass Transfer 31(6):383386. Park JH. 1997. A study on thermal performance of heat pipe for optimum placement of satellite equipment. How are COP per Wick samples used in heat pipes?How are COP per Wick samples used in heat pipes?Three sintered cop- per wick samples employed in commercial heat pipes are characterized in this work in terms of their thermal transport propertiesporosity, effective thermal conductivity, per- meability, and interfacial heat transfer coefcient. The commercially available samplesDirect Simulation of Thermal Transport through Sintered thermal performance of screen mesh wick heat pipes with

Heat and Mass Transport in Heat Pipe Wick Structures

A novel experimental approach is developed for characterizing the performance of heat pipe wick structures. This approach simulates the actual operation of wick structures in a heat pipe . Open, partially submerged, sintered copper wicks of varying pore size are studied under the partially saturated conditions found in normal heat pipe operation. Heat Pipe Technology, Working Priniciples, Wick thermal performance of screen mesh wick heat pipes withHeat Pipe Wick Material. There are three commonly used heat pipe wick materials, each with unique cost and performance characteristics. Ordered from highest to lowest by cost and ability to work against gravity they are sintered copper wick , screen mesh wick , and grooved wick . Heat Pipe Boiling Limit - Thermal Management SolutionsIn order to increase the heat flux limit to more than 50 W/cm 2, ACT developed heat pipes with a hybrid wick that contains screen mesh , metal foam, or sintered evaporator wicks for the evaporator region, which can sustain high heat fluxes, where the axial grooves in the adiabatic and condenser sections can transfer large amounts of power over thermal performance of screen mesh wick heat pipes with

HEATING AND COOLING CAPACITY OF PHASE CHANGE

The heat pipe used is a copper screen mesh wick heat pipe . The heat is supplied at the evapora - tor of the heat pipe through a container filled with PCM-water. The heating and cooling cycles for PCM and water are analysed along with heat pipe thermal performance . Experimental investigations Experimental set-up and procedure Experimental and transient thermal analysis of screen mesh thermal performance of screen mesh wick heat pipes withExperimental investigations test rig and screen mesh wick heat pipe as shown in the Fig. 3 and Fig. 4, by varying the heat input from 20 W to 160 W with the help of variac provided on dashboard of experimental setup, with different tilt angles (15°, 30°,60°,90°) and mass flow rates of 0.02 kg/sec, 0.03 kg/sec, 0.04 kg/sec. Allowing some time to reach steady state and then note down the thermal performance of screen mesh wick heat pipes with Experimental Study of Thermal Performance of Nanofluid thermal performance of screen mesh wick heat pipes withThe enhancements in thermal performance of mesh wick heat pipe (HP) using TiO 2 /H 2 O nanofluid (0.5, 1.0, and 1.5 vol %) as working fluid for different (50, 100, and 150 W) power input were investigated. Results showed maximum 17.2% reduction in thermal resistance and maximum 13.4% enhancement in thermal efficiency of HP using 1.0 vol % nanofluid as compared to water.

Experimental Investigation of the Thermal Performance of thermal performance of screen mesh wick heat pipes with

Experimental Investigation of the Thermal Performance of Screen Mesh Wick Heat Pipes Operating in Mid-Level Temperatures August 2018 Thesis for PhD in Engineering and Space Technology Experimental Investigation of Thermal Performance of thermal performance of screen mesh wick heat pipes withthermal performance of variable conductance heat pipe by testing circular screen mesh wick heat pipe . The nanofluid used is water-based CuO-nanouid with the volume fraction of 1, 3 and 5 Vol.%. The performance of the heat pipe is investigated at three different amounts of both heat input and mass of non-condensable gas (air). Combined effects of filling ratio and wick surface coating thermal performance of screen mesh wick heat pipes withFilling ratio and tilt angle are also important factors influencing the heat pipe performance . Teng et al. [] experimentally found the maximum thermal efficiency of mesh wick heat pipe at an optimum filling ratio of 60% with DI water.Experimental studies on copper cylindrical heat pipe using DI water by Naphon et al. [] revealed that the filling ratio is optimum at 66% for a tilt of 60° under thermal performance of screen mesh wick heat pipes with

Characteristics of Screen Mesh Wick Heat Pipe with Nano thermal performance of screen mesh wick heat pipes with

To enhance the performance of the heat pipe , nanofluids have been used as the working fluid for the heat pipe . This paper studies the characteristics of nanofluids as the working fluid of heat pipe with screen mesh wick , which was the mixture of nano-sized particles (Al 2 O 3 and TiO 2 ) with water as the base fluid. BENDABLE HEAT PIPES USING SINTERED METAL FELT investigating its thermal performance under varying acceleration loading by Thomas and Yerkes (1996, 1997). Schweickart and M. M. Buchko (1998) discussed the design and testing of flexible heat pipes for space CCD camera applications. The flexible heat pipes used ammonia as working fluid and a rolled screen mesh wick supported by screen mesh web. An investigation of thermal performance improvement generation and characteristics of wick structure of screen mesh heat pipe are investigated to show nanofluids potential to improve thermal performance of cylindrical heat pipes . 2 Analytical analysis To investigate the effect of a nanofluid as a working fluid on the

A numerical model for transport in flat heat pipes thermal performance of screen mesh wick heat pipes with

is used to predict the performance of a heat pipe with a screen -mesh wick , and the implications of the coupling employed are discussed. Keywords vapor chamber, heat spreader, heat pipe model, evaporation, wick structure, electronics cooling

    Leava a Message: