Density And Spray Cooling
Influence of spray characteristics on heat flux in dual phase spray impingement cooling of hot surface
... used spray impingement cooling is an effec- tive technique to remove high heat flux from the hot steel sur- face in quenching ...impingement density, nozzle tip to target distance and plate thickness ...
10
Numerical investigation of the transient spray cooling process for quenching applications
... Water spray quenching distinguished itself as a promising method for industry production, especially for the parts which require good mechanical strength while simultaneously retaining the initial ...the ...
12
The usage of infrared thermography to investigate spatial variations of heat transfer at spray cooling
... To measure the temperature field of the irrigated surface, high-speed IR camera was installed behind of the target. IR recording was carried out with frequency of 200 FPS and resolution of 88 µm. Before the experiments, ...
6
Heat Transfer during Spray Cooling of Flat Surfaces with Water at Large Reynolds Numbers
... the spray from the outside injectors that falls on the surface while assuming uniform flow speed across the ...the spray pattern, the outside injectors in Figure 2 have small percentage of flow falling onto ...
11
Dynamics of cryogen deposition relative to heat extraction rate during cryogen spray cooling.
... the spray, the cooling by the narrow nozzle is similar to that by the wide nozzle during the first 40 ...size, density and velocity distributions at any point in the ...
12
Effect of controlling parameters on heat transfer during spray impingement cooling of steel plate
... air-water spray impingement cooling of stationary steel plate was experimentally ...impingement density. The effects of the controlling parameters on the cooling rates were critically examined ...
9
Evaluation and performance enhancement of cooling tower spray zones
... on spray nozzles used in wet cooling towers which are used to reject excess process heat to the atmosphere through evaporative cooling, where water comes into direct contact with atmospheric ...Wet ...
102
CFD analysis of the impact of physical parameters on evaporative cooling by a mist spray system
... and Spalding [44] are applied. The adiabatic thermal boundary condition is used for these surfaces. Zero static gauge pressure is applied at the outlet plane. The “reflected” boundary condition is imposed to take the ...
22
Spray water cooling heat transfer under oxide scale formation conditions
... The cooling curves were measured at three points for each sample as described ...typical cooling curves of the Nickel specimens for different water mass flow ...the spray water cooling ...
9
Evaporative cooling by water spray systems: CFD simulation, experimental validation and sensitivity analysis
... Special attention is needed for the discrete phase boundary conditions to take the effect of the wind- tunnel walls into account. The phenomena occurring when droplets impinge on solid surfaces are complicated and depend ...
Spray Cooling at High Temperatures
... Výsledky simulací ukazují, že s rostoucí tloušťkou vrstvy oxidů a (anebo) s klesajícím součinitelem tepelné vodivosti dochází k poklesu hustoty tepelného toku z povrchu oceli [r] ...
32
High Density Cooling Solutions
... Conventional cooling system limits Data centers are usually thermally managed via room ...cooling. Cooling units set up on the room’s periphery push cooled air under a raised floor, which then ...
40
Study on Mist Nozzle Spray Characteristics for Cooling Application
... firefighting, spray drying, transport systems, nuclear reactor core cooling and many ...formed spray is evaporative cooling, because it is an efficient technique for producing a comfortable ...
5
Water distribution characteristics of spray nozzles in a cooling tower
... If we would like to obtain the maximum operate radium of a spray nozzle for several distances between a fill and a spray nozzle by one measurement we choosed the visualisation method. It this case we didn’t ...
6
Spray cooling characteristics of nanofluids for electronic power devices
... in spray cooling in comparison with DI water, as shown in Figure ...the spray is impinged upon the ...superior cooling per- formance to that of MCNT ...
16
Ultra Fast Spray Cooling and Critical Droplet Daimeter Estimation from Cooling Rate
... the cooling history of the tests ...Shorten cooling time trend can easily be observed in Figures ...MPa, cooling time has as increasing trend with some exceptions (Figure 4 ...the cooling ...
12
Modeling and Simulation of High-Density Spray Combustion
... • Calibrate a CFD model for the prediction of liquid and vapor penetration length of Spray H/A by KHRT model. Further, demonstrated the use of the developed chemistry model in WM-LES simulation of ignition delay ...
155
Experimental investigation on spray cooling using saline water for natural draft dry cooling towers
... for spray cooling in a cooling tower application can save fresh water, there exists a possibility of increased corrosion rates on heat exchanger ...proposed spray cooling system relies ...
116
A study on multi-nozzle arrangement for spray cooling system in natural draft dry cooling tower
... Natural draft resulted from the buoyancy effect was numerically simulated based on the model shown in Fig. 4(a). The mesh independent test results were summarized in Table 2. The test result shows that 2,239,000 cells is ...
44
Computational Analysis of Single Drops and Sprays for Spray Cooling Applications
... the spray was much less than was observed in ...for spray films because they have been derived and tuned for cases of true 3D, shear-driven turbulence in which the enhanced mixing arises from instabilities ...
231