多热源冲击式冷板解决方案.pdf

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1、Multi-heat-sources Jet Impingement Cold Plate SolutionsCooler MasterMulti-heat-sources Jet Impingement Cold Plate SolutionsYogesh Fulpagare,PhDDeputy Chief Engineer/Cooler Master Corp.David ChenDeputy Chief Engineer/Cooler Master Corp.COOLING ENVIRONMENTSOutline 54321Motivation of new type jet impin

2、gement developmentPOC of distribution plate in impingement cold plate designSimulation of multi-dimensional distribution plateDIOJIC cold plate design concept and validation resultsConclusionMotivation of new type jet impingement developmentPrevent the fluid from pre-heating before flowing through t

3、he heat sourcesHigher flow rate leads to higher pumping power requirement in typical designErosion issues due to higher flow rate and flow velocityMake more uniform temperature distributionDistribution Plate POC Cold Plate Design and Sample Setting Heating element dimensionsPositions of thermocouple

4、sThermal Test VehiclePOC Cold plate650W650W250W250WExperimental Test ResultsThermal PerformanceTemperature DistributionFlowFlow Rate L/minRate L/minGeometry and Flow Field(CP based on H100)1D2DVelocity Magnitude(m/s)0.5 LPM 0.5 LPM1D distribution plate consists of a row of outlet holes that jet liqu

5、id toward the central hot spot.2D distribution plate consists of a matrix of outlet holes that spreads liquid toward the skived fin.1D H100 Jet Impingement Cooling Cold PlateTDP=1000 WTIM thermal conductivity=8W/mKTIM Thickness=0.1 mmCoolant=PG25Flow rate=0.5 to 2 LPMFlow Rate(LPM)0.50.7511.52Rth(K/

6、W)0.0290.0250.0230.0200.019Pressure Drop(PSI)0.1980.4170.7180.8512.774Maximum Temperature(C)69.0164.7262.5660.1858.79Minimum Temperature(C)60.0655.7853.5451.1749.82Average Temperature(C)64.8260.7958.6556.2954.912D H100 Jet Impingement Cooling Cold PlateTDP=1000 WTIM thermal conductivity=8W/mKTIM Thi