TCS 流管理与门式热交换器.pdf

1、Edwin Hipolito,Global Solutions Expert,DanfossPhillip Kaae,Lead Application Manager,GrundfosTechnology Cooling System(TCS)Flow Management in Door Heat Exchanger SystemsTCS Flow Management with Door Heat ExchangerEdwin Hipolito,Global Solutions Expert,DanfossPhillip Kaae,Lead Application Manager,Grun

2、dfosCooling Environment with Door Heat ExchangersThe workstream focuses on different approaches to coolant flow control in TCS loops.Liquid cooling systems operators are often surprised by the systems response to varying server loads.The presentation will focus on two methods:Control Valves:Flow is

3、regulated through the header and at each node of the cooling solutionPump systems:Pressure are regulated at several points within the TCS loop downstream of the CDU.Workstream:TCS Flow Control Integral system component that facilitates distribution of fluid within the systemEstablishes the functiona

4、l basis for precise valve control regulationProper flow through HEX to optimize the removal of heatFlow ControlFeatureManualAutomaticPressure IndependentControl MethodManualCalibrated flow cartridge,pressure independentAutomatic,pressure independentDynamic AdjustmentNoNoYesEnergy EfficiencyLowModera

5、teHighApplicationsConstant flow/constant pressure systemsConstant flow systemsVariable flow systemsSuitable balancing approach for systems with variable flow conditionsDynamic balancing function adjusts constantly to regulate flowSensed pressures across two points within the valve to regulate flow t

6、hrough the valveReduces effect of pressure change influence on valve control operationCommon for mechanical balancing mechanism integrated with control valvePressure Independent Flow ControlAssembled with analogue or digital motor actuatorIntegrate with equipment controller to receive input signal f