旋流风口RA-N3选型计算表格

Version:17/09/07输入dT送风温差(供冷)-12.0K最大送风温差：-20K风口最大送风量1000.0m3/h输入Auto或风口设计送风量风口风量最小减小至50.0%输入Auto或最小送风量与设计风量百分比，如定风量为100％单位地板面积最大送风量36.00m3/h/m2输入Auto或单位地板面积送风量RA-N3-DN350领环-4向出风01234领环-3向出风0-3w1-3w2-3w3-3w领环-2向出风0-2w1-2w2-2w喉部直径250225200175150风口最大设计风量1000.01000.01000.01000.01000.0风口最大推荐风量630.0504.0432.0342.0270.0风量减小至50.0%50.0%50.0%50.0%50.0%最小允许减小至18.0%14.4%12.6%10.8%2.7%最小送风量500.0500.0500.0500.0500.0允许最小送风量180.0144.0126.0108.026.8风口最小中心间距4.95.25.45.86.4风口平均中心间距5.35.35.35.35.3风口最大中心间距14.715.816.718.320.1单个风口声压级39.947.051.053.659.0风口最大静压损失（含静压箱）58.4107.9172.3278.4413.5风口最大全压损失（含静压箱）77.7137.2219.2358.4561.7RA-N3-DN500领环-4向出风01234领环-3向出风0-3w1-3w2-3w3-3w领环-2向出风0-2w1-2w2-2w喉部直径350325300275250风口最大设计风量1000.01000.01000.01000.01000.0风口最大推荐风量1440.01152.01044.0864.0648.0风量减小至50.0%50.0%50.0%50.0%50.0%最小允许减小至43.2%36.0%32.4%25.2%19.8%最小送风量500.0500.0500.0500.0500.0允许最小送风量C/L432.0360.0324.0252.0198.0风口最小中心间距C/L4.24.34.34.54.8风口平均中心间距C/L5.35.35.35.35.3风口最大中心间距C/L12.012.512.813.414.6单个风口声压级20.925.328.433.037.0风口最大静压损失（含静压箱）13.121.627.553.794.0风口最大全压损失（含静压箱）18.128.336.866.9113.2备注：最大声压级基于房间吸声量10dB风口与墙距离C/L值减半风口中心间距基于满足2.7m送风高度下ADPI大于90％等高度下回风口与送风口间距应大于5倍DN值，避免送风短路KEY送风过冷输入Auto或最小送风量与设计风量百分比，如定风量为100％单位地板面积送风量过小560-2w:0号领环2向出风4-3w5-3w1-2w:1号领环2向出风3-2w4-2w5-3w:5号领环3向出风125100mm1000.01000.0m3/h小于最小允许风量198.0144.0m3/h大于最大推荐风量50.0%50.0%减小百分比过低2.5%2.3%500.0500.0m3/h小于最小允许风量25.123.4m3/h7.38.3m小于该间距则产生吹风感5.35.3m22.926.4m大于该间距则出现停滞点65.072.4PNC≤303035753.51241.9Pa3545551060.91992.4Pa45556550-2w:0号领环2向出风4-3w1-2w:1号领环2向出风3-2w4-3w:4号领环3向出风225mm1000.0m3/h小于最小允许风量522.0m3/h大于最大推荐风量50.0%减小百分比过低16.2%500.0m3/h小于最小允许风量162.0m3/h5.1m小于该间距则产生吹风感5.3m15.7m大于该间距则出现停滞点42.9PNC≤303035120.0Pa354555149.3Pa455565Version:17/09/07INPUTdTsupply-room(cooling)-10.0KValuesshouldbe≥-20Kand≤0KMaxDiffuserAirflowRate90.0L/sEnterAUTOordiffuserairflowrateTurndownto50.0%EnterAUTOorenterturndown%(eg100%forCV)MaxSpecificAirflowRate10.00L/s/m2EnterAUTOorspecificairflowrateRA-N3-DN350Collar-4-wayblow01234Collar-3-wayblow0-3w1-3w2-3w3-3wCollar-2-wayblow0-2w1-2w2-2wSpigotDiameter250225200175150MaxAirflow90.090.090.090.090.0MaxRecommendedAirflow175.0140.0120.095.075.0Turndownto50.0%50.0%50.0%50.0%50.0%MinPermissibleTurndownto51.9%41.5%36.7%31.1%23.0%MinAirflow45.045.045.045.045.0MinPermissibleAirflow46.737.333.028.020.7MinC/LDistance2.22.22.22.32.4AveC/LDistance3.03.03.03.03.0MaxC/LDistance6.77.07.17.47.8MaxSOUNDPressureLevelperDiffuser13.419.223.225.930.6MaxSTATICPressure(inclconnectionboxF)8.614.021.831.647.0MaxTOTALPressure(inclconnectionboxF)10.617.126.740.062.6RA-N3-DN500Collar-4-wayblow01234Collar-3-wayblow0-3w1-3w2-3w3-3wCollar-2-wayblow0-2w1-2w2-2wSpigotDiameter350325300275250MaxAirflow90.090.090.090.090.0MaxRecommendedAirflow400.0320.0290.0240.0180.0Turndownto50.0%50.0%50.0%50.0%50.0%MinPermissibleTurndownto125.9%96.3%92.6%74.1%57.4%MinAirflow45.045.045.045.045.0MinPermissibleAirflow113.386.783.366.751.7MinC/LDistance2.42.32.32.22.2AveC/LDistance3.03.03.03.03.0MaxC/LDistance6.87.57.06.86.9MaxSOUNDPressureLevelperDiffuser1010101010MaxSTATICPressure(inclconnectionboxF)1.32.12.44.98.3MaxTOTALPressure(inclconnectionboxF)1.82.83.46.310.3Notes:MaxSoundPressureLevelperDiffuserbasedon10dBsoundabsorptionintheroomref10^-12W.FordistancestowallshalveC/Ldistances.DistancesbetweendiffusersarebasedonsatisfyinganADPIofatleast90%for2.7mdischargeheight.Returnairopeningsatthesameheightasthediffusershouldbeatadistanceofatleast5xDNfromthediffusertopreventshortcircuiting.KEYValuesshouldbe≥-20Kand≤0KSupplyairtoocoldEnterAUTOordiffuserairflowrateEnterAUTOorenterturndown%(eg100%forCV)EnterAUTOorspecificairflowrateSpecificairflowtoolow564-3w5-3w3-2w4-2w125100mm90.090.0L/sminpermissible55.040.0L/smaxrecommended50.0%50.0%Turndowntoolow16.3%11.9%45.045.0L/sminpermissible14.710.7L/s2.62.9mDraught3.03.0m8.59.4mStagnation36.643.5PNC≤30303587.0151.9Pa354555119.3230.7Pa45556554-3w3-2w225mm90.0L/sminpermissible145.0L/smaxrecommended50.0%Turndowntoolow46.3%45.0L/sminpermissible41.7L/s2.2mDraught3.0m7.0mStagnation15.1PNC≤30303515.1Pa35455518.2Pa455565Returnairopeningsatthesameheightasthediffusershouldbeatadistanceofatleast5xDNfromthediffusertopreventshortcircuiting.