旋流风口RA-N3选型计算表格

Version:17/09/07输入KEYdT送风温差(供冷)-12.0K最大送风温差：-20K送风过冷风口最大送风量1000.0m3/h输入Auto或风口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单位地板面积送风量过小DN3500123456MaxDiffuserAirflow630504432342270198144m3/hMinDiffuserAirflow2-12K180144126108795843m3/hMinDiffuserAirflow2-15K198158137119866550m3/hMinDiffuserAirflowselected180144126108795843m3/hDiffuserTurndown28.6%28.6%29.2%31.6%29.3%29.1%30.0%MinDiffuserC/L@maxairflow3.53.12.92.62.31.91.7mMaxDiffsuerC/L@minairflow7.16.35.95.54.74.03.5mdTused-12.0RA-N3-DN350领环-4向出风01234560-2w:0号领环2向出风领环-3向出风0-3w1-3w2-3w3-3w4-3w5-3w1-2w:1号领环2向出风领环-2向出风0-2w1-2w2-2w3-2w4-2w5-3w:5号领环3向出风喉部直径250225200175150125100mm风口最大设计风量1000.01000.01000.01000.01000.01000.01000.0m3/h小于最小允许风量风口最大推荐风量630.0504.0432.0342.0270.0198.0144.0m3/h大于最大推荐风量允许风量减小至28.6%28.6%29.2%31.6%9.9%12.7%16.2%设计风量减小至79.4%99.2%115.7%146.2%185.2%252.5%347.2%减小百分比过低风量减小至50.0%50.0%50.0%50.0%50.0%50.0%50.0%减小百分比过低最小允许减小至18.0%14.4%12.6%10.8%2.7%2.5%2.3%最小送风量500.0500.0500.0500.0500.0500.0500.0m3/h小于最小允许风量允许最小送风量180.0144.0126.0108.026.825.123.4m3/h风口最小中心间距4.95.25.45.86.47.38.3m小于该间距则产生吹风感风口平均中心间距5.35.35.35.35.35.35.3m风口最大中心间距14.715.816.718.320.122.926.4m大于该间距则出现停滞点单个风口声压级39.947.051.053.659.065.072.4PNC≤30>30>35风口最大静压损失（含静压箱）58.4107.9172.3278.4413.5753.51241.9Pa>35>45>55风口最大全压损失（含静压箱）77.7137.2219.2358.4561.71060.91992.4Pa>45>55>65DN500012345MaxDiffuserAirflow144011521044864648522m3/hMinDiffuserAirflow2-12K432360324252198162m3/hMinDiffuserAirflow2-15K468432360270216180m3/hMinDiffuserAirflowselected432360324252198162m3/hDiffuserTurndown30.0%31.3%31.0%29.2%30.6%31.0%MinDiffuserC/L@maxairflow5.34.74.54.13.53.2mMaxDiffsuerC/L@minairflow11.010.09.58.47.46.7mdTused-12.0RA-N3-DN500领环-4向出风0123450-2w:0号领环2向出风领环-3向出风0-3w1-3w2-3w3-3w4-3w1-2w:1号领环2向出风领环-2向出风0-2w1-2w2-2w3-2w4-3w:4号领环3向出风喉部直径350325300275250225mm风口最大设计风量1000.01000.01000.01000.01000.01000.0m3/h小于最小允许风量风口最大推荐风量1440.01152.01044.0864.0648.0522.0m3/h大于最大推荐风量允许风量减小至30.0%31.3%31.0%29.2%30.6%31.0%设计风量减小至34.7%43.4%47.9%57.9%77.2%95.8%减小百分比过低风量减小至50.0%50.0%50.0%50.0%50.0%50.0%减小百分比过低最小允许减小至43.2%36.0%32.4%25.2%19.8%16.2%最小送风量500.0500.0500.0500.0500.0500.0m3/h小于最小允许风量允许最小送风量C/L432.0360.0324.0252.0198.0162.0m3/h风口最小中心间距C/L4.24.34.34.54.85.1m小于该间距则产生吹风感风口平均中心间距C/L5.35.35.35.35.35.3m风口最大中心间距C/L12.012.512.813.414.615.7m大于该间距则出现停滞点单个风口声压级20.925.328.433.037.042.9PNC≤30>30>35风口最大静压损失（含静压箱）13.121.627.553.794.0120.0Pa>35>45>55风口最大全压损失（含静压箱）18.128.336.866.9113.2149.3Pa>45>55>65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Version:17/09/07INPUTKEYdTsupply-room(cooling)-10.0KValuesshouldbe≥-20Kand≤0KSupplyairtoocoldMaxDiffuserAirflowRate90.0L/sEnterAUTOordiffuserairflowrateTurndownto50.0%EnterAUTOorenterturndown%(eg100%forCV)MaxSpecificAirflowRate10.00L/s/m2EnterAUTOorspecificairflowrateSpecificairflowtoolowDN3500123456MaxDiffuserAirflow17514012095755540L/sMinDiffuserAirflow2-12K50403530221612L/sMinDiffuserAirflow2-15K55443833241814L/sMinDiffuserAirflowselected47373328211511L/sDiffuserTurndown26.7%26.7%27.5%29.5%27.6%26.7%26.7%MinDiffuserC/L@maxairflow3.53.12.92.62.31.91.7mMaxDiffsuerC/L@minairflow6.86.35.95.54.74.03.5mdTused-10.0RA-N3-DN350Collar-4-wayblow0123456Collar-3-wayblow0-3w1-3w2-3w3-3w4-3w5-3wCollar-2-wayblow0-2w1-2w2-2w3-2w4-2wSpigotDiameter250225200175150125100mmMaxAirflow90.090.090.090.090.090.090.0L/smaxrecommendedPermissibleTurndownto26.7%26.7%27.5%29.5%27.6%26.7%26.7%ChosenTurndownto25.7%32.1%37.5%47.4%60.0%81.8%112.5%TurndowntoolowTurndownto50.0%50.0%50.0%50.0%50.0%50.0%50.0%TurndowntoolowMinPermissibleTurndownto51.9%41.5%36.7%31.1%23.0%16.3%11.9%MinAirflow45.045.045.045.045.045.045.0L/s30>35MaxSTATICPressure(inclconnectionboxF)8.614.021.831.647.087.0151.9Pa>35>45>55MaxTOTALPressure(inclconnectionboxF)10.617.126.740.062.6119.3230.7Pa>45>55>65DN500012345MaxDiffuserAirflow400320290240180145L/sMinDiffuserAirflow2-12K12010090705545L/sMinDiffuserAirflow2-15K130120100756050L/sMinDiffuserAirflowselected1138783675242L/sDiffuserTurndown28.3%27.1%28.7%27.8%28.7%28.7%MinDiffuserC/L@maxairflow5.34.74.54.13.53.2mMaxDiffsuerC/L@minairflow10.610.09.58.47.46.7mdTused-10.0RA-N3-DN500Collar-4-wayblow012345Collar-3-wayblow0-3w1-3w2-3w3-3w4-3wCollar-2-wayblow0-2w1-2w2-2w3-2wSpigotDiameter350325300275250225mmMaxAirflow90.090.090.090.090.090.0L/smaxrecommendedPermissibleTurndownto28.3%27.1%28.7%27.8%28.7%28.7%ChosenTurndownto11.3%14.1%15.5%18.8%25.0%31.0%TurndowntoolowTurndownto50.0%50.0%50.0%50.0%50.0%50.0%TurndowntoolowMinPermissibleTurndownto125.9%96.3%92.6%74.1%57.4%46.3%MinAirflow45.045.045.045.045.045.0L/s30>35MaxSTATICPressure(inclconnectionboxF)1.32.12.44.98.315.1Pa>35>45>55MaxTOTALPressure(inclconnectionboxF)1.82.83.46.310.318.2Pa>45>55>65Notes:MaxSoundPressureLevelperDiffuserbasedon10dBsoundabsorptionintheroomref10^-12W.FordistancestowallshalveC/Ldistances.DistancesbetweendiffusersarebasedonsatisfyinganADPIofatleast90%for2.7mdischargeheight.Returnairopeningsatthesameheightasthediffusershouldbeatadistanceofatleast5xDNfromthediffusertopreventshortcircuiting.