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{"sheet":"Velocity","index":0,"n_rows":28,"n_cols":40,"rows_kept":28,"cut":false,"hidden":false,"merged":[[11,12,11,17],[11,6,12,6],[2,1,2,7],[3,1,3,7],[4,1,4,7],[5,1,5,7],[9,1,9,5],[9,7,9,11]],"flags":["formulas_cached_only"]}
[{"$nulls":28},"5810 Reversable Core Narrow Blade Return Grille "]
[{"$nulls":8},"Input Data",{"$nulls":12},"Nominal Duct","Core Area","H & W",null,null," "," "]
[null,"Enter Duct Width in inches =",{"$nulls":6},20,"Inches",{"$nulls":11},"Area ( ft2 )","( ft2 )","border",null,null," Free area & Core Area Ratio",null,"Ak/Ac",1,null,null," - ",null,"Based onTitus 1700 constants"]
[null,"Enter Duct Height in inches =",{"$nulls":6},10,"Inches",{"$nulls":11},1.3888888888888888,1.2365451388888888,0.75,{"$nulls":10},"reduced slightly because no deflectors are present!"]
[null,"Enter Minimum Neck Velocity (greater than 0)=",{"$nulls":6},310,"FPM",{"$nulls":24},".15 reduction on Ps"]
[null,"Enter Maximum Neck Velocity =",{"$nulls":6},1000,"FPM",{"$nulls":24},"3 NC less"]
[{"$nulls":26},"Pressure Constants"]
[{"$nulls":27},"m","b"]
[null,"5810 Reversable Core Narrow Blade Return Grille ",{"$nulls":24},"5 or 15 Deg",0,6.01375]
[null,"IP Data",{"$nulls":5},"Metric Data"]
[null,"Nom","Duct ","Neck","Air"," ",null,"Nom","Duct ","Neck","Air"," "]
[null,"Duct","Area","Vel","Flow","Ps","Nc","Duct","Area","Vel","Flow","Ps","Octave Band, dB",{"$nulls":20},"2","3","4","5","6","7"]
[null,"in","ft²","FPM","CFM","\"WG",null,"mm","m²","m/s","L/s","Pa",2,3,4,5,6,7,{"$nulls":8},"Sound",{"$nulls":5},"M(An)",10,10,10,10,10,10]
[null,null,null,310,383.32899305555554,-0.03003869227136491," - ",null,null,1.5748000000000002,180.9111216171875,-7.479634375569862,23.8074610489281,25.590184436596655,22.321077987270836,14.117418313282126," - "," - ",{"$nulls":10},"B","CVn","CAn"," ","M(Vn)",48,50,58,70,85,89]
[null,null,null,396.25,489.98101128472223,-0.049079054169764394,11.459735346570532,null,null,2.01295,231.24526432519534,-12.220684488271335,28.924624955721807,30.92056350617342,28.50431770797989,21.579949010689585,12.749488139076686," - ",{"$nulls":8},"5 or 15 Deg",null,-169.4,69.23,10.87,null,"B",-96.7,-99.9,-123.1,-161.2,-209,-229.3]
[null,null,null,482.5,596.6330295138889,-0.07276998233715347,17.380841725661206,null,null,2.4511000000000003,281.57940703320315,-18.119725601951213,33.029970993513956,35.1969656288736,33.46494417031208,27.566911982469843,20.01937174766699," - ",{"$nulls":14},"KEC",-97.7,-100.9,-124.1,-162.2,-210,-230.3]
[null,20,null,568.75,703.2850477430555,-0.10111147677353217,22.32553161380749,508,null,2.88925,331.91354974121094,-25.17675771660951,36.45832740881113,38.76817022814147,37.607541505462834,32.56659842144485,26.090419566422366,16.810105205083044,{"$nulls":13}," ",1,"Constants adjusted to yield Titus 1700 NC levels"]
[null,"x",1.3888888888888888,655,809.9370659722222,-0.13410353747890044,26.57070762111899,"x",0.129032,3.3274000000000004,382.24769244921873,-33.39178083224621,39.4016821444886,41.834164744472176,41.16409514440646,36.85899074430786,31.302610244184603,22.267575444151714]
[null,10,null,741.25,916.5890842013888,-0.17174616445325835,30.2899790448435,254,null,3.76555,432.5818351572265,-42.76479494886133,41.980405650754335,44.52033506349896,44.28005271447752,40.61962919094536,35.86909978653013,27.0489586120194]
[null,null,null,827.5,1023.2411024305555,-0.21403935769660587,33.599401232146015,null,null,4.2037,482.91597786523437,-53.29580006645486,44.27496386237533,46.91049986727084,47.05264388685289,43.965859916225995,39.93237995294233,31.303451962733316]
[null,null,null,913.75,1129.8931206597222,-0.26098311720894296,36.58040263002828,null,null,4.641850000000001,533.2501205732422,-64.9847961850268,46.34181446324703,49.06346924317886,49.55008836290621,46.98001704249724,43.59242789198596,35.135737451849636,{"$nulls":21}," "]
[null,null,null,1000,1236.545138888889,-0.3125774429902696,39.29232242268784,null,null,5.08,583.5842632812501,-77.83178330457714,48.222099744883025,51.02209974488302,51.82209974488303,49.72209974488304,46.92209974488303,38.622099744883016]
[{"$nulls":26}," "," "]
[null,"1) Performance data does not include damper",{"$nulls":37}," "]
[null,"2) Data were obtained from test conducted in accordance with ANSI / ASHRAE Standard 70-1991."]
[null,"3) All pressures are in inches of water (Pascals)"]
[null,"4) N.C. values are based on Octave Band 2 - 7 sound power levels minus a room absorption of 10dB."]
[{"$nulls":27}," ",null,null," "]