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[{"$nulls":28},"EGC / EG 10 1in Egg Crate Return "]
[{"$nulls":8},"Input Data",{"$nulls":12},"Nominal Duct","Core Area","H & W",null,null," "," "]
[null,"Enter Duct Width in inches =",{"$nulls":6},18,"Inches",{"$nulls":11},"Area ( ft2 )","( ft2 )","border",null,null," Free area & Core Area Ratio",null,"Ak/Ac",1,null,null," - ",null," "]
[null,"Enter Duct Height in inches =",{"$nulls":6},14,"Inches",{"$nulls":11},1.75,1.6948784722222223,0.25,{"$nulls":8},"\"",null,"Based on Titus lab data egc50x50 sound"]
[null,"Enter Minimum Air Flow (must be greater than 0)=",{"$nulls":6},317,"CFM",{"$nulls":22}," ",null,"Modified 6/6/06 to agree with latest Titus data"]
[null,"Enter Maximum Air Flow =",{"$nulls":6},1587,"CFM"]
[{"$nulls":26},"Pressure Constants",null,null,null," "]
[{"$nulls":27},"m","b"," ",null," ",null,"Titus new catalog:  @ 1400 fpm   Ps= 0.294   Pv=.122 ",{"$nulls":4},"Pt= ",0.416]
[null,"EG10 Return Grille / 1\"x1\"x1\" Core",{"$nulls":24},"0 Degrees",0,3.4098360655737703,{"$nulls":9},"Pt/Pv",3.4098360655737703]
[null,"IP Data",{"$nulls":5},"Metric Data",{"$nulls":24}," "]
[null,"Nom","Duct ","Neck","Air"," ",null,"Nom","Duct ","Neck","Air"," ",{"$nulls":19}," ","From EGC sound regression.Modified as shown"]
[null,"Duct","Area","Vel","Flow","Ps","Nc","Duct","Area","Vel","Flow","Ps","Octave Band, dB",{"$nulls":20},"2","3","4","5","6","7","NC"]
[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)",9,9,9,9,9,9,9]
[null,null,null,187.03405889884763,317,-0.005255618786888779," - ",null,null,0.950133019206146,149.6073258,-1.308649077935306," - "," - "," - "," - "," - "," - ",{"$nulls":10},"B","CVn","CAn",null,"M(Vn)",48.32559400262715,63.49076575168263,56.83291432745321,61.769299007535025,76.75923951561742,111.41937020452976,76.42144057971625]
[null,null,null,280.69859154929577,475.75,-0.011837579968583693," - ",null,null,1.4259488450704225,224.52897555,-2.9475574121773396,18.774936832580803," - "," - "," - "," - "," - ",{"$nulls":8},"0 deg",null,-197.8352554430108,76.42144057971625,9,null,"New B",-101.59997378344744,-151.86985453757805,-131.51717489014055,-145.53316904249021,-187.85042014412969,-293.2226308937761,-197.8352554430108," ",3]
[null,null,null,374.3631241997439,634.5,-0.021055646700815514," - ",null,null,1.901764670934699,299.4506253,-5.242856028503063,24.818189098508267,13.572739604949188,16.79281636814164,15.47958666919089,11.735845491311547," - ",{"$nulls":10}," ",null,null," "]
[null,18,null,468.02765685019205,793.25,-0.03290981898358425," - ",457.2,null,2.3775804967989758,374.37227505000004,-8.194544926912478,29.504730510028846,19.729975932520002,22.30438455535383,21.469877812713573,19.179837895982498," - ",{"$nulls":14},"Old B",-97.59997378344744,-147.86985453757805,-127.51717489014054,-141.53316904249021,-183.85042014412969,-289.2226308937761,-193.8352554430108]
[null,"x",1.75,561.6921895006402,952,-0.04740009681688989,14.347619075516118,"x",0.16258032,2.8533963226632526,449.2939248,-11.802624107405583,33.33341594834744,24.760150425314603,26.807078334780467,26.363665887671086,25.261232003085976,15.186994603800908,{"$nulls":8}," "]
[null,14,null,655.3567221510883,1110.75,-0.06452648020073243,19.466279289685954,355.59999999999997,null,3.329212148527529,524.21557455,-16.067093569982376,36.57023396003285,29.012722140202865,30.61371133222846,30.500934838486327,30.40251777836107,22.649794219032994,{"$nulls":14},"Correction",-4,-4,-4,-4,-4,-4,-4]
[null,null,null,749.0212548015364,1269.5,-0.08428896913511191,23.89997487845488,null,null,3.8050279743918054,599.1372243000001,-20.987953314642866,39.373910144736385,32.69622674186189,33.910951473726044,34.08456616568412,34.855811239672505,29.11394310751066]
[null,null,null,842.6857874519845,1428.25,-0.10668756362002825,27.810576728415324,null,null,4.280843800256082,674.05887405,-26.565203341387033,41.846804608299664,35.94514620897067,36.81917851343681,37.24539554991509,38.783698777178614,34.815442476509844,{"$nulls":14},"Corrected 6/6/06 to attempt to agree with newest Titus data",{"$nulls":6}," "]
[null,null,null,936.3503201024328,1587,-0.13172226365548156,31.308591944811152,null,null,4.756659626120359,748.9805238,-32.79884365021491,44.05879723602598,38.851289602961515,39.420574111340756,40.072742773356566,42.297175960908476,39.915407217034925]
[{"$nulls":26}," ","Band","Const","Slope 1","Slope 2",null,"Note: Titus catalog assume area constant of 6!!!   (Which cannot be!) "]
[null,"1) Performance data does not include damper",{"$nulls":25},2,-101.59997378344744,48.32559400262715,9,null,"So I used a 9 for an area constant",{"$nulls":6}," "]
[null,"2) Data were obtained from test conducted in accordance with ANSI / ASHRAE Standard 70-1991.",{"$nulls":25},3,-151.86985453757805,63.49076575168263,9]
[null,"3) All pressures are in inches of water (Pascals)",{"$nulls":25},4,-131.51717489014055,56.83291432745321,9,null,"Note this data assumes no OBD"]
[null,"4) N.C. values are based on Octave Band 2 - 7 sound power levels minus a room absorption of 10dB.",{"$nulls":25},5,-145.53316904249021,61.769299007535025,9]
[{"$nulls":27},6,-187.85042014412969,76.75923951561742,9]
[{"$nulls":27},7,-293.2226308937761,111.41937020452976,9]