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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",{"$nulls":11},1.75,1.5872395833333333,0.75,{"$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,"EGC10 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,199.7178014766202,317,-0.005992609965442991," - ",null,null,1.0145664315012306,149.6073258,-1.4921598813953048,11.374815771130596," - "," - "," - "," - "," - ",{"$nulls":10},"B","CVn","CAn",null,"M(Vn)",48.32559400262715,63.49076575168263,56.83291432745321,61.769299007535025,76.75923951561742,111.41937020452976,76.42144057971625]
[null,null,null,299.7342083675144,475.75,-0.013497554248689494," - ",null,null,1.5226497785069733,224.52897555,-3.360891007923684,19.895562021771095," - ",11.048750076049341," - "," - "," - ",{"$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,399.7506152584086,634.5,-0.02400826303515992," - ",null,null,2.0307331255127155,299.4506253,-5.97805749575482,25.93881428769856,15.125512709292504,18.155866819818097,16.98330472313327,13.666718057317976," - ",{"$nulls":10}," ",null,null," "]
[null,18,null,499.7670221493027,793.25,-0.03752473632485426," - ",457.2,null,2.538816472518458,374.37227505000004,-9.34365934488871,30.62535569921914,21.28274903686329,23.66743500703029,22.973595866655952,21.110710461988926," - ",{"$nulls":14},"Old B",-97.59997378344744,-147.86985453757805,-127.51717489014054,-141.53316904249021,-183.85042014412969,-289.2226308937761,-193.8352554430108]
[null,"x",1.75,599.7834290401969,952,-0.054046974117772525,16.26886569673891,"x",0.16258032,3.0468998195242003,449.2939248,-13.45769655532536,34.45404113753773,26.31292352965789,28.170128786456925,27.867383941613465,27.192104569092404,18.105544953085737,{"$nulls":8}," "]
[null,14,null,699.7998359310911,1110.75,-0.07357497641391472,21.387525910908774,355.59999999999997,null,3.554983166529943,524.21557455,-18.320169127064766,37.690859149223144,30.56549524454618,31.976761783904916,32.00465289242871,32.3333903443675,25.56834456831788,{"$nulls":14},"Correction",-4,-4,-4,-4,-4,-4,-4]
[null,null,null,799.8162428219853,1269.5,-0.09610874321328083,25.821221499677673,null,null,4.063066513535685,599.1372243000001,-23.93107706010693,40.49453533392668,34.24899984620521,35.27400192540247,35.5882842196265,36.78668380567893,32.03249345679549]
[null,null,null,899.8326497128794,1428.25,-0.12164827451587085,29.731823349638173,null,null,4.571149860541428,674.05887405,-30.29042035445184,42.967429797489984,37.497919313313986,38.182228965113296,38.749113603857495,40.71457134318507,37.733992825794786,{"$nulls":14},"Corrected 6/6/06 to attempt to agree with newest Titus data",{"$nulls":6}," "]
[null,null,null,999.8490566037736,1587,-0.15019357032168482,33.22983856603395,null,null,5.07923320754717,748.9805238,-37.39819901009952,45.17942242521627,40.40406270730483,40.78362456301721,41.576460827298945,44.228048526914904,42.833957566319754]
[{"$nulls":26}," ","Band","Const","Slope 1","Slope 2",null,"Note: Titus catalog assume area constant of 6!!!   (Which cannot be!) "]
[null,"1) Performance data does not include damper",{"$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]