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{"sheet":"cfm","index":0,"n_rows":29,"n_cols":42,"rows_kept":29,"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"]}
[{"$nulls":28},"EGC / EG 5 1/2in Egg Crate Return "]
[{"$nulls":8},"Input Data",{"$nulls":12},"Nominal Duct","Core Area","H & W",null,null," "," "]
[null,"Enter Duct Width in inches =",{"$nulls":6},12,"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},12,"Inches",{"$nulls":11},1,0.9587673611111112,0.25,{"$nulls":8},"\"",null,"Based on Titus lab data egc50x50 sound"]
[null,"Enter Minimum Air Flow (must be greater than 0)=",{"$nulls":6},450,"CFM",{"$nulls":22}," ",null,"Modified 6/6/06 to agree with latest Titus data"]
[null,"Enter Maximum Air Flow =",{"$nulls":6},1200,"CFM"]
[{"$nulls":26},"Pressure Constants",null,null,null," "]
[{"$nulls":27},"m","b"," ",null," ",null,"Titus new catalog:  @ 1400 fpm   Ps= 0.29   Pv=.122 ",{"$nulls":4},"Pt= ",0.412]
[null,"EC5 Return Grille / 1/2\"x1/2\"x1/2\" Core",{"$nulls":24},"0 Degrees",0,3.3770491803278686,{"$nulls":9},"Pt/Pv",3.3770491803278686]
[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,469.3526482571299,450,-0.03264612744411809," - ",null,null,2.38431145314622,212.37633,-8.128885733585404,27.337234615278177,17.581099158438704,20.147333568601695,19.3188874986363,17.04725156148193," - ",{"$nulls":10},"B","CVn","CAn",null,"M(Vn)",48.32559400262715,63.49076575168263,56.83291432745321,61.769299007535025,76.75923951561742,111.41937020452976,76.42144057971625]
[null,null,null,567.1344499773653,543.75,-0.047665613160596046,12.440816955448367,null,null,2.881043005885016,256.62139875,-11.868737676988415,31.30895842718097,22.799199243420404,24.81824644184867,24.395505816032127,23.355844464678384,13.426751350942721,{"$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," "," "]
[null,null,null,664.9162516976007,637.5,-0.06551896410659812,17.720080312950174,null,null,3.3777745586238117,300.8664675,-16.31422206254293,34.64733487902835,27.185199698658536,28.74431640118148,28.662585766309903,28.658443283157865,21.123703855039096,{"$nulls":10}," ",null,null," "]
[null,12,null,762.698053417836,731.25,-0.08620618028212432,22.27370457948247,304.79999999999995,null,3.8745061113626074,345.11153625000003,-21.465338890248955,37.526848741573346,30.968340783600567,32.13074481519821,32.343152067516954,33.232195532361786,27.76270390628595,{"$nulls":14},"Old B",-97.59997378344744,-147.86985453757805,-127.51717489014054,-141.53316904249021,-183.85042014412969,-289.2226308937761,-193.8352554430108]
[null,"x",1,860.4798551380715,825,-0.1097272616871747,26.277276316782107,"x",0.09290304,4.371237664101403,389.356605,-27.3220881601065,40.05853331686366,34.2944994298485,35.108111478581364,35.57912639439995,37.25346390377881,33.59974961171561,{"$nulls":8}," "]
[null,12,null,958.2616568583069,918.75,-0.1360822083217492,29.84947455308567,304.79999999999995,null,4.8679692168402,433.60167375000003,-33.88446987211555,42.317436058751085,37.26227391459069,37.764675327475956,38.46643366443577,40.84145201205938,38.80787019561775,{"$nulls":14},"Correction",-4,-4,-4,-4,-4,-4,-4]
[null,null,null,1056.0434585785422,1012.5,-0.16527102018584783,33.074282032099475,null,null,5.364700769578994,477.8467425,-41.152484026276106,44.35666400035076,39.94143691768495,40.162892448051494,41.07295476508365,44.08051382240525,43.5095091024083]
[null,null,null,1153.8252602987777,1106.25,-0.19729369727947066,36.01331703829841,null,null,5.861432322317791,522.09181125,-49.12613062258819,46.21518186381506,42.38318077515548,42.34858697887434,43.44849402100944,47.032539985145334,47.79450329926813,{"$nulls":14},"Corrected 6/6/06 to attempt to agree with newest Titus data",{"$nulls":6}," "]
[null,null,null,1251.607062019013,1200,-0.23215023960261752,38.71313081320035,null,null,6.3581638750565865,566.3368800000001,-57.80540966105176,47.922426628882235,44.626180156679325,44.35637803600612,45.630677490223476,49.744287508133866,51.730722613994445]
[{"$nulls":26}," ","Band","Const","Slope 1","Slope 2",null,"Note: Titus catalog assume area constant of 6!!!   (Which cannot be!) "]
[null,"1) Performance data does not include damper",{"$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]