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{"sheet":"Velocity","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"]}
[{"$nulls":28},"EGC / EG 15 1/2 x 1in deep Egg Crate Return "]
[{"$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},18,"Inches",{"$nulls":11},2.25,2.1879340277777777,0.25,{"$nulls":8},"\"",null,"Based on Titus lab data egc50x50 sound"]
[null,"Enter Minimum Neck Velocity (greater than 0)=",{"$nulls":6},500,"FPM",{"$nulls":22}," ",null,"Modified 6/6/06 to agree with latest Titus data"]
[null,"Enter Maximum Neck Velocity =",{"$nulls":6},1000,"FPM"]
[{"$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,"EG15 Return Grille / 1/2\"x1/2\"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,500,1093.967013888889,-0.03755973051123315,11.484228373973535,null,null,2.54,516.294887890625,-9.352372897297055,31.889662875546634,22.550125782720755,24.93346414283721,24.24062417189222,22.380772868348572,10.555215194442836,{"$nulls":10},"B","CVn","CAn",null,"M(Vn)",48.32559400262715,63.49076575168263,56.83291432745321,61.769299007535025,76.75923951561742,111.41937020452976,76.42144057971625]
[null,null,null,562.5,1230.712890625,-0.04753653392827947,15.393377828688697,null,null,2.8575000000000004,580.8317488769532,-11.836596948141588,34.361638907549064,25.79783860303513,27.840611068722353,27.40027962593416,26.307201590715096,16.254597029903152,{"$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,625,1367.458767361111,-0.058687078923801796,18.890231174648278,null,null,3.1750000000000003,645.3686098632812,-14.613082652026646,36.5728968189633,28.703016717607795,30.441142609596454,30.22668774221097,29.81951176829557,21.352867810313285,{"$nulls":10}," ",null,null," "]
[null,18,null,687.5,1504.2046440972222,-0.07101136549780018,22.053519803902475,457.2,null,3.4925,709.9054708496094,-17.681830008952247,38.57322291659824,31.331069994821803,32.79360953897711,32.783484888474135,32.996782802550314,25.96481472171712,{"$nulls":14},"Old B",-97.59997378344744,-147.86985453757805,-127.51717489014054,-141.53316904249021,-183.85042014412969,-289.2226308937761,-193.8352554430108]
[null,"x",2.25,750,1640.9505208333333,-0.0845093936502746,24.94137606450471,"x",0.20903184000000002,3.81,774.4423318359375,-21.042839018918375,40.39937756808291,33.73029466234388,34.94124358256212,35.1176578051159,35.89740399881023,30.175192376949553,{"$nulls":8}," "]
[null,18,null,812.5,1777.6963975694443,-0.09918116338122503,27.597946302418876,457.2,null,4.1275,838.9791928222656,-24.69610968192503,42.079277001841774,35.93736740788259,36.91687538943373,37.264888740772875,38.56571683922843,34.04836436333386,{"$nulls":14},"Correction",-4,-4,-4,-4,-4,-4,-4]
[null,null,null,875,1914.4422743055554,-0.11502667469065153,30.05754617026338,null,null,4.445,903.5160538085937,-28.641641997972233,43.634620943551226,37.98079760060833,38.74602474213677,39.25291407140378,41.03618865886813,37.63436151480761]
[null,null,null,937.5,2051.1881510416665,-0.13204592757855405,32.34737886517942,null,null,4.7625,968.0529147949219,-32.879435967059955,45.08261151149958,39.88318559723089,40.44892204932134,41.103721375434645,43.33614289875723,40.972844992819944,{"$nulls":14},"Corrected 6/6/06 to attempt to agree with newest Titus data",{"$nulls":6}," "]
[null,null,null,1000,2187.934027777778,-0.1502389220449326,34.48937430032072,null,null,5.08,1032.58977578125,-37.40949158918822,46.43711622861679,41.66275072165263,42.041876096401865,42.83503598429763,45.48760640690537,44.095787723995954]
[{"$nulls":26}," ","Band","Const","Slope 1","Slope 2",null,"Note: Titus catalog assume area constant of 6!!!   (Which cannot be!) "]
[null,"1) Performance data does not include damper",{"$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]