{"text_format":"2","workbook":"xls","n_sheets":1,"sheets":["cfm"],"not_rendered":{"charts":0,"images":0,"macros":1,"external_links":1,"defined_names":4,"comments":0,"pivot_tables":0},"unopened":[],"bounds":{"document_bytes":16777216,"sheet_cells":100000,"run_cost":"one","rows_first":2000,"rows_last":500,"rows_between":2000,"halvings":0,"cell_chars":16384,"cell_head_chars":4096},"cells_cut":0,"cells_raw":0,"read":"whole","date_system":"1900","formulas":"cached_only"}

{"sheet":"cfm","index":0,"n_rows":27,"n_cols":40,"rows_kept":27,"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"]}
[{"$nulls":28},"AFCS85(H,V)  1/2\" Spacing 30° Deflection"]
[{"$nulls":8},"Input Data",{"$nulls":12},"Nominal Duct","Core Area","H & W",null,null," "," "]
[null,"Enter Duct Width in inches =",{"$nulls":6},20,"Inches",{"$nulls":11},"Area ( ft2 )","( ft2 )","border",null,null," Free area & Core Area Ratio",null,"Ak/Ac",1,null,null," - ",null," "]
[null,"Enter Duct Height in inches =",{"$nulls":6},20,"Inches",{"$nulls":11},2.7777777777777777,2.5733506944444446,0.75,{"$nulls":8},"\"",null,"Based on:","Titus Models 25R Return 1/2\" Spacing 30° Deflection"]
[null,"Enter Minimum Air Flow (must be greater than 0)=",{"$nulls":6},900,"CFM",{"$nulls":22}," "]
[null,"Enter Maximum Air Flow =",{"$nulls":6},1600,"CFM"]
[{"$nulls":26},"Pressure Constants",null,null,null," "]
[{"$nulls":27},"m","b",null," "," "]
[null,"AFCS85 Return Grille / 30° deflection",{"$nulls":24}," ",0,4.1166741347524285]
[null,"IP Data",{"$nulls":5},"Metric Data",{"$nulls":24}," "]
[null,"Nom","Duct ","Neck","Air"," ",null,"Nom","Duct ","Neck","Air"," ",{"$nulls":19}," ","from : ","AFSC85 Sound Regression"]
[null,"Duct","Area","Vel","Flow","Ps","Nc","Duct","Area","Vel","Flow","Ps","Octave Band, dB",{"$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)",10.249067640048848,10.457986254944725,10.454102164900009,12.915498125785941,13.383557288081624,11.880865529983597,11.84485318524727]
[null,null,null,349.73857311519646,900,-0.02376694841973142," - ",null,null,1.776671951425198,424.75266,-5.917970156513124,21.917387181941415,26.096656732530352,25.57508611920892," - "," - "," - ",{"$nulls":10},"B","CVn","CAn",null,"M(Vn)",84.2575152721979,91.08407583797667,96.37125141423752,135.94239595409556,143.87992466327952,132.49015995660827,106.60367866722542]
[null,null,null,383.740934390285,987.5,-0.02861294851225768,12.655332902433734,null,null,1.949403946702648,466.0480575,-7.124624179552162,25.312509623675247,29.766852666543844,29.45832665101716,14.974488830563917," - "," - ",{"$nulls":8}," ",null,-267.67493753246436,106.60367866722542,11.84485318524727,null,"B",-196.61935423663496,-209.8908648610479,-223.86005974380444,-341.60764437221036,-367.90858280526925,-341.0247644920162,-267.67493753246436]
[null,null,null,417.7432956653736,1075,-0.03390824662660756,16.585955510900384,null,null,2.122135941980098,507.343455,-8.443153410025282,28.419198798032475,33.1252464127637,33.01166575104472,19.986869844677802,14.681613528652793,11.097036021278562]
[null,20,null,451.7456569404621,1162.5,-0.03965284276278106,20.208827941841967,508,null,2.2948679372575476,548.6388525,-9.873557847932485,31.282648099178708,36.22069294309672,36.2867942855286,24.606803834344635,19.571300441387837,15.59964750597404,{"$nulls":9}," "]
[null,"x",2.7777777777777777,485.74801821555064,1250,-0.0458467369207782,23.568661566736658,"x",0.258064,2.4675999325349975,589.93425,-11.415837493273772,33.93819654273016,39.091394447199505,39.324131974272774,28.89130732133116,24.105971429056343,19.775346693423806,{"$nulls":8}," ","Band","Const","Slope 1","Slope 2"]
[null,20,null,519.7503794906391,1337.5,-0.05248992910059894,26.70108036112,508,null,2.640331927812447,631.2296475,-13.069992346049135,36.41400063979659,41.7677886822854,42.15588340107419,32.88580846204108,28.333707148726877,23.668408099066674,{"$nulls":9},2,-196.61935423663496,84.2575152721979,10.249067640048848]
[null,null,null,553.7527407657277,1425,-0.05958241930224335,29.634928053216264,null,null,2.813063923089897,672.525045,-14.836022406258595,38.732857923275155,44.27452024187956,44.80812370910982,36.62708915342289,32.293437152323165,27.314679549300102,{"$nulls":9},3,-209.8908648610479,91.08407583797667,10.457986254944725]
[null,null,null,587.7551020408163,1512.5,-0.06712420752571135,32.39388658229884,null,null,2.985795918367347,713.8204425,-16.713927673902127,40.91348614648302,46.63182339537805,47.30226171046016,40.14534891209648,36.01712427340895,30.743593648717386,{"$nulls":9},4,-223.86005974380444,96.37125141423752,10.454102164900009,{"$nulls":5}," ",null,null," "]
[null,null,null,621.7574633159048,1600,-0.07511529377100301,34.99763872100103,null,null,3.1585279136447966,755.11584,-18.70370814897975,42.971442197667294,48.856515453193126,49.6560909133203,43.465687465428275,39.531333785144156,33.979612721013005,{"$nulls":9},5,-341.60764437221036,135.94239595409556,12.915498125785941]
[{"$nulls":26}," ",6,-367.90858280526925,143.87992466327952,13.383557288081624]
[null,"1) Performance data does not include damper",{"$nulls":25},7,-341.0247644920162,132.49015995660827,11.880865529983597,{"$nulls":8}," "]
[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."]