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[{"$nulls":28},"DMGP Perforated Face Duct Mounted Supply Grille, Entrained Jet"]
[{"$nulls":8},"Input Data",{"$nulls":12},"Nominal Duct","Core Area","H & W",null,null," "," ",{"$nulls":12},"Titus says:"]
[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",0.77,null,null," - ",null," "," ",{"$nulls":4},"negative ps =1.1 * Pt supply"]
[null,"Enter Duct Height in inches =",{"$nulls":6},8,"Inches",{"$nulls":11},1.1111111111111112,0.9691840277777778,0.75,{"$nulls":16},"if:"]
[null,"Enter Minimum Neck Velocity (greater than 0)=",{"$nulls":6},300,"FPM",{"$nulls":30},"tp/vp =5.1","S80P return"]
[null,"Enter Maximum Neck Velocity =",{"$nulls":6},1100,"FPM",{"$nulls":16},"Throw Zones",{"$nulls":13},"Then;","Pt","Pv","Ps"]
[{"$nulls":27},"c(ii)","c(iii)","c(iv)",{"$nulls":10},"1200 fpm",0.458,0.08977542117297199,0.368224578827028]
[{"$nulls":26},"Entrained",1,3,11,null,"from 1310 security grille",{"$nulls":7},"tp/vp",3.6914571562500003,0.33140212094432525,0.08977542117297199]
[null,"DMGP Perforated Face Duct Mounted Supply Grille, Entrained Jet",{"$nulls":24},"Free",0.707,2.121,7.776999999999999,{"$nulls":9},"ratio",0.7238151286764707]
[null,null,"IP Data",{"$nulls":4},"Metric Data"]
[null,"Nom","Neck","Air","Entrained",null,"Nom","Neck","Air","Entrained"]
[null,"Duct","Vel","Flow","Pt","Throw","Duct","Vel","Flow","Pt","Throw","Nc","Octave Band, dB"]
[null,"in","FPM","CFM","\"WG","ft","mm","m/s","L/s","Pa","m",null,2,3,4,5,6,7,{"$nulls":8},"Pressure Constants",null,null,null," "]
[null,null,300,290.7552083333333,0.02266380507511678,"6 - 10 - 20",null,1.524,137.221164609375,5.643287463704078,"1.8 - 3.1 - 6.1"," - ",43.149231783842566,35.22128759762375,27.67785807599139,23.720834312348313,21.892552036041483,17.388015272837496,{"$nulls":9},"m","b",null,"S80P"," ","S80P Return"]
[null,null,400,387.67361111111114,0.04029120902242982,"9 - 13 - 27",null,2.032,182.96155281250003,10.032511046585025,"2.7 - 4.1 - 8.2",14.626160086046305,44.47926053615615,36.94463177557415,30.689503868005357,27.380936636641916,26.554483147619425,23.056757544173966,{"$nulls":8},"0 Degrees",0,4.0392,null,3.6719999999999997,null,5.1]
[null,null,500,484.5920138888889,0.0629550140975466,"11 - 17 - 34",null,2.54,228.701941015625,15.675798510289104,"3.4 - 5.1 - 10.2",18.08391216616426,45.51091098490284,38.28136136990428,33.02551782814926,30.21993255966093,30.17055784895162,27.45377565215154,{"$nulls":14},"reduce *.72for supply"]
[null,20,600,581.5104166666666,0.09065522030046712,"13 - 20 - 38",508,3.048,274.44232921875,22.57314985481631,"4.1 - 6.1 - 11.4",20.909101325975293,46.35383077700485,39.373548973872474,34.93418020892372,32.53956112776446,33.12510600930501,31.046401036018626]
[null,"x",700,678.4288194444445,0.12339182763119137,"16 - 24 - 41","x",3.556,320.182717421875,30.724565080166652,"4.8 - 7.2 - 12.3",23.297764725321137,47.06650930650657,40.29698043535824,36.54793125806381,34.500779137349525,35.623140885211434,34.08392251743975,{"$nulls":10},110,"add to pressure for duct effect",null,null,"Coefficients from S80P New Sound Regression..xls"]
[null,8,800,775.3472222222223,0.1611648360897193,"18 - 27 - 43",203.2,4.064,365.92310562500006,40.1300441863401,"5.5 - 8.2 - 13.2",25.366919078602656,47.68385952931844,41.09689315182288,37.9458260009377,36.19966345205806,37.787037120882964,36.7151433073551,{"$nulls":8},"Sound",{"$nulls":6},"2","3","4","5","6","7","NC"]
[null,null,900,872.265625,0.203974245676051,"20 - 30 - 46",null,4.572,411.663493828125,50.7895871733367,"6.1 - 9.2 - 14.0",27.19204256590431,48.22840101785357,41.802466172170796,39.178856549842095,37.698185618886995,39.695728870990614,39.036044527863304,{"$nulls":10},"B","CVn","CAn",null,"M(An)",10.466413341303731,10.5053081238503,10.632707681221367,10.696833251107343,10.795903641665245,10.89546673675829]
[null,null,1000,969.1840277777778,0.2518200563901864,"22 - 34 - 48",null,5.08,457.40388203125,62.703194041156415,"6.8 - 10.2 - 14.7",28.824671158720612,48.715509978065135,42.433622746153006,40.2818399610816,39.038659375077074,41.40311182221516,41.11216141533267,{"$nulls":8},"0 deg",null,-76.94438574956783,35.680029057786996,10,null,"M(Vn)",10.645447428233576,13.793513723076307,24.10498035894091,29.295176369267452,37.313736621122814,45.372175397521]
[null,null,1100,1066.1024305555557,0.3047022682321256,"25 - 36 - 51",null,5.588,503.1442702343751,75.87086478979927,"7.5 - 10.9 - 15.4",30.30156336794591,49.15615363183044,43.00457331691796,41.27960982382443,40.25126538718483,42.94762757425023,42.99023758650602,{"$nulls":14},"B",16.91510521016177,1.1890190937214453,-31.89716359894377,-48.71093221592792,-70.40216052435592,-94.86842726043295]
[]
[{"$nulls":26}," "]
[null,"1) Throw values are given for terminal velocities of 150, 100, and 50 fpm. for",{"$nulls":25},"S80P",-78.94438574956783,35.680029057786996,10,null,"S80P",14.91510521016177,-0.8109809062785547,-33.89716359894377,-50.71093221592792,-72.40216052435592,-96.86842726043295]
[null,"ducts located within 1 diameter of a horizontal surface.  For free jet performance, reduce throw by 30%. ",{"$nulls":25},"correction",2,{"$nulls":4},2,2,2,2,2,2]
[null,"2) Throw Values are given for Isothermal Conditions",{"$nulls":34}," ",null,null," "]
[null,"3) N.C. values are based on Octave Band 2 - 7 sound power levels minus a room absorption of 10dB.",{"$nulls":31},2,"Correction"]
[null,"4) Dash (-) in space denotes an NC or dB value of less than 10.",{"$nulls":24}," "," ","Sound levels Decreased  from S80P retrurn by 3, increased by 5 for duct mount = +2 for duct mount location."]
[null,"5) Data were obtained from test conducted in accordance with ANSI / ASHRAE Standard 70-1991.",{"$nulls":37}," "]