Plant Name: ____________________________Elevation: _________ Date: ________________ Location: _______________________________ Temp: ____________ Drawing #.:___________ Department: ____________________________+ Factor: ___________ Designer: _____________ 1 DuctSegment !enti"ication n ut $ c"m 1%&&.& 1%&&.& ' "pm (&&& (&&& ( inc)es *.$ *.$ % Selecte! !uct !iameter inc)es *.&& *.&& , s-."t &.'%&& &.'%&& /ctual Duct0elocit "pm ($ .& ($ .& * 2wg 1.1%&& 1.1.% 3 s- "t 1& Slot area selecte! s- "t 11 S "pm 1$ L 2wg 1' D 1( T /cceleration Factor & or 1 1% S S 1, 4 2wg 1 5 &.( & 1* T 1 or& 1 1 1.( $& 2wg 1. 1( $1 N t)er Losses 2wg $$ 2wg 1. 1( $' Straig)t DuctLengt) "t '%.& 1&.& $( &.&'&$ &.&'&$ $% 1.&,(& &.'&1 $, No. o" & !egree El6ows 1.&& 1.&& $ &.1' &.1' $* &.1' &.1' $ No. o"6ranc) entries 71 or&8 '& Entr loss coe""icient '1 '$ Special Fittings Loss Factors '' 1.1 (& &.('1 '( 2wg 1.' '1 &.( & '% 2wg '.&* &.( ', t)er losses 2wg ' 5umulative Static Pressure 2wg '.&* &.( '* 2wg 9'.&* &.( ' 5orrecte! 0olumetric Flowrate c"m (& 5orrecte! 0elocit "pm (1 5orrecte! 0elocit Pressure 2wg ($ esultant 0elocit Pressure 2wg PE TNENT E;4/T NS: Branch Entry Loss Factors /ngle 7<8 Factor Elbow Loss Factors: 1& &.&, ,&<el6ow = $>' loss '&<el6ow= 1>' loss 1% &.& $& &.1$ R/D $% &.1% &.% &. % 1 1.% $ $.% '& &.1* t)er n"ormation: Stampe! &. 1 &.'' &.$$ &.1% &.1' &.1$ '% &.$1 %9piece 9 &.(, &.'' &.$( &.1 &.1 (& &.$% (9piece 9 &.% &.' &.$ &.$( &.$' (% &.$* '9piece &. &.%( &.($ &.'( &.'' &.'' %& &.'$ ,& &.(( & 1.&& see Fig %91( Fig %91% T)e "inal calculations: T)e "an Sp = Spo 9 Spin 9 0pin = &.( 9 79'.& 8 9 1.1% = $.(' "pm T)e "an TP = SP o 9 SP in + 0P o 9 0P in = &.( 9 79 '.& 8 + 1.1% 91.1% = '.%* "pm ?3P =7 Fan TP < ;8>7,',$ < n8 = 7 '.%* < 1%&&8 > 7 ,',$ < &. 8 = &. ( )p Target 0olume Flowrate@ ; = 0</9 5)ap 1& Ain. Transport 0elocit @ 0 5)ap 1& AaBimum Duct Diameter 7D= 77(<1((<;8>7pi< Duct /rea 7pi<7D>1$8 $ >(8 Duct 0elocit Pres@ 0P = 70>(&&%8 $ AaBimum Slot /rea = 7$>118 Slot 0elocit @ 0s 5)ap 1& Slot 0elocit Pres@ 0Ps=70s>(&&%8 $ Slot Loss 5oe""icient 9 5)ap 1&@ 5)ap ' Slot Loss per 0P 71'+1(8 Slot Static Pressure 71$<1%8 Duct Entr Loss 5oe""icient F%91(@ 5)ap % /cceleration Factor 71 at )oo!s8 Duct Entr Loss per 0P 71 + 1*8 Duct Entr Loss 7* < 1 8 3oo! Static Pressure SP) 71,+$&+$18 Friction Factor 73"8 Friction Loss per 0P 7$' < $(8 El6ow loss coe""icient 76ottom o" page8 El6ow Loss per 0P 7$,<Loss Factor876ottom o" page8 Entr Loss per 0P 7$ <Loss Factor8 7?ranc)8 Duct Loss per 0P 7$% + $* + '1 + '$8 Duct Loss 7*<''8 Duct Segment SP Loss 7$$ + '(8 Coverning Static Pressure 7at T location8 (% ο el6ow=1>$ loss & o el6ow Velocity Pressure Method Calculation Sheet or Q corr = Q design √ SP gov . SP duct VP r = Q 1 Q 3 VP 1 + Q 2 Q 3 VP 2 FSP= SP outlet − SP inlet − VP inlet V Pr = [ Q 1 +Q 2 4005 ∗( A 1 + A 2 )] 2 H f = 0.0307 ( V 0.533 Q 0.612 ) = 0.4937 Q 0.079 ∗ D 1.066 FanTP = SP out − SP in + VP out − VP in SP 3 = SP 1 −( VP 3 − V Pr )
