标题: 想知道螺杆机轴功率的请进 [打印本页] 作者: 冬子 时间: 2003-7-4 15:19 标题: 想知道螺杆机轴功率的请进 我这里有GHH的计算软件,计算结果与实测值基本一样,不同牌子应该差不多,如果大家想知道的话,告诉我参数。作者: 王牌 时间: 2003-7-4 17:20
冬子你好//能把计算软件提供给我吗?谢了!!!作者: 冬子 时间: 2003-7-4 17:30
呵呵,就这点压箱底的东西了作者: 冬子 时间: 2003-7-4 17:32
顺便问一下,你要用来作什么呢?作者: wangyongchao 时间: 2003-7-5 09:07
就是,好东西大家分享嘛~~~作者: 王牌 时间: 2003-7-5 10:52
我要用来计算参数值啊。。行吗//谢了!!!!!作者: 冬子 时间: 2003-7-5 11:26
呵呵,我这里用的还不是宽带,没法上传,非常抱歉 . s. \0 @7 b4 b需要计算的话,可以留下参数作者: 冬子 时间: 2003-7-6 15:13
给大家一个,排气量24立方,压力8bar(g),考虑了从主机出口到最终出口的压差0.5bar, 轴功率为143kW4 s1 { P9 L' a- ~! c; p
AMBIENT DATA c; L8 r, Y+ W$ m1 Q) P Ambient air pressure 1.000 bar 14.50 psia 8 z9 t3 ~/ k; t7 w! t
Ambient temperature 20.0 °C 68.0 °F & x h/ U! \0 S6 r+ r" K8 R Relative humidity 60.0 % - r, H* k# b8 G0 \7 F0 d% ~' ~$ L6 u
MEDIUM AIR 5 I: {, n c- R1 _# V Isentropic exponent (dry) 1.400 --- 4 o' x9 X9 C9 o: }. W
Mol weight (dry) 28.97 kg/kMol7 G5 V( p( Y7 g" a
Real gas factor (dry) 1.000 --- ; l+ j6 _3 t2 X- ?+ J" T+ C6 \3 h
PACKAGE DATA- E" @) O5 K7 Q7 _; h
Suction pressure abs. 1.000 bar 14.50 psia 3 M' B2 Q+ |0 h+ F1 V Suction temperature 20.0 °C 68.0 °F 1 H X' y) {; b% F% t D Relative humidity 60.0 % % G/ N# U( T8 p8 t Discharge pressure abs. 9.500 bar 137.79 psia * `, J: X/ }! y% ?- o; h
Discharge temperature 80.0 °C 176.0 °F 5 T6 y! K& ^1 G1 G3 R4 s, ? Relative humidity 28.1 % ' O3 P( a$ ?% u2 M$ E( j. E8 {$ u
# y- Z2 T9 B4 { F% o1 Q! o% e
Volume flow (related to suct. cond.) 24.00 m3/min 847.6 cfm 4 K4 m3 y, u7 M: U Y7 V
Gas mass flow (wet) 28.38 kg/min 62.56 lb/min 4 V0 K. H7 e; \) g1 K9 i! V: E
Gas mass flow (dry) 28.13 kg/min 62.01 lb/min 0 |. P9 `& |$ o/ _ {( \2 E
Volume flow (rel. to 1.013 bar, 0 °C) 21.76 m3/min 768.5 cfm 4 y i1 u# u9 F0 z! u1 h Volume flow (rel. to 30" Hg, 60 °F) 22.94 m3/min 810.2 cfm $ ]9 O R& B, J' X+ q/ I
G: {& ^( M8 t% m; m Pressure loss before stage 0.000 bar 0.00 psi % A9 d0 z6 j0 w+ K _% q Pressure loss after stage 0.000 bar 0.00 psi - T2 X4 W# o) r" D) C
J/ [, X- m5 N2 E2 J5 ], MSTAGE DATA " W" _, |! Q8 D/ N Compressor type CF180R / ?$ k! b( h% B3 t. L Male rotor diameter 256.500 mm 3 C) W1 ~; H; G( @$ {( L* M7 e
Length-/diameter ratio (MR) 1.600 --- 8 i% e2 g4 q; J4 V( z Built-in volume ratio 5.180 --- : z* f/ T% e$ j
1 ]/ [7 Q4 P& Y Male rotor speed 2126 1/min 4 S8 u# }# ^# [ Z2 f/ a Male rotor tip speed 28.55 m/s 93.7 ft/s 1 ]& m. B2 Q; N: s% O# ?
% R; q' o. o9 k( ^1 K) u
Suction pressure abs. 1.000 bar 14.50 psia 2 p2 K0 u1 l5 t, N+ p9 l Suction temperature 20.0 °C 68.0 °F ) \) j2 ?" d, H4 |% a- L
Relative humidity 60.0 % 1 D. X# } E8 D( P( k. m: n" p
Discharge pressure abs. 9.500 bar 137.79 psia " x( q+ X8 w4 g0 P2 n
Discharge temperature 80.0 °C 176.0 °F $ Z; m" i4 Z$ T4 h4 m
Pressure ratio 9.5 --- ; B, s: K) }/ i. \
Dewpoint (discharge, H2O only) 51.6 °C 124.8 °F 6 Q. |% ]& O) l6 w0 p/ l 6 O2 p6 _/ l( w3 W+ Q, s w Volume flow (related to suct. cond.) 24.00 m3/min 847.6 cfm ' l0 F# B8 p/ K" M$ B& D3 y
Power consumption 143.1 kW 191.9 HP 1 D; z* J9 n' h3 ^: u7 _
/ n0 `) A9 {) ~ Z) k Oil volume flow 220.8 L/min 58.3 gal/min$ L- n2 b) D+ o/ b1 B& D
Oil injection temperature 62.0 °C 143.6 °F 9 L, K" b1 H! M! A7 v0 x) o- r. @7 `' l Oil heat flow 114.38 kW 108.41 BTU/s 9 N6 c7 ?: @: Y" H, t5 I8 o+ r) m" O Recommended oil viscosity group ISO VG 68 --- 0 t/ J8 i6 [% |/ W9 P- I5 \$ B3 U
6 C3 A6 E2 o- \( K' _+ ^3 l0 f All oil data are valid only for the compressor stage. 6 [8 S R' ]- u% q: O7 M( K w; j& N' |/ }" N