Engineers Guide To Rotating Equipment

pangaofeng1

Engineers Guide To Rotating Equipment.
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Contents
About the Author vi
Preface vii
/ P$ j0 a  m/ u, Z& [Introduction ix
& `  [9 ]" q+ I! FChapter 1 Engineering Fundamentals 1
- M. v  ?( X  P1 y1.1 The Greek alphabet 1
1.2 Units systems 2
1.3 Conversions 4
1.4 Consistency of units 17
: \. Y' Z8 x' K. ?+ K1.5 Foolproof conversions: using unity brackets 17
1.6 Imperial–metric conversions 19
7 p3 V" o. v3 q: I/ f1.7 Dimensional analysis 21
# p( u% D" |7 f. Y1 \1.8 Essential mathematics 23
' H/ z: [# v! _2 P1 e1.9 Useful references and standards 45
0 {' V; f/ I/ |! }0 L: s1 fChapter 2 Bending, Torsion, and Stress 47
2.1 Simple stress and strain 47
2.2 Simple elastic bending (flexure) 48
5 ]7 }1 U  N* {2.3 Slope and deflection of beams 51
2.4 Torsion 51
2.5 Combined bending and torsion 60
2.6 Stress concentration factors 61
Chapter 3 Motion and Dynamics 65
4 b% M$ K! o+ d3.1 Making sense of dynamic equilibrium 65
3.2 Motion equations 65
3.3 Newton’s laws of motion 67
5 l5 }0 q! k; o6 p! H& }- z1 [3.4 Simple harmonic motion 67
3.5 Understanding acceleration 68
, N5 C# H0 I3 c; Z3.6 Dynamic forces and loadings 69
6 w: u5 E6 K4 }2 \# S3.7 Forces due to rotating masses 70
3.8 Forces due to reciprocating masses 70
Chapter 4 Rotating Machine Fundamentals: Vibration,
Balancing, and Noise 71
& k+ i+ s+ ^% d' Q4.1 Vibration: general model 71
2 e, g, o2 R4 `1 r2 T2 R: i8 P1 b4.2 Vibration formulae 72
1 P7 e& z& R, Z7 L2 m4.3 Machine vibration 75
4.4 Dynamic balancing 78
/ P" `# A1 H) Y, ]7 w5 W/ a9 E: T" \4.5 Machinery noise 79
% h% @) h# X  t; x  \4.6 Useful references 81
Chapter 5 Machine Elements 83
5.1 Screw fasteners 83
5 r" O8 N. J0 V4 @5.2 Bearings 86
5.3 Mechanical power transmission – broad guidelines 90
5 }/ ^8 x& P$ W7 t7 r5.4 Shaft couplings 91
5.5 Gears 99
5.6 Seals 110
6 p/ b% t5 T) `' _5.7 Cam mechanisms 119
5.8 Belt drives 121
# _0 G+ c; b: U+ l0 y5.9 Clutches 123
5.10 Brakes 128
7 |" v/ @3 o0 L% }/ D4 S, K5.11 Pulley mechanisms 128
5.12 Useful references and standards 131
Chapter 6 Fluid Mechanics 135
6.1 Basic properties 135
& W- A( c# s" Z5 G& _! {6.2 Flow equations 137
* R0 H: f  u* U" ~2 p7 d# k6.3 Flow regimes 142
7 N: q  p- X3 K, e# v$ D6.4 Boundary layers 145
+ v# I* E7 o  v% J5 h6.5 Isentropic flow 146
6.6 Compressible one-dimensional flow 147
6.7 Normal shock waves 148
6.8 Axisymmetric flows 151
! M) t1 L1 q  K7 j& C7 w$ w6.9 Drag coefficients 151
, r& f& y# I; @! N& j, V6 uChapter 7 Centrifugal Pumps 153
7.1 Symbols 153
7.2 Centrifugal pump types 153
7.3 Pump performance 158
" z' A! {9 [2 c) S& a4 o2 Q. o7.4 Pump characteristics 162
% y4 o7 z' p& C& r  u' a! \7.5 Specifications and standards 163
7.6 Test procedures and techniques 164
7.7 Pump specific speed n
. p$ \5 e6 e+ R; h# es 169
/ q& t* y  w" C7.8 Pump balancing 172
7.9 Balance calculations 173
9 _0 _  M( Q) v; N6 h/ ]7.10 Pump components – clearances and fits 176
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