Centrifugal Pumps Design and Application 2nd ed - Val S. Lobanoff, Robert R. Ross (Butterworth-Heinemann, 1992)

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Index 573 inlet angle, 37 classifications, 373-379 layout, 37-39 CO 2 , 167 open, 175-176, 292-293 double-case pumps, 213 semi-open, 133 face pressure, 361-362 trim correction, 16-19 floating ring, 216 underfiling, 143-144, 146-147 gland, 383-386 vane number, 29-30, 42, 236 installation, 401-418 vane thickness, 40, 236 leakage, 370-371 width b 2 , 31, 43 materials, 379-382 Inducers, 187-191 mating ring types, 381, 383 power consumption, 363-364 PV (pressure-velocity) 363, L 371-372 refinery service, 389-390 Losses in a pump, 183, 252-254 temperature control, 364-370 Lubrication. See also Bearings theory, 355-359 and lubrication. throttle bushings, 213-215 high speed pumps, 203 troubleshooting, 401-418, 420 upstream pumping, 386-387 wear, 371-372 M Misalignment. See also Alignment. Material Model law, 19-20 chemical pumps, 323-329 Multi-stage pumps mechanical seals, 379-382 anti-rotation splitters, 72 non-metallic pumps, 309-329 casing design, 65-76 slurry pumps, 228, 230-234 core assembly, 73-74 Mechanical seal reliability, crossover design, 67-72 556-567. See also crossover efficiency, 69-70 Mechanical seals. patterns, 72-73 annulus, 563-564 failure analysis, 557-559 failure causes, 559-566 ^ low flow operation, 565-566 misalignment, 562-563 shaft axial movement, 564 Noise. See also Vibration and shaft deflection, 563 noise. Mechanical seals, 354-421. See high speed pumps, 196 also Mechanical seal reliability. Non-metallic pumps, 309-329 NPDHA (net positive discharge applications, 390-401 head available), 249 balance, 360-361 NPDHR (net positive discharge chemical service, 387-388 head required), 249
574 Centrifugal Pumps: Design and Application NPSH (net positive suction head), 85-109 hydraulic turbines, 251-252, 254-255 NPSHA (net positive suction head prediction, 25-27 available), 4, 85-86, range charge, 47-50 104-106, 116-117, 120-121, slurry corrections, 244-245 129, 131, 186-187 Pipeline Pumps, 139-164 NPSHR (net positive suction head analysis of pump losses, required) 140-141 40,000 hours life, 92 bi-rotors, 148 cavitation, 87-88, 189-191, destaging, 144, 151-152 430-432 double case, 210 cavitation free, 92-103 efficiency, 140-143 cavitation free compared with hydraulic gradient, 139 Hydraulic Institute, hydrodynamic size, 141-142 107-108 impeller underfiling, 143-144, chemical pumps, 317 146-147 estimating, 33-34 number of pumps, 140 gas-to-liquid ratio, 100-103 number of stations, 140 high speed pumps, 90, 92-93 pipeline horsepower, 139 incidence angle, 94, 101 pump selection, 158-164 inducers, 187-190 series vs. parallel, 163-164 leakage—influence of, 94-95 slurry, 156 liquid—influence of, 99-100 specific speed, 141 suction nozzle—influence of, volute chipping, 143-145, 147 96-99 volute inserts, 147-150 suction specific Pulsations, 150, 433-436, speed—influence of, 90 481-483 predicting, 87-88 stable operating window, 90-92 suction piping, 103 « suppression test, 88-90 Thoma cavitation rparameter, D ,. , , , _. ., lgg Radial load, 52-56, in~ 192-193., in_ P vertical pumps, 120, 129 „ 258-259, 296 viscosity 103 Rotor dynamic analysis. See Vibration and Noise. Rotor dynamics, 219-220 S Performance curve shape, 4-6, 175, Sag bore, 224 194-196 Sealless pumps, 305-306
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CENTRIFIUGAL PUMPS Design & applica
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CENTRIFUGAL PUMPS Design & Applicat
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Contents Preface —..... —......
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ern Pumps, Mine Dewatering Pumps. W
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Stage Pumps. Single-Suction Single-
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Preface When Val and I decided to c
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CENTRIFUGAL PUMPS Design & applicat
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Part 1 Elements of Pump Design
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1 Introduction System Analysis for
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Introduction 5 Figure 1-2. The syst
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Introduction 7 mate responsibility
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Introduction 9 Figure 1-6. Maximum
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2 Specific Speed and Modeling Laws
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Specific Speed and Modeling Laws 13
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Figyre 2-7, New pump from model pum
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Impeller Design 29 Figure 3-1. Requ
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Impeller Design 31 Figure 3-4. Capa
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Impeller Design 33 Step 8: Estimate
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Impeller Design 35 Figure 3-7. Volu
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impeller Design 37 (2) 5 , as final
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Impeller Design 39 The vane develop
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Impeller Design 41 Figure 3-12. Are
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impeller Design 43 Figure 3-16. Inf
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4 General Pump Design It is not a d
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General Pump Design 4? Figure 4-1.
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General Pump Design 49 designed and
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Volute Design 51 Figure 5-1. Volute
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Volute Design 53 Figure 5-2. Radial
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Volute Design 55
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Volute Design 57 Figure 5-4. Effici
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Volute Design 59 Figure 5-5. Typica
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Volute Design 61 Figure 5-8. Univer
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Volute Design S3 Manufacturing Cons
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6 Design of Multi-Stage Casing Mult
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Design of Multi-Stage Casing 67 How
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Design of Multi-Stage Casing 69 Fig
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Design of Multi-Stage Casing 73 sec
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7 Double-Suction Pumps and Side-Suc
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Double-Suction Pumps 79 two. Experi
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Double-Suction Pumps 81 Figure 7-3.
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Double-Suction Pumps 83 LOCATION AR
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8 NPSH The expressions NPSHR and NP
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NPSH 87 Predicting NPSHR The other
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NPSH 89 Figure 8-4. Pressure loss b
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NPSH 91 SUCTION VELOCITY TRIANGLES
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NPSH 93 Figure 8-8. Performance cur
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NPSH 95 Figure 8-10. Leakage across
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NPSH 97 Figure 8-13. Plate inserts
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NPSH 99 Figure 8-17. Influence of p
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NPSH 101 Figure 8-19. Estimating K
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NPSH 103 Step 3: Determine KI* From
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Figure 8«22. Calculating NPSHA for
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NPSH 107 Figure 8-24. NPSHR cavitat
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NPSH 109 Notation KI Friction and a
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Part 2 Application
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9 by Erik B. Fiske BW/JP Internatio
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Vertical Pumps 115 Figure 9-2. Well
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Vertical Pumps 117 Figure 9-4. Subm
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Vertical Pumps 119 Figure 9-6. Inst
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Vertical Pumps 121 Figure 9-8. Barr
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Vertical Pumps 123 • Loading pump
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Vertical Pumps 125 Wet Pit Pumps Th
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Vertical Pumps 127 • Fresh water
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Vertical Pumps 129 Condensate and H
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Vertical Pumps 131 mally insulate w
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Vertical Pumps 133 Figure 9-15. Imp
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Vertical Pumps 135 checked for corr
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Vertical Pumps 137 crating paramete
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10 Pipeline Pipe line, Waterflood,
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Pipeline, Waterflood and CO 2 Pumps
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Pipeline, Waterfiood and CO 2 Pumps
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Figure 10-11. Performance change wi
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Figure 10-13. Seven-stage pump dest
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Pipeline, Waterflood and COa Pumps
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11 By Edward Gravelle Sundstrand Fl
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High Speed Pumps 175 History and De
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High Speed Pumps 177 Figure 11-2. (
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High Speed Pumps 179 some portion o
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High Speed Pumps 181 This is to say
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High Speed Pumps 183 This expressio
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High Speed Pumps 185 Figure 11-3. P
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High Speed Pumps 187 As an aside, p
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High Speed Pumps 189 Figure 11-5. I
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High Speed Pumps 191 Figure 11-7. I
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High Speed Pumps 193 Figure 11-9. R
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High Speed Pumps 195 Figure 11-10.
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High Speed Pumps 19? Figure 11-11.
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High Speed Pumps 199
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High Speed Pumps 201 Figure 11-13.
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High Speed Pumps 203 nal bearings a
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High Speed Pumps 205 Barske, U, M.,
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Double-Case Pumps 207 jected to ext
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Double-Case Pumps 209 Figure 12-3.
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Double-Case Pumps 213 ally by split
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Double-Case Pumps 215 The throttle
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Figure 12-11. pump for 4,000 psi In
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Double-Case Pumps 219 so that the t
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Doubte-Case Pumps 223 Volute Casing
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Double-Case Pumps 225 5. Survey of
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Slurry Pumps 227 An approximate com
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Slurry Pumps 229 Figure 13-2. Nomog
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Slurry Pumps 231 Table 13-2 Alloys
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Slurry Pumps 233 Figure 13-3. Class
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Figure 13-4, (A) (B) (C)
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Slurry Pumps 237 There is little to
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Figyre 13-7, (courtesy Pumps, Inc.)
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Flgyr« 13-8, with (courtesy Goulds
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Slurry Pumps 243 ing the pump speed
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Slurry Pumps 245 Where there exists
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Hydraulic Power Recovery Turbines 2
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Figure 14-14. Internally adjustable
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14-22, Flow of hydraulic recovery a
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15 by Frederic W. Buse Ingersolf-Ra
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Chemical Pumps Metallic and Nonmeta
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Driver Chemical Pumps Metallic and
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Part3 Mechanical Design
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16 Shaft Design and Axial Thrust Sh
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Shaft Design and Axial Thrust 335 S
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Shaft Design and Axial Thrust 337 W
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Shaft Design and Axial Thrust 339 T
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Shaft Design and Axial Thrust 341 b
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Shaft Design and Axial Thrust 343 K
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Double-Suction Single-Stage Pumps S
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Shaft Design and Axial Thrust 347 F
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D (with subscript) P D P s T T (wit
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Mechanical Seals 355 Figure 17-1. M
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Mechanical Seats 357 Figure 17-2B.
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Mechanical Seals 359 Figure 17-2D.
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Mechanical Seals 361 Figure 17-4. H
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Mechanical Seals 363 Pressure-Veloc
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Mechanical Seals 365 The temperatur
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Mechanical Seals 367 Figure 17-7. B
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Mechanical Seals 369 Figure 17-9. P
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Mechanical Seals 371 where C 3 = 53
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Mechanical Seals 373 Classification
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Mechanical Seals 375 Double seals m
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Mechanical Seals 377 less than 100,
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Mechanical Seals 379 Figure 17-19.
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Mechanical Seals 381 Table 17-4 Tem
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Mechanical Seats 385 steam, is to p
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Mechanical Seats 38? rather than a
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Mechanical Seals 389 Mechanical Sea
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Mechanical Seals 391 seal to work i
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Mechanical Seals 395 The measured l
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Mechanical Seals 39? Figure 17-34.
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Mechanical Seals 401 This design is
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Mechanical Seals 403 alignment, par
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Mechanical Seats 419 Figure 17-58.
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Vibration and Noise in Pumps 421 Re
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Vibration and Noise in Pumps 423 me
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Vibration and Noise in Pumps 425 in
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Vibration and Noise in Pumps 427 pr
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Vibration and Noise in Pumps 429 ot
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Vibration and Noise in Pumps 431 Fi
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Vibration and Noise in Pumps 433 fi
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Vibration and Noise in Pumps 435 pr
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Vibration and Noise in Pumps 437 up
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Vibration and Noise in Pumps 441 na
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Vibration and Noise in Pumps 443 A
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Vibration and Noise in Pumps 453 Re
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Vibration and Noise in Pumps 457 Ac
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Vibration and Noise in Pumps 461 As
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Vibration and Noise in Pumps 463 ci
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Vibration and Noise in Pumps 467 sp
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Vibration and Noise in Pumps 469 Be
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Vibration and Noise in Pumps 475 Vi
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Vibration and Noise in Pumps 489 pe
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Vibration and Noise in Pumps 491 th
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Vibration and Noise in Pumps 4S3 fo
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Part 4 Extending Pump Life
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19 by Malcolm G. Murray, Jr. Murray
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Alignment 499 Figure 19-2. Pump dam
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Alignment 501 The best designs fail
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Table 19-1 Vertical Alignment Movem
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Table 19-2 Continued Horizontal Ali
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Alignment 507 bearing motors becaus
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Alignment 509 meet results. It shou
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Alignment 511 Determination of Tole
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Table 19-3 Continued Primary Alignm
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Alignment 515 Figure 19-3 A & B. Tw
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Table 19*4 Continued Methods of Cal
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Alignment 510 parallelism/perpendic
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Alignment 521 Table 19-5 continued
Page 538 and 539: Alignment 523 3. Essinger, J. N., B
Page 540 and 541: Rolling Element Bearings and Lubric
Page 544 and 545: Roiling Element Bearings and Lubric
Page 560 and 561: Roiling Element Bearings and Lubric
Page 572 and 573: Failure Analysis Mechanical Seal Re
Page 574 and 575: Table 21-2 Causes of Seal Failures
Page 576 and 577: Mechanical Seal Reliability 561 ^mi
Page 578 and 579: Mechanical Seal Reliability 563 Sea
Page 580 and 581: Mechanical Seal Reliability 565 run
Page 582 and 583: Reliability Mechanical Seal Reliabi
Page 584 and 585: Index A thermal growth, 519-522 ver
Page 586 and 587: Critical speed analysis. See also V
Page 590 and 591: Index 575 Shaft design, 333-343 ind
Page 592: double, 52-54 velocity ratio, 50-51
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Centrifugal Pumps Design and Application 2nd ed - Val S. Lobanoff, Robert R. Ross (Butterworth-Heinemann, 1992)

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