Page 679 - Subyek Teknik Mesin - Forsthoffers Best Practice Handbook for Rotating Machinery by William E Forsthoffer

Index
Vertical multistage pumps. See also Pump(s)

characteristics, 30f

in condensate hot well service, 33f

Vessel, stainless steel, 349

VHP (very high pressure) steam systems, 297

Vibration, 242f

filter and radio tuner analogy, 244f

frequency of, 244

frequency, 179, 181f

instabilities, 178e181, 179e181f

excitation forces and, 178e179, 179f

limits, 179, 240

seismic, 179

severity chart, 180f, 243f

shaft movement analysis, 241f

signal, filtering, 179, 181f

Viscosity

absolute, 368

correction factors, 373e374, 373f

kinematic, 369

oil, effects on centrifugal pumps, 354f, 370f

of pumping system, 27, 34

reduction, of bearing bracket oil, 309

Volutes, 39

dual volute casing form, 39, 40f

652