ROTATING EQUIPMENT ENGINEERING HANDBOOK: Selecting, Operating and Maintaining Pumps, Compressors and Turbines: Performance Curves, Seals, Bearings, Surge and Alignment
Formato:
Pasta blanda
En stock
0.79 kg
Sí
Nuevo
Amazon
USA
- Every plant has the machine that keeps coming back. The bearings are changed, the seal is replaced, the alignment is checked, and eleven months later it is on the workshop floor with the same damage. The parts are rarely at fault. A pump running twenty per cent off its best efficiency point loses most of its bearing life to a radial thrust a correctly sized machine would never generate. A seal that fails every year is often reporting a suction problem nobody has measured. A train that vibrates from the day it was commissioned was aligned perfectly cold and never corrected for the growth that follows. The component did what it was designed to do; the decision that killed it was taken somewhere else. This handbook makes those decisions visible before they become failures. In sixteen chapters it covers pumps, compressors, steam and gas turbines and electric drives, together with the bearings, seals, lubrication, alignment and vibration monitoring every one of them depends on — and it carries a single plant train from the first chapter to the last, so selection, driver, components and diagnosis stay connected. What you will be able to do: Build a system curve, find the duty point an installation will actually deliver, and quantify what throttling costs against trimming and speed control.Calculate suction margin properly, and separate cavitation from recirculation, thermal and thrust limits on minimum flow.Read a compressor map in referred coordinates, correct it for gas composition, place a surge control line and size a recycle valve.Compare drivers on site output rather than reference rating, and evaluate a variable-speed drive on an hours-weighted duty profile instead of a single point.Compute bearing rating life over a duty profile, seal face load from a balance ratio, and oil viscosity at the film temperature rather than the reference temperature.Set a cold alignment offset that brings a train into line hot, and name a fault from its spectrum. Forty-eight worked examples run every calculation end to end with each step, unit and assumption shown. One hundred and sixty practice problems carry explained answers. Seventy-eight purpose-drawn figures put the curves, maps, sections and spectra where the argument needs them. A glossary, notation and conversion tables, selection tables, every formula collected by chapter and a full index make it work as a reference afterwards. Results are given in both unit systems throughout. Written for practising machinery, reliability, maintenance and process engineers, for the senior technicians who keep this equipment running, and for upper-level students moving into plant work. It assumes competence and does not pad. Add it to the shelf beside the machines it describes, and start reading the evidence they are already giving you.
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