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Gas Turbine Handbook : Principles and Practices

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434 <strong>Gas</strong> <strong>Turbine</strong> <strong>H<strong>and</strong>book</strong>: <strong>Principles</strong> <strong>and</strong> <strong>Practices</strong><br />

oil viscosity 94<br />

oil whirl 107<br />

open area ratio, of perforated<br />

sheets 158<br />

open impeller 61<br />

operating line 81<br />

operating parameters<br />

effects of 142<br />

operating point 81<br />

organic NO 133, 137<br />

OSHA (Occupational Health <strong>and</strong><br />

Safety Act) 155<br />

overriding clutch 88<br />

overspeed 71, 81, 203<br />

oxidation 32, 103, 183, 187, 191,<br />

192, 208, 214, 216<br />

P<br />

pad <strong>and</strong> fogger 127<br />

parallel baffle 157<br />

Pelton Wheel 89<br />

plugged fuel nozzle 201, 208<br />

plugged nozzles 199<br />

pneumatic controls 203<br />

pneumatic motors 86, 88<br />

pollution 132<br />

positive replacement pumps 97<br />

potable (drinking) water 115<br />

potential energy 47<br />

pour point 101<br />

power-extraction-turbine 71, 72<br />

power augmentation 85, 136, 139<br />

power extraction turbine 79, 84<br />

power input 186, 187<br />

power output 121, 122<br />

power turbine 19, 20<br />

efficiency 51<br />

horsepower 51<br />

precipitation strengthening 34<br />

prefilters 117, 121<br />

pressure 73<br />

compounded impulse turbine<br />

67<br />

corrected 185<br />

correction factor 185<br />

limit controller 79, 81<br />

ratio 27, 53, 63<br />

process control 75<br />

programmable logic controllers 75<br />

protection controller 78, 81<br />

proximity probes 107<br />

psychometric chart 125<br />

pump 17, 19, 20, 95, 97<br />

backup (redundant) 96<br />

cavitation 96<br />

direct-drive 96<br />

indirect-drive 97<br />

shaft driven 96<br />

positive replacement 97<br />

rotary 97<br />

pre- <strong>and</strong> post-lube 97<br />

purge 85, 86<br />

time 90<br />

R<br />

radial turbine 170<br />

radiation <strong>and</strong> convection 187<br />

heat loss 186<br />

radio interference filter 91<br />

rapid acceleration 66<br />

Rateau <strong>Turbine</strong> 67<br />

ratio of specific heats 49<br />

rayls/meter 162<br />

reaction 66, 67<br />

turbine 68<br />

rectifier 91, 177<br />

recuperator 170, 175<br />

regenerators 27

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