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Gas Turbine Handbook : Principles and Practices

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Index 433<br />

L<br />

lacing wire 70<br />

liner 40<br />

load control 78<br />

lobe 97<br />

looseness 107<br />

louvers 100<br />

low frequency noise 146, 154, 166<br />

low pressure compressor 189<br />

low tension systems 91<br />

lube oil coolers 99<br />

lubrication 183<br />

oil 94, 96<br />

system 85<br />

M<br />

magnetic flux 92<br />

marine propulsion 16<br />

mass flow rate 45<br />

material loss 192<br />

mechanical <strong>and</strong> electric controls<br />

203<br />

mechanical bearing losses 186<br />

mechanical drive 11, 16<br />

gas turbine 15<br />

mechanical loss of bearing 187<br />

megawatts 122<br />

methane 282, 283<br />

microprocessors 75<br />

microturbines 169, 170<br />

applications 170, 171<br />

cost 170, 171<br />

mineral oil 94<br />

mini-turbine 169<br />

misalignment 107<br />

Mk. V Speedtronic® control 246<br />

turbine control systems 244, 246<br />

motors<br />

diesel 89<br />

direct current (DC) 88<br />

hydraulic 89<br />

impulse-turbine 88<br />

multi-function control 75<br />

pneumatic<br />

vane pump 88<br />

N<br />

National Electrical Manufacturers<br />

Association (NEMA) 122<br />

natural frequency (or resonant)<br />

105, 106, 193<br />

net positive suction head 97<br />

neutralization number 103<br />

nitrogen 133<br />

oxides 133<br />

emissions 134<br />

noise<br />

casing 156<br />

inlet 148<br />

noises<br />

exhaust 147, 156, 166<br />

reduction 156, 157, 158, 160, 163,<br />

165<br />

NO x<br />

137, 139, 141, 143<br />

control 85<br />

emissions 133, 264<br />

formation of 133<br />

nozzles 34<br />

nozzle area, changes in 187<br />

nozzle guide vanes 30<br />

nozzle orifice size 127<br />

O<br />

oil contamination 100<br />

oil frothing 201<br />

oil pressure 111<br />

oil pump 96<br />

oil throw-off temperature 112

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