None
C., 366 Simple turbine, 215, 220 Specification of state of any fluid, 77, 267 Specific heat of water, 67 variation of, with temp- erature, 243 — heats constantinaperfectgas, 19 — — expressions for, 272 — in Callendar's equation of state, 324 measurement of values of, 241 — — of a gas, 17, 239, 357 — — of a gas, influence of molecular vibration, 363 — — of gases on the molecular theory, 357 — — of hydrogen at very low temperatures, 365 — — ratio of, 23, 275, 293, 357 Stage efficiency in turbines, 218 State, specification of, 77 States of aggregation, 59 INDEX 383 Steam, Calendar's formulas for, 327, 336, 338 — collected formulas for, 338 — critical pressure of, 320 — critical temperature of, 80 — entropy of, 376 — formation of, under constant pressure, 60, 67 — jets, supersaturation in, 203 — properties of, 62, 367 — saturated, 61, 62, 64 — properties of, 368 — specific heat of, 378 — superheated, 61 — tables, 340, 367 — total heat of, 374 — turbine, performance of, 222 — turbines, compound, 216 — simple, 215 types of, 220 — volume of, 372 Steam-engine working without com- pression, 94 Stirling, R., 52 Stodola, 203 Suction temperature in a gas-engine, 257 Sudden expansion, effect of, 84 Sulphurous acid, 138 Supercooling, 85, 206 Superheated vapour, 59 — adiabatic expan- sion of, 83 — total heat of, 73 water, 349 Supersaturation, 84 of steam discharged from a nozzle, 201 Surface tension, 342 Swann, 242 Tables of properties of steam, 367 Temperature, scales of, 10 of inversion of cooling effect, 277 thermodynamic scale of, 12,39 Temperatures in a gas-engine cylinder, 255 Tension of liquid film, 343 Thermal unit used in Callendar's tables, 331 — units, 9 Thermodynamical correction of the gas thermometer, 298 Thermodynamic potentials, 103 relations, 266 — collected,287 — scale of temperature, 12, 39 surface, 268 Thermodynamics, science of, 1 Thomson, James, 117, 304, 316 Thomson, James, his ideal isothermal, 305, 317 Thomson, Sir J. J., 345 Thomson, W., Lord Kelvin, 16, 39, 50, 117, 345 Throttling calorimeter, 128 cooling effect of, 127, 276, 296 — process, 74 Total heat, constancy of. This book is DUE on the last date stamped below. 2lJan'49[R 3Jan'50HJG REC'D LD AN5 '65-9P ) 21-100m-9,'48(B399sl6)476 VC 12758 J347G3 THE UNIVERSITY OF CALIFORNIA LIBRARY. 