Page 549 - Advanced thermodynamics for engineers
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Index    543




               Ignition, 333–334                           graphical representation, 74–75
                 angle, 367t                               using turbine, 70
                 delay period, 356–357                   Irreversible
                 minimum energy, 333–334                   engine, 103
                 timing, 365, 372, 372f                    heat transfer, 89–90, 89f
               Incomplete combustion, 221                  processes, 19
               Incremental piston. See Displacement work   thermodynamics, 467–468
               Indicated thermal efficiency, 359          Irreversible thermodynamics, 467–468. See also
               Indicated mean effective pressure (imep), 347  Thermodynamics
               Indicator diagram, 347, 359–360             diffusion and heat transfer, 484
               Indirect injection diesel engine, 355f       forces and fluxes, 484–487
               Indirect injection process (idi process), 355  heat of transport, 490–491
               Indirectly fired gas turbine cycles (IFGT cycles), 133  thermal transpiration, 491–493
               Injection                                    uncoupled equations, 484–487
                 direct, 319, 354, 355f, 356               entropy flow, 468–469, 472–473
                 fuel, 320, 352, 355, 364–365              entropy production, 468–469, 472–473
                 indirect, 355, 355f                       Onsager’s reciprocal relation, 470–471
                 nozzle, 354                               thermodynamic forces, 469–470
               Intake nozzles, 403–409                     thermodynamic velocities, 469–470
               Integral scale (turbulence), 335t           thermoelectricity, 473–474
               Intensive properties, 2                      coupled equations, 475–477
               Intercooled regenerated gas turbines (ICR gas turbines), 381,  thermocouple, 477–480
                    395                                     uncoupled effects, 474
               Intercooling, 396–401                     Isenthalpic
                 optimum pressure ratio for, 401           line, 430–431, 439f
               Interface                                   process, 423
                 intermediate combustion zone, 418       Isentropic
               Internal combustion engine, 43–44, 79. See also  compressibility, 156
                    Reciprocating internal combustion engines  compression, 44, 46, 73
                 cycle, 49–51                              efficiency, 405
               Internal energy, 7–9, 184, 214              efficiency–compressor, 114
                 of formation, 7                           efficiency–turbine, 70–71
                 molar, 180–181                            expansion, 71
                 products, 215f, 418                       temperature ratio, 391
                 reactants, 215f                         Iso-octane, 333f
                 of reaction, 215–216                    Isobar, 113, 172–173, 389
                 specific, 142, 224                       Isobaric process, 9, 64–65, 163
                 of substance, 150                       Isolated system, 7, 468
               Internal energy-temperature diagram, 295f  Isothermal
               Internally reversible, 23–24, 35, 100, 105, 119–120, 120f,  compressibility, 155–156, 164–165
                    128f                                   process, 163
               International Temperature Scale (ITS-90), 4  Isothermal bulk modulus. See Isothermal compressibility
               Interval heat balances, 452–456           Isotherms, 154f, 166, 166f, 171–173
               Intrinsic internal energy, 8, 24            critical, 166–169
                 specific, 8
               Inversion point, 430, 436–437             J
               Inversion pressure, 443                   Jet engine, 383–384
               Inversion temperature, 430, 433           Jet gas turbine, 383f
                 maximum and minimum, 433–435            Jets, 342–343, 354, 356, 419
               Ion-exchange resin, 500                   Joule
               Irreversibility, 18–19, 70–74               cycle (Brayton), 51, 382
                 using air compressor, 72
                                                           experiment, 146, 151
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