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| موضوع: كتاب A Textbook of Thermal Engineering الأربعاء 02 نوفمبر 2022, 2:13 am | |
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أخواني في الله أحضرت لكم كتاب A Textbook of Thermal Engineering [A Textbook for the Students ofB.Sc. Engg., UPSC (Engg. Services), Section 'B' ofAMIE (I) and Diploma Courses] (S.I. UNITS) R.S. KHURMI, J.K. GUPTA
و المحتوى كما يلي :
CONTENTS 1. Introduction 1 2. Properties of Perfect Gases 30 3. Thermodynamic Processes of Perfect Gases 50 4. Entropy of Perfect Gases 103 5. Kinetic Theory of Gases 140 6. Thermodynamic Air Cycles 153 7. Formation and Properties of Steam 199 8. Entropy of Steam 219 9. Thermodynamic Processes of Vapour 230 10. Thermodynamic Vapour Cycles 264 11. Fuels 289 12. Combustion of Fuels 301 13. Steam Boilers 323 14. Boiler Mountings and Accessories 334 15. Performance of Steam Boilers 345 16. Boiler Draught 360 17. Simple Steam Engines 374 18. Compound Steam Engines 394 19. Performance of Steam Engines 422 20. Steam Condensers 446 21. Steam Nozzles 469 22. Impulse Turbines 501 23. Reaction Turbines 521 24. Performance of Steam Turbines 535 25. Modern Steam Turbines 560 26. Internal Combustion Engines 582 27. Testing of Internal Combustion Engines 611 28. Reciprocating Air Compressors 637 29. Rotary Air Compressors .. 665 30. Performance of Air Compressors 682 31. Air Motors 700 32. Gas Turbines 707 33. Performance of Gas Turbines 721 34. Introduction to Heat Transfer 736 35. Air Refrigeration Cycles 751 36. Vapour Compression Refrigeration Systems 771 37. Psychrometry 798 38. Air Conditioning Systems 824 39. General Thermodynamic Relations 835 40. Variable Specific Heat 859 Index 887 Index Absolute humidity, 799, 800, 801 - pressure, 12 - temperature, 11 - units of force, 7 Actual gas turbine, 725 - indicator diagram, 381, 588, 590, 593, 595 - vapour compression cycle, 789 Adiabatic compressibility, 842 - process, 63 - mixing of two air streams, 819 - saturation temperature, 806 Advantages of compoundingof steam engines, 395 - condensers in a steam power plant, 446 - mechanical draught, 361 - multistage compression, 647 - reheating of steam, 561 - steam turbinesover reciprocating steam engines, 501 - superheating of steam, 206 - two stroke cycle over four stroke cycle engines, 586 - vapour absorption refrigeration system over vapour compression refrigeration system, 792 - vapour compression refrigeration sys tern over air refrigeration system, 771 Air conditioning system, 825 - consumption, 626 - cooling system, 602 - injection method, 600 - preheater, 340 - pump, 464 - refrigeration cycle, 751 - refrigerator working on Bell Coleman cycle, 761 - on reversed Carnot cycle, 755 - standard efficiency, 617 Ammonia hydrogen refrigerator, 793 Anthracite coal, 290 Application of first law of thermodynamics to a nonflow process, 51 - to a steady flow process, 86 - of kinetic energy to laws of perfect gases, 146 - of steady flow energy equation to engineering system, 92 Approximate method for heat absorbed, 135 Artificial draught, 360 Arrangement of cylinders in compound steam engines, 394 Assumptions for overall (thermal) efficiency of an ideal gas turbine cycle, 721 - in thermodynamic cycle, 153 - in kinetic theory of gases, 140 - in two stage compressor with inter cooler, 648 Atomic mass, 301 Atomiser, 608 Atmospheric air, 861 Atoms and molecules, 301 Axial flow compressors, 677 Available heat energy, 105 Average piston speed, 377 Avogadro's law, 35 B Babcock and Wilcox boiler, 329 Back flow in positive displacement air compressors, 668 Back pressure turbine, 577 Balanced draught, 362 Barometric jet condensers, 449 Barrel calorimeter, 211 Benson boiler, 331 Binary vapour cycle, 577 - plant, 567 Bituminous coal, 290 Blading efficiency, 535 Blast furnace gas, 292 Bleeding, 570 Blow off cock, 338 Boiler accessories, 323,340 - efficiency, 346 - mountings, 323, 334 - shell, 323 - trial, 351 Bomb calorimeter, 295 Boyle's law.30 Boy's gas calorimeter, 296 Brake power, 389,615 - thermal efficiency, 423,616 Brayton cycle, 761 Briquetted coal, 290 Brown coal, 290 By-pass factor, 813,815 887888 A Text book of Thermal Engineering Caking bituminouscoal, 290 Calorific value of fuels, 293 Carburettor, 606 Carnot cycle, 157, 264 Celsius or centigrade scale, 10 - flow surface condenser, 451 . Centrifugal compressor, 670 Cetane number, 598 C.G.S. units, 2 Change of entropy of a perfect gas, 110 - during reversible adiabatic process, 124 - constant pressure process, 115 - constant temperature process, 120 - constant volume process, 110 - in thermodynamic properties with variable specific heat, 864 - isentropic process, 124 - polytropic process, 126 Characteristic equation of a gas, 33 Charles'law, 31 Chimney draught, 360 Classification of air compressors, 637 - air conditioning systems, 825 - compound steam engines, 395 - of draughts, 360 - fuels, 289 - gas turbines, 708 - I.C. engines, 583 - properties of a system, 8 - steam boilers, 324 - steam condensers, 447 - steam engines, 374 - steam turbines, 502 - thermodynamic cycles, 158 - thermodynamic process, 51 - thermodynamic systems, 7 Clausius statement, 22 - inequality, 106 Clearance volume, 156, 377 Closed air refrigeration cycle, 755 - cycle gas turbines, 708 - system of thermodynamics, 7 Coal gas, 291 Cochran boiler, 326 Coefficient of performance, 752 - volume expansion, 841 Coil ignition system, 599 Coke, 290 - oven gas, 292 Combined air compressor and air motor, 701 - indicator diagram for a compound steam engine, 397 - separating and throttling calorimeter, 214 - velocitytrianglefor movingblades of an impulse turbine, 505 - of a reaction turbine, 524 Combustion chamber, 323 - equations of gaseous fuels, 303 -of solid fuels, 302 Comfort air conditioningsystem, 825 Comparison between air cooling and water cooling-system, 603 - centrifugal and axial flow air compres sors, 677 - closed and open cycle gas turbines, 718 - forced draught and induceddraught, 361 - gas turbines and I.C. engines, 708 - impulse turbines and reaction turbines, 522 -jet and surface condensers, 452 - petrol and diesel engines, 592 - reciprocating and centrifugal air com pressor, 665 - steam engines and I.C. engines, 582 - turbine and centrifugal compressor blades, 697 - water tube and fire tube boilers, 332 Components of I.C. engine, 584 Compounds, 301 Compound steam engine, 394 Compounding of impulse steam turbines, 552 Compressed air system, 701 Compressibility factor, 856 Compression ratio, 156,538 Compressor capacity, 638 - efficiency, 682 Condenser efficiency, 458 Condition for maximum discharge through the nozzle, 476 - efficiency of an impulse turbine, 545 - efficiency of a reaction turbine, 548 - maximum discharge through the chim ney, 366 connecting rod, 376, 585 Constant enthalpy process, 84, 92 - entropy process, 63, 247 - internal energy process, 84 - pressure gas turbines, 719 - pressure lines, 225 - pressure process, 57, 238 - temperature process, 61, 242 - total heat process, 91, 257 - volumegas turbines, 719 - volume lines, 225 - volume process, 54, 231Index 889 Convergent nozzle, 469 - divergent nozzle, 469 Conversion of volumetric analysis into mass analysis, 307 - mass analysis into volumetricanalysis, 307 Cooling and duhumidification, 817 - of I.C. engines, 601 - systems of I.C. engines, 602 - towers, 465 Cornish boiler, 328 Counterflow jet condensers, 448 Crank case, 585 -shaft, 376, 585 Critical pressure ratio, 476 - Physical significance of, 479 - Values of, 479 Cross head, 376 Cyclic process, 9 Cylinder bore, 156, 377 - dimensionsfor compound steam engine, 398 - head of I.C. engines, 584 - of steam engines, 375 Cushion steam, 429 Cut off governing of compound steam engines, 440 - of simple steam engines, 439 - volume, 377 D Dalton's law of partial pressure, 452, 800 Dead centres, 377 - weight safety valve, 336 Degree of reaction, 525, 678 - saturation, 799, 800 Degrees of freedom, 148 Dehumidification, 816, 817 De-Laval impulse turbine, 502 Demerits of gaseous fuels, 292 - liquid fuels, 291 Dense air regrigeration cycle, 755 Derived units, 2 Detonation in I.C. engines, 597 Dew point temperature, 799 - depression, 799 - lines, 810 Deagram efficiency, 535 - factor, 382 Diameters of throat and exit of a nozzle for maximum discharge, 481 Diesel cycle, 178 Difference between a heat engine, refrigerator and heat pump, 753 Disadvantages of mechanical draught, 361 - two stroke over four stroke cycle en gine, 586 -vapour compression refrigeration system over air refrigeration system, 771 Discharge pressure, 638 Divergent nozzle, 469 Down flow surface condenser, 450 D'slide valve, 375 Dry air, 798 - bulb temperature, 799 - bulb temperature lines, 809 - saturated steam, 200 Dryness fraction lines, 224 - of steam, 201 Dual combustion cycle, 188 E Eccentric, 376 - rod, 376 Economiser, 340 Edward's air pump, 464 Effect of variable specific heat in I.C. engines, 872 - on Otto cycle, 872 - on Diesel cycle, 879 Effects of air leakage, 464 - friction on the velocity diagram of an impulse turbine, 507 - piston rod in a double acting steam en gine, 387 - supersaturation, 491 Efficiencies of a compressor, 682, 693 - multistage turbine, 564 - steam engine, 422 - steam turbine, 564 Efficiency of compressed air system, 702 - chimney, 370 - cycle, 157 - heat exchanger, 730 - modified Rankinecycle, 277 - ratio, 267, 565 Ejector condensers, 449 Electrolux refrigerator, 793 Elements, 301 - Symbols for, 302 Equations of state, 854 Energy, 13 - Law of conservation of, 15 Enthalpy of gas, 39 - entropy (h-s) diagram for water and" steam, 223 - lines, 810890 A Text book of Thermal Engineering - moist air, 803 - steam, 202 Entropy, 103 - importance of, 104 - increase during evaporation, 220 - of superheated steam, 220 - of water, 219 - of wet and dry steam, 220 - Principle of increase of, 107 - Units of, 106 Equipment used in air conditioning system, 825 Equaility of temperature, 11 Equivalence of Kelvin-Plank and Clausius statements, 23 Equivalent evaporation, 345 Ericsson cycle, 166 Essentials of a good steam boiler, 324 Evaporative condenser, 451 Excess air, 310 - Mass of, 310 Exhaust ports, 375 - turbine, 578 Experimental determination of higher calorific value, 294 Extensive properties of thermodynamics, 9 External work done during evaporation, 207 Extraction turbine, 57.8 F Factors affecting comfort air conditioning,824 Fahrenheit scale, 11 Fan draught, 360 Feed check valve, 339 - pump, 340 First law of thermodynamics, 19 - limitations of, 20 Flow of steam through nozzles, 470 - process, 86 Flue gas analysis by Orsat apparatus, 319 Flywheel, 376,585 Force, 6 Forced draught, 361 - lubrication, 604 Formation of steam, 199 Fourier's law of heat conduction, 737 Four stroke cycle diesel engine, 589 - gas engine, 591 - petrol engine, 587 F.P.S. units, 2 Free air delivery, 638 - expansion process, 83 Frame of steam engine, 375 Friction in a nozzle, 470 Fuel pump, 607 Fundamental units, 1 Furance, 323 Fusible plug, 339 Future power plants, 579 G Gas turbine with intercooling, 711 - with reheating, 713 - uses of, 733 Gauge pressure, 12 Gaseous fuels, 291 Gasoline, 291 Gay-Lussac law, 31 General equations of change in internalenergy, 843 General expression for the change of entropy of a perfect gas, 108 - gas equation, 31 - law for expansion and compression of perfect gas, 85 Gibbs function, 837 Governor, 376 Governing of I.C. engines, 605 - steam engines, 437 - steam turbines, 55 - simple steam engines, 438 Grate, 323 Gravimetric analysis, 307 Gravitational units of force, 7 Gross calorific value, 293 - efficiency, 536 Guide mechanism, 521 H Heat, 15,17 - absorbed or rejected during poly tropic process, 61 - balance sheet, 352,433,628 - capacity, 16 - exchanger, 729 - losses in a boiler, 351 - rejected in a reciprocating air compres sor, 656 - transfer by conduction through a slab, 737 - transfer during a process with variable specific heat, 862 - during polytropic expansion or com pression process, 863 - through a composite wall, 739 - through thick cylinders, 741 - through thick sphere, 744 Heating and humidification, 818 Heavy fuel oils, 291Index 891 Height of blades for reaction turbine, 527 - chimney, 362 Helmholtz function, 835 Higher calorific value, 293 - Experimental determination of 294 High level jet condensers, 449 - steam law water safety valve, 336 Humidification,816,818 Humidity, 799,800 - lines, 883 - ratio, 800 Hyperbolic process, 60,244 Hypothetical indicator diagram, 378 - mean effective pressure, 379 I Ignition system of petrol engines, 598 Indicated mean effective pressure, 611 -power, 383,612 - thermal efficiency, 423,616 Indicator diagram of a simple steam engine, 378 Induced draught, 361 Industrial air conditioning system, 826 Injector, 608 Inlet ports, 375 - pressure, 637 Inner dead centre, 377 Intensive properties of thermodynamics, 9 Intercooling, 760 - of air in a two-stage reciprocating air compressor, 648 Internal energy, 14 -of steam,208 - efficiency, 564 - losses in turbine, 555 International system of units, 2 Importance of entropy, 104 Important terms used in steam, 200 - thermodynamic cycles, 156 - for steam boilers, 323 Impulse turbine, 502 Irreversible cycle, 154 - process, 50 Isentropic process, 63,247 - efficiency, 683 - expansion with variable specific heat, 869 -lines, 223,226 Isobaric process, 57,238 Isochoric process, 54,231 Isothermal compressibility,842 - lines 223,226 - efficiency, 682 - process, 61,242 Jet condensers, 447 Joule's cycle, 168 - law, 32 Joule Thomson coefficient, 92,852 K Kelvin, 3 Kerosene, 291 Kilogram, 3 Kinetic energy, 14 - per kg molecule of a gas, 143 L La-Mont boiler, 330 Lancashire boiler, 327 Latent heat of vaporisation, 202 Law of conservation of energy, 14 - equipartition of energy, 14 - perfect gases, 30 - thermodyamics, 19 Lever safety valve, 335 Lignite, 290 Limitations of first law of thermodynamics, 20 Liquid fuels, 290 Locomotive boiler, 328 Loeffler boiler, 331 Lower calorific value, 293 Low leveljet condenser, 448 -pressure turbine, 578 Lubrication of I.C. engines, 604 M Magneto ignitionsystem, 600 Main components of I.C. engines, 584 Mass, 6 - Atomic, 301 - of carbon in flue gases, 308 - of cooling water required for condensa tionof steam, 460 - of excess air supplied, 310 - fuel gases per kg of fuel burnt, 308 - of steam discharged througha nozzle, 474 - of steam in the engine cylinder, 420 --Molecular, 302 Mathematical Fundamentals, 839 Maximum discharge through nozzle, 477 - throughchimney, 366 Maxwell's equation,840 Mean effective pressure, 156,378,638 Measurement of brake power, 389 - dryness fraction of steam, 211 - vacuum in a condenser, 453892 A Text book of Thermal Engineering Mechanical draught, 360 - efficiency, 422, 616 - equivalent of heat, 16 Mechanism of simple vapour compression refrigeration system, 772 Merits of gaseous fuels/292 - liquid fuels, 291 Metastable flow through nozzles, 490 Methods of governing I.C. engines, 605 - heat transfer, 736 - reducing missing quantityor cylinder condensation, 431 - reducing rotor speeds, 552 Metre, 3 Minimum mass of air required for complete combustion, 304, 306 - work required for a two stage compressor, 652 Missing quantity, 430 Mixture qf air and steam in condensers, 452 M.K.S. units, 2 Modified Rankine cycle, 277 - Efficiency of, 278 Moist air, 799 Moisture content, 800 - lines, 809 Molar constant, 36 - specific heat of a gas, 39, 859 Molecular mass, 302 Molecules and atoms, 301 Mollier chart, 223 Mand gas, 292 Morse text, 613 Mountings, 323, 334 Multistage compression, 647 - turbine, 563 N Natural draught, 360 Net calorific value, 293 Newton's law of cooling, 736 - motion, 5 Non-caking bituminous coal, 290 Non-flow process, 51 - Application of first law of thermody namics to, 51 Normal temperature and pressure (N.T.P.), 13 Nozzle efficiency, 470, 536 O Octane number, 598 Open air refrigerationcycle, 754 - cycle gas turbines, 717 - system ofthermodynamics, 8 Orsat apparatus, 319 Otto cycle, 1.71 Outer dead centre, 377 Oven gas, 292 Overall coefficient of heat transfer, 746 - efficiency, 422, 565, 616, 721 - isothermal efficiency, 683 P Paraffin oil, 291 Parallel flow jet condensers, 448 Parson's reaction turbine, 521 Pass-out turbine, 578 Path of change of state, 9 Peat, 289 Percentage humidity, 800 Performance criteria for thermodynamic vapour cycles, 267 Perpetual motion machine of the first kind (PMM-I), 20 - second kind PMM-II), 21 Physical significance of critical pressure ratio, 479 Piston, 375, 585 - displacement volume, 377 - rings, 585 - rod, 375 Polytropic index, determination of, 82 - process, 72, 253 Potential energy 14 Power, 18 - produced by compound steam engine 398 - impulseturbine, 505 - reaction turbine, 524 - required to drive a compressor, 642, 651 - required to drive a fan, 369 - simple steam engine, 383 Preheating of compressed air, 704 Presentation of units and their values, 3 Pressure, 12 - and velocity of steam in turbine, 503, 522 - compoundingof an impulse turbine, 553 - enthalpy chart, 773 - exerted by an ideal gas, 142 - gauge, 335 - of water vapour, 801 - velocity compounding of an impulse turbine, 554 Prewhirl, 676 Principle of increase of entropy, 107 Producer gas, 292Index 893 Prony brake dynamometer, 389 Properties of a refrigerant, 793 - system, 8 Psychrometer, 799 Psychrometric chart, 809 - processes, 812 - relations, 800 -terms, 798 Pulverised coal, 290 Q Quality of wet steam, 201 Quasi-equilibrium or Quasi-static process, 9 R Rankine cycle, 268 - with incomplete evaporation, 272 - with superheated steam, 274 - efficiency, 565 Rate of heat absorpotion or rejection per unit volume during a polytropic process, 81 Rating of C.I. engine fuels, 598 - S. I. engine fuels,598 .Ratio of coefficient of volume expansion and isothermal compressibility, 843 - cylinder diameters, 658 - specific heats, 43, 149 Receiver type compound steam engine , 397 Recent trends in gas turbines, 734 Refrigerants commonly used in practice, 794 Regenerative cycle, 569 - with single feed water heater, 570 - with two feed water heaters, 573 - surface condenser, 451 Regnault's law, 42 Reheat cycle, 561 - factor, 563 Reheating of steam, 560 - advantages of, 561 Relation between cycle and engine, 155 - heat and entropy, 103 - specific heats, 42 Relative efficiency. 423, 617 - humidity, 799, 800 - humidity lines, 811 Requirements of a steam condensing plant, 446 -good fuel, 292 Reversed Carnot cycle, 755 - Joule cycle, 761 Reversible adiabatic process, 247 - cycle, 154 - process, 50 Reversibility and irreversibility of thermodynamic processes, 155 Roots blower compressor, 666 Rope brake dynamometer, 390 Rules for S.I. units, 4 S Safety valves, 335 Saturated air, 799 Scavenging of I.C. engines, 596 Scotch marine boiler. 326 Second, 3 - law of thermodynamics, 20 Selection of a steam boiler, 324 Semiclosed cycle gas turbine, 719 Sensible cooling, 812 - heat factor, 816 - heating, 814 - heat of water, 201 Separating calorimeter, 213 Sequence of operations in a cycle, 585 Simple vertical boiler, 325 S.I. Units, 2 Single stage reciprocating air compressor, 638 Slip factor, 697 Solid fueld, 289 - injection method, 600 Spark plug, 607 splash lubrication, 604 Sources of air in the condenser, 464 Specific heat, 15, 37, 850 - at constant pressure, 37 - at constant volume, 38 - humidity, 800 - humidity lines, 809 - ratio of, 43 - relations, 851 - relation between, 42 - steam consumption, 267 - volume lines, 810 - volumeofsteam, 202 Spring loaded safety valve, 337 State of a system, 9 Standard temperature and pressure (S.T. P.), 13 Static and total head quantities, 695 Steady flow process, 86 - Workdone in a, 89 Steam consumption, 440 -chest, 375 - injector, 493,494 - jet draught, 361 - stop valve, 338 - tables, 203 Stirling cycle, 164 Stored energy, 13 - Types of, 14894 A Text book of Thermal Engineering Stroke length, 156 - volume, 377 Summary of formulae of heating and expansion of perfect gases, 85 Summer air conditioning system, 829 Supercharging of I.C. engines, 603 Superheated steam, 201,206 Supersaturated flow through nozzles, 490 Surface condenser, 449 Swept volume, 156,377,638 Symbols of elements and compounds, 302 System of units, 2 T Tandem type compound steam engine, 395 T ds equations, 847 Temperature, 10 - entropy diagram for water and steam, 222 - gradient, 738 - limitations for reversed Carnot cycle, 756 - vs total heat graph during steam formation, 200 Theroretical indicator diagram of simple steam engine, 378 - mass of air required for complete com bustion, 304, 306 - mean effective pressure, 379 - vapourcompression cycle with dry saturated vapour after compression, 774 - with superheated vapour after compres sion,783 - with undercooling or subcooling of re frigerant, 785 - with wet vapour after compression, 778 Thermal capacity, 16 - conductivity, 737 - equilibrium, 11 Thermodynamic cycle,9 - assumptions in, 153 - equilibrium, 11 - for rotary air compressor, 693 - Important terms used in, 156 - systems, 7 - text of I.C. engines, 611 - wet bulb temperature, 806 Thermosyphon system of cooling, 602 Three cylinder compound steam engine, 414 Throttle governingof compound steamengine, 414 Throttle governing of compound steam engines, 439 - simple steam engines, 438 - steam turbines, 555 Throttling calorimeter, 213 - lines, 226 - process, 91,257 Total heat lines, 810 - of moist air, 803 - of steam, 202 Transit energy, 13 Two cylinder compound steam engine, 399, 401,407 - stage reciprocating air compressor, 647 - stroke cycle diesel engine, 594 - stroke cycle petrol engine, 592 Types of cooling towers, 465 - draughts, 360 -jet condensers, 448 - rotary air compressors, 665 - scavenging, 597 - steam nozzles, 469 - stored energy, 14 - surface condensers, 450 - thermodynamiccycles, 157 - vapour compression cycles, 773 U Unavailable heat energy, 105 Unitary air conditioning system, 830 Units of entropy, 106 - refrigeration, 752 Universal gas constant, 36 Unresisted expansion process, 83 Uses of gas turbines, 733 - steam tables, 203 Vacuum efficiency of steam condenser, 453 Values for maximum discharge through a nozzle, 477 - of critical pressure ratio, 479 Valve timing diagrams, 587,589,591,594,596 Vane blower compressor, 667 Vander Waals' equation of a real gas, 150 Vapour absorption refrigeration system, 791 - compression cycles, 773 - pressure lines, 811 Variation of specific heat with temperature,860 Velocity compounding of an impulse turbine, 552 - diagram for axial flow air compressor, 678 - diagram for moving blade of an im pulse turbine, 503Index 895 - diagram for two stage impulse turbine, 514 - of a molecule, 141 - of steam flowing through a nozzle, 471 - triangle for centrifugal compressor, 673 - triangle for moving blades of a reaction turbine, 522, 524 Vertical multi-tubular boiler, 326 Volumetric efficiency, 617, 683, 684 W Water cooling system of I.C. engines, 602 - equivalent, 16 - gas, 292 - level indicator, 334 Weight, 6 Wet bulb depression, 799 - temperature, 799 - temperature lines, 810 Wet steam, 200 Width of impeller blades, 675 Willian's law, 440 Winter air conditioning system, 828 Wood, 289 - charcoal, 290 Wpolf type compound steam engine, 396 Work, 16.'17 - ratio, 267 Workdone by air in air motor, 700 - compound steam engine, 398 - centrifugal air compressor, 670 - during a non-flow precess, 51 - for various steady flow processes, 90 - single stage reciprocating air compres sor, 639, 645 - steady flow process, 89 - twostage reciprocating air compressor with intercooler, 649 Working of an ideal engine, 155 - single cylinder double acting horizontal reciprocating steam engine, 376 - single stage reciprocating air compres sor, 638 Y Year round air conditioning, 830 Z Zeroth law of thermodynamics, 19
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