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Book Description, Title Engineering Thermodynamics. Author P K Nag, Publisher Tata McGraw Hill Education Pvt Ltd New Delhi. ISBN 0 07 026062 1, Scilab numbering policy used in this document and the relation to the. above book, Exa Example Solved example, Eqn Equation Particular equation of the above book. AP Appendix to Example Scilab Code that is an Appednix to a particular. Example of the above book, For example Exa 3 51 means solved example 3 51 of this book Sec 2 3 means.
a scilab code whose theory is explained in Section 2 3 of the book. List of Scilab Codes 5, 1 Introduction 11, 2 Temperature 14. 3 Work and heat transfer 16, 4 First law of thermodynamics 22. 5 First law applied to flow processes 27, 6 Second law of thermodynamics 33. 7 Entropy 37, 8 Available energy Availability and irreversibility 45. 9 Properties of pure substances 56, 10 Properties of gases and gas mixture 68.
11 Thermodynamic relations Equilibrium and stability 81. 12 Vapour power cycle 83, 13 Gas power cycle 94, 14 Refrigeration cycle 101. 15 Psychrometrics 107, 16 Reactive systems 112, 17 Compressible fluid flow 119. 18 Gas compressors 125, List of Scilab Codes, Exa 1 1 Calculting gas pressure 11. Exa 1 2 Calculating inlet and exhaust pressure in pascals 11. Exa 1 3 Converting various readings of pressure in kPa 12. Exa 1 4 Calculating the depth of earth atmosphere required to. produce given pressure 12, Exa 1 5 Determining net upward force experienced by astrounaut 13. Exa 2 1 Calculations on straight bore thermometer 14. Exa 2 2 Calculation of thermometer reading 14, Exa 2 3 Calculting temperature for given resistance 15.
Exa 3 1 Calculation of magnitude of velocity 16, Exa 3 2 Calculation of work done on atmosphere by balloon 16. Exa 3 3 Calculation of work done by atmosphere 16, Exa 3 4 Calculation of net work transfer for the system 17. Exa 3 5 Calculation of net rate of work transfer from the gas to. Exa 3 6 Calculation of dimension of cylindrical furnace 18. Exa 3 7 Calculations on alluminium furnace 18, Exa 3 8 Calculation on work required for automization 19. Exa 3 9 Calcultion on electric motor 19, Exa 3 10 Calculation of work done by piston cylinder system 20. Exa 3 11 Calculation of work done in PV cycle 20, Exa 4 1 Calculation of change in internal energy of gas 22.
Exa 4 2 Calculations on PV cycle 22, Exa 4 3 Calculation of net rate of work output in a piston and. cylinder machine 23, Exa 4 4 Thermodynamics calculations of a substance with given. internal energy function 24, Exa 4 5 Thermodynamics calculations of a cylinder with given. internal energy function 24, Exa 4 6 Calculation on PV cycle of a stationary fluid system 25. Exa 5 1 Calculation on an air compressor 27, Exa 5 2 Calculations across a control volume 28.
Exa 5 3 Calculation of steam flow rate between a boiler and tur. Exa 5 4 Calculation of quantity of steam supplied to a heater 29. Exa 5 5 Calculations across a heat exchanger 30, Exa 5 6 Calculations on a gas turbine 30. Exa 5 7 Calculation of velocity of exhaust jet 31, Exa 5 9 Thermodynamics calculations of air with given internal. energy function 31, Exa 6 1 Calculation of least rate of heat rejection by a cyclic. heat engine 33, Exa 6 2 Calculation of least power for a domestic food freezer 33. Exa 6 4 Calculations on a carnot engine 34, Exa 6 5 Calculations on reversible heat engine 34.
Exa 6 7 Determination of heat multiplication factor 35. Exa 6 8 Estimation of minimum collector area of solar area 35. Exa 6 9 Determination of minimum solar panel area 36. Exa 7 1 Calculation of entropy change of water 37, Exa 7 2 Entropy change calculations of a heat reservoir and uni. Exa 7 3 Entropy change calculations between ice and universe 38. Exa 7 5 Calculation of entropy change for a gas 39. Exa 7 8 Calculation of highest temperature in three body system. of constant heat capacity 39, Exa 7 9 Calculation of mxaximum amount of work for a system. with given heat capacity 40, Exa 7 10 Heat calculation for a reversible adiabatic compression. Exa 7 11 Establishment of direction of flow in a insulated duct 42. Exa 7 12 Determination of possibility of a hypothetical device. thermodynamically 43, Exa 7 13 Calculation of heat transfer through a room 43. Exa 8 1 Calculation of fraction of available energy in heat transfer 45. Exa 8 2 Calculation of increase in available energy in a steam. Exa 8 3 Calculation of available energy in water 46. Exa 8 4 Calculation of decrease in available energy in water 46. Exa 8 5 Calculation of the final RPM of the flywheel 47. Exa 8 6 Energy calculations on air 47, Exa 8 7 Energy calculation of air through a turbine 48.
Exa 8 8 Energy calculation on a air preheater 48, Exa 8 9 Calculation of rate of energy degradation of gas flowing. through a pipe 49, Exa 8 10 Calculation of rate of energy lossof gas flowing through. Exa 8 11 Energy calculation on mixing of stream of water 50. Exa 8 12 Calculations on efficiency of burning of fuel 51. Exa 8 14 Calculation of power and efficiency in a compressor 52. Exa 8 15 Determination of energy of vaccume 52, Exa 8 16 Calculation of energy produced in chilling process of fish 52. Exa 8 17 Thermodynamic calculation on air 53, Exa 8 18 Energy calculation of steam through turbine 53. Exa 8 19 Availability calculations on a furnace 54. Exa 8 20 Energy calculation of air through compressor 54. Exa 9 1 Calculations on vapourization of steam 56, Exa 9 3 Finding the entropy and enthalpy of steam 56.
Exa 9 4 Finding the entropy and enthalpyand volume of steam 57. Exa 9 5 Calculations of thermodynamics properties of mixture. of air and steam 57, Exa 9 6 energy calculation on cooling of steam 58. Exa 9 7 energy calculation on expansion of steam 59. Exa 9 8 Determination of velocity of steam leaving through steam 59. Exa 9 9 Calculation of moisture of steam 60, Exa 9 10 Finding the quantity of steam in pipeline 60. Exa 9 11 Calculation of heat transferred in a steam bolier 61. Exa 9 12 Calculations on heat transfer in a cylinder and piston. Exa 9 13 Energy calculations in an insulated vessel 62. Exa 9 14 Energy calculation on steam passing through turbine 63. Exa 9 15 Energy calculation on a steam turbine 64, Exa 9 16 Determination of energy of different phases of water 65. Exa 9 17 Calculations on a heat exchanger 66, Exa 9 18 Estimation of max cooling rate of a system 67. Exa 10 1 Finding the final temperature and heat transferred in a. Exa 10 2 Finding the final temperature and heat transferred in a. Exa 10 3 Heat calculation on a fluid 69, Exa 10 4 Heat calculation for a reversible adiabatic process 70.
Exa 10 5 Heat calculations on a reversible polytropic process 71. Exa 10 6 Calculation on PV cycle of ideal monoatomic gas 72. Exa 10 7 Pressure calculation in a system of two vessels 73. Exa 10 8 Heat calculation on a gas in constant volume chamber 74. Exa 10 9 Calculation of work done in expansion of a gas 74. Exa 10 11 Calculation of work and heat transfer on a path 75. Exa 10 12 Heat calculations over a cycle 75, Exa 10 13 Heat calculations on an ideal gas 76. Exa 10 14 Calculations on internal combustion engine 76. Exa 10 15 Calculations on a mixture of ideal gases 77. Exa 10 16 Finding the increase in entropy of gas 79. Exa 10 17 Calculations os specific properties of neon 79. Exa 11 3 Finding the vapour pressure of benzene 81. Exa 11 4 Calculations on vapours of benzene 81, Exa 11 6 Thermodynamic calculation on a system of two simple. systems 82, Exa 12 1 Calculation of work required for compression of steam 83. Exa 12 2 Calculations on steam on a cycle 83, Exa 12 3 Calculation on stem power plant 84. Exa 12 4 Calculations on steam power plant 85, Exa 12 5 Calculations on single heater regenerative cycle 85.
Exa 12 6 Calculations on steam power plant 86, Exa 12 7 Calculations on expansion of steam in a turbine 87. Exa 12 8 Calculations on steam power plant 88, Exa 12 9 Calculations on steam in a chemical plant 90. Exa 12 10 Calculation of oil consumption per day in a factory 91. Exa 12 11 Calculations on a steam turbine 91, Exa 12 12 Calculations on a binary vapour cycle 92. Exa 13 1 Calculations on otto cycle 94, Exa 13 2 Calculations on a diesel engine 95. Exa 13 3 Calculations on air standard diesel cycle 95. Exa 13 4 Calculations on air standard dual cycle 96. Exa 13 5 finding the increase in cycle efficiency of gas turbine plant 96. Exa 13 6 Calculations on gas turbine plant operating on bryton. Exa 13 7 Calculations on an ideal bryton cycle 98, Exa 13 8 Calculations on stationary gas turbine 98.
Exa 13 10 Calculations on air flying through the engine of a tur. bojet aircraft 99, Exa 13 11 Calculations on a combined GT ST plant 100. Exa 14 1 Finding the power required to drive a cold storage plant 101. Exa 14 2 Heat calculations on a refrigerator 101, Exa 14 3 Calculations on refrigeration by a simple R 12 plant 102. Exa 14 4 Calculations on R 12 vapour compression plant 103. Exa 14 5 Calculation on work and COP of two stage refrigeration. system 103, Exa 14 6 Estimation of COP of refrigeration 104. Exa 14 7 Calculations on a aircraft cooling system 105. Exa 14 8 Calculations on a vapour compression heat pump 105. Exa 14 9 Calculations on air refrigeration system cycle 106. Exa 15 1 Calculations on atmospheric air 107, Exa 15 2 Calculating the humidity of air water mixture 108. Exa 15 3 Calculations on air temperature and mass of water 108. Exa 15 4 Calculations on an air conditioning system 109. Exa 15 5 Calculation on air mixed with RH 109, Exa 15 7 Calculation on the airconditioning of a hall 110.
Exa 15 8 Calculations on water into a cooling tower 110. Exa 15 9 Calculations on air flow rate into a cooling tower 111. Exa 16 2 Dissociation calculation on N2O4 112, Exa 16 3 Determination of gubbs constant and equillibrium func. Exa 16 5 Calculation of equillibrium constant 113, Exa 16 6 Estimation of Cp of H2O dissociation 113. Exa 16 7 Calculations on combustion of unknown hydrocarbon 113. Exa 16 8 Determination of heat transfer in per kg mol of a fuel 114. Exa 16 9 Calculations on a gasoline engine 114, Exa 16 10 Calculations on burning of liquid octane 115. Exa 16 11 Calculations on burning of gaseous propane 115. Exa 16 12 Determination of chemical energy of phases of water 116. Exa 16 13 Calculation on burning of liquid octane 117. Exa 17 1 Calculation s on flow of air through a duct 119. Exa 17 2 Calculations on canonical air diffuser 120. Exa 17 3 Calculations on air flow through convergent divergent. nozzle 121, Exa 17 4 Calculations on pitot tube immersed in a supersonic flow 122. Exa 17 5 Calculations on a CD nozzle operating at off design con. dition 123, Exa 17 6 Calculations on expansion of air through a convergent.
nozzle 123, Exa 17 7 Calculations on an ideal gas undergoing a normal shock 124. Exa 18 1 Calculations on a single reciprocating compressor 125. Exa 18 2 Calculations on a single reciprocating air compressor 126. Exa 18 3 Calculations on a two stage air compressor with perfect. intercoolings 126, Exa 18 4 Calculations on a single acting two stage air compressors 127. Exa 18 5 Determination of out put power of an air engine 127. Exa 18 6 Calculations on a three stage acting reciprocating air. compressor 128, Exa 18 7 Determining the work input for a vane type compressor 129. Exa 18 8 Determination of power required to drive the roots blower 129. Exa 18 9 Calculations on a gas turbine utilizing a two stage cen. trifugal compressor 130, Exa 18 10 Calculations on a rotatry compressor 130. Introduction, Scilab code Exa 1 1 Calculting gas pressure.
1 d r 13640 D e n s i t y o f m e r c u r y i n kg m3. 2 g 9 79 A c c e l e r a t i o n due t o g r a v i t y i n m s 2. 3 z 562 e 03 D i f f e r e n c e i n h e i g h t i n m. 4 z0 761 e 03 R e a d i n g o f b a r o m e t e r i n m. 5 P d r g z z0 0 987 1 e05 Gas P r e s s u r e i n. 6 disp b a r P Gas P r e s s u r e i s, Scilab code Exa 1 2 Calculating inlet and exhaust pressure in pascals. 1 d r 13 6 e03 D e n s i t y o f m e r c u r y i n kg m3. 2 g 9 81 A c c e l e r a t i o n due t o g r a v i t y i n m s 2. 3 z 710 e 03 S t e a n f l o w p r e s s u r e i n m. 4 z0 772 e 03 R e a d i n g o f b a r o m e t e r i n m. 5 P 1 4 e06 Gauge p r e s s u r e o f a p p l i e d steam i n Pa. 6 P0 d r g z0 A t m o s p h e r i c p r e s s u r e i n Pa. 7 Pi P P0 I n l e t steam p r e s s u r e i n Pa, 8 Pc d r g z0 z C o n d e n s e r p r e s s u r e i n Pa. 9 disp Pa Pi I n l e t steam p r e s s u r e i s, 10 disp Pa Pc C o n d e n s e r p r e s s u r e i s. Scilab code Exa 1 3 Converting various readings of pressure in kPa. 1 z 0 760 B a r o m e t e r r e a d i n g i n m, 2 P a r t a. 3 h1 40 e 02 Mercury h e i g h t i n vaccume i n m. 4 d r 13 6 e03 D e n s i t y o f m e r c u r y i n kg m3. 5 g 9 80 A c c e l e r a t i o n due t o g r a v i t y i n m s 2. 6 Patm z d r g A t m o s p h e r i c p r e s s u r e i n Pas. 7 Pv h1 d r g P r e s s u e i n vaccume i n Pa, 8 Pabs Patm Pv A b s o l u t e p r e s s u r e i n Pa.
9 disp Pa Pabs 40cmHg vaccume i s, 10 P a r t b, 11 h2 90 e 02 Mercury h e i g h t i n g a u g e i n m. 12 Pg h2 d r g Gauge P r e s s u r e i n Pa, 13 Pabs1 Patm Pg A b s o l u t e p r e s s u r e i n Pa. Scilab Textbook Companion for Engineering Thermodynamics by P Exa 7 13 Calculation of heat transfer Exa 15 3 Calculations on air temperature and mass of

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