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ME 361 - THERMODYNAMICS - Wisconsin Study Resources
  • 2 Pages Problem Set #5 Solutions
    Problem Set #5 Solutions

    School: Wisconsin

    Course: THERMODYNAMICS

  • 2 Pages 1-54
    1-54

    School: Wisconsin

    Course: THERMODYNAMICS

    1-54 Equations Set 2: 1-54 R = Ro exp ( (1/T - 1/To ) Ro = 2.2 [ohm] To = 310 [K] $if ParametricTable = 2289 [K] $else T = 422 [K] R = 0.31 [ohm] $endif (5) (6) (4) (1) (2) (3) Solution = 2289 [K] T = 600 [K] R = 0.06201 [] To = 310 [K] Ro = 2.

  • 1 Page 6-142
    6-142

    School: Wisconsin

    Course: THERMODYNAMICS

    6-142 Equations Problem 6-142 Steam at 5 MPa and 600 C enters an insulated turbine operating at steady-state and exits as saturated vapor at 50 kPa. Kinetic and potential energy effects are negligible. Determine: a) the work developed by the turbine

  • 5 Pages 9-54
    9-54

    School: Wisconsin

    Course: THERMODYNAMICS

    9-54 Equations Gas Turbine System Air enters the compressor of a gas turbien at P1 =100 kPa, T1 =300 K. The isentropic efficiencies of the compressor and turbine are specified to be 90%, 80% and 70%. The temperature at the turbine inlet is 1400 K. T

  • 6 Pages 8-3536
    8-3536

    School: Wisconsin

    Course: THERMODYNAMICS

    8-35&36 Equations Set 24: Problem 8.35 Number states as the EESdiagram window. W $ = `Steam' T1 = 480 [C] P1 = 8000 [kPa] P3 = 8 [kPa] $Ifnot ParametricTable P2 = 700 [kPa] $endif P ower = 100 [MW] 1000 kW MW (6) feed water heater pressure (5) (1)

  • 4 Pages 8-45
    8-45

    School: Wisconsin

    Course: THERMODYNAMICS

    8-4&5 Equations Set 23: Problem 8.4 and 8.5 Water is the working fluid in an ideal Rankine cycle. Steam enters the turbine at 8 MPa and 480 C. The net power output of the cycle is 100 MW. 8-4 Plot the following quantifies versus condenser pressure r

  • 1 Page 5-34
    5-34

    School: Wisconsin

    Course: THERMODYNAMICS

    5-34 Equations Set 15: Problem 5-34 Ocean temperature energy conversion (OTEC) power plants generate power by utilizing the naturally occurring decrease with depth of the temperature of ocean water. Near Florida, the ocean surface temperature is 27

  • 1 Page 3-103
    3-103

    School: Wisconsin

    Course: THERMODYNAMICS

    3-103 Equations Set 7: 3-103 A gas is confined to one side of a rigid, insulated container divided by a partition. The other side is initially evacuated. The following data are known for the initial state of the gas: P[1]=5 [bar], T[1]=500 [K] and V

  • 1 Page Chapter 4 Outline
    Chapter 4 Outline

    School: Wisconsin

    SECTION 4.1: SPRING ELEMENTS Main Principle: All physical objects deform somewhat under the action of externally applied forces. We see this in the obvious example of a spring. However, other mechanical elements can be described in the same way. Forc

  • 1 Page Chapter 4 Outline
    Chapter 4 Outline

    School: Wisconsin

  • 3 Pages Chapter 3 Outline
    Chapter 3 Outline

    School: Wisconsin

    SECTION 3.1: PURE SUBSTANCE Pure Substance - Definition: a substance that has a fixed chemical composition - Does NOT have to be of a single chemical element or compound- as long as the mixture is homogeneous - A mixture of two phases can still be a

  • 2 Pages prob_2_soln
    Prob_2_soln

    School: Wisconsin

  • 1 Page 8-32
    8-32

    School: Wisconsin

    8-32 Steam and R-134a at the same states are considered. The fluid with the higher exergy content is to be identified. Assumptions Kinetic and potential energy changes are negligible. Analysis The properties of water at the given state and at the dea

  • 3 Pages 1-47
    1-47

    School: Wisconsin

    Course: THERMODYNAMICS

    1-47 Equations Set 2: 1-47 The variation of pressure within the biosphere affects not only living things by also systems such as aircraft and undersea exploration vehicles. a) Plot the variation of atmospheric pressure (in atm) versus elevation z ab

  • 1 Page 1-29
    1-29

    School: Wisconsin

    Course: THERMODYNAMICS

    1-29 Equations Set 1: 1.29 1.25 - 1 va - 0.2275 = 0.1483 - 0.2275 1.5 - 1 Tb - 240 0.1555 - 0.1483 = 280 - 240 0.1627 - 0.1483 Interpolate for T=220 at P=1.0 and 1.5 At 220 , P=1.0 MPa, v=(0.2060+0.2275)/2=0.2168 At 220 , P=1.5 MPa, v=(0.1325+0.1483

  • 2 Pages 3-37
    3-37

    School: Wisconsin

    Course: THERMODYNAMICS

    3-37 Equations Set 6: 3-37 A piston-cylinder assembly contains 0.04 lbm of R134a. The refrigerant is compressed from an initial state where p1 =10 psia and T1 =20 F to a final state where P2 =160 psia. During the processs, the pressure the pressure

  • 1 Page 2-28
    2-28

    School: Wisconsin

    Course: THERMODYNAMICS

    2-28 Equations Set 3: 2-28 Carbon dioxide gas in a piston-cylinder assembly expands from an initial state where p1 =80 psia, V1 =0.65 ft3 to a final pressure of p2 =20 psia. The relationship between the pressure and volume during the process is pV1.

  • 1 Page 13-13
    13-13

    School: Wisconsin

    Course: THERMODYNAMICS

    13-13 Equations Set 36: Problem 13-13 Octane burns completely with 120% of theoretical air. Determine a) the air fuel ratio on molar and mass bases b) the dew point temperature in C at atmospheric pressure C8H18 + a(O2+3.76 N2) = 8 CO2 + 9 H2O + b O

  • 2 Pages 13-58
    13-58

    School: Wisconsin

    Course: THERMODYNAMICS

    13-58 Equations Set 38: Problem 13-58 Adiabatic Combustion of Propane at 25 C with Air at 25 C. Plot the adiabatic combustion temperature versus percent theoretical air, X. Reaction: C3H8 + 5 (X/100) (O2 + 3.76 N2) 3 CO2 + 4 H2O + 3.76 (5 X/100) N2

  • 2 Pages 12-66
    12-66

    School: Wisconsin

    Course: THERMODYNAMICS

    12-66 Equations Set 33: Problem 12-66 Using the psychrometric chart, determine a) the rh, humidity ratio, specific enthalpy corresponding to a dry-bulb of 30[C] and wetbulb of 25 [C] Tdb,a = 30 [C] Twb,a = 25 [C] rha = (AirH2O, T = Tdb,a , B = Twb,

  • 1 Page 10-3
    10-3

    School: Wisconsin

    Course: THERMODYNAMICS

    10-3 Equations Set 29 Problem 10-3 abc A Carnot vapor refrigeration cycle operates between thermal reservoirs at 40 F and 90 F. Determine the operating pressures in the condenser and evaporator and the COP for a) R134a, b) propane and c) water TL =

  • 1 Page 2-38
    2-38

    School: Wisconsin

    Course: THERMODYNAMICS

    2-38 Equations Set 3: 2-38 A 12-V battery is chareged with a constant current of 2 amp for 24 h. Determine the cost if electricity is $0.08/kW-hr. W = I V time 0.001 I = 2 [amp] V = 12 [Volt] time = 24 [hr] Cost = 0.08 [$/kW hr] W The current co

  • 2 Pages 6-132
    6-132

    School: Wisconsin

    Course: THERMODYNAMICS

    6-132 Equations Set 22: Problem 6.132 Air enters a turbine operaitng at steady state at 6 bar and 1100 K and expands isentropically to a state where the temperature is 700 K. Determine the pressure at the exit and the work per kg of air. Ignore kine

  • 3 Pages 9-31
    9-31

    School: Wisconsin

    Course: THERMODYNAMICS

    9-31 Equations Set 25: Problem 9.31 At the beginning of the compression process in an air-standard Diesel cycle, P1 =1 bar and T1 =300 K. For maximum cycle temperatures fo 1200, 1500, 18000, and 2100 K, plot the heat adition per unit mass, the net w

  • 2 Pages 1-48
    1-48

    School: Wisconsin

    Course: THERMODYNAMICS

    1-48 Equations Set 2: 1-48 m = 1000 [kg] P = 5.18 10-3 bar m3 /kg K 6 2 T -3 bar m /kg - 8.91 10 v - 0.002668 m3 v2 kg (1) (2) $ifnot ParametricTable T = 255 [K] P = 100 [bar] $endif V ol = v m (5) (3) (4) Solution m = 1000 [kg] v = 0.0

  • 2 Pages 4-1
    4-1

    School: Wisconsin

    Course: THERMODYNAMICS

    4-1 Equations Set 8: 4-1 The mass flow rate at the inlet of a one-inlet, one-exit control volume varies with time according to: min =100*(1-exp(-2 [1/hr]*t) where min is in units of kg/hr and t is in hr. At the exit, the mass flow rate is constant

  • 1 Page 2.57
    2.57

    School: Wisconsin

    Course: THERMODYNAMICS

    2.57 Equations Problem Set 5: 2-57 5 kg of steam contained in a piston-cylinder assembly expands from state 1 where u1 =2709.9 kJ/kg to state 2 where u2 =2659.6 kJ/kg. During the process there is heat transfer of 80 kJ to the steam and a paddle whee

  • 1 Page HW5
    HW5

    School: Wisconsin

    Homework #5 traditional part Due Wednesday September 24, 2008 ME 361 - Thermodynamics Fall Semester 2008 {work all these problems on paper. you can check your work using EES if you want but hand in only the by-hand-work-on-paper part and be sure y

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