Fluid Mechanics Fundamentals And Applications
3rd Edition
ISBN: 9780073380322
Author: Yunus Cengel, John Cimbala
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 2, Problem 114P
To determine
The pressure at the end of combustion process.
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On a hot summer day, you decide to make some iced tea. First, you brew 1.50 L of hot tea and leave it to steep until it has reached a temperature of Ttea = 75.0 ∘C. You then add 0.975 kg of ice taken from the freezer at a temperature of Tice = 0 ∘C. By the time the mix reaches equilibrium, all of the ice has melted. What is the final temperature Tf of the mixture?
For the purposes of this problem, assume that the tea has the same thermodynamic properties as plain water.
The specific heat of water is c = 4190 J/kg⋅∘C
The heat of fusion of ice is Lf = 3.33×105 J/kg
The density of the tea is ρ tea = 1.00 kg/L
9. Carbon Dioxide and Oxygen is placed each inside a 1m3 tank separated by an isolation valve. Initially, Carbon dioxide has the following properties: P = 20kPag & T = 25°C and that Oxygen has the following properties: P = 30kPag & T = 75°C. If heat is being prevented to escape in the outside surroundings, determine the resulting temperature of the mixture if it is found that after opening the isolation valve, the resulting pressure on both tank is 25kPag. Draw a figure or FBD that will support the problem. Explain each step by step formula.
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Chapter 2 Solutions
Fluid Mechanics Fundamentals And Applications
Ch. 2 - For a substance, what is the difference between...Ch. 2 - What is the difference between intensive and...Ch. 2 - What is specific gravity? How is it related to...Ch. 2 - The specific weight of a system is defined as the...Ch. 2 - Prob. 5CPCh. 2 - Under what conditions is the ideal-gas assumption...Ch. 2 - What is the difference between R and Ru? How are...Ch. 2 - A fluid that occupies a volume of 24 L weighs 22 N...Ch. 2 - Prob. 9PCh. 2 - A mass of 1-Ibm of argon is maintained at 200 psia...
Ch. 2 - What is the specific volume of oxygen at 40 psia...Ch. 2 - The air in an automobile tire with a volume of...Ch. 2 - The pressure in an automobile tire depends on the...Ch. 2 - A spherical balloon with a diameter of 9 m is...Ch. 2 - Prob. 16PCh. 2 - Prob. 18EPCh. 2 - Does water boil at higher temperatures at higher...Ch. 2 - Prob. 22CPCh. 2 - What is cavitation? What causes it?Ch. 2 - What is vapor pressure? How is it related to...Ch. 2 - Prob. 24EPCh. 2 - A pump is used to transport water to a higher...Ch. 2 - Prob. 26PCh. 2 - The analysis of a propeller that operates in water...Ch. 2 - What is flow energy? Do fluids at rest possess any...Ch. 2 - How do the energies of a flowing fluid and a fluid...Ch. 2 - Prob. 30CPCh. 2 - Prob. 31CPCh. 2 - List the forms of energy that contribute to the...Ch. 2 - How are heat, internal energy, and thermal energy...Ch. 2 - Using average specific heats, explain how internal...Ch. 2 - Prob. 35CPCh. 2 - Saturated water vapor at 150°C (enthalpy...Ch. 2 - Prob. 37CPCh. 2 - What does the coefficient of volume expansion of a...Ch. 2 - Can the coefficient of compressibility of a fluid...Ch. 2 - Water at 15°C and 1 atm pressure is heated to 95°C...Ch. 2 - Prob. 41PCh. 2 - Prob. 42PCh. 2 - Water at 1 atm pressure is compressed to 400 atm...Ch. 2 - The volume of an ideal gas is to be reduced by...Ch. 2 - Saturated refrigerant-134a liquid at 10C is cooled...Ch. 2 - Prob. 46PCh. 2 - Prob. 47PCh. 2 - The density of seawater at a free surface where...Ch. 2 - Prob. 49EPCh. 2 - Prob. 50EPCh. 2 - Prob. 51PCh. 2 - The ideal gas equation of state is very simple,...Ch. 2 - A frictionless piston-cylinder device contains 10...Ch. 2 - Reconsider Prob. 2-48. Assuming a bear pressure...Ch. 2 - Prob. 55CPCh. 2 - Prob. 56CPCh. 2 - Prob. 57CPCh. 2 - Prob. 58CPCh. 2 - Prob. 59CPCh. 2 - Prob. 60CPCh. 2 - Is then sonic ve1ocity a specified medium a fixed...Ch. 2 - The Airbus A-340 passenger plane has a maximum...Ch. 2 - Carbon dioxide enters an adiabatic nozzle at 1200...Ch. 2 - Prob. 64PCh. 2 - Assuming ideal gas behavior, determine the speed...Ch. 2 - Prob. 66PCh. 2 - Steam flows through a device with a pressure of...Ch. 2 - Prob. 69EPCh. 2 - Air expands isentropically from 2.2 MPa 77C to 0.4...Ch. 2 - Repeat Prob. 2-66 for helium gas.Ch. 2 - Prob. 72PCh. 2 - What is viscosity? What is the cause of it is...Ch. 2 - Prob. 74CPCh. 2 - How does the kinematic viscosity of (a) liquids...Ch. 2 - Prob. 76CPCh. 2 - Prob. 77CPCh. 2 - The viscosity of a fluid is to be measured by a...Ch. 2 - Consider the flow of a fluid with viscosity ...Ch. 2 - A thin 30cm30cm flat plate is pulled at 3 m/s...Ch. 2 - A rotating viscometer consists of two concentric...Ch. 2 - The dynamic viscosity of carbon dioxide at 50°C...Ch. 2 - For flow over a plate, the variation of velocity...Ch. 2 - In regions far from the entrance, fluid flow...Ch. 2 - Repeat Prob. 2-83 for umax=6m/s .Ch. 2 - A frustum-shaped body is rotating at a constant...Ch. 2 - A rotating viscometer consists of two concentric...Ch. 2 - A large plate is pulled at a constant speed of U =...Ch. 2 - A cylinder of mass m slides down from rest in a...Ch. 2 - A thin plate moves between two parallel,...Ch. 2 - Prob. 95PCh. 2 - What is surface tension” What is its cause? Why is...Ch. 2 - Prob. 97CPCh. 2 - What is the capillary effect? What is its cause?...Ch. 2 - Prob. 99CPCh. 2 - Is the capillary rise greater in small- or...Ch. 2 - Prob. 101PCh. 2 - A2.4-in-diameter soap bubble is to be enlarged by...Ch. 2 - Prob. 103PCh. 2 - Determine the gage pressure inside a soap bubble...Ch. 2 - A 0.03-in-diameter glass tube is inserted into...Ch. 2 - Prob. 106PCh. 2 - A capillary tube of 1.2 mm diameter is immersed...Ch. 2 - Prob. 108PCh. 2 - Contrary to what you might expect, a solid steel...Ch. 2 - Nutrients dissolved in water are carried to upper...Ch. 2 - Prob. 111PCh. 2 - Consider a 55-cm-long journal bearing that is...Ch. 2 - Prob. 113PCh. 2 - Prob. 114PCh. 2 - A rigid tank contains an ideal gas at 300kPa and...Ch. 2 - The absolute pressure of an automobile tire is...Ch. 2 - The composition of a liquid with suspended solid...Ch. 2 - Prob. 119PCh. 2 - A 10-m3 tank contacts nitrogen at 25C and 800kPa....Ch. 2 - Prob. 123PCh. 2 - Although liquids, in general, are hard to...Ch. 2 - Prob. 125PCh. 2 - Prob. 126PCh. 2 - Prob. 127PCh. 2 - Reconsider Prob. 2-120. The shaft now rotates with...Ch. 2 - A 10-cm diameter cylindrical shaft rotates inside...Ch. 2 - Some rocks or bricks contain small air pockets in...Ch. 2 - Prob. 131PCh. 2 - Prob. 132PCh. 2 - Prob. 133PCh. 2 - Prob. 134PCh. 2 - Liquid water vaporizes into water vaper as it ?aws...Ch. 2 - In a water distribution system, the pressure of...Ch. 2 - Prob. 137PCh. 2 - The difference between the energies of a flowing...Ch. 2 - Prob. 139PCh. 2 - An ideal gas is compressed isothermally from...Ch. 2 - Prob. 141PCh. 2 - Prob. 142PCh. 2 - Prob. 143PCh. 2 - Water is compressed from 100 kPa to 5000 kPa at...Ch. 2 - Prob. 145PCh. 2 - The dynamic viscosity of air at 20C and 200kPa is...Ch. 2 - A viscometer constructed of two 30-cm -long...Ch. 2 - Prob. 148PCh. 2 - Prob. 149PCh. 2 - Prob. 150PCh. 2 - Prob. 151PCh. 2 - Prob. 152PCh. 2 - Prob. 153PCh. 2 - Prob. 154PCh. 2 - Evan though steel is about 7 to 8 times denser...
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- Q Search A tank with a volume of 3.5 m³ is filled with carbon monoxide at 53°C and 170 kPa is connected through a valve to another tank containing 3.6 kg of carbon monoxide at 100°C and 300 kPa. Now the valve is opened, and the entire system. If the final temperature of the entire system is 18°C, determine the volume of the second tank and the final equilibrium pressure of the carbon monoxide.arrow_forwardThere are 1.5 kgm of gas for which R=0.377kJ/kg-K and k=1.3 that undergo an isometric process from an initial state of 550kPa and 60C. During the process there are 1500kJ of heat removed from the gas. Find the change in enthalphy (kJ)arrow_forward2. The gas expanding in the combustion space of a reciprocating engine has an initial pressure of 5o bar and an initial temperature of 1623 C. The initial volume is 50000 mm' and the gas expands through a volume ratio of 20 according to the law pV = constant. Calculate w and AU Take R = 270 J/Kg K and C, = 800 J/Kg K. Assume n = 1.38arrow_forward
- What is the internal energy of 2.2 kg of dry saturated steam at 11 bars ?arrow_forwardAt 1.2 Mpa, a mixture of saturated steam and liquid water exists in equilibrium.If the specific enthalpy of the mixture is 1700 kJ/kg. Determine the temperature ofmixture. Calculate the quality of steam, percent moisture content of the mixture,specific volume, specific internal energy and specific entropy.arrow_forwardA diving air tank bottle with volume 11.37lt contains 2.4kgr of N2 and 0.6 kgr of 02. Calculate the pressure of the vessel at temperature 300K. The molecular weight of nitrogen (N2) is 28 kgr/kmol and the molecular weight of oxygen is 32 kgr/kmol. The ideal gas constant is 8.314 kJ/(kmol.K). Provide your answer in bars (105Pa).arrow_forward
- The combustion in a gasoline engine may be approximated by a constant volume heat addition process, and the contents of the combustion chamber both before and after combustion as air. The conditions are 1.80 MPa and 450°C before the combustion and 1500°C after it. Determine the pressure at the end of the combustion process.arrow_forwardThermodynamicsarrow_forwardThe tank contains 2kg of water at 20C, 1 atm. The tank is heated. When the tank pressure reaches 300kpa, the valve opens and steam starts escaping. Heating continues and steam continues to escape while the pressure remains constant until half of the mass escapes. At this time the tank is filled with saturated vapor at 300 kpa, and the valve closes. Question: Determine the volume of the tank and the amount of supplied heat.arrow_forward
- A gas with y = 1.38 undergoes an adiabatic compression during which its pressure triples. Question / By what factor does its volume change ? V2 V1arrow_forward17.pdf A tank with a volume of 3 m³ is filled with helium at 45°C and 230 kPa is connected through a valve to anothen tank containing 4.4 kg of helium at 90°C and 260 kPa. Now the valve is opened, and the entire system. If the final temperature of the entire system is 20°C, determine the volume of the second tank and the final equilibrium pressure of the helium.arrow_forwardAt 645.3 kPa and 151.2°C, steam leaves an industrial boiler. When the calorimeter pressure reaches 104.3 kPa, a part of the steam is fed through a throttling calorimeter and expelled to the atmosphere. If the steam temperature at the calorimeter is 113.8°C, a. how much moisture is exiting the boiler container? b. If the mass of the saturated liquid is 15 kg, calculate the mass of the saturated vapor. 645.3 kPa and 151.2°C: hf = 624.56 kJ/kg hfg = 2123.3 kJ/kg @ 104.3 kPa and 113.8°C: h2 = 2506.7 kJ/kgarrow_forward
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