Answered: Problem 2 A piston-cylinder device… | bartleby

Sustainable Energy

Sustainable Energy

2nd Edition

ISBN:9781337551663

Author:DUNLAP, Richard A.

Publisher:DUNLAP, Richard A.

Chapter17: Energy Conservation

Section: Chapter Questions

Problem 14P

See similar textbooks

Related questions

Question

Help with homework

Problem 2
A piston-cylinder device contains steam initially at 1 MPa, 450°C, and 3 m³. Steam is allowed to
cool at constant pressure until it first starts condensing. Show the process on a 7-v diagram with
respect to saturation lines and determine
(a) the mass of the steam,
(b) the final temperature, and
(c) the amount of heat transfer.
P₁ = 1 MPa
T₁ = 450°C
P=const
sat vap.
Cool
√₁ = 3 m³
Steam
1 MPa
450°C
3 m³

Expert Solution

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Blurred answer

Similar questions

(a) Glycerine at 25 °C flows through a straight copper tube (D = 73.8 mm), at a flow rate of 180 L/min. Calculate the pressure difference between 2 points which are 25.8 m apart, if the first point is 0.68 m below the second point. Gven: At 25 °C density and dynamic viscosity for glycerine is 1286kg/ and 0.96 Pa.s respectively(b) If benzene at 50 °C is used in question (a) above instead of glycerine, evaluate the new pressure difference. ...
plzzzz help meee right nowww plzzz what will be the pressure gradient (kpa/m) at L=30 cm through the nozzle? At L=0, the liquid flows inside the nozzle has a specific gravity S=7.5, at L=0, the velocity is 2 m/s while at L=70 cm, the velocity is 6 m/s. Assume steady and inviscid flow. The velocity varies linearly with distance through the nozzle
A vertical circular stack 30 m high converges uniformly from a diameter of 6 m at the bottom and 4.5 m at the top. Gas with a unit weight of 0.12 N per cubic meter enters the bottom of the tank with a uniform velocity of 0.334 m/sec enters the stack. The unit weight increases by 7.5 percent every 2 meters. Find the velocity of flow at every 5 meters along the stack. Graph velocity at the abscissa against height at the ordinate (PLEASE USE COMPLETE SOLUTION AND FIGURES)
fluid mechanics subject An open cylindrical tank contains 1.2 m of salt water (sp.gr = 1.03), 0.9 m of gasoline (sp.gr = 0.70) and 1.2 m ofoil (sp.gr= 0.85).2. Determine the pressure 2.5 m below the liquid surface
A pressure gage at elevation 12 m at the side of the tank containing liquid reads 100 kPa. Another gage at elevation 7 m reads 140 kPa.Compute the specific weight of the liquid in kN/cu.m
Water is pumped up from a reservoir to a smaller holding tank. If the flow rate through the pipe is 50 LPM, find the NPSH available immediately before the pump. The length of the pipe from the reservoir to the pump is 13.1 meters, and its diameter is 2.8 cm. The distance is h2=6.8 m. Assume a friction factor of 0.021. The vapor pressure of water at the current temperature is 2,399 Pa. Current atmospheric pressure is 95,194 Pa. The density of water is 991 kg/m^3
0.05 kg of steam at 1.5 MPa is contained in a rigid vessel of volume of 0.0076 m^3. A. What is the temperature of the steam? B. If the vessel is cooled, at what temperature will the steam be just dry and saturated? C. Cooling is continued until the pressure in the vessel is 1.1 MPa, calculate the amount of vapor at this point. D. Calculate the amount of heat rejected between the initial and the final state. E. Draw the Ts diagram of the whole process.
A sealed vertical cylinder 1.2m in diameter and 3m high is filled with gasoline whose density is 740 kg / m ^ 3. The tank is now rotated around its vertical axis at the rate of 70 rpm. Determine the difference between the pressures at the center and the edge of the bottom surface.
The cylindrical tank with hemispherical ends shown contains a volatile liquid and its vapor. the liquid density is 0.87 and its vapor density is negligible. The pressure in the vapor is 119 kPa (abs), and the atmospheric pressure is 101 kPa (abs). (a.) Determine the gage pressure reading on the pressure gage in kPa. (b.) Determine hte height, h, of the mercury manometer in centimeters.
a) Determine the velocity at which water leaves the tank.b) Determine the mass flow-rate at which water leaves the tank.c) Determine the pressure at point B (report your answer in Pa).d) Given that the diameter at the constriction is 2.4 in, determine the pressure at point A.e) Given that the water is at 50 oC, and that the vapor pressure of water is 12.3 kPa at that temperature, state whether cavitation is likely to occur at A?
A storage tank of a treatment water has a holding capacity of 750 m' up to an overflow point. The treatment water having silica content of 0.003 mg /L is flowing in to a tank at a rate of 30 L/sec. the out flow from the tank to the high pressure boilers is 30 L/sec. With time the quality of treatment water increased to 0.025 mg/L. Assuming that the inflow in to and out flow from the tank remains constant at 30 L/sec, calculate the time required for the silica content in the storage tank to increase to 0.01 mg/L.
A tank contains gasoline sp. gr. = 0.90, oil sp. gr. = 0.8, and seawater sp.gr. = 1.03. If the depths of the liquids are 0.5 m. for oil, 0.6 m. gasoline, 1 mseawater. respectively. Find the pressure IN kPa at a depth of 1.4 m. Use 3decimal places.

SEE MORE QUESTIONS

Recommended textbooks for you

Sustainable Energy

Sustainable Energy

Civil Engineering

ISBN:

9781337551663

Author:

DUNLAP, Richard A.

Publisher:

Cengage,

Sustainable Energy

Sustainable Energy

Civil Engineering

ISBN:

9781337551663

Author:

DUNLAP, Richard A.

Publisher:

Cengage,

SEE MORE TEXTBOOKS