Partial pressure of air as a function

Assignment Help Mechanical Engineering
Reference no: EM13880821

The presence of a small amount of air may cause a significant reduction in the heat rate to a water-cooled steam condenser surface. For a clean surface with pure steam and the prescribed conditions, the condensate rate is 0.020 kg/m2 · s. With the presence of stagnant air in the steam, the condensate surface temperature drops from 28 to 24°C and the condensate rate is reduced by a factor of 2. For the air-steam mixture, determine the partial pressure of air as a function of distance from the condensate film. 

520_partial pressure of air as a function.jpg

Reference no: EM13880821

Questions Cloud

How much can students expect to make on graduation explain : How much can students expect to make on graduation? Explain. What variables (if any) affect how much a student can expect to make? Why/why not?
Determine the firm profit-maximizing output : Complying with more stringent environmental regulations increases the firm's fixed cost from 100 to 144. Would this affect the firm's output? Its supply curve?
What approaches could have yielded additional information : Review and reflect on the knowledge you have gained from this course. Based on your review and reflection, write at least three paragraphs- What were the most compelling topics learned in this course?
Factors that can affect whether training transfers : Identify and discuss the factors that can affect whether training transfers back to the job. Which two factors do you feel are the most important to ensure transfer
Partial pressure of air as a function : With the presence of stagnant air in the steam, the condensate surface temperature drops from 28 to 24°C and the condensate rate is reduced by a factor of 2. For the air-steam mixture, determine the partial pressure of air as a function of distanc..
How would each factor affect demand or supply : In 2009, the Japanese beer industry was affected by two economic events: (1) Japan's government imposed on producers a tax on all beer sold, and (2) consumer income fell due to the continuing economic recession. How would each factor affect (i.e.,..
Application of a thermal barrier coating : The performance of gas turbine engines may be improved by increasing the tolerance of the turbine blades to hot gases emerging from the combustor. One approach to achieving high operating temperatures involves application of a thermal barrier coat..
What trends do you believe will continue to advance : In 3-5 paragraphs, discuss the following: Discuss the anticipated short-term, long-term, and personal impacts of each trend. What trends do you believe will continue to advance and be embraced
What is the present value of your winnings : What is an opportunity cost rate and how is this rate used in time value analysis and what is the present value if the opportunity cost rate is 10 percent?

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  Turbine is proportional to the circular area swept

The average wind speed on the north Texas plains around Amarillo is approximately 6 m/s. An efficient wind turbine can convert 35% of the kinetic energy of the air (wind) into electrical energy at optimum conditions. If a turbine has blades 25 m in l..

  Following concepts related to exposure thresholds

Briefly explain the following concepts related to exposure thresholds: time-weighted average, short-term exposure limit, exposure ceiling, and biological exposure indices.

  Determine the acceleration of the mass center of the disk

a 4-in. diameter disk shown weighs 10 lb. the disk is released at rest when theta30 degrees and rolls down the curved

  A boiling-water-type nuclear fission reactor has shut down

a boiling-water-type nuclear fission reactor has shut down the backup pumps have failed and emergency cooling water

  Determine exergy destroyed and minimum work input process

A well-insulated rigid tank contains 1 kg of air at 30°C. A paddle wheel rotates inside the tank and increases the temperature of the air to 60°C. If the environment is at 100 kPa and 25°C, determine the exergy destroyed and the minimum work input fo..

  10 mol of an ideal gas at 5 atm at 298 k is stored in an

10 mol of an ideal gas at 5 atm at 298 k is stored in an insulated piston and cylinder arrangement. at these condition

  Calculate the thrust produced by the motor on a test

at rated thrust a liquid-fueled rocket motor consumes 180 lbms of nitric acid as oxidizer and 70 lbms of aniline as

  An air standard brayton cycle has inlet conditions of 540 r

an air standard brayton cycle has inlet conditions of 540 r and 14 .7 psia a compressor efficiencyof 85.86 and a

  Determine the work done during the process a by plotting

gas with an initial volume of 0.36 m3 is slowly compressed to a final volume of 0.16 m3 by a process during which the

  The rate of entropy production within the duct,

Air at 300 kPa, 63oC, and a velocity of 423 m/s enters an insulated duct of varying cross-sectional area. The air exits at 150 kPa, 88oC. At the inlet, the cross-sectional area is 6.57 cm2. Assuming the ideal gas model for the air and variable specif..

  Lbm block is pushed down a frictionless incline with a force

A 10 lbm block is pushed down a frictionless incline with a force of 5 lbf. the incline is 30 degrees relative to the horizontal. if the block starts from rest, what is its speed after it has been pushed 12 ft. Assume that gravity is 32.0 ft/ sec^2

  A window-mounted room air conditioner removes energy

A window-mounted room air conditioner removes energy by heat transfer from a room and rejects energy by heat transfer to the outside air. The air conditioner cycle requires a power input of 0.434 kW and has a coefficient of performance of 6.22.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd