People in Canada’s Arctic often use Diesel generators to make electricity. Calculate the Carnot efficiency of...
People in Canada’s Arctic often use Diesel generators to make electricity. Calculate the Carnot efficiency of a Diesel generator in the Arctic on a day when the an air temperature is -39oC. Assume Diesel burns in this engine at 2,300oC. (Answer as a decimal instead of a percent)
Homework Answers
Carnot efficiency near equals
to 0.909.Add Answer to:
People in Canada’s Arctic often use Diesel generators to make
electricity. Calculate the Carnot efficiency of...
Hospitals typically require backup generators to provide electricity in the event of a power outage. A...
Hospitals typically require backup generators to provide electricity in the event of a power outage. A certain hospital has two backup generators, so that power is still available if one of them fails during a power outage. These generators operate independently, so that if one backup fails, the failure will not affect the operation of the other generator. Assume that both emergency backup generators are the same make and model, which is known to fail 21% of the times when...
7.26. The conversion of the kinetic energy of wind to electricity may be an attractive altemative...
7.26. The conversion of the kinetic energy of wind to electricity may be an attractive altemative to the use of fossil fuels. Typically, wind causes the rotor of a turbine to turn, and a generator converts the rotational kinetic energy ofthe rotor into electricity. Power generated by a wind turbine (Ws) can be estimated from the density of the air (p), wind speed (u), and turbine rotor diameter (D) using the following formula лD? 1 W. ти* х п, where...
4. An Ideal diesel engine has a compression ratio of 20 and uses air as the...
4. An Ideal diesel engine has a compression ratio of 20 and uses air as the working fluid. The state of air at the beginning of the compression process is 95kPa and 20°C. If the maximum temperature in the cycle is not to exceed 2200K, determine a) the thermal efficiency and b) the mean effective pressure. Assume constant specific heats for air at room temperature. 5. An aircraft engine operates on a simple ideal Brayton cycle with a pressure ratio...
Do problem 9.128E using variable specific heat assumptions instead of constant. Please don't use constant specific...
Do problem 9.128E using
variable specific heat assumptions instead of constant.
Please don't use constant specific heat
assumption
Solution 9.128E Problem Statement Reconsider Prob. 9–127E. Determine the change in the rate of heat addition to the cycle when the isentropic efficiency of each compressor is 88 percent and that of each turbine is 93 percent. Problem 9.127E A gas turbine operates with a regenerator and two stages of reheating and intercooling. Air enters this engine at 14 psia and 60°F;...
1. Calculate the primary NAAQS concentration limit for 502 in units of ug/m' at standard temperature...
1. Calculate the primary NAAQS concentration limit for 502 in units of ug/m' at standard temperature and pressure (STP:T - 25*C, P = 1 atm). 2. Fuel X9-6000 is 95.8% efficient in an airplane engine. The unburned fuel leaves as VOCS in the exhaust. For each kg of fuel X9-6000 (Molecular Weight, MW-98), the engine exhausts 20 kg of gases (MW = 28 g/mol). What is the fraction of VOCs in the exhaust (ppm)? ncinerator burns 30 tonnes of plastic...
To reduce building heating costs, modern building codes in many parts of the country require the...
To reduce building heating costs, modern building codes in many parts of the country require the use of double-pane windows (sometimes, called "double-glazed" or "thermopane" windows). Ivpically, a double-pane window consists of two panes of glass separated by a space that contains trapped stagnant air. In one design of a double-pane window, each glass layer is 0.7 cm thick, the stagnant air layer is 2 cm thick, and the area is 4 m2 In the living room of a large...
I figured out the first question but im not sure how to answer question 2 and 3?
i
figured out the first question but im not sure how to answer
question 2 and 3?
i
have figured out question 2. Question #3 is what is diffcult to
grasp because i have to guess my Fo #. Fo=time
1. To reduce building heating costs, modern building codes in many parts of the country require the use of double-pane windows (sometimes, called "double-glazed" or "thermopane" windows). Some of In one design of a double-pane window, each glass layer is...
Section: PRELIMINARY QUESTIONS (To be answered BEFORE coming to tav. 1. State the qualitative relationship between...
Section: PRELIMINARY QUESTIONS (To be answered BEFORE coming to tav. 1. State the qualitative relationship between the amount of gas in your car tire and the pressure in that tire. When a spark plug fires in your car's engine two things happen as the gas burns--the gas gets hotter and more molecules of gas are produced. For ex- ample,... 2 CgH18 + 25 02 16 CO2 + 18 H20 a) which way does the piston move and how does the...
Hi can you help me make a summary about this short article and how it affects...
Hi can you help me make a summary about this short article and
how it affects me economically as US citizen?
U.S. Carbon Emissions Surged in 2018 Even as Coal Plants
Closed
Passenger planes at the Phoenix airport in July. Greenhouse gas
emissions from airplanes and trucking increased sharply in
2018.CreditAngus Mordant/Bloomberg
Image
Passenger planes at the Phoenix airport in July. Greenhouse gas
emissions from airplanes and trucking increased sharply in
2018.CreditCreditAngus Mordant/Bloomberg
By Brad
Plumer
Jan. 8, 2019
479...
How would calculate these questions? With it being on a word document not on excel. w...
How would calculate these questions? With it being on a word
document not on excel.
w 5 year di struct a table We stock price at Y in the perpetual growth a rale nel Grup to find out she cock price in ith price ralio vale divided by the tan stock price. Suppo to . Assume that a perpetual growth rate of 5 percent begins 11 years interpolate herween the high growth rate and perpetual growth rate shows the dividend...
7.26. The conversion of the kinetic energy of wind to electricity may be an attractive altemative to the use of fossil fuels. Typically, wind causes the rotor of a turbine to turn, and a generator converts the rotational kinetic energy ofthe rotor into electricity. Power generated by a wind turbine (Ws) can be estimated from the density of the air (p), wind speed (u), and turbine rotor diameter (D) using the following formula лD? 1 W. ти* х п, where...
4. An Ideal diesel engine has a compression ratio of 20 and uses air as the working fluid. The state of air at the beginning of the compression process is 95kPa and 20°C. If the maximum temperature in the cycle is not to exceed 2200K, determine a) the thermal efficiency and b) the mean effective pressure. Assume constant specific heats for air at room temperature. 5. An aircraft engine operates on a simple ideal Brayton cycle with a pressure ratio...
Do problem 9.128E using
variable specific heat assumptions instead of constant.
Please don't use constant specific heat
assumption
Solution 9.128E Problem Statement Reconsider Prob. 9–127E. Determine the change in the rate of heat addition to the cycle when the isentropic efficiency of each compressor is 88 percent and that of each turbine is 93 percent. Problem 9.127E A gas turbine operates with a regenerator and two stages of reheating and intercooling. Air enters this engine at 14 psia and 60°F;...
1. Calculate the primary NAAQS concentration limit for 502 in units of ug/m' at standard temperature and pressure (STP:T - 25*C, P = 1 atm). 2. Fuel X9-6000 is 95.8% efficient in an airplane engine. The unburned fuel leaves as VOCS in the exhaust. For each kg of fuel X9-6000 (Molecular Weight, MW-98), the engine exhausts 20 kg of gases (MW = 28 g/mol). What is the fraction of VOCs in the exhaust (ppm)? ncinerator burns 30 tonnes of plastic...
To reduce building heating costs, modern building codes in many parts of the country require the use of double-pane windows (sometimes, called "double-glazed" or "thermopane" windows). Ivpically, a double-pane window consists of two panes of glass separated by a space that contains trapped stagnant air. In one design of a double-pane window, each glass layer is 0.7 cm thick, the stagnant air layer is 2 cm thick, and the area is 4 m2 In the living room of a large...
i
figured out the first question but im not sure how to answer
question 2 and 3?
i
have figured out question 2. Question #3 is what is diffcult to
grasp because i have to guess my Fo #. Fo=time
1. To reduce building heating costs, modern building codes in many parts of the country require the use of double-pane windows (sometimes, called "double-glazed" or "thermopane" windows). Some of In one design of a double-pane window, each glass layer is...
Section: PRELIMINARY QUESTIONS (To be answered BEFORE coming to tav. 1. State the qualitative relationship between the amount of gas in your car tire and the pressure in that tire. When a spark plug fires in your car's engine two things happen as the gas burns--the gas gets hotter and more molecules of gas are produced. For ex- ample,... 2 CgH18 + 25 02 16 CO2 + 18 H20 a) which way does the piston move and how does the...
Hi can you help me make a summary about this short article and
how it affects me economically as US citizen?
U.S. Carbon Emissions Surged in 2018 Even as Coal Plants
Closed
Passenger planes at the Phoenix airport in July. Greenhouse gas
emissions from airplanes and trucking increased sharply in
2018.CreditAngus Mordant/Bloomberg
Image
Passenger planes at the Phoenix airport in July. Greenhouse gas
emissions from airplanes and trucking increased sharply in
2018.CreditCreditAngus Mordant/Bloomberg
By Brad
Plumer
Jan. 8, 2019
479...
How would calculate these questions? With it being on a word
document not on excel.
w 5 year di struct a table We stock price at Y in the perpetual growth a rale nel Grup to find out she cock price in ith price ralio vale divided by the tan stock price. Suppo to . Assume that a perpetual growth rate of 5 percent begins 11 years interpolate herween the high growth rate and perpetual growth rate shows the dividend...
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