fig08_01 goal: want to generate 1000 mw (1x10 6 kj/s) of electricity

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Fig08_01 Fig08_01 Goal: Want to generate 1000 MW (1x10 6 kJ/s) of Electricity

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Page 1: Fig08_01 Goal: Want to generate 1000 MW (1x10 6 kJ/s) of Electricity

Fig08_01

Fig08_01Goal: Want to generate 1000 MW (1x106 kJ/s) of Electricity.

Page 2: Fig08_01 Goal: Want to generate 1000 MW (1x10 6 kJ/s) of Electricity

1 2

4 3

Consider a system similar to what the components that we’ve just analyzed in class.

Assume ideal conditions initially

Look up state 2 properties

Page 3: Fig08_01 Goal: Want to generate 1000 MW (1x10 6 kJ/s) of Electricity

1 2

4 3

Consider a system similar to what the components that we’ve just analyzed in class.

Assume ideal conditions initially

Look up state properties

Page 4: Fig08_01 Goal: Want to generate 1000 MW (1x10 6 kJ/s) of Electricity

1 2

4 3

Consider a system similar to what the components that we’ve just analyzed in class.

How to address actual conditions?A) Measure/observe any two independent

state properties and look up the rest.B) Use reasonable efficiency estimates

for each device

Page 5: Fig08_01 Goal: Want to generate 1000 MW (1x10 6 kJ/s) of Electricity

1 2

4 3

Consider a system similar to what the components that we’ve just analyzed in class.

How to address actual conditions?A) Measure/observe any two independent

state properties and look up the rest.B) Use reasonable efficiency estimates

for each device

Page 6: Fig08_01 Goal: Want to generate 1000 MW (1x10 6 kJ/s) of Electricity

Performance ?

Page 7: Fig08_01 Goal: Want to generate 1000 MW (1x10 6 kJ/s) of Electricity

Fig08_01

Fig08_01Goal: Want to generate 1000 MW (1x106 kJ/s) of Electricity.

Page 8: Fig08_01 Goal: Want to generate 1000 MW (1x10 6 kJ/s) of Electricity

How much fuel is required to run a 1000 MW power plant?What are the C02 and other emissions?

Page 9: Fig08_01 Goal: Want to generate 1000 MW (1x10 6 kJ/s) of Electricity

How much fuel is required to run a 1000 MW power plant?What are the C02 and other emissions?

1.) Given state variables, determine Ideal and Actual performances

Performance ?

Page 10: Fig08_01 Goal: Want to generate 1000 MW (1x10 6 kJ/s) of Electricity

How much fuel is required to run a 1000 MW power plant?What are the C02 and other emissions?

1.) Given state variables, determine Ideal and Actual performances2.) Determine the mass flow rate for 1000 MW generation

Page 11: Fig08_01 Goal: Want to generate 1000 MW (1x10 6 kJ/s) of Electricity
Page 12: Fig08_01 Goal: Want to generate 1000 MW (1x10 6 kJ/s) of Electricity

How much fuel is required to run a 1000 MW power plant?What are the C02 and other emissions?

1.) Given state variables, determine Ideal and Actual performances2.) Determine the mass flow rate for 1000 MW generation

Page 13: Fig08_01 Goal: Want to generate 1000 MW (1x10 6 kJ/s) of Electricity

How much fuel is required to run a 1000 MW power plant?What are the C02 and other emissions?

1.) Given state variables, determine Ideal and Actual performances2.) Determine the mass flow rate for 1000 MW generation3.) Determine Boiler fuel requirements

Page 14: Fig08_01 Goal: Want to generate 1000 MW (1x10 6 kJ/s) of Electricity
Page 15: Fig08_01 Goal: Want to generate 1000 MW (1x10 6 kJ/s) of Electricity

How much fuel is required to run a 1000 MW power plant?What are the C02 and other emissions?

1.) Given state variables, determine Ideal and Actual performances2.) Determine the mass flow rate for 1000 MW generation3.) Determine Boiler fuel requirements

Page 16: Fig08_01 Goal: Want to generate 1000 MW (1x10 6 kJ/s) of Electricity

How much fuel is required to run a 1000 MW power plant?What are the C02 and other emissions?

1.) Given state variables, determine Ideal and Actual performances2.) Determine the mass flow rate for 1000 MW generation3.) Determine Boiler fuel requirements

What about Boiler efficiency? Say 85% efficient implies:

Page 17: Fig08_01 Goal: Want to generate 1000 MW (1x10 6 kJ/s) of Electricity

How much fuel is required to run a 1000 MW power plant?What are the C02 and other emissions?

1.) Given state variables, determine Ideal and Actual performances2.) Determine the mass flow rate for 1000 MW generation3.) Determine Boiler fuel requirements4.) Determine chemical balance

Page 18: Fig08_01 Goal: Want to generate 1000 MW (1x10 6 kJ/s) of Electricity

How much fuel is required to run a 1000 MW power plant?What are the C02 and other emissions?

1.) Given state variables, determine Ideal and Actual performances2.) Determine the mass flow rate for 1000 MW generation3.) Determine Boiler fuel requirements4.) Determine chemical balance

Assume Coal (the dominant fuel source) is used with a heatingvalue of 5,500 kJ/kg coal.

Page 19: Fig08_01 Goal: Want to generate 1000 MW (1x10 6 kJ/s) of Electricity
Page 20: Fig08_01 Goal: Want to generate 1000 MW (1x10 6 kJ/s) of Electricity

How much fuel is required to run a 1000 MW power plant?What are the C02 and other emissions?

1.) Given state variables, determine Ideal and Actual performances2.) Determine the mass flow rate for 1000 MW generation3.) Determine Boiler fuel requirements4.) Determine chemical balance

Assume Coal (the dominant fuel source) is used with a heatingvalue of 5,500 kJ/kg coal.

Page 21: Fig08_01 Goal: Want to generate 1000 MW (1x10 6 kJ/s) of Electricity

A coal train car has a carry capacity ofApproximately 100,000 kg/car

Page 22: Fig08_01 Goal: Want to generate 1000 MW (1x10 6 kJ/s) of Electricity

A coal train car has a carry capacity ofApproximately 100,000 kg/car

In 1999 the average train could pull 70 coal cars. Consequently, about 10 train deliveries per day are required to run the power plant!

Page 23: Fig08_01 Goal: Want to generate 1000 MW (1x10 6 kJ/s) of Electricity