Gas Power Systems Nick DiFilippo. Spark Ignition Compression Ignition Compression Ratio.

19
Gas Power Systems Nick DiFilippo

Transcript of Gas Power Systems Nick DiFilippo. Spark Ignition Compression Ignition Compression Ratio.

Gas Power SystemsNick DiFilippo

• Spark Ignition• Compression Ignition• Compression Ratio

𝑚𝑒𝑎𝑛𝑒𝑓𝑓𝑒𝑐𝑡𝑖𝑣𝑒𝑝𝑟𝑒𝑠𝑠𝑢𝑟𝑒=𝑛𝑒𝑡𝑤𝑜𝑟𝑘 𝑓𝑜𝑟 𝑜𝑛𝑒𝑐𝑦𝑐𝑙𝑒𝑑𝑖𝑠𝑝𝑙𝑎𝑐𝑒𝑚𝑒𝑛𝑡 𝑣𝑜𝑙𝑢𝑚𝑛𝑒

Air Standard Otto CycleQ

Q

Q

Q

Air Standard Diesel Cycle Q

Q

Q

Q

Cold air standardAir standard

Comparison of Otto and Diesel Cycle

Air Standard Dual Cycle

Q

Q

Q

Q

QQ

Gas Turbine Power Plants

Air Standard Brayton Cycle

Actual Gas Turbine

T1 = 300Kh1 = 300.19 kJ/kgPr1 = 1.3860

State 1

T2s = 540Kh2s = 544.24 kJ/kg

State 2s State 3

T3 = 1300Kh3 = 1395.97kJ/kgPr3 = 330.9

T4s = 720.2Kh4s = 789.37 kJ/kg

State 4s

Brayton With RegenerationT4>T2

T1 = 300Kh1 = 300.19 kJ/kgPr1 = 1.3860

State 1

T2s = 540Kh2s = 544.24 kJ/kg

State 2s State 3

T3 = 1300Kh3 = 1395.97kJ/kgPr3 = 330.9

T4s = 720.2Kh4s = 789.37 kJ/kg

State 4s

State 2 State 4

T4 = 853Kh4 = 880.36 kJ/kg

T2 = 598Kh2 = 605.39 kJ/kg

Brayton with Intercooling, Reheating and Regeneration

Reheat