TY - GEN
T1 - Nitric oxide reduction in stationary power engines using oxy-combustion
AU - Van Blarigan, Andrew
AU - Seiser, Reinhard
AU - Kozarac, Darko
AU - Chen, J. Y.
AU - Dibble, Robert
AU - Cattolica, Robert
N1 - Publisher Copyright:
Copyright © (2012) by the Western States Section/Combustion Institute.
PY - 2012
Y1 - 2012
N2 - This study investigates nitric oxide (NOx) production in a spark-ignited, internal combustion piston engine under oxy-combustion conditions. An engine has been modified for oxycombustion operation, using either EGR or CO2 working fluid. Three parametric studies were carried to study NOx production levels under oxy-combustion conditions: changing N2 concentration, changing O2 concentration while leaving N2 constant, and investigating different working fluids and compression ratios. It was found that under constant power conditions, NOx production varies linearly with N2 concentration. Varying the oxygen concentration significantly altered the NOx production, though brake mean efficiencies of all cases were similar. CO2 working fluid produced better power and lower NOx than EGR working fluid, however, both cases showed that with 3% N2, current regulatory NOx levels cannot be attained while maintaining a reasonable COV IMEP.
AB - This study investigates nitric oxide (NOx) production in a spark-ignited, internal combustion piston engine under oxy-combustion conditions. An engine has been modified for oxycombustion operation, using either EGR or CO2 working fluid. Three parametric studies were carried to study NOx production levels under oxy-combustion conditions: changing N2 concentration, changing O2 concentration while leaving N2 constant, and investigating different working fluids and compression ratios. It was found that under constant power conditions, NOx production varies linearly with N2 concentration. Varying the oxygen concentration significantly altered the NOx production, though brake mean efficiencies of all cases were similar. CO2 working fluid produced better power and lower NOx than EGR working fluid, however, both cases showed that with 3% N2, current regulatory NOx levels cannot be attained while maintaining a reasonable COV IMEP.
UR - http://www.scopus.com/inward/record.url?scp=84943416224&partnerID=8YFLogxK
M3 - Conference contribution
AN - SCOPUS:84943416224
T3 - Western States Section of the Combustion Institute Spring Technical Meeting 2012
SP - 718
EP - 729
BT - Western States Section of the Combustion Institute Spring Technical Meeting 2012
PB - Western States Section/Combustion Institute
T2 - Western States Section of the Combustion Institute Spring Technical Meeting 2012
Y2 - 19 March 2012 through 20 March 2012
ER -