Time-Resolved Nature of Exhaust Gas Emissions and Piston Wall Temperature Under Transient Operation in a Small Diesel Engine 960031
Diesel combustion and exhaust gas emissions under transient operation (when fuel amounts abruptly increased) were investigated under a wide range of operating conditions with a newly developed gas sampling system. The relation between gas emissions and piston wall temperatures was also investigated.
The results indicated that after the start of acceleration NOx, THC and smoke showed transient behaviors before reaching the steady state condition. Of the three gases, THC was most affected by piston wall temperature; its concentration decreased as the wall temperature increased throughout the acceleration except immediately after the start of acceleration. The number of cycles, at which gas concentrations reach the steady-state value after the start of acceleration, were about 1.2 times the cycle constant of the piston wall temperature for THC, and 2.3 times for smoke.
Citation: Reksowardojo, I., Ogawa, H., Miyamoto, N., Enomoto, Y. et al., "Time-Resolved Nature of Exhaust Gas Emissions and Piston Wall Temperature Under Transient Operation in a Small Diesel Engine," SAE Technical Paper 960031, 1996, https://doi.org/10.4271/960031. Download Citation
Author(s):
Iman K. Reksowardojo, Hideyuki Ogawa, Noboru Miyamoto, Yoshiteru Enomoto, Toru Kitamura
Affiliated:
Hokkaido Univ.
Pages: 10
Event:
International Congress & Exposition
ISSN:
0148-7191
e-ISSN:
2688-3627
Also in:
Investigations Into Diesel Engine Combustion Processes-SP-1159
Related Topics:
Pistons
Nitrogen oxides
Vehicle acceleration
Gases
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