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. 2025 Jan 6;15:983. doi: 10.1038/s41598-024-83211-y

Table 8.

Test engine specification.

Type Kirloskar, four stroke DI diesel engine
Bore × stroke 87.5 mm × 110 mm
Number of nozzle holes 3
Stroke volume 661 cc
Geometry of piston Hemispherical
Injection timing 23° bTDC
Injection pressure 200 bar
Cone angle of fuel spray 120°
Compression ratio 17.5:1
Nozzle spray hole diameter 0.3 mm
Inlet valve open 4.5° before TDC
Inlet valve close 35.5° after BDC
Rated power 4.4 kW
Rated speed 1500 rpm
Exhaust valve open 35.5° before BDC
Exhaust valve close 4.5° after TDC