International Scholarly Research Notices

Research Article

An Experimental Analysis of the Fluid Dynamic Efficiency of a Production Spark-Ignition Engine during the Intake and Exhaust Phase

Table 3

Absolute and mean flow coefficients for the intake system-WOT configuration.
Analysed systemIntake
Throttle angle, F 90°
Absolute flow coefficient, 𝐶 𝑓 A b s 0.291
Absolute discharge coefficient, 𝐶 𝑑 A b s 0.469
Mean flow coefficient, 𝐶 𝑓 M e a n 0.330
Mean discharge coefficient, 𝐶 𝑑 M e a n 0.427
Maximum flow coefficient, 𝐶 𝑓 M a x 0.376
Maximum discharge coefficient, 𝐶 𝑑 M a x 0.559