Optimization Study of the Dump Diffuser in Gas Turbine to Reduce Pressure Loss

Table 9

Diffuser performance parameters ().

	Case 1	Case 2	Case 3	Case 4	Case 5	Case 6	Case 7	Case 8
Inlet flow rate (kg/s)	1.096	1.096	1.096	1.096	1.096	1.096	1.096	1.096
Inlet pressure (kPa)	364	364	364	364	364	364	364	364
Bleeding pressure (kPa)	365.9	362.6	357.5	350.2	344.7	334.5	320.6	308.7
Bleeding percentage (%)	0.00	0.30	0.45	0.58	0.72	0.82	0.93	1.01
(%)	3.03	3.08	3.05	3.14	2.91	3.31	3.37	3.29
(%)	33.77	32.81	33.38	31.48	36.16	28.18	26.91	28.57