Effect of the cross-flow wake on the hydrodynamic performance of the HSP propeller by the CFD solver

Figures & data

Table 1. Main dimensions of the HSP propeller.

Propeller full scale	HSP
Number of blades (Z) [–]	5
Diameter (D) [m]	3.6
Boss ratio (r/R) [–]	0.1972
Blade thickness ratio [–]	0.0496
Expanded area ratio (Ae/A0) [–]	0.7
Rake [deg]	−3.03
Skew at tip [m]	1.3367
Blade section	Modified SRI-B
Design advance coefficient (J) [–]	0.85
Material [-]	AlBC3 (Ni–Al–Bz)

Figure 1. Computational domain.

Figure 2. Mesh generation of the propeller.

Table 2. Different meshes and dependency.

J		Coarse	Medium	Fine	Finer
0.5	Mesh number	618,843	1,342,252	2,834,796	3,756,723	Exp.
	$K_{TX}$	0.217424	0.234922	0.247584	0.248173	0.249913
	Error $K_{TX}$	13%	6%	0.93%	0.7%
	$K_Q$	0.033286	0.036421	0.039687	0.039247	0.039
	Error $K_Q$	14.65%	6.61%	1.76%	0.63%

Figure 3. Comparison of open-water characteristics.

Figure 4. Contour of wake flow applied to the propeller.

Figure 5. Comparison of pressure distribution at different radiuses (J = 0.85).

Figure 6. Comparison of thrust coefficient of the one blade and whole blades during one cycle (J = 0.85).

Figure 7. Comparison of torque coefficient of the one blade and whole blades during one cycle (J = 0.85).

Figure 8. Comparison of thrust coefficient of the one blade and whole blades during one cycle (J = 0.6).

Figure 9. Comparison of torque coefficient of the one blade and whole blades during one cycle (J = 0.6).

Figure 10. Effect of the cross-flow wake on the total thrust coefficient during one cycle (J = 0.85).

Figure 11. Effect of the cross-flow wake on the total torque coefficient during one cycle (J = 0.85).

Figure 12. The streamlines at downstream of the three and five-blade HSP propellers.