Numerical Investigation of Flow around Two Tandem Identical Trapezoidal Cylinders

Table 1

Comparison of integral parameters.

Examples	Δd/D	Re (×10^3)	Cd,avg	St	Cd,tms	Cl,rms	Cpb	Lr
Square cylinder	0.0213	22	2.11	0.132	0.25	1.35	−1.68	1.31
	0.0355	22	2.09	0.133	0.24	1.39	−1.62	1.33
Trapezoidal cylinder	0.0213	22	2.62	0.143	0.20	1.62	−1.70	1.23
	0.0355	22	2.59	0.140	0.20	1.61	−1.68	1.28
Lyn et al. [23] (Exp)		21.4	2.10	0.130	—	—	−1.60	1.38
Norberg [24] (Exp)		22	2.10	0.130	—	—	−1.37	—
Sohankar [25] (LES)		22	2.32	0.132	0.20	1.54	−1.63	—
Srinivas et al. [26] (LES)		21.4	2.03	0.130	0.18	1.29	—	1.31
Zhou et al. [27] (LES)		22	2.27	0.122	0.29	1.40	−1.61	1.37
Atsushi and Okajima [28] (Exp)		20	—	0.133	—	—	—	—
Luo et al. [1] (Exp)		34	2.51	0.140	—	—	−1.87	1.26