TY - GEN
T1 - Characterisation of Steady Flow Regime and Drag Force on the Forward and Backward Facing Trapezoidal Cylinders
T2 - 46th National Conference on Fluid Mechanics and Fluid Power, FMFP 2019
AU - Bhunia, Akash
AU - Sikdar, Prabir
AU - Dash, Sunil Manohar
AU - Lua, Kim Boon
N1 - Publisher Copyright:
© 2021, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.
PY - 2021/8
Y1 - 2021/8
N2 - In this study, a two-dimensional, steady, incompressible and laminar flow over the forward and backward facing trapezoidal cylinder is numerically investigated at Reynolds number 20 and 40. Here, by varying the taper angle and axial length of the trapezoidal cylinder, the steady-state wake flow regime, separation bubble length and drag coefficient are characterised. It is noticed that the flow separation point can be at the front or rear edge corners of the trapezoidal cylinder depending upon its taper angle, axial length and flow Reynolds number. It is also observed that when Reynolds number of the flow around the trapezoidal cylinder is increased the separation bubble length increases and drag coefficient decreases in the presence of higher inertia effect.
AB - In this study, a two-dimensional, steady, incompressible and laminar flow over the forward and backward facing trapezoidal cylinder is numerically investigated at Reynolds number 20 and 40. Here, by varying the taper angle and axial length of the trapezoidal cylinder, the steady-state wake flow regime, separation bubble length and drag coefficient are characterised. It is noticed that the flow separation point can be at the front or rear edge corners of the trapezoidal cylinder depending upon its taper angle, axial length and flow Reynolds number. It is also observed that when Reynolds number of the flow around the trapezoidal cylinder is increased the separation bubble length increases and drag coefficient decreases in the presence of higher inertia effect.
KW - Ansys Fluent
KW - Flow-induced forces
KW - Laminar separation bubble
KW - Trapezoidal cylinder
UR - http://www.scopus.com/inward/record.url?scp=85113262191&partnerID=8YFLogxK
U2 - 10.1007/978-981-16-0698-4_52
DO - 10.1007/978-981-16-0698-4_52
M3 - Conference contribution
AN - SCOPUS:85113262191
SN - 9789811606977
T3 - Lecture Notes in Mechanical Engineering
SP - 481
EP - 489
BT - Fluid Mechanics and Fluid Power - Proceedings of FMFP 2019
A2 - Prabu, T.
A2 - Viswanathan, P.
A2 - Agrawal, Amit
A2 - Banerjee, Jyotirmay
PB - Springer Science and Business Media Deutschland GmbH
Y2 - 9 December 2019 through 11 December 2019
ER -