TY - JOUR
T1 - Experimental optimization of the vanes geometry for a variable geometry turbocharger (VGT) using a Design of Experiment (DoE) approach
AU - Cuijpers, M.
AU - Boot, M.
AU - Hatami, M.
PY - 2015/11/15
Y1 - 2015/11/15
N2 - In this paper, central composite design (CCD) based on Design of Experiment (DoE) is applied to obtain an
optimal design of the vane geometry for a variable geometry turbine (VGT). The design is tested at four
different pressure ratios (1.25, 1.5, 1.75 and 2.0) on a Garrett GT1541V turbocharger. Seventeen different
cases for the inlet guide vanes are proposed. All cases, each having a unique combination of vane height,
thickness, length and angle, has been produced via 3D printing. The goal of this study is to ascertain how
vane geometry impacts turbine efficiency, so as to arrive at the ideal configuration for this specific turbine
for the investigated range of operating conditions. As a main outcome, the results demonstrate that the
applied vane angle has the strongest impact on the turbine efficiency, with smaller angles yielding the
most favorable results. After CCD analysis, an optimized design for the vanes geometry with 76.31%
efficiency (averagely in all pressures) is proposed. As a final step, all cases are analyzed from a free space
parameter (FSP) perspective, with the theoretically optimal design (e.g., FSP < 5) corresponding nicely to
the best experimental results.
AB - In this paper, central composite design (CCD) based on Design of Experiment (DoE) is applied to obtain an
optimal design of the vane geometry for a variable geometry turbine (VGT). The design is tested at four
different pressure ratios (1.25, 1.5, 1.75 and 2.0) on a Garrett GT1541V turbocharger. Seventeen different
cases for the inlet guide vanes are proposed. All cases, each having a unique combination of vane height,
thickness, length and angle, has been produced via 3D printing. The goal of this study is to ascertain how
vane geometry impacts turbine efficiency, so as to arrive at the ideal configuration for this specific turbine
for the investigated range of operating conditions. As a main outcome, the results demonstrate that the
applied vane angle has the strongest impact on the turbine efficiency, with smaller angles yielding the
most favorable results. After CCD analysis, an optimized design for the vanes geometry with 76.31%
efficiency (averagely in all pressures) is proposed. As a final step, all cases are analyzed from a free space
parameter (FSP) perspective, with the theoretically optimal design (e.g., FSP < 5) corresponding nicely to
the best experimental results.
U2 - 10.1016/j.enconman.2015.10.040
DO - 10.1016/j.enconman.2015.10.040
M3 - Article
SN - 0196-8904
VL - 106
SP - 1057
EP - 1070
JO - Energy Conversion and Management
JF - Energy Conversion and Management
ER -