Date of download: 10/22/2017 Copyright © ASME. All rights reserved. From: Computational Fluid Dynamics Investigation of Turbulent Flow Inside a Rotary Double External Gear Pump J. Fluids Eng. 2014;137(2):021101-021101-8. doi:10.1115/1.4028186 Figure Legend: Schematic geometry of the double gear pump

Date of download: 10/22/2017 Copyright © ASME. All rights reserved. From: Computational Fluid Dynamics Investigation of Turbulent Flow Inside a Rotary Double External Gear Pump J. Fluids Eng. 2014;137(2):021101-021101-8. doi:10.1115/1.4028186 Figure Legend: A sample snapshot of the deformed numerical grid used to simulate the flow within the gear pump during the rotation of gears. First row: the entire numerical domain; second row: grid close-ups (a) between the left driven and driving gears, (b) near the lower right outlet port, and (c) around the right driven gear.

Date of download: 10/22/2017 Copyright © ASME. All rights reserved. From: Computational Fluid Dynamics Investigation of Turbulent Flow Inside a Rotary Double External Gear Pump J. Fluids Eng. 2014;137(2):021101-021101-8. doi:10.1115/1.4028186 Figure Legend: Comparison of volumetric flow rate (l/min) for various outlet pressures obtained from present study and experimental data [32]: (a) default gap-size and (b) reduced gap-size

Date of download: 10/22/2017 Copyright © ASME. All rights reserved. From: Computational Fluid Dynamics Investigation of Turbulent Flow Inside a Rotary Double External Gear Pump J. Fluids Eng. 2014;137(2):021101-021101-8. doi:10.1115/1.4028186 Figure Legend: Pressure contours (Pa) within the pump and the qualitative directions of applied forces on the driven gears at Po = 40 bar and N = 2000 rpm

Date of download: 10/22/2017 Copyright © ASME. All rights reserved. From: Computational Fluid Dynamics Investigation of Turbulent Flow Inside a Rotary Double External Gear Pump J. Fluids Eng. 2014;137(2):021101-021101-8. doi:10.1115/1.4028186 Figure Legend: Four snapshots of streamlines, velocity vectors, and contours of velocity magnitude during a complete cycle between the entrance and exit of two adjacent gears through: (a)–(d) the upper-left discharge chamber, (e)–(h) the lower-left suction chamber, respectively, at Po = 40 bar and N = 2500 rpm. The track of two specified moving teeth on the driving and driven gears during the cycle are marked by two solid rectangles.

Date of download: 10/22/2017 Copyright © ASME. All rights reserved. From: Computational Fluid Dynamics Investigation of Turbulent Flow Inside a Rotary Double External Gear Pump J. Fluids Eng. 2014;137(2):021101-021101-8. doi:10.1115/1.4028186 Figure Legend: Snapshots of the pressure contours (bar) and the occurrence of the minimum and maximum pressures inside the pump: (a) offline operation, Po = 2 bar, (b) Po = 80 bar, and N = 2000 rpm

Date of download: 10/22/2017 Copyright © ASME. All rights reserved. From: Computational Fluid Dynamics Investigation of Turbulent Flow Inside a Rotary Double External Gear Pump J. Fluids Eng. 2014;137(2):021101-021101-8. doi:10.1115/1.4028186 Figure Legend: Time variation of total inlet and outlet volumetric flow rates (l/min) at Po = 80 bar and N = 2000 rpm

Date of download: 10/22/2017 Copyright © ASME. All rights reserved. From: Computational Fluid Dynamics Investigation of Turbulent Flow Inside a Rotary Double External Gear Pump J. Fluids Eng. 2014;137(2):021101-021101-8. doi:10.1115/1.4028186 Figure Legend: Characteristic curves of the gear pump, variation of the volumetric flow rate (l/min) as a function of pressure outlet for various rotational speeds

Date of download: 10/22/2017 Copyright © ASME. All rights reserved. From: Computational Fluid Dynamics Investigation of Turbulent Flow Inside a Rotary Double External Gear Pump J. Fluids Eng. 2014;137(2):021101-021101-8. doi:10.1115/1.4028186 Figure Legend: Contours of the velocity magnitude (m/s) and internal leakage of the gear pump between the left driving and driven gears at Po = 40 bar and N = 1500 rpm

Date of download: 10/22/2017 Copyright © ASME. All rights reserved. From: Computational Fluid Dynamics Investigation of Turbulent Flow Inside a Rotary Double External Gear Pump J. Fluids Eng. 2014;137(2):021101-021101-8. doi:10.1115/1.4028186 Figure Legend: Modified values of volumetric flow rate (l/min) after reducing the gap-size by 9 μm at Po = 40 bar and N = 2500 rpm

Date of download: 10/22/2017 Copyright © ASME. All rights reserved. From: Computational Fluid Dynamics Investigation of Turbulent Flow Inside a Rotary Double External Gear Pump J. Fluids Eng. 2014;137(2):021101-021101-8. doi:10.1115/1.4028186 Figure Legend: Contours of vapor volume fraction at an instant of time at Po = 40 bar and N = 4000 rpm