From: A Helical Gear Pair Pocketing Power Loss Model Date of download: 10/14/2017 Copyright © ASME. All rights reserved. From: A Helical Gear Pair Pocketing Power Loss Model J. Tribol. 2014;136(2):021105-021105-11. doi:10.1115/1.4026502 Figure Legend: Transverse pocket geometry at different mesh positions

From: A Helical Gear Pair Pocketing Power Loss Model Date of download: 10/14/2017 Copyright © ASME. All rights reserved. From: A Helical Gear Pair Pocketing Power Loss Model J. Tribol. 2014;136(2):021105-021105-11. doi:10.1115/1.4026502 Figure Legend: (a) Discretization of the helical gear interface into narrow gear slices, and (b) a discretized instantaneous helical gear pocket across the face width

From: A Helical Gear Pair Pocketing Power Loss Model Date of download: 10/14/2017 Copyright © ASME. All rights reserved. From: A Helical Gear Pair Pocketing Power Loss Model J. Tribol. 2014;136(2):021105-021105-11. doi:10.1115/1.4026502 Figure Legend: (a) A coarse discretization of a transverse slice of the mesh pocket, and (b) a single quadrilateral for area analysis

From: A Helical Gear Pair Pocketing Power Loss Model Date of download: 10/14/2017 Copyright © ASME. All rights reserved. From: A Helical Gear Pair Pocketing Power Loss Model J. Tribol. 2014;136(2):021105-021105-11. doi:10.1115/1.4026502 Figure Legend: An example variation of (a) the end area, (b) the backlash-side area, and (c) the contact-side area of the control volume j of a pocket i with the mesh position ϑ for β = 0

From: A Helical Gear Pair Pocketing Power Loss Model Date of download: 10/14/2017 Copyright © ASME. All rights reserved. From: A Helical Gear Pair Pocketing Power Loss Model J. Tribol. 2014;136(2):021105-021105-11. doi:10.1115/1.4026502 Figure Legend: Multi-degree-of-freedom fluid dynamics model governing the helical gear pocketing problem

From: A Helical Gear Pair Pocketing Power Loss Model Date of download: 10/14/2017 Copyright © ASME. All rights reserved. From: A Helical Gear Pair Pocketing Power Loss Model J. Tribol. 2014;136(2):021105-021105-11. doi:10.1115/1.4026502 Figure Legend: (a) Pressure, (b) end velocity, (c) contact-side velocity, and (d) backlash-side velocity time histories for the example spur gear pair (β = 0 deg) at Ω = 3000 rpm and ξ = 0.05

From: A Helical Gear Pair Pocketing Power Loss Model Date of download: 10/14/2017 Copyright © ASME. All rights reserved. From: A Helical Gear Pair Pocketing Power Loss Model J. Tribol. 2014;136(2):021105-021105-11. doi:10.1115/1.4026502 Figure Legend: Side views of the spur gear pair of Fig. 6 at representative mesh positions. The pocket i of interest is marked with ⊗.

From: A Helical Gear Pair Pocketing Power Loss Model Date of download: 10/14/2017 Copyright © ASME. All rights reserved. From: A Helical Gear Pair Pocketing Power Loss Model J. Tribol. 2014;136(2):021105-021105-11. doi:10.1115/1.4026502 Figure Legend: Pressure and exit velocity time histories of the example spur gear pair at Ω = 4000 rpm for (a) ξ = 0.01 and (b) ξ = 0.05

From: A Helical Gear Pair Pocketing Power Loss Model Date of download: 10/14/2017 Copyright © ASME. All rights reserved. From: A Helical Gear Pair Pocketing Power Loss Model J. Tribol. 2014;136(2):021105-021105-11. doi:10.1115/1.4026502 Figure Legend: End exit velocity time histories of gear pairs with helix angles of (a) β = 0 deg, (b) β = 5 deg, (c) β = 15 deg, and (d) β = 30 deg at Ω = 3000 rpm and ξ = 0.05

From: A Helical Gear Pair Pocketing Power Loss Model Date of download: 10/14/2017 Copyright © ASME. All rights reserved. From: A Helical Gear Pair Pocketing Power Loss Model J. Tribol. 2014;136(2):021105-021105-11. doi:10.1115/1.4026502 Figure Legend: Pressure time histories of gear pairs with helix angles of (a) β = 0 deg, (b) β = 5 deg, (c) β = 15 deg, and (d) β = 30 deg at Ω = 3000 rpm and ξ = 0.05

From: A Helical Gear Pair Pocketing Power Loss Model Date of download: 10/14/2017 Copyright © ASME. All rights reserved. From: A Helical Gear Pair Pocketing Power Loss Model J. Tribol. 2014;136(2):021105-021105-11. doi:10.1115/1.4026502 Figure Legend: End exit velocity distributions of gear pairs with helix angles of (a) β = 0 deg, (b) β = 5 deg, (c) β = 15 deg, and (d) β = 30 deg at Ω = 3000 rpm and ξ = 0.05

From: A Helical Gear Pair Pocketing Power Loss Model Date of download: 10/14/2017 Copyright © ASME. All rights reserved. From: A Helical Gear Pair Pocketing Power Loss Model J. Tribol. 2014;136(2):021105-021105-11. doi:10.1115/1.4026502 Figure Legend: Variation of pocketing power loss with the (a) helix angle at ξ = 0.05, and (b) oil-to-air ratio at β = 30 deg