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Keywords: blades
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Journal Articles
Article Type: Research Papers
J. Mech. Des. November 2011, 133(11): 111009.
Published Online: November 11, 2011
...), multiple objectives, and multiple constraints simultaneously by using the traditional Taguchi method and its extensions. The performance of the turbines is predicted using the axial momentum theory and the blade element momentum theory. In the parameter design stage, the energy output of the turbine...
Journal Articles
Article Type: Research Papers
J. Mech. Des. September 2011, 133(9): 091002.
Published Online: September 7, 2011
...Qi Fan In the blank design of spiral bevel and hypoid gears, the face cone is defined as an imaginary cone tangent to the tops of the teeth. Traditionally, the face cone element or generatrix is a straight line. On the other hand, the tooth root lines, which are traced by the blade tips...
Journal Articles
Article Type: Research Papers
J. Mech. Des. December 2010, 132(12): 121005.
Published Online: November 30, 2010
...Nikita Thakur; A. J. Keane; P. B. Nair; A. R. Rao This paper addresses the problem of analyzing measurement data to estimate the variations in turbine blade life in the presence of manufacturing variability. A methodology that employs existing denoising techniques, namely, Principal Component...
Journal Articles
Article Type: Research Papers
J. Mech. Des. November 2010, 132(11): 111012.
Published Online: November 16, 2010
... provide a fighter aircraft with a variable engine inlet capability. The reconfigurable rotor blade program demonstrated the ability of highly robust, controlled 55-Nitinol tube actuators to twist a rotor blade in a spin stand test to optimize rotor aerodynamic characteristics. The variable geometry...
Journal Articles
Article Type: Research Papers
J. Mech. Des. March 2010, 132(3): 031008.
Published Online: March 22, 2010
...Wei-Shiang Wang; Zhang-Hua Fong This paper proposes a new type of double-crowned helical gear that can be continuously cut on a modern Cartesian-type hypoid generator with two face-hobbing head cutters and circular-arc cutter blades. The gear tooth flank is double crowned with a cycloidal curve...
Journal Articles
Article Type: Technical Briefs
J. Mech. Des. January 2009, 131(1): 014502.
Published Online: December 16, 2008
... pivot location will yield an ordered dyad solution. A line passing through the selected fixed pivot is rotated one-half revolution about the fixed pivot, in a manner similar to a propeller with infinitely long blades, to sweep the entire plane. Order is established by tracking the sequence...
Journal Articles
Article Type: Technical Briefs
J. Mech. Des. May 2008, 130(5): 054503.
Published Online: March 26, 2008
... is incorporated into a 4DOF hybrid machine tool, which also includes a feed worktable. Furthermore, a 5DOF machine tool is created by combining the parallel manipulator with a 2DOF worktable to machine blades of gas turbines. 21 05 2007 05 09 2007 26 03 2008 Kinematic model of the parallel...
Journal Articles
Article Type: Research Papers
J. Mech. Des. July 2006, 128(4): 864–873.
Published Online: January 18, 2006
...Apurva Kumar; Andy J. Keane; Prasanth B. Nair; Shahrokh Shahpar This paper is concerned with robust aerodynamic design of compressor blades against erosion. The proposed approach combines a multiobjective genetic algorithm with geometry modeling methods, high-fidelity computational fluid dynamics...
Journal Articles
Article Type: Research Papers
J. Mech. Des. November 2006, 128(6): 1315–1327.
Published Online: December 24, 2005
... presents the generalized theory of the face hobbing generation method, mathematic models of tooth surface generations, and the simulation of meshing of face hobbed spiral bevel and hypoid gears. The face hobbing indexing motion is described and visualized. A generalized description of the cutting blades...
Journal Articles
Article Type: Research Papers
J. Mech. Des. January 2006, 128(1): 98–107.
Published Online: May 1, 2005
... to the machining cost function weighting coefficient is increased. The total cost is increased because tight tolerance allocation increases the machining cost. 01 05 2004 01 05 2005 tolerance analysis blades compressors machining costing reliability quality management log normal...