Zobrazeno 1 - 10
of 11
pro vyhledávání: '"J. F. Walton"'
Autor:
J. F. Walton, H. Hesmat
Publikováno v:
Journal of Engineering for Gas Turbines and Power. 124:1032-1041
A review is made of the function of compliant surface bearings in serving the needs of modern turbomachinery. This service extends over a wide spectrum of severe operational and environmental conditions such as extreme low and high temperatures, spee
Publikováno v:
Journal of Vibration and Acoustics. 116:250-256
This paper provided the first opportunity to quantify the angular stiffness and equivalent viscous damping coefficients of an axial spline coupling used in highspeed turbomachinery. The bending moments and angular deflections transmitted across an ax
Autor:
J. F. Walton, H. Heshmat
Publikováno v:
Journal of Engineering for Gas Turbines and Power. 115:347-352
In this paper results of rotordynamic response and transient tests of a novel, high load squeeze film damper design are presented. The spiral foil multisqueeze film damper has been previously shown to provide two to fourfold or larger increases in da
Autor:
H. Heshmat, J. F. Walton
Publikováno v:
Journal of Propulsion and Power. 8:449-456
This paper presents a novel powder-lubricated rotor bearing system damper concept for use in high-temperature, high-speed rotating machinery such as advanced aircraft gas turbine engines. Subscale tests of a damper segment were performed to evaluate
Publikováno v:
ASAIO journal (American Society for Artificial Internal Organs : 1992). 44(5)
Mohawk Innovative Technology, Inc. (MiTi; Albany, NY) and the Cleveland Clinic Foundation (Cleveland, OH) have been engaged in a joint project to develop a new, high efficiency magnetic bearing for use in a rotary blood pump. Such a bearing would hav
Autor:
J. F. Walton, H. Heshmat
Publikováno v:
Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award; General.
In this paper results of rotordynamic response and transient tests of a novel, high load squeeze film damper design, are presented. The spiral foil multi-squeeze film damper has been previously shown to provide two to four fold or larger increases in
Autor:
J. F. Walton, H. Heshmat
Publikováno v:
26th Joint Propulsion Conference.
This paper presents a novel powder-lubricated rotor bearing system damper concept for use in high-temperature, high-speed rotating machinery such as advanced aircraft gas turbine engines. Subscale tests of a damper segment were performed to evaluate
Publikováno v:
ASAIO Journal. 48:139
Autor:
J. F. Walton
Publikováno v:
Journal of Tribology. 113:292-292
Publikováno v:
Journal of Tribology. 109:290-294
This paper presents the results of an experimental investigation intended to observe cavitation in squeeze-film bearing dampers representative of those commonly found in aircraft gas turbine engines. Two different squeeze-film damper geometries were