Results 141 to 150 of about 562 (192)

Periodic Flows in Microfluidics. [PDF]

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Mudugamuwa A, Roshan U, Hettiarachchi S, Cha H, Musharaf H, Kang X, Trinh QT, Xia HM, Nguyen NT, Zhang J.   +9 more
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Role of critical stress in quantifying the magnitude of fluid-injection triggered earthquakes. [PDF]

Nat Commun
Yu J, Eijsink A, Marone C, Rivière J, Shokouhi P, Elsworth D.   +5 more
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Slipper Balance in Axial Piston Pumps and Motors

Journal of Tribology, 1992
The paper presents the results of an experimental and theoretical investigation of the effect of clamping ratio and orifice size on the performance of slippers in axial piston pumps and motors. Polishing of the running face to a slightly convex form appears to be essential for successful operation under all conditions. It is shown that slippers operate
Koc E., Hooke C.J., Li K.Y.
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Damping on the swash plate of an axial-piston pump

Proceedings of the 2000 American Control Conference. ACC (IEEE Cat. No.00CH36334), 2000
An, open loop, reduced order model is proposed for the swash plate dynamics of an axial piston pump. The difference from previous reduced order models is the modeling of a damping mechanism not reported previously in the literature. An analytical expression for the damping mechanism is derived. The proposed reduced order model is validated by comparing
Xiaoping Zhang, J. Cho, Satish S. Nair, Noah D. Manring   +3 more
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Experimental Simulation of Piston Leakage in an Axial Piston Pump

Fluid Power Systems and Technology, 2005
A method used to introduce “artificial leakage” into an axial piston pump to simulate leakage from a worn piston is described in this paper. A pressure control servo valve with a very high frequency response was employed to divert flow from the pump outlet in a prescribed waveform directly to tank.
Zeliang Li, Richard Burton, Peter Nikiforuk   +2 more
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Simulation Model of an Axial Piston Pump Inclusive of Cavitation

Fluid Power Systems and Technology, 2002
A mathematical model of an axial piston pump is presented. The numerical model is based on a finite volume concept. The pump has been divided in different volumes where fluid properties are assumed homogeneous. Since the reduction of the pressure pulsations is one of the most important aims of pump builders, the effects of the port plate relief groove ...
BERTA, Gian Luigi, CASOLI, Paolo, VACCA, Andrea, GUIDETTI M.   +3 more
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Loads on the regulator of an axial-piston pump

Russian Engineering Research, 2010
A mathematical model is developed for the piston chamber of an axial-piston pump. On the basis of the model, the pressure within the chamber may be investigated in different operating conditions; the load at the regulator due to the pressure may be estimated; and the design of the pump and the regulator may be optimized.
A. A. Chernyakov, A. P. Konov, Ya. A. Darsht   +2 more
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The kinematic analysis of axial-piston pumps

Mechanism and Machine Theory, 1983
Abstract This investigation describes the kinematics of axial hydraulic pumps with spherical ended pistons. The results, however, apply to the basic kinematics of all axial piston pumps. The current hypothesis is that sliding at the piston/swash plate interface contributes to the wear of these parts.
Wayne D. Milestone, Alan Solomon, Gerry Olsen   +2 more
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Torque on the Swashplate of an Axial Piston Pump

Journal of Dynamic Systems, Measurement, and Control, 1985
As part of a study involving methods of control of an axial piston pump, it is required to obtain linear or linearized equations of motion of the system’s states. The torque imposed on the plate by the pumping action of the pistons is the most important term in the equation of motion of the swashplate.
G. Zeiger, A. Akers
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Dynamic of an Axial Piston Pump With Floating Pistons

BATH/ASME 2024 Symposium on Fluid Power and Motion Control
Abstract A new structure of the axial piston pump was proposed to address the limitation of its application under low viscosity medium conditions due to the insufficient oil film bearing capacity. The piston of this structure is in a floating state in the axial direction, and both ends of the piston are supported by a discrete cylinder ...
Baoyu Liu, Lifeng Ma, Gaocheng An, Lankang Li, Jiaqi Guo, Wenwei Wang   +5 more
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