Results 21 to 30 of about 41,416 (285)
Steady-State Flow Characteristics and End Clearance Optimization of Internal Gear Grease Pump
Advances in Materials Science and Engineering, 2021 The internal gear grease pump is a mechanical device used for transfer of high viscosity fluid. The existing clearance between the end faces of the internal or external gear and the floating side plate might cause pump leakage during operation.
Xinjian Li, Lingfeng Tang, Ming Qian
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Advanced Engineering Research, 2022 Introduction. Some of the major factors in the occurrence of vibration of units, causing fatigue failure of the housings of elements, pipelines, and failure of pump elements, are pulsations of the working medium in the hydraulic systems of machine tools,
V. I. Sanchugov, P. D. Rekadze
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Archives of Acoustics, 2016 This paper describes the development phases of a numerical-experimental integrated approach aimed at obtaining sufficiently accurate predictions of the noise field emitted by an external gear pump by means of some vibration measurements on its external ...
Eleonora CARLETTI +3 more
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Авіаційно-космічна техніка та технологія, 2021 The paper is about the performance capability of the journal bearings as a support of the fuel gear pump for gas turbine engines (GTE). Supports of the external gear pump usually operate in semi-dry friction conditions, which reduces residual life and is
Олександр Віталійович Білогуб +3 more
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Development of CFD-based procedure for 3d gear pump analysis
Engineering Applications of Computational Fluid Mechanics, 2020 Tumbling Multi-Chamber (TMC) gear pump is a generally unknown type of hydraulic device, which features a unique three-dimensional shape of the gears. The main benefits of such design over the conventional gear pumps are self-adapting tightness of the ...
Jernej Munih +3 more
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Diagnostics of an Aircraft Engine Pumping Unit Using a Hybrid Approach based-on Surrogate Modeling [PDF]
, 2013 This document introduces a hybrid approach for fault detection and identification of an aircraft engine pumping unit. It is based on the complementarity between a model-based approach accounting for uncertainties aimed at quantifying the degradation ...
LAMOUREUX, Benjamin +2 more
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SIMULATION OF AN EXTERNAL GEAR PUMP AND EXPERIMENTAL VERIFICATION
Proceedings of the JFPS International Symposium on Fluid Power, 1989 A detailed simulation program is presented for investigating the performances of an external gear pump. The geometrical aspects and the differential equations representing the quasi-steady state mathematical model of the pump are accounted for and discussed.
MANCO', Salvatore, NERVEGNA, Nicola
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Modeling the Meshing Procedure of the External Gear Fuel Pump Using a CFD Tool
Computation, 2022 In modern aircraft engine technology, there is a tendency to replace the mechanical drive of external gear fuel pumps with an electric one. This significantly reduces the integral energy consumption for pumping fuel (kerosene).
Ihor Romanenko +2 more
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Flow Pulsation Characteristic of External Gear Pump and Analysis of Influencing Factor
Jixie chuandong, 2020 Based on the bench test of oil pump， the influence of pump outlet pressure on flow pulsation of external gear oil pump is analyzed. The results show that the flow pulsation coefficient of the oil pump decreased with the increase of pump outlet pressure ...
Liangyi Shen, Lei Qu, Biao Shen
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Water Pump Development for the EVA PLSS [PDF]
, 2009 This paper describes the effort by the Texas Engineering Experiment Station (TEES) and Honeywell for NASA to design, fabricate, and test a preflight prototype pump for use in the Extravehicular activity (EVA) portable life support subsystem (PLSS). Major
Goldman, Jeff +4 more
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