Results 21 to 30 of about 26,083 (287)

Numerical simulation of three-phase flow in an external gear pump using immersed boundary approach [PDF]

open access: yes, 2019
This paper presents a three-phase fully compressible model applied along with an immersed boundary model for predicting cavitation occurring in a two dimensional gear pump in the presence of non-condensable gas (NCG).
Gavaises, M.   +3 more
core   +1 more source

An investigation of the impact of pump deformations on circumferential gap height as a factor influencing volumetric efficiency of external gear pumps

open access: yesTransport, 2022
Gear pumps are widely used in transport machines not only in hydraulic drive systems, but also in lubrication and fuel systems. A positive displacement pump converts mechanical energy into pressure energy stored in the liquid, which it transports to the
Rafał Cieślicki, Mykola Karpenko
doaj   +1 more source

Acoustic tests of type KPF1 high-pressure external gear pumps

open access: yesTechnical Transactions, 2020
This article presents the results of testing the sound pressure level and sound power level of the experimental 3PW-KPF1-24-40-2-776 high-pressure gear pump. Acoustic tests were conducted in an reverberation chamber.
Osiński Piotr   +3 more
doaj   +1 more source

Computer Aided Modeling Design of External Gear Pump

open access: yesIOP Conference Series: Earth and Environmental Science, 2021
Abstract In order to solve the problems in the structural design of the gear pump in use, three dimensional modeling software is used to complete the parts modeling of gear pump one by one, it is assembled as a gear pump, and the structure of gear pump is optimized by auxiliary design, further improve the performance of gear pump ...
Fengquan Guo, Qiang Zhang
openaire   +1 more source

Diagnostics of an Aircraft Engine Pumping Unit Using a Hybrid Approach based-on Surrogate Modeling [PDF]

open access: yes, 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
core   +5 more sources

An Investigation of the Vibration Modes of an External Gear Pump through Experiments and Numerical Modeling

open access: yesEnergies, 2022
This paper presents an experimental and numerical modal analysis for an external gear pump considering its mounting on a test rig in a laboratory setting. Most of the previous studies on experimental modal analysis (EMA) of hydraulic pumps focused on the
Sangbeom Woo, Andrea Vacca
doaj   +1 more source

SIMULATION OF AN EXTERNAL GEAR PUMP AND EXPERIMENTAL VERIFICATION

open access: yesProceedings 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
openaire   +3 more sources

The performance capabilities of the journal bearings as a supports of the fuel gear pump of the gas turbine engine

open access: yesАвіаційно-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
doaj   +1 more source

Fuel leak detection on large transport airplanes [PDF]

open access: yes, 2016
Fuel leakage has the risk of being ignited by external ignition sources, and therefore it is important to detect any fuel leakage before the departure of the aircraft.
Behbahani-Pour, M.J., Radice, G.
core   +1 more source

Theoretical and Experimental Fatigue Strength Calculations of Lips Compensating Circumferential Backlash in Gear Pumps

open access: yesEnergies, 2021
This article presents theoretical and experimental calculations of the minimum thickness of a compensation lip used in external gear pumps. Pumps of this type are innovative technical solutions in which circumferential backlash (clearance) compensation ...
Piotr Osiński   +2 more
doaj   +1 more source

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