Open Access- https://doi.org/10.56042/ijems.v31i1.586
Prediction of pipe geometry influenced by various suction pressure
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Take Notes There are two main types of fuel pipes, and each is categorized according to the maximum pressure it can withstand. The main purpose of low-pressure pipes is to transfer fuel from a storage tank to a service tank and then, via a feed pump, to injection pumps. Fuel from an injection pump has been delivered through high-pressure pipes to the engine's combustion chamber. The current work is concerned with low pressure pipes to determine the pressures at the inlet and outlet of diesel pipes of various cross sections used to transport diesel to the ships. Circular and rectangular cross-sectional pipes have been considered for the present study, and the influence of geometrical factors has been estimated on the inlet and outlet flow parameters of diesel fuel using Fusion 360/CFD software. The variations in the pressure, velocity of the fuel, and shear stress in fuel-carrying pipes in all planes have been presented. The rectangular-shaped pipe generated more shear stresses than the circular cross-sectional pipe. Further, different-shaped circular pipes have been designed and tested for temperature distribution in the pipes while carrying the diesel fuel. The present work has been used for the effective design of diesel-carrying pipes from the bottom to the top end from the perspective of suction pressure.
- Research Article
58 - 10.1115/1.4033675
- Jul 15, 2016
- Journal of Fluids Engineering
The paper presents an extensive analysis of the influence on the suction capacity of the main geometric parameters of gerotor lubricating pumps. The study was carried out using a computational fluid dynamics (CFD) model developed with the commercial software PumpLinx®. The model of a reference gerotor unit was validated experimentally in terms of delivered flow rate in different operating conditions, in open and closed circuit configuration. In the former case, different geometries of the inlet pipe were tested. In the latter, the influence of the suction pressure at constant speed was analyzed. After the model validation, several geometric features were changed to assess their influence on the volumetric efficiency in conditions of incomplete filling, such as the thickness and the diameter of the gears, the position of the inlet pipe with respect to the rotors (radial, axial, and tangential), and the shape of the port plate.
- Conference Article
- 18
- 10.1115/fpmc2015-9539
- Oct 12, 2015
The paper presents an extensive analysis of the influence on the suction capacity of the main geometric parameters of gerotor lubricating pumps. The study was carried out using a CFD model developed with the commercial software PumpLinx®. The model of a reference gerotor unit was validated experimentally in terms of delivered flow rate in different operating conditions, in open and closed circuit configuration. In the former case different geometries of the inlet pipe were tested. In the latter the influence of the suction pressure at constant speed was analysed. After the model validation, several geometric features were changed to assess their influence on the volumetric efficiency in conditions of incomplete filling, such as the thickness and the diameter of the gears, the position of the inlet pipe with respect to the rotors (radial, axial and tangential), the shape of the port plate.
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