Results 31 to 40 of about 1,700,794 (328)

Dynamic Simulation and Test Verification of Hydraulic Automatic Tensioner for an Engine Timing Chain Drive System

open access: yesChinese Journal of Mechanical Engineering, 2023
As a fundamental component of an automobile engine's timing chain drive system, the hydraulic automatic tensioner significantly enhances fuel economy while minimizing system vibrations and noise.
Zengming Feng, Jinxing Yang, Fei Wang
doaj   +1 more source

Alternatives for Exothermicity Control of Vegetable Oils in Existing Hydrotreatment Plants to Produce Diesel and Jet Renewable

open access: yesChemical Engineering Transactions, 2023
Sustainable aviation fuel (SAF) and renewable diesel (HVO) production simulation models from Colombia palm oil and used cooking oil (UCO) were developed considering the design of an existing hydrotreating unit.
Claudia X. Ramirez   +3 more
doaj   +1 more source

On the Design of Energy-Saving Fluid Power Converter

open access: yesIEEE Access, 2020
The high energy efficiency and lightweight are recent trends in mobile hydraulics. In this paper, a new energy-saving fluid power converter (FPC) is designed to solve the problem of low energy conversion efficiency in hydraulic systems with variable load.
Guoheng Wu   +5 more
doaj   +1 more source

Agro-Industrial and Urban Compost as an Alternative of Inorganic Fertilizers in Traditional Rainfed Olive Grove under Mediterranean Conditions

open access: yesAgronomy, 2021
A three-year field study was conducted to evaluate the impact of two different agro-industrial byproducts on soil properties, provisioning services, olive quality and production in a traditional rainfed olive grove to assess suitable management options ...
Laura L. de Sosa   +3 more
doaj   +1 more source

Compressive forces causing rod buckling in sucker rod pumps and using sinker bars to prevent buckling [PDF]

open access: yes, 2016
Sucker rod pumps has been the most commonly used pumps in the petroleum industry. Therefore, many studies associated with sucker rods focuses on maximizing the rod life.
Eritici, Cagdas
core   +1 more source

Model establishment and solution of general product pipeline scheduling

open access: yesYou-qi chuyun, 2020
The technical patterns for unloading of oil products at various stations along product pipelines in China can be roughly divided into four types: continuous distribution, constant flow distribution, variable flow distribution and independent planning ...
Yamin YAN   +4 more
doaj   +1 more source

Experimental study of flow friction behavior in coiled tubing

open access: yesEnergy Reports, 2022
Coiled tubing (CT) technology has been widely applied in well cleanouts, drilling plug, and shale oil and gas fracturing. Fluid flow in CT produce a more significant flow friction pressure loss because of the long length and small tubing diameter coiled ...
Shihui Sun   +3 more
doaj   +1 more source

Conceptual Design of Mars Lander with Novel Impact Intriguing System

open access: yes, 2020
Landing robotic spacecrafts and humans on Mars has become one of the inevitable technological necessities for humans. Effectuating perfect Mars expedition requires landing of enormous cargoes, crewed modules, ascent vehicles, and scientific laboratories.
Annavarapu, Ramesh Naidu   +1 more
core   +1 more source

Experimental Research of the Hydrodynamic Processes of an Axial Piston Water Hydraulic Pump

open access: yesMachines, 2022
Water hydraulic components and systems play pivotal roles in the development of modern hydraulics. Sustainable development and environmental protection cannot be imagined without the use of water as a working medium in modern hydraulic systems.
Nenad Todić   +3 more
doaj   +1 more source

Model of the onset of liquid entrainment in large branch T-junction with the consideration of surface tension

open access: yesNuclear Engineering and Technology, 2021
The T-junction exists widely in industrial engineering, especially in nuclear power plants, which plays an important part in nuclear power reactor thermal-hydraulics.
Ping Liu   +4 more
doaj   +1 more source

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