Results 21 to 30 of about 1,426 (304)

Comparative Study of Rapeseed Oil with Hydraulic Oil

open access: yesOriental Journal Of Chemistry, 2021
This article presents the comparative study of rapeseed oil with hydraulic oil ( n depending on the y and n depending on the t) for a vegetable oil and a hydraulic oil between temperatures of 40 and 90 degrees Celsius. The two oils were studied with the Haake VT 550 viscometer with VH1 sensor.
openaire   +1 more source

Research Development of Energy Efficient Water Hydraulics Manipulator for Underwater Application [PDF]

open access: yes, 2013
The paper presents research development of water hydraulics manipulator test rig for underwater application at Center for Advance Energy Research, Faculty of Mechanical Engineering, Universiti Teknikal Malaysia Melaka.
Yusof, Ahmad Anas   +2 more
core   +1 more source

Frictional Pressure Drop for Gas–Liquid Two-Phase Flow in Coiled Tubing

open access: yesEnergies, 2022
Coiled tubing (CT) is widely used in drilling, workover, completion, fracturing and stimulation in the field of oil and gas exploration and development. During CT operation, the tubing will present a gas–liquid two-phase flow state.
Shihui Sun   +3 more
doaj   +1 more source

Optimization of Efficient Development Modes of Offshore Heavy Oil and Development Planning of Potential Reserves in China

open access: yes, 2023
Thermal recovery is still the most important means to increase heavy oil EOR. With the increase in the recovery factor and the difficulty of exploiting new exploration reserves, the efficient utilization of offshore heavy oil reserves has attracted much ...
Taichao Wang, Xin Li, Fengming Liu
core   +1 more source

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

A review of river oil spill modeling

open access: yes, 2021
River oil spills are generally more frequent and pose greater environmental and public health risk than coastal and offshore oil spills. However, the river oil spill research has received a negligible amount of academic attention in the past three ...
Banovec, Primož   +5 more
core   +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

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

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