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Suhyun Ahn, Jeong Mog Seo and Heejin Lee
Marine lubricating oil (LO) is deteriorated by contaminants?especially marine gas oil (MGO), which is invariably mixed during its usage?that can damage engine performance. This study investigates a method for determining the content of MGO in lubricating...
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Liao-Yong Luo, Yi-Hua Fan, Jyh-Haw Tang, Ting-Yu Chen, Nai-Rong Zhong, Pin-Chieh Feng and Yu-Chun Kao
The article describes the effect of a magnetic field applied to a ferrofluid–lubricated hydrodynamic journal bearing–rotor system. A rotor with a single journal bearing in one end was built to be the test rig. The experimental results showed ...
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Fengming Du, Dawei Li, Xiaoxia Sa, Cong Li, Yang Yu, Chengdi Li, Jingsi Wang and Weiwei Wang
Sliding bearings are critical components of the internal combustion engine. Friction and wear occur in the contact area between the shaft and the bearing. Significant wear can occur in poor working conditions or after a long service time, leading to the ...
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Monika Tanwar, Hyunseok Park and Nagarajan Raghavan
Lubricating Oil Diagnostics and Prognostics.
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Hao Sun, Yingshuai Liu and Jianwei Tan
There is increasing demand for the on-board diagnosis of lubricating oils. In this research, we consider various sensor principles for on-board diagnosis of the thermal aging of engine oils. One of the parameters investigated is the viscosity of the lubr...
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Corydon M. J. Morrell and Paul R. Hampson
Carbon fibre composites are a key component of aircraft structures because of their enhanced material properties such as favourable strength to weight ratios when compared to metal alloys. During the assembly process of an aircraft, carbon fibre componen...
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Corydon M. J. Morrell and Paul R. Hampson
Carbon fibre composites are a key component of aircraft structures because of their enhanced material properties such as favourable strength to weight ratios when compared to metal alloys. During the assembly process of an aircraft, carbon fibre componen...
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Stamatios S. Kalligeros
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Hans-Joachim Naegele, Bernd Thomas, Christine Schrade, Andreas Lemmer, Hans Oechsner and Thomas Jungbluth
In the present work, we focus on long-term and permanent measurements of approximately two years on a 192 kWel Gas Otto CHP (combined heat and power) unit at a full-scale research biogas plant. In detail the influence of 600 h and 1800 h maint...
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Chi Zhang, Yaguo Lyu, Le Jiang and Zhenxia Liu
The numerical simulation method was used to investigate the deflection and deformation process of a circular lubricating oil jet in transverse shear airflow. The numerical model was compared and validated against the experimental data. The physical param...
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He Liu, Yu Dai, Jifu Jia and Xiang Zhu
Lubricating oil flow characteristics are the primary concern in the main reducer of light helicopters. To improve the lubricating performance of the main reducer, a special lubrication system is innovatively constructed by adding two oil-guiding tubes to...
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Tatjana Paulauskiene, Jochen Uebe, Zilvinas Kryzevicius, Valeriia Kaskova, Marija Katarzyte and Donata Overlinge
Crude oil and petroleum products made from it are increasingly being extracted and consumed worldwide as an important energy source. During necessary transportation, e.g., by tanker, an oil spill might occur, which leads to water pollution by oil. One of...
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Tuan-Anh Bui and Ngoc-Tam Bui
The viscosity of lubricating oils is influenced by fly-ash additives and temperature, as they play a crucial role in regulating the viscosity of oils. Fly-ash additives are added to lubricating oils to improve oxidation resistance and prevent deposit for...
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Oleksii Papeikin,Oleg Safronov,Larysa Bodachivska,Irina Venger
Pág. 54 - 60
The possibility of using the wastes of the oil and fat industry ? phosphatide concentrates as components of lubricating materials was demonstrated in this paper. At the first stage, amidation of phosphatide concentrate from the purification of rapeseed o...
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?????? ?????????? ???????, ????????? ?????????? ????????, ????????? ????????????? ??????
Pág. 36 - 45
The subject of the research in the article are questions connected with the refined solutions of the isothermal stationary problem for the lubricating cooling liquid in the Newtonian state, taking into account the forces acting in the meshing of the cyli...
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Xigui Wang, Jian Zhang, Yongmei Wang and Chen Li
An improved Self-Turbulent Flow (STF) algorithm is proposed. A mathematical model of the Electrohydraulic Servo (EHS) control system for Lubricating Oil Static Pressure (LOSP) acquisition is presented, and the STF controller is designed for numerical ana...
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L. F. Dolina,O. O. Mishchenko
Pág. 7 - 13
A technology of cleaning oil-containing waste waters and industrial sewages which contain lubricating and cooling liquids is represented in the article.
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Jean Robert Pereira Rodrigues, Tiago do Espírito Santo Baldez Neves, Marcio Bacci da Silva, Keyll Carlos Ribeiro Martins, José Ribamar dos Santos Ribeiro, Adilto Pereira Andrade Cunha
Pág. 257 - 262
The cutting fluids in machining, when chosen and applied adequately can contemplate in benefits during the manufacturing processes. The selected method should allow the cutting fluid to reach the closest possible of the cutting edge lubricating the chip-...
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Chenyong Wang, Hongpeng Zhang, Chenzhao Bai, Wei Li, Shengzhao Wang and Shuyao Zhang
In order to realize the lubricant fluid condition monitoring of ships and offshore engineering equipment, a multi-channel, dual-mode oil multi-pollution detection sensor is proposed and fabricated. The sensor has three detection channels connected via te...
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Michael Flouros, Peter Gloeckner, Markus Hirschmann, Matthias Martin, Francois Cottier and Dimitra Papailia
Rolling element bearings for aero engine applications have to withstand very challenging operating conditions because of the high thermal impact due to elevated rotational speeds and loads. The high rate of heat generation in the bearing has to be sustai...
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