scholarly journals Optimal Design of Online Measuring System for Water Content of Lubricating Oil System

2016 ◽  
Author(s):  
Nan Xie ◽  
Weimin Chen ◽  
Yijia Yuan
Keyword(s):  
Optimal Design ◽  
Water Content ◽  
Measuring System ◽  
Lubricating Oil

Research on a Scheme of Real-Time Measuring of Lubrication Oil Quantity in an Aero-Engine Tank

2011 ◽  
Vol 317-319 ◽  
pp. 2079-2084
Author(s):  
Rang Shu Xu ◽  
Xiao Wen Chen ◽  
Jian Ming Yang ◽  
Zhi Wei Dong ◽  
Min Li Bai
Keyword(s):  
Interpolation Method ◽  
Oil Quality ◽  
Phase Interface ◽  
Measuring System ◽  
Dead Volume ◽  
Lubricating Oil ◽  
Digital Measurement ◽  
Vof Model ◽  
Data Tables ◽  
Height Data

The composition and principles of the digital measuring system was investigated on the basis of digital oil measuring method. Fly attitude-oil quality - measuring height data tables were generated by using UG software calculation of oil quantity characteristics. Then the oil surface angle under different fly attitude and overload was calculated through coordinate transformation method. Finally the amount of oil was calculated by three-dimensional liner interpolation method. Meanwhile, the free surface movement of lubricating oil tank under different overload was simulated through VOF numerical model. The results showed that using UG software to build model and generate fly attitude-oil quantity-measuring height data tables is accurate and useful. The VOF model method is a complement to digital measurement, which can track the phase interface of continuum, analyze the movement of oil qualitatively and calculate the dead volume of digital method.

The Design of Moisture Content of Lubricating Oil Detecting System Based on AD5933

2013 ◽  
Vol 401-403 ◽  
pp. 1129-1134
Author(s):  
Qiang Liao ◽  
Wei Dong Fan ◽  
Jiang Wu ◽  
Tao Xu
Keyword(s):  
Mathematical Model ◽  
Moisture Content ◽  
Water Content ◽  
Capacitive Sensor ◽  
Lubricating Oil ◽  
Voltage Amplitude ◽  
Excitation Voltage ◽  
The Mathematical Model ◽  
The Relationship ◽  
Resistance Value

In order to detect lubricating oil moisture content quickly, and replace lubricating oil of equipment in time , impedance type moisture content of lubricating oil detecting system based on AD5933 and cylindrical coaxial capacitive sensor are explored. The paper selected the excitation voltage amplitude and frequency reasonably, and studied the relationship between water content of lubricating oil and impedance value. The result suggests that when the excitation voltage amplitude is 2V, the frequency ranges from 4 kHz to 6 kHz, moisture content of lubricating oil is closely related to impedance value and lubricating oil resistance value decreases with the increase of its moisture content. In addition, the mathematical model between moisture content of lubricating oil and the impedance value is established, moisture content of lubricating oil can be calculated according to the impedance value.

Design and Analysis of Hydro-Viscous Winch Hydraulic System

2012 ◽  
Vol 605-607 ◽  
pp. 1317-1321
Author(s):  
Qing Rui Meng ◽  
Shang Fei Lin ◽  
Jian Wang
Keyword(s):  
Optimal Design ◽  
Simulation Model ◽  
Flow Rate ◽  
Theoretical Basis ◽  
Hydraulic System ◽  
Lubricating Oil ◽  
Orifice Diameter ◽  
Disc Brake ◽  
System Pressure ◽  
Oil Flow

A hydro-viscous winch comprises a disc brake and a hydro-viscous brake. The hydraulic system is of utmost importance to the performance of the winch. To verify the validity of the hydraulic system, by using AMESim software, the simulation model of the hydraulic system was built and the performance analyzed. The results show that 1) the pressure and the flow rate of the disc brake hydraulic system are mainly affected by the energy accumulator; 2) Hydro-viscous brake hydraulic system pressure and lubricating oil flow rate are influenced by orifice diameter of the throttle valve; 3) during the braking period, the amplitude of the deceleration is rather small and the hydro-viscous winch hydraulic system can meet the requirements well. Research achievements of this work provides theoretical basis for optimal design of the hydro-viscous winch hydraulic system.

Renewable energy based soil moisture metering system using a smartphone with IoT

2019 ◽  
Vol 12 ◽  
Author(s):  
Devesh Mishra ◽  
R. S. Yadav ◽  
K. K. Agrawal
Keyword(s):  
Renewable Energy ◽  
Soil Moisture ◽  
Water Content ◽  
Data Storage ◽  
Measuring System ◽  
Renewable Source ◽  
Processing And Storage ◽  
And Storage ◽  
Advanced System ◽  
Soil And Water

The human civilization has started doing agriculture for its growth from the prehistoric era. Traditional methods of irrigation being followed up from early times are very inefficient and poor due to excess usage of water. In these techniques, plenty of water gets wasted as well as causes different diseases and fungus to plants because of overwater content in the soil generally named soil moisture. For the conservation of soil and water with an increase in efficiency of the farm, irrigation of soil water content monitoring system is very essential. Most of the water resources available globally are used for agricultural purpose only. To cope up with rising demands of efficient agriculture advanced soil moisture metering system have been developed and discussed to provide appropriate water to the crop. This advanced system gets powered through a solar panel a renewable source of energy. This system monitors the water content in the soil through sensors and as per the requirement watering of the plant is done. For processing and storage of a large amount of data storage cloud based Blynk service is used. This is a smartphone based moisture measuring system for appropriate irrigation using IoT. The primitive goal of this article is to monitor and metering of soil moisture to control the content of water in the plant. This is a mobile integrated smart moisture measurement system using IoT.

Study on the Method of On-Line Measurement of Water Content in Turbine Oil Based on Resonant Cavity Perturbation

2005 ◽  
Author(s):  
Song-Feng Tian ◽  
Zhong-He Han ◽  
Kun Yang
Keyword(s):  
Water Content ◽  
Resonant Cavity ◽  
Measuring System ◽  
Turbine Oil ◽  
Economy Running ◽  
Line Measurement ◽  
Cavity Perturbation ◽  
On Line ◽  
Cavity Configuration ◽  
Lower Thermal Expansion

The accurate measurement of water content in the turbine oil has great significant for guiding steam turbine safety and economy running. A method of the on-line measurement of the water content in the turbine oil based on microwave resonant cavity perturbation is presented in this paper, The author deduced the formula of the volume proportion of water content in turbine oil, the resonant cavity and the measuring system of this method is simple. The precision of measurement can be improved by selecting work pattern with high quality factor, advancing the measurement precision of the relative frequency deflection and adopting the lower thermal expansion coefficient material and the especial resonant cavity configuration. Ten PPM water content in turbine oil can be distinguished by this method.

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