scholarly journals Control of the induction soldering on the basis of process temperature indirect measurements

2018 ◽  
Vol 224 ◽  
pp. 01054 ◽  
Author(s):  
Vadim S. Tynchenko ◽  
Vyacheslav E. Petrenko ◽  
Alexander V. Murygin
Keyword(s):  
Technological Process ◽  
Experimental Studies ◽  
Full Scale ◽  
Process Temperature ◽  
Control Algorithms ◽  
Indirect Measurements ◽  
Full Scale Experiment ◽  
System Module ◽  
Scale Experiment ◽  
Soldered Joint

The article suggests the use of indirect measurements to control the process of induction soldering. Based on the equations of thermodynamics, it is proposed a scheme for approximating the temperature values in the solder zone on the basis of information from pyrometric sensors aimed at an area remote from the soldered joint site. A model-algorithmic instrument for indirect temperature measurements in the soldering technological process is developed, the scheme of which is presented in the article. The software of waveguide paths induction soldering control in the form of an already existing system module has been developed, which allows not only to carry out experimental studies on control algorithms, but also to implement a full-scale experiment, the results of which confirm the effectiveness of the proposed approach.

scholarly journals Investigations of electrophysical monitoring in a full-scale experiment to clean soil contaminated with oil

2020 ◽  
Vol 177 ◽  
pp. 04003
Author(s):  
Sergey Prostov ◽  
Evgeniy Shabanov
Keyword(s):  
High Efficiency ◽  
Oil Pollution ◽  
Soil Mass ◽  
Full Scale ◽  
Used Oil ◽  
Complex Processes ◽  
Full Scale Experiment ◽  
Scale Experiment ◽  
Processing Zone ◽  
Conductive Properties

This article presents the main results of the study of electrophysical processes occurring in the zone of electrical processing during the cleaning of soils from oil pollution. The main conclusions are formulated about the processes occurring in the electric processing zone by changing the relative electrical resistance of the soil, which was measured using microprobe sensors. A comparative analysis of the results of a laboratory experiment on the electrochemical cleaning of contaminated soil in a tank is carried out with the results of a full-scale experiment conducted on a plot of a soil mass in real conditions, but artificially contaminated with oil products (gasoline, used oil. Using single measurements of electrical resistivity by microprobe sensors, the spread of the pollutant in the soil was clarified , the relationship between the physical properties of the array and its electrical wire is established conductive properties. Confirmed high efficiency of this type of control in the study of complex processes occurring in the contaminated ground array.

Water balance comparison between a dry and a wet landfill — a full-scale experiment

2001 ◽  
Vol 251 (1-2) ◽  
pp. 29-48 ◽  
Author(s):  
S.T.S. Yuen ◽  
Q.J. Wang ◽  
J.R. Styles ◽  
T.A. McMahon
Keyword(s):  
Water Balance ◽  
Full Scale ◽  
Full Scale Experiment ◽  
Scale Experiment

A synthesis of the first full-scale experiment in Central America

2019 ◽  
pp. 1-10
Author(s):  
Tania Ávila-Esquivel ◽  
José Pablo Aguiar-Moya ◽  
Edgar Camacho-Garita ◽  
Luis Loría-Salazar
Keyword(s):  
Central America ◽  
Full Scale ◽  
Full Scale Experiment ◽  
Scale Experiment

scholarly journals The appliance of prefabricated soil-cement slabs processed with a hydrophobizing material for the road construction

2018 ◽  
Vol 196 ◽  
pp. 04026
Author(s):  
Sergey Sannikov ◽  
Sergey Kuyukov ◽  
Alexey Zamyatin ◽  
Alexandr Zhigailov
Keyword(s):  
Crack Formation ◽  
Experimental Studies ◽  
Road Construction ◽  
Full Scale ◽  
Complex Method ◽  
The Road ◽  
Soil Cement ◽  
Cement Mixture ◽  
Scale Experiment

The paper presents a complex method for increasing water resistance and reducing crack formation by using a prefabricated foundation of soil-cement slabs with surface processing with a hydrophobizing material on basis of organosilicon compounds. Theoretical, laboratory and full-scale experimental studies were made. Theoretical studies are based on the substantiation of the geometric parameters of the slab in order to exclude the probability of its destruction under its own weight during building and installation works. The result of the first stage of laboratory studies is the determination of the optimum composition of soil-cement mixture in order to achieve a grade of strength M20. At the second stage, the effectiveness of the influence of hydrophobizing materials "Tiprom U" and "Penetron-Admix" on water absorption and compressive strength of soil-cement was determined. The final stage of the research was a full-scale experiment. In the factory environment, soil-cement slabs were manufactured in metal forms. Based on the results of the research, conclusions about the effectiveness of this complex method were made. The use of soil-cement slabs allows reducing crack formation, as well as to work all year round due to manufacturing and surface treatment of slabs in the factory conditions.

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