THE EQUATION OF THERMAL ENERGY BALANCE FOR THE LEAK CONTROL BY METHOD OF FIXED VOLUMES

Details

Parent Category: Geo-Technical Mechanics, 2015

Category: Collection of scientific papers «Geotekhnicheskaya Mekhanika» Issue 122

UDC622.457.2:620.165.29

Authors:

VoloshinA.I., Сor. Member NASU,

Ponomarenko S.N., Ph.D. (Tech.), Senior Researcher (IGTM NAS of Ukraine)

Gubenko D.I., M.S. (Tech) (Yuzhnoye State Design Office)

Abstract.

The work is focused on thermodynamic analysis of parameters which characterize a process of gas escaping from the controlled object with taking into account its heat exchange with the environment.

A heat balance equation was formulated, which describes energy distribution when leakage from the hollow objects is monitored by the fixed volume method. The methodology assumes using of two vessels, in one of which (reference vessel) initial measurement parameters are fixed, and in the other (compensation vessel) current measurement parameters are recorded. Thermal stabilization of these vessels minimizes thermal perturbations caused by gradients of environmental parameters. Energy distribution was analyzed at monitoring leakage from the hollow object by the fixed volume method. Thermodynamic parameters of physical processes, which occurred in a closed thermodynamic system were investigated with taking into account rate of the system leak proofness and heat exchange with the environment. Pattern of the energy distribution in the reference and compensation vessels inside the thermostat was set. Interdependence was showed between internal work of the gas, which was used for monitoring the leakages, and the job which was performed for this gas mass motion.

Keywords: leakage monitoring, fixed volume method, reference and compensation vessel, leakage, heat exchange, environment, energy, job.

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About the authors:

Voloshin Alexei Ivanovich, Doctor of Technical Sciences (D.Sc.), Professor, Corresponding Member of the National Academy of Science of Ukraine, Deputy Director of the Institute, M.S. Polyakov Institute of Geotechnical Mechanics under the National Academy of Science of Ukraine (IGTM, NASU), Dnepropetrovsk, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it.

Ponomarenko Sergei Nikolaevich, Candidate of Technical Sciences (Ph. D.), Senior Researcher of Department of Vibratory Transporting Systems and Complexes, M.S. Polyakov Institute of Geotechnical Mechanics under the National Academy of Science of Ukraine (IGTM, NASU), Dnepropetrovsk, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it.

Gubenko Dmitry Ivanovich, Master of Science, State Enterprise “Design Office” Yuzhnoye" by M.K. Yangel (Yuzhnoye State Design Office), Dnepropetrovsk, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it.

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