Author:

Dr. Mofid Afif

Abstract:

The aim of this study is to study the perturbation of a two-phase current in a tube that includes a different hydrodynamic resistance, using a tannic circuit, as well as deducing a set of mathematical relationships to describe the movement of the bubble in the tube. In order to achieve the objective of the research, an electric tinnitus circuit was designed with the participation of the researcher at the University of Polytechnic in Odessa, consisting of resistors, files and capacitors representing the various working conditions of the system, so that by changing the different parameters can be achieved Buzz. Hydrodynamic resistance is an electrical current with a table of different values ​​that allows delay of the feedback signal for the control signal, which reflects the true behavior of the regulating valve in the pipe when the disturbance occurs. Experiments were conducted and results were reported. As well as mathematical model conclusion. Therefore, the study was conducted on a tube that includes a water stopper, gas bubble and hydraulic resistance. Using the Clavirone-Clausius equation that links the temperature and the pressure of the two-phase current has been obtained
On a set of relationships describing the bubble and the disturbance in the tube. Different values ​​of primitive pressure and pressure in the bubble were obtained numerically on a oscillatory diagram
For the pressure disturbance in the tube, compared with the experimental diagram of the results of the buzz circuit and the results of laboratory experiments in the reference research. The comparison has shown a great similarity in the results of the experiments, which proves the validity of the method used in the study, which helps researchers in this area to use and develop.

keywords

Biodegradable current, hydrodynamic disturbance, tinnitus circuits, gas bubbles, pulse pressure, adipatalytic processes, intalpia, steam boilers, heat exchangers