A method of automatic controlling of energy efficient mode of the process of pipeline transporting of fluid medium performed by the engineering system, comprising the steps of:
- computing the optimal average values of frequencies of pressure waves interacting with turbulent flow in a pipe, providing the minimum average values of the hydrodynamic resistance coefficient for a discrete set of current average values of the flow velocities, covering an entire practical range;
- experimental checking and correcting of the computed minimum average values of the hydrodynamic resistance coefficient at average values of optimal frequencies of generated pressure waves, for the discrete set of said average values of the flow velocities;
- compiling the baseline file containing:
- a discrete set of said average values of the flow velocities;
- a discrete set of the average values of computed and experimentally corrected minimum values of the hydrodynamic resistance coefficient at average values of optimal frequencies of generated pressure waves for said discrete set of current average values of the flow velocities;
- uploading the baseline file in the memory of the dynamic controller;
- measuring current values of the flow velocity, current of the pressure waves generator motor, optimal frequencies of generated pressure waves, and pressures in the discharge pipeline and in the suction pipeline;
- transmitting the current values of said measured parameters to the input module;
- converting the transmitted current values of said measured parameters in the digital format by the input module;
- transmitting the digital format of said measured parameters to the microprocessor;
- providing receiving, recording, processing, calculating, and saving current values of the flow velocity, current of the pressure waves generator motor, optimal frequencies of generated pressure waves, and pressures in the discharge pipeline and in the suction pipeline, by the microprocessor;
- averaging the received current values of the flow velocity, current of the pressure waves generator motor, optimal frequency of generated pressure waves, pressures in the discharge pipeline and suction pipeline, and calculated parameters at each specified time interval;
- compiling the file of average parameters containing updated average values of the flow velocity, current of the pressure waves generator motor, optimal frequencies of pressure waves, and pressures in the discharge pipeline and in the suction pipeline;
- selecting the row in the baseline file, considering pressure waves action on the turbulent flow, in which the average value of the flow velocity is closest to the last updated average value of the flow velocity from the file of average parameters;
- transmitting average value of the current of pressure waves generator motor from the selected row of said baseline file to the output module;
- converting the received average value of the current of pressure waves generator motor into analog signal;
- transmitting the value of analog signal to the automatic controlled-device;
- changing the value of operating current of the motor of pressure waves generator motor to the transmitted optimal average value of the current, from the baseline file, corresponding to current value of the flow velocity in the discharge pipeline, optimal frequency of pressure waves, and minimum value of the hydrodynamic resistance coefficient;
- providing the energy efficient mode of the process of pipeline transporting of fluid medium.