**:** ..,

..,

..
**:**
**. :** 0421000023\0054

**:** 30.1
**:**
**:** 2010
**:** .., .., .. / . 30.1 " ". .: , 2010. .286-299.

** :** , , ,

** (.):** hydraulic circuit, flow regulator, convex optimization problem, interior-point method

**:** , . , , . .

** (.):** The system is introduced of equations and inequalities describing flow distribution in pipeline circuits with automatic flow regulators installed on certain sections. The system under consideration is shown to be equivalent to optimality conditions of some convex optimization problem. This equivalence allows building existence and uniqueness conditions of the solution of the considered system. The model is illustrated with the example.

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