СЪДЪРЖАНИЕ
- А. Кордон, Прилагане на изкуствен интелект в бизнеса – шумна реклама или необходимост?
- В. Боишина, М. Шаркова, Предсказване на повреди в управляващи устройства, използвайки дърво на отказите и предходно знание
- автоматика
Н. Делийски, Д. Ангелски, Л. Дзуренда, П. Вичев, К. Атанасова, Метод за изчисляване на енергийния разход и КПД на автоклави за пропарване на дървесина - В. Руйкова, Оптимизация на настройваемите параметри при проектиране на oбобщен предсказващ регулатор
- 75-годишнина на проф. д-р инж. Маргарита Тодорова
Key Words: Steaming autoclaves; thermal balance; wooden prisms; energy consumption; energy efficiency.
Abstract. An approach for computing the energy consumption and energy efficiency of autoclaves during steaming of non-frozen wooden prisms intended for veneer production has been presented. The approach is based on the use of two personal mathematical models: 2D non-linear model of the unsteady distribution of the temperature in the central cross section of non-frozen prisms subjected to steaming at conductive boundary conditions, and stationary model of the thermal balance of autoclaves during steaming of wood materials in them. For numerical solving of the models and practical application of the suggested approach, a software packages were prepared in the calculation environment of Visual FORTRAN Professional and in Excel respectively. With the help of the first model, the durations of all of the 5 stages of the regimes for steaming beech prisms with cross section dimensions of 0.3 × 0.3 m, 0.4 × 0.4 m, 0.5 × 0.5 m, initial temperature of 0 °C, 10 °C, 20 °C and moisture content of 0.6 kg∙kg-1 were determined at maximum temperatures of the steaming medium equal to 130 °C.
