title: ÐÐ¿ÑÐ¸Ð¼Ð¸Ð·Ð°ÑÐ¸Ñ Ð²Ð¾Ð·Ð´ÑÑ Ð¾Ð²Ð¾Ð´Ð° ÑÐ¸ÑÑÐµÐ¼Ñ Ð²ÐµÐ½ÑÐ¸Ð»ÑÑÐ¸Ð¸ Ð°Ð²ÑÐ¾Ð¼Ð¾Ð±Ð¸Ð»Ñ Ñ Ð¸ÑÐ¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°Ð½Ð¸ÐµÐ¼ Ð³ÑÐ°Ð´Ð¸ÐµÐ½ÑÐ½Ð¾Ð³Ð¾ Ð¼ÐµÑÐ¾Ð´Ð°
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: Optimization of the air duct of the car ventilation system using the gradient method
Creators: name: ÐÐµÑÑÐ¾Ð², Ð Ð¸ÑÐ°ÑÐ´
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2020
Subjects: Ð²ÑÑÐ¸ÑÐ»Ð¸ÑÐµÐ»ÑÐ½Ð°Ñ Ð°ÑÑÐ¾Ð´Ð¸Ð½Ð°Ð¼Ð¸ÐºÐ°
adjoint optimization
hvac
simplec
Ð²ÑÑÐ¾ÐºÐ¾Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´Ð¸ÑÐµÐ»ÑÐ½ÑÐµ Ð²ÑÑÐ¸ÑÐ»ÐµÐ½Ð¸Ñ.
computational fluid dynamics
high perfor-mance computing.

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description: This work describes the optimization of the part of the car's heating, ventilation and air conditioning system intended for blowing the windshield. The geometry of the air duct connected to the heater on one side and the dashboard on the other is considered. From the point of view of aerodynamics, it is necessary to change the geometry of the air duct to minimize the loss of air pressure and ensure a more uniform flow from the exit holes. The objective function in optimization process is minimizing the pressure drop on the surface of the air duct open-ings that provide air outlet to the windshield surface. The influence of the quality of the constructed finite-volume grid model on its morphing capabilities in the optimization process is described, since a "bad" cell during morphing can give a negative volume or a false gradient. According to the results of the study, a detailed concept of optimizing the vehicle air duct is presented. The optimized geometry was tested using computer aerodynamics methods and, as proof of positive optimization, the temperature fields of the car's windshield before and after the optimization of the air duct were shown. The results can be applied to the design of heating, ventilation, and air conditioning systems of vehicles in a short time.