Abstract
Maintaining optimal parameters of the microclimate in the car along the route is the most important requirement for the passenger’s travel. In the 1st class passenger cars, maintaining optimal microclimate parameters is achieved through the operation of the air conditioning system, which provides individual regulation of the air temperature in each compartment. Individual air temperature control systems used in air conditioning systems are divided into two groups: active and passive.The article proposes for consideration a combined active-passive system with a separate air supply with a lower and higher temperature compared to the temperature maintained in the compartment and the installation of individual induction terminals, which makes it possible to increase the efficiency of individual regulation of air parameters in the compartment.To assess the uniformity of temperature distribution and air flow rate over the car volume with the proposed control scheme, a three-dimensional modeling of the distribution of these parameters in the compartment was carried out on the basis of Autodesk CFD software.The given simulation results indicate the uniformity of temperature and air flow rate distribution over the compartment volume, which makes it possible to characterize the proposed system as sufficiently energy efficient, easy to operate and reliable in operation.
Highlights
Разработка системы кондиционирования с индивидуальным регулированием температуры и расхода воздуха в купе пассажирского вагона
In the 1st class passenger cars, maintaining optimal microclimate parameters is achieved through the operation of the air conditioning system, which provides individual regulation of the air temperature in each compartment
Individual air temperature control systems used in air conditioning systems are divided into two groups: active and passive
Summary
Разработка системы кондиционирования с индивидуальным регулированием температуры и расхода воздуха в купе пассажирского вагона В пассажирских вагонах повышенной комфортности поддержание оптимальных параметров микроклимата достигается путем функционирования системы кондиционирования воздуха, обеспечивающей индивидуальное регулирование температуры воздуха в каждом купе. Системы индивидуального регулирования температуры воздуха, применяемые в системах кондиционирования воздуха, разделяют на две группы: активные и пассивные. Для оценки равномерности распределения температуры и скорости потока воздуха по объему вагона при предлагаемой схеме регулирования проведено трехмерное моделирование распределения этих параметров в купе на базе программного обеспечения Autodesk CFD.
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