title: ÐÐ¸Ð·Ð½ÐµÑ-ÑÐµÐ½ÑÑ Ñ ÑÐ¸ÑÑÐµÐ¼Ð¾Ð¹ ÑÐµÐºÑÐ¿ÐµÑÐ°ÑÐ¸Ð¸ Ð²Ð¾Ð·Ð´ÑÑ 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: Business center with air recovery system
Creators: name: ÐÐµÐ»ÑÐµÐ², ÐÑÑÐµÐ¼
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: Ð±Ð¸Ð·Ð½ÐµÑ-ÑÐµÐ½ÑÑ
ÑÐµÐºÑÐ¿ÐµÑÐ°ÑÐ¾Ñ
ÑÐºÐ¾Ð½Ð¾Ð¼Ð¸ÑÐµÑÐºÐ°Ñ ÑÑÑÐµÐºÑÐ¸Ð²Ð½Ð¾ÑÑÐ¸
ÑÐºÑÐ¿Ð»ÑÐ°ÑÐ°ÑÐ¸Ð¾Ð½Ð½ÑÐµ Ð·Ð°ÑÑÐ°ÑÑ
ÑÐ¸ÑÑÐµÐ¼Ð° Ð²ÐµÐ½ÑÐ¸Ð»ÑÑÐ¸Ð¸
ÑÐµÐ¿Ð»Ð¾ÑÑÐ¸Ð»Ð¸Ð·Ð°ÑÐ¾ÑÑ
ÑÐµÐ¿Ð»Ð¾Ð¾Ð±Ð¼ÐµÐ½Ð½Ð¸ÐºÐ¸
recuperator
economic efficiency
operating costs
ventilation system
heat exchangers

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description: Subject of the final qualification work: "Business center with air recovery systemÂ» This paper analyzes the economic efficiency of using a heat recovery system in a public building in Saint Petersburg, depending on the following parameters of the system: the type of heat exchanger, efficiency, and operating time of the system during the day. Tasks that were solved during the research: 1. Study of technical features of rotary and plate type recuperators, identification of advantages and disadvantages. 2. Development of a method for calculating, depending on the type of heat exchanger used, the economic efficiency of the recuperator in the ventilation system of a public building. 3. Performing calculation on the basis of statistical data. 4. Identification of General patterns of changes in payback periods when implementing a recuperative installation in the building's ventilation system. As a result, the advantages and disadvantages of using a rotary heat exchanger, a plate heat exchanger, and a plate heat exchanger with an additional preheating heater were analyzed. It was proved that the building's operating costs can be reduced by introducing a heat recovery unit into the ventilation system. The main regularities of changes in the payback period depending on the time of operation in the system's days, its efficiency were obtained. The developed method of evaluating economic efficiency can be used to assess the feasibility of introducing a heat exchanger into a ventilation system, regardless of the type of building, geographical location, or the necessary microclimatic parameters inside the room. To make a correct calculation, you need to specify: the air flow in the system, the efficiency of the installation, external and internal climate parameters, the cost of implementing and maintaining the recuperator in the ventilation system.