E3S Web Conf.
Volume 97, 2019XXII International Scientific Conference “Construction the Formation of Living Environment” (FORM-2019)
|Number of page(s)||12|
|Published online||29 May 2019|
Energy economic suitability of the use of “air-air” recuperators in the climatic conditions of the republic of Armenia
National University of Architecture and Construction of Armenian, Armenia
* Corresponding author: firstname.lastname@example.org
The issues of energy saving in buildings are considered by using recuperators to save heat and cold, lost when removing air from the buildings space and transferring some of the energy to the fresh air that is supplied into the premises. Such heat exchangers can be a part of the mechanical ventilation system, as well as stand alone and carry out partial (due to heat exchange) or complete heating of fresh air (by using a heat transfer agent or an electric heater). Depending on the place of application and the recuperator type, they can have different energy efficiency or thermal efficiency, price, and respectively, energy economic indicators and payback period. Often, the developers and plants, the manufacturers go on partial deterioration of these indicators to reduce the product price, suggesting to use simpler structures, in particular, recuperators of “air-air” type with a different number of pipes in the heat exchanger. In the present material, the methods of calculation of multi-pipe recuperators for utilization of heat of exhausted air, having the simplest structures, are given. The areas of expedient use in various climatic conditions of the Republic of Armenia are determined. The criteria are the given expenses, fuel economy, their manufacture costs.
© The Authors, published by EDP Sciences, 2019
This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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