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  Subjects -> ARCHITECTURE (Total: 219 journals)
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Journal of Architectural and Engineering Research
Number of Followers: 4  

  This is an Open Access Journal Open Access journal
ISSN (Online) 2738-2656
Published by National University Of Architecture And Construction Of Armenia, Homepage  [1 journal]
  • Development of Technology and a ConvertŠµr for Neutralizing Greenhouse
           Gases Emitted from Automobiles

    • Authors: Yeghiazar Vardanyan, Valerik Harutyunyan, Vladimir Koichev, Karapet Mosikyan
      Pages: 3 - 10
      Abstract: The article touches upon the issues of global warming associated with carbon dioxide (CO2) emissions into the atmosphere from vehicle internal combustion engines (ICE). To neutralize existing greenhouse gases emitted by ICE, in particular CO2, the interaction of the latter with various chemicals has been studied. The dynamics of exhaust gas emissions from ICE cylinders were observed. The experimental research was conducted to develop a greenhouse gas neutralization technology. Carbon dioxide neutralization converter with three neutralization batteries and a homogenization device is presented. This converter can guarantee CO2 neutralization of up to 92%. The formation of CO2 in the cylinders of modern petrol engines is due to the final combustion of the air-petrol fuel mixture. The combustion of the latter in the cylinder can be heterogeneous and diffusive. In addition, CO2 is generated in large quantities during diffusion combustion. The most effective method of diffusive combustion was chosen by the constructors of modern ICE, which is the formation of an artificial turbulent gas-dynamic condition for the fuel mixture due to the increase in the temperature of the air adsorbed in the cylinder, which ensures the engine's thermal energy efficiency coefficient of up to 35%. The CO2 volume in the exhaust gases of such engines reaches up to 16%. Thus, considering the perfection of modern ICE design for providing a high-efficiency reaction for the hydrocarbon oxidation in the fuel mixture in the combustion chamber, it becomes apparent that the presence of about 16% CO2 in the fractional composition of emitted dissolved gases is a serious problem in terms of increasing the volume of greenhouse gases in the atmosphere. Therefore, the goal of this article is to develop a reduction technology.
      PubDate: 2024-01-25
      DOI: 10.54338/27382656-2024.6-001
      Issue No: Vol. 6 (2024)
       
  • Trachyandesite: A Resource for the Future of Old Buildings

    • Authors: Gwenn Gayet-Kerguiduff
      Pages: 11 - 15
      Abstract: The aim of this action research project is to (re)define and (re)get to know the material trachyandesite. A magmatic rock that has contributed to the identity of the Massif Central region, through the construction of towns since the 15th century, its exploitation has accelerated with industrial growth. Its presence grew and its uses spread throughout France. If this stone confers a specific and visual identity, it is today one of the components of the built heritage of a French region, at one with the landscape because it is at its heart. Understanding the materiality of this stone and its many characteristics is a key factor in the restoration of old buildings. Could knowledge of the qualities of trachyandesite (refractory stone, high pyroscopic resistance) as a local, low-carbon-emission material enhance the value of constructions and/or restorations that could be described as geosourced'
      PubDate: 2024-02-13
      DOI: 10.54338/27382656-2024.6-002
      Issue No: Vol. 6 (2024)
       
 
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  Subjects -> ARCHITECTURE (Total: 219 journals)
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School of Mathematical and Computer Sciences
Heriot-Watt University
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