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6SCIENTIFIC PROGRESS
VOLUME 2 I ISSUE 2 I 2021 ISSN: 2181-1601
EFFICIENCY OF HEAT PROTECTION OF BARRIER STRUCTURES IN HOT
CLIMATE CONDITIONS
Nozima Shoirovna Arifdjanova
Master of Tashkent Institute of Architecture and Construction
ABSTRACT
The article provides information on how to achieve cost-effectiveness as a result of the use of multilayer wall panels that increase the comfort of living in residential buildings and allow you to keep warm in the room.
Keywords: dowels, decorative, plaster, integration, instrumentation, insulation, design, civilization.
Introduction. Under the leadership of the President of the Republic of Uzbekistan Sh.M.Mirziyoev, the implementation of reforms to accelerate the development of the country's economy is reflected in 5 priorities of the country's development identified in the Decree "On Strategy for Further Development of the Republic of Uzbekistan" for 2017-2021: higher education and economy One of the priorities is to strengthen the integration, accelerate the development of social and communal services, improve the living conditions of the population, provide the population with heat, clean drinking water and natural gas, improve the quality of education in this area, training qualified specialists.
One of these priorities is a set of architectural and technical measures to increase the energy efficiency of residential buildings, rational solutions for spatial planning for homes, thermal design of external barriers, engineering systems, control and measurement devices, as well as the use of non-traditional heat sources. consists of providing.
Volumetric planning decisions of residential buildings have a significant impact on their energy efficiency. First of all, it is necessary to pay attention to the height (number of floors) of multi-storey buildings. Research by local scientists has shown that multistorey residential buildings are exposed to special environmental influences that lead to an increase in heat loss.[1]
There are clear goals in building buildings - the building should be functional and comfortable. Convenience includes several aspects. One of the most important is the requirements for the physical parameters of the indoor environment in these buildings. To ensure human health and performance, there should always be clean, oxygen-rich air and a warm humid environment. It plays a big role in the design of exterior fencing structures: walls, cladding, windows, floors, etc. Heat, air and moisture are transmitted through enclosed structures.
SCIENTIFIC PROGRESS
VOLUME 2 I ISSUE 2 I 2021 ISSN: 2181-1601
There are many requirements for outdoor indoor structures: high thermal protection in the cold period, high thermal stability in the warm period, low energy consumption of the inner layers with changes in heat flow in the room, high air tightness, low humidity and so on. However, the basics must provide thermal protection and thermal stability.
Many architectural-planning solutions of individual projects of elite residential buildings and complexes provide 1-2 doors for access to apartments, which is in line with the recommendations. The additional door device not only provides proper ventilation mode, but also reduces heat loss by the rooms of the apartment and protects the population (residents) from excessive noise.
As a planning solution that improves the comfort of living and allows you to keep the heat in the room, we can recommend reasonable proportions of the length and width of the room. It was found that the ability of a rectangular room to withstand the effects of external heat was reduced by half compared to a deep room. In an expanded (large area) room, the temperature regime and especially radiation (radiation) improves, but at the same time the natural lighting and ventilation deteriorate. Therefore, the appropriate ratio of the depth and width of the rooms of the buildings can be obtained in the range of 1.4-1.6. With this ratio, the temperature regime of the rooms becomes more stable.
While studying the effects of low temperatures on the human body during night sleep, scientists have proved that air temperatures can drop to 14-15 ° C [2]. Such temperature control is achieved by introducing room-based control of heat input to heating devices.
It is recommended to consider the construction of residential buildings with mandatory natural light, not with the placement of the stairwell on the outer wall, but with the internal location of the stairwells and elevator unit, as in the West. This method allows you to directly increase the number of light facades used for apartments, which in turn increases the number of apartments on the floors and changes the ratio of the perimeter of the outer walls to the closed area in favor of the latter. In addition, it reduces the heat loss of the building by eliminating uncontrolled heated space such as stairs in our residential buildings.
Arranging areas on the roof or on the last two floors of penthouses - separate cottages mounted on the roof of a multi-storey residential building - leads to a high consumption of heat. A mandatory attribute of the penthouse is access to the roof through a large terrace (porch) or large glazed (equipped with a window) area to look around. Because the apartments are located on the upper floors and are protected from the outside, glazing in some homes is done around the entire perimeter. Such glazing (glazing) in our climatic conditions leads to the waste of too much energy for heating and overheating of buildings in summer.[3]
SCIENTIFIC PROGRESS VOLUME 2 I ISSUE 2 I 2021
ISSN: 2181-1601
Most of the houses under construction are already being built with glazed loggias or balconies, which gives a holistic expression of the façade architecture of the house. Glazing of loggias and balconies allows to reduce heat consumption. However, it should be borne in mind that glazing worsens the insulation conditions, reducing the illumination of rooms with natural light by about 30 percent. In addition, the glazing of loggias deprives the room of direct ventilation. Opening part of the window does not provide full ventilation and ventilation effect.
To increase the thermal efficiency of residential buildings, it is recommended to use architectural methods such as orientation of the building to indoor areas, taking into account the predominance of cold wind of the building, the maximum glazing of the southern facades and the minimum glazing of the northern facades. The specified methods of design and planning should be used in the construction of low-rise housing. The specified construction techniques and planning solutions should be applied in the construction of low-rise housing.
The systems that receive and carry heat to the room to be heated by special equipment are called heating systems. [3]
In the near future, the era of fully automated control of indoor air temperature has begun, and we are confident that the industry of the republic will begin to produce simple, reliable and low-cost room heating, controlled equipment.
In conclusion, it is important to study in depth the impact of volumetric planning solutions on energy consumption by skillfully using the thermal protection properties of passive solar heating system elements in the development of energy-efficient buildings with heat-efficient multi-layer wall panels.
REFERENCES
1. E. S. Maxmudova. Features of development of administrative centers of Baku. URBANISM 1. Baku 2001.
2. Solovev S.A., Sulkovskiy I.A., Botvina D.M. Volovik M.I. Calculate the strength of concrete on plotnyx zapolnitelyax and poristom material. Architecture and Construction of Uzbekistan, №8. 1989. - p. 34 -35.
3. Tulaganov A. Structure formation and properties of the high-strength alkaline lightweight concretes. // Alkaline cements and concretes. II international conference. 1999. Kiev, Ukraine, pp. 168-184.
