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The American Journal of Engineering and Technology

Volume 3.
Issue 01.

Volume03Issue01

January 2021

Explore the research published in this issue. Read article details, abstracts and available full-text files.

Open access ISSN 2689-0984 13 articles
tajet ISSN 2689-0984

Ideas without
boundaries.

The American Journal of Engineering and Technology

VOLUME 3 / ISSUE 01 JANUARY 2021
IN THIS ISSUE

Table of contents.

13 articles

Engineering and Technology

13 articles
1
Engineering and Technology · OPEN ACCESS 31 January 2021

Application Of Electric Drives With Two-Zone Regulation

Abdullayev M., Matkasymov M. M.

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The article describes the purpose and scope of the two-zone regulation, the General principles of the dual-zone implementation of regulatory requirements for point to specific mechanisms, the basic concepts and goals of the two-zone regulation, the principle of dual control. The article highlights the possibility of asynchronous and synchronous drives against dual-zone regulation, the ranges of this regulation in open and closed electrical drives, both in asynchronous and synchronous, dual-zone analysis of regulation in the system of vector control of induction motor.

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2
Engineering and Technology · OPEN ACCESS 14 January 2021

Execution Hope As A Determinant For Distributed Computing Acknowledgment In Kenyan Public Universities

P. Ikoha Anselemo

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Distributed computing is interrelated with discernment for the arrangement of figuring foundation and different administrations. It gives a framework that is adaptable, usable, practically open and movable Information Technology assets that need not be possessed by an individual yet can be conveyed as an administration over the Internet. This paper talks about the impact of Performance Expectancy on the acknowledgment to utilize Cloud Computing inside state funded colleges in Kenya. Blended technique research was utilized with Purposive and Stratified testing being utilized to choose the example populace and the example size was 181 respondents from four state funded colleges which were shown up at by utilizing relative assignment strategy. Polls and meetings were utilized to catch information. The examination set up components, for example, Performance Expectance to be an immediate indicator of worthiness of distributed computing, relocation to the distributed computing ought to be organized and gradual and more individuals would utilize Cloud Computing whenever offered admittance to solid web and PCs.

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3
Engineering and Technology · OPEN ACCESS 27 January 2021

Energy-Saving Materials In Residential Architecture

Kosimov Saidjon , Urmonov Bakhrom

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The article discussed and gave recommendations on equipping the outer coatings of the building with modern energy-efficient materials and innovative technologies, creating a microclimate in a residential area through architectural and spatial form and design solutions, and comprehensive use of the solution and the “smart home” style in arranging the internal environment.

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4
Engineering and Technology · OPEN ACCESS 23 January 2021

Effective Aspects Of Types And Contents Of Powder Fire Extinguishers

Bakhrom Toshmuratovich Ibragimov , Muzaffar Shavkatovich Karimov , Umidjon Yusubbekovich Khamdamov

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In this research paper analyzes powder fire extinguishing agents, including their composition. Particular attention is paid to the means of local production. The author describes local fire extinguishing agents, for example, calcium sulfate, phosphogypsum, sodium bicarbonate and ammonium phosphate in powder form.

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5
Engineering and Technology · OPEN ACCESS 31 January 2021

Reliability Of An Automatic Adjustable Current Transformer

Mukhsimov Sh.S.

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In the article the reliability calculations of automatic transformers with adjustable range are performed. Since reliability is one of the main characteristics of current transformers, several parameters of its range are included in the calculation of the reliability of an automatic adjustable current transformer, and as a result, high-precision values of reliability were achieved.

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8
Engineering and Technology · OPEN ACCESS 15 January 2021

Criteria For The Use Of Elements Of Reliability In The Exploitation Of Reservoirs

Rakhmatulla Azatboyevich Ermanov, Daniyar Тanirbergenovich Paluanov

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In this study, the assessment of the safety of reservoirs and their hydraulic structures considered reliability criteria related to the quality of design and construction work, natural and anthropogenic impacts during exploitation, exploitation, technical condition and other factors. There are measures to eliminate problems that arise during the exploitation of reservoirs.

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9
Engineering and Technology · OPEN ACCESS 31 January 2021

Computer Viruses And Diagnostics

Korotkova Larisa Alexandrovna , Aripova Mapusa Kasimovna, Baimatova Nargiza Tukhtabayevna, Ibragimova Barno Bahramova

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Computer viruses are specially written small programs that can embed themselves in the source code of other programs (i.e. infect them) or in documents of a special format containing macros, such as Word, Excel, as well as perform various unwanted actions on the computer.

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10
Engineering and Technology · OPEN ACCESS 26 January 2021

Calculation Of High Harmonics Produced By The Saturation Of A Magnetic Core Of A Current Transformer

Sultan Fayzullayevich Amirov , Shavkat Mukhsimov , Otabek Tashmuhammatovich Boltayev

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The article developed an expression that allows to determine the amplitude values of different harmonics of the magnetizing current at high harmonics caused by the saturation of the magnetic core of the current transformer. Using this expression, it is possible to determine the percentage of the main harmonics obtained for different harmonics, and the determined results allow to accurately set the value of the current (voltage) in the transition state from one range to another to automatically adjust the range of the current transformer.

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11
Engineering and Technology · OPEN ACCESS 23 January 2021

Studies On The Resistance And Fire Resistance Of Reinforced Concrete

Khikmatilla Khasan Ugli Abdullayev

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This research paper deals with the study of the resistance and fire resistance of concrete structures by studying the theories of Galileo Galilei, I. Coulibin, Louis Navier, Arthur Loleit, J. Bernoulli, R. Guk, J.M. Tuglie, V.A. Baldina, A.A. Gvozdev, I.I. Goldenblat, Yu.M. Ivanova, V.M. Keldysh, V.M. Kochenova, L.I. Onishchik, N.S. Streletsky, K.E. Tal, A.V. Zhitkevich, V.M. Moskvin, V.V. Kuraev, P.P. Gedeonov and draws attention to the special properties of vermiculite as a heat-insulating material, taking into account the experience of its use both in Russia and in the United States of America.

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12
Engineering and Technology · OPEN ACCESS 31 January 2021

Analysis Of The Effect Of Chromium Content On The Mechanical Properties Of White Cast Iron

Turakhodjaev N.D., Abdullaev K. Kh, Saidmakhamadov N.M., Saidkhodjaeva Sh. N., Toshmatova Sh.T

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This article examines the effect of alloying elements of high chromium cast iron on the corrosion resistance and hardness of the alloy by heat treatment. Carbide formation and elongation strength limits were also analyzed depending on the amount of chromium and nickel. 

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13
Engineering and Technology · OPEN ACCESS 22 January 2021

High Request Peep Rate Move Keying Tweak Utilizing The Fragmentary Fourier Change

Manish Bhagnagar, Abhilash Sharma

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In this paper, we talk about an improved demodulation conspire utilizing the Fractional Fourier Transform for a balance plot utilizing twitter rate move keying, related to the empowers high request, for example more than 32-ary adjustment plans to be attainable with acceptable piece mistake rate execution, even without coding, along these lines conquering restrictions of conventional plans including stage move keying or QAM. By utilizing a FrFT-based demodulator, we grow our demodulation levels of independence from a solitary (for example recurrence) pivot to a whole time-recurrence space, called the Wigner Distribution (WD). We show how the proposed demodulation conspire utilizing the FrFT improves over past methodologies by in excess of 7 dB, empowering us to accomplish near 4-ary execution with a 32-ary tweak plot.

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