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Engineering: Недавние поступления

Отображаемые элементы 141-160 из 651

Enhancing the efficacy of humidifier-dehumidifier desalination in humid regions through the use of an absorption refrigeration cycle (an economic and experimental investigation)

Abdullaev, Sherzod; Abdullaeva, Barno Sayfutdinovna; Opakhai, Serikzhan; Alzubaidi, Laith H. (International Journal of Thermofluids, 2024)

This experimental study investigates the performance of a novel humidifier-dehumidifier (HDH) desalination system integrated with a vapor absorption refrigerator (VAR) and photovoltaic (PV) panels for humid regions. The ...
Enhancing internet of things security against structured query language injection and brute force attacks through federated learning

Adamova, Aigul; Zhukabayeva, Tamara; Mukanova, Zhanna; Oralbekova, Zhanar (International Journal of Electrical and Computer Engineering (IJECE), 2025)

The internet of things (IoT) encompasses various devices for monitoring, data collection, tracking people and assets, and interacting with other gadgets without human intervention. Implementing a system for predicting ...
Enhancing Analytical Precision in Company Earnings Reports through Neurofuzzy System Development: A Comprehensive Investigation

Matkarimov, Bakhyt; Barlybayev, Alibek; Karimov, Didar (Journal of Electrical and Computer Engineering, 2024)

Te object of research is the fundamental and technical indicators of companies after the release of the earnings report. Tis study attempts to address the issue of understanding the impact of fundamental and technical ...
ENHANCEMENT OF POWER CONVERSION EFFICIENCY OF DYE-SENSITIZED SOLAR CELLS VIA INCORPORATION OF GAN SEMICONDUCTOR MATERIAL SYNTHESIZED IN HOT-WALL CHEMICAL VAPOR DEPOSITION FURNACE

Toktarbaiuly, O.; Baisariyev, M.; Kaisha, A.; Duisebayev, T.S.; Ibrayev, N.Kh.; Serikov, T.M.; Ibraimov, M.K.; Khaniyev, B.A.; Tezekbay, Y.Zh.; Zhambyl, A.N.; Nuraje, N.; Sugurbekova, G.K. (Eurasian Physical Technical Journal, 2024)

This study discusses the results of plasma enhanced chemical vapor deposition synthesis of GaN on sapphire and silicon substrates using specific parameters: a forward output voltage of 150 watts, a N2 gas flow rate of ...
Enhancement in fuel cells: PGM-free catalysts, nanostructured supports, and advanced membrane technology toward low-carbon emission

Kuterbekov, Kairat A.; Bekmyrza, Kenzhebatyr Zh.; Kabyshev, Asset M.; Kubenova, Marzhan M.; Baratova, Aliya; Abdullayeva, Iroda; Ayalew, Abebe Temesgen (International Journal of Low-Carbon Technologies, 2025)

This study introduces innovative advancements in catalyst and membrane technology to improve fuel cell performance and reduce costs. Platinum-group metal (PGM)-free iron–nitrogen–carbon (Fe–N–C) catalysts achieved a 0.85 ...
Enhanced adsorption of emerging contaminants from pharmaceutical wastewater using alkaline-treated pineapple leaf fiber integrated with UV-LED technology

Mkilima, Timoth; Saspugayeva, Gulnur; Kaliyeva, Gulzhan; Samatova, Indira; Rakhimova, Bibigul; Tuleuova, Gulkhan; Tauyekel, Akku; Batyayeva, Yelena; Karibzhanova, Rosa; Cherkeshova, Salima (Case Studies in Chemical and Environmental Engineering, 2024)

The alarming rise of pharmaceutical contaminants in wastewater poses a significant environmental and public health challenge. Addressing this issue, this study investigated the potential of alkaline-treated pineapple ...
Energy, exergy and thermo-economics analyses of hybrid solar, steam turbine and biomass gasification system for hydrogen production by polymer membrane electrolyzer

Kuterbekov, Kairat; Kabyshev, Asset; Bekmyrza, Kenzhebatyr; Kubenova, Marzhan (International Journal of Thermofluids, 2024)

This study presents an evaluation of the energy exergy and thermo-economics of a hybrid power generation system that simultaneously produces power, heat, and hydrogen using solar and biomass energy. The system employs ...
Energy conditions in f( Q, Lm) gravity

Myrzakulov, Y.; Donmez, O.; Koussour, M.; Muminov, S.; Ostemir, D.; Rayimbaev, J. (Eurasian Physical Journal C, 2025)

We are experiencing a golden age of experimental cosmology, with exact and accurate observations being used to constrain various gravitational theories like never before. Alongside these advancements, energy conditions play ...
EFFECTS OF GEOGRID AND NON-WOVEN GEOTEXTILES ON THE SHEAR BEHAVIOR OF SOIL

Tulebekova, Assel; Kusbergenova, Zhanar; Dosmukhambetova, Balganym; Bakirova, Dana; Tleulenova, Gulshat; Zhumadilov, Iliyas (International Journal of GEOMATE, 2024)

Geosynthetic reinforcement plays a significant role in construction projects by stabilizing and enhancing the bearing capacity of soil. However, the complex interactions between soil and geosynthetic materials are open ...
Effect of decoupling parameters on maximum allowable mass of anisotropic stellar structure constructed by mass constraint approach in f( Q)-gravity

Maurya, S. K.; Aziz, Abdul; Singh, Ksh. Newton; Das, Amit; Myrzakulov, Kairat; Ray, Saibal (Eurasian Physical Journal C, 2024)

In the present article anisotropic solutions with vanishing complexity in the framework of f (Q) gravity are generated. At first, the field equations in f (Q)-gravity are gravitationally decoupled where the isotropic ...
Effective detection of breast pathology using machine learning methods

Orazayeva, Ainur; Tussupov, Jamalbek; Shangytbayeva, Gulmira; Galymova, Assem; Zhunissova, Ulzhalgas; Tergeussizova, Aliya; Tleubayeva, Arailym; Kenzhebayeva, Zhanat (International Journal of Electrical and Computer Engineering (IJECE), 2024)

This work is devoted to the research and development of methods for effectively identifying breast pathologies using modern machine learning technologies, such as you only look once (YOLOv8) and faster region-based ...
Effect of rhodium doping for photocatalytic activity of barium titanate

Kaptagay, G.A.; Satanova, B.M.; Abuova, A.U.; Konuhova, M.; Zakiyeva, Zh.Ye.; Tolegen, U. Zh; Koilyk, N.O.; Abuova, F.U. (Optical Materials: X, 2025)

By means of DFT oxygen evolution reaction on Rh-doped BaTiO3 (001) surface has been modeled. Gibbs free energies for each step of the reaction as well as the values of overpotential have been calculated, taking into ...
Effect of Plasma Quenching Parameters on Hardened Layer Properties in Railroad Wheels

Kanayeva, Azamat; Kanayev, Amangeldy; Moldakhmetova, Aliya (Tribology in Industry, 2025)

This research investigates the effect of quenching current, nozzle-tosurface distance, plasma-forming gas flow rate, and rate of cooling on both plasma torch travel speed (treatment speed) and nozzle diameter. Cooling ...
Effect of irradiation temperature on the mobility of structural and vacancy defects in the damaged layer of Li2ZrO3 ceramics

Abyshev, Bauyrzhan K.; Giniyatova, Sholpan G.; Kozlovskiy, Artem L. (Optical Materials: X, 2024)

The paper presents the assessment results of the irradiation temperature effect on the change in the type of structural defects caused by irradiation with helium ions in the near-surface layer of Li2ZrO3 ceramics, as ...
Dump Truck Operational Efficiency: A Case Study of the Don Mining and Processing Plant

Myrzabekov, Nurlybek M.; Karazhanov, Abdikarim A.; Murzagaliev, Akhmet Zh.; Alipbayev, Zhassulan R.; Kokayev, Umirzhan Sh. (International Journal of Transport Development and Integration, 2025)

The paper considers the issues of the urgent problem of increasing the efficiency of the organization and planning of the maintenance system of mining dump trucks. The methods of analysis and synthesis of a priori ...
Drone direction estimation: phase method with two-channel direction finder

Kozhabayeva, Indira; Yerzhan, Assel; Boykachev, Pavel; Manbetova, Zhanat; Imankul, Manat; Yauheni, Builou; Solonar, Andrey; Dunayev, Pavel (International Journal of Electrical and Computer Engineering (IJECE), 2024)

This scientific article presents a block diagram of a two-channel radio direction finder that effectively uses the phase method to determine the direction of the signal source. The main attention is paid to the ...
DIGITAL MODEL OF AUTOMATED UNMANNED AERIAL VEHICLE WITH EDGE COMPUTING APPLICATION FOR RAILWAY RECONNAISSANCE

Tulembayeva, Aigul; Ashirov, Shayakhmet; Makarov, Evgenij; Seitbattalov, Zhexen (Acta Polytechnica, 2024)

In the last decade, unmanned aerial vehicles have been widely used in various civil and military field operations. Most modern drones are manually controlled by an operator and require decision making, which requires ...
DIAGNOSTICS OF AN INNOVATIVE REPAIR KIT FOR TRANSPORT EQUIPMENT UNITS

KUSHALIEV, Dauren Kaysarovich; ZABIEVA, Aliya Batyrbekovna; BALGYNOVA, Akzharkyn Merekeevna; BURDZIK, Rafał; ALIPBAEV, Zhasulan Ratkanovich (DIAGNOSTYKA, 2024)

The article presents the transmission of a truck, where innovative repair kits of the driveshaft crosspiece are used. The crosspiece is an element of the transmission, and transmits all the torque from the gearbox to the ...
DFOS Technology in Geoengineering Monitoring in the Past 35 Years: A Bibliometric Analysis

Wang, Jia; Garg, Ankit; Satyam, Neelima; Zhussupbekov, Askar; Sushkova, Svetlana (Sensors, 2024)

DFOS (distributed fiber-optic sensing) technology has shown the potential to increase the accuracy of measurement after years of development and experimenting in geoengineering monitoring. To better understand the ...
Devising an approach to conducting full-scale experiments in physics that provides for the improved efficiency when measuring physical quantities

Medetov, B.; Zhetpisbayeva, A.; Serikov, T.; Khamzina, B.; Akhmediyarova, A.; Yskak, A.; Zhexebay, D.; Albanbay, N. (Eastern-European Journal of Enterprise Technologies, 2025)

The object of this study is a procedure for measuring physical quantities under laboratory conditions at educational institutions. The issue related to this case is the lack of any comprehensive method and technical ...

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