Физика список научных статей
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Calculation of the outbreak discharges through a closure channel with trapezoid shape of cross-section
The technique for calculation of the outbreak discharges flowing through the closure channel of trapezoid shape is considered. With few limitatios this technique was tested on the example of the blocked-up dam of Kurbankul lake.
2018 / Khikmatov Bekzod Fazliddinovich, Pirnazarov Ravshan Topvoldievich
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Determination of critical angular speed of saw cylinder of a cotton gin
Results of calculations for determining the critical angular speed of saw cylinder are presented in the paper with account of a mass of raw material roll in the form of an ideal incompressible fluid. Comparison of the values of critical angular speed of a saw cylinder with an analytical method, not ...
2018 / Mukhammadiev Davlat Mustafaevich, Ibragimov Farkhod Khayrulloevich -
Deformability of the package of multilayer composite material of the working press organ for wet-heat treatment of sewing products
In this article questions of application of composite materials for manufacturing of pillows of the press equipment for damp heat treatment of garments are considered. More attention was paid to the deformability of the cushion package, which was made of composite material.
2018 / Artikbaeva Nozima Mumindjanovna, Nutfullaeva Lobar Nurullaevna, Bakhritdinova Dilrabo Amanbaevna, Shin Illarion Georgievich, Tashpulatov Salikh Shukurovich, Murodov Tahir Bakhramovich -
Modeling of the heat and moisture balance of the helio-greenhouse with the pyrolysis heating installation and the heat energy utilization
The physico-mathematical model of the heat and moisture balance of a solar heater with a pyrolysis heating installation under steady-state conditions is developed in the article. The developed mathematical model of thermal and material balances of the greenhouse allows to determine the heat load...
2018 / Uzakov Gulom Norboyevich, Davlonov Khayrulla Allamurotovich -
Research teplofizichesky properties of the clap-raw and its components
A preparation the basis comparative analysis the productivity of equipment various methods.
2018 / Usmankulov Alisher Kadirkulovich, Sadikov Farkhod Samandarovich -
A Single-quantum shift photocurrent in piezosemiconductors
The spectral and temperature dependence of the shift photocurrent in piezosemiconductors is calculated, which is due to the carrier current shift in each act of interaction of electrons with photons.
2018 / Rasulov Voxob Rustamovich, Rasulov Rustam Yavkachovich, Eshboltaev I. M, Mamadaliyeva N.Z. -
Revisiting the nature of dark sunspots: a model of hot spots
The empirical and physical inconsistency of the cold sunspot model is shown. It is shown that a dark sunspot can only be hot. Based on the results of an experimental study of the effect of a magnetic field on the intensity of visible light emitted by a tungsten filament lamp, a hot sunspot model...
2018 / Soika Alexander Kuzmich -
Simulation of the process of one-dimensional motion in full submerged cocoon in an aqueous medium
The article presents the results of an analysis of the motion of a submerged cocoon in the process of winding an elastic thread on a reel in a viscous medium. A model of a completely submerged cocoon is considered, which moves vertically upward in an aquatic environment.
2018 / Gulamov Azamat Eshankulovich, Eshmirzayev Alisher Pardayevich, Mardonov Botir, Bobotov Ulugbek -
Study of hydraulic resistance in heat exchanger tubes with local turbulators
This article presents the main results of an experimental study in the tubes of a heat exchanger with localized tourists.
2018 / Ibragimov Umidjon Hikmatullaevich, Khamraev Sardor Ilhomovich, Shamuratova Sohiba Mustafakulovna -
The problem of removal of deposits from heat exchange surfaces and their grinding
Data on the character of formation of deposits on heat exchange surfaces are presented. The main methods of cleaning contaminated surfaces are shown. Methods of waste treatment and utilization are presented.
2018 / Starykh Daria, Ivanova Anastasiya, Cherkaeva Margarita -
Application of ultrasonic waves for rail flaw detection
The purpose of this article is to identify the possibilities of excitation and reception of ultrasonic waves and the effect of defects in rail lashes on the processes of propagation.
2018 / Kurbanov Janibek Fayzullayevich, Kolesnikov I. K, Ortikov M. S -
Investigation of dimensional quantization in a semiconductor with a complex zone by the perturbation theory method
The problem of the energy spectrum and the wave function of electrons in subbands of the conduction band in n-GaP with allowance for the dimensional quantizationwais theoretically considered.
2018 / Rasulov Voxob Rustamovich, Rasulov Rustam Yavkachovich, Eshboltaev I.M., Ahmedov B., Mamadaliyeva N.Z. -
Measurement of the coefficient of thermal conductivity and finite element analysis of the stress and deformation of thermal barrier coatings
Thermal barrier coatings (TBCs) are widely used on different components of gas turbine engines especially in the combustion chamber where so much thermal energy is expended. During thermal cycling, stresses develop and this directly affects the durability of the coatings. In this study, an...
2017 / Ilinkova Tatiana Aleksandrovna, Agbanwu David Onu -
Researching the uniformity of disk harrow running throughout the tillage depth
The results of implemented researches in order to ensure the uniformity of disk harrow throughout the tillage depth with operating elements, installed on the framework at individual case at two rows are specified in this article.
2017 / Tukhtakuziev Abdusalim, Ergashev Ma'Rufjon Muhammadjonovich -
Research of thermo moisten mode inunderground vegetable storehouses in the conditions of hot - arid climate
In the article, features of creation optimum thermo Technical mode and results of researches of a temperature field of a soil mass in underground vegetable storehouses are stated.
2017 / Khujakulov Saydulla Mirzaevich, Uzakov Gulom Norboevich -
О влиянии процессов испарения воды на эффективность охлаждения в градирнях
Представлены результаты теоретического исследования охлаждения капель воды при их движении в потоке холодного воздуха в условиях, характерных для башенных градирен большой производительности, и результаты численного анализа распределений температуры по радиусу капель. Вследствие больших перепадов...
2019 / Шевелев Сергей Анатольевич, Зяблова Наталия НиколаевнаScopusВАКESCI -
Исследование информативности дистанционного зондирования взвешенных частиц в морских водах при использовании спектрорадиометров со средним пространственным разрешением
Статья посвящена анализу информативности дистанционного зондирования взвешенных частиц в морских водах при использовании спектрорадиометров со средним пространственным разрешением. Отмечается, что межкалибровочные зависимости выходных показателей рассматриваемых спектрорадиометров среднего...
2019 / Аскерова Сима Аждар Кызы, Гусейнова Рена Омар КызыВАК -
К вопросу о влиянии ошибок исходных данных на точность определения геометрических параметров технологического оборудования
В статье рассмотрен вопрос учета погрешностей исходных данных при оценке точности определения координат пунктов, используемых при геодезических наблюдениях за деформациями сушильных агрегатов, обжиговых печей и другого технологического оборудования. Исследуемые объекты имеют сложную конструкцию,...
2019 / Неволин Анатолий Геннадьевич, Медведская Татьяна МихайловнаВАК -
Определение метрических параметров территории Российской Федерации средствами геоинформационных систем
В историческом аспекте рассмотрены проблемы определения размеров территории Российской Федерации и недостатки применявшихся для этого методов. Изложены новые принципиальные подходы, алгоритмы и дано краткое описание технологии определения метрических параметров территории России с использованием...
2018 / Обиденко Владимир ИвановичВАК -
Сверхразрешение в акустических фокусирующих устройствах
В статье рассмотрен актуальный вопрос о повышении в акустических системах пространственного разрешения сверхдифракционного предела. Произведено сравнение электромагнитных и акустических (упругих) волн. Предложены простые фокусирующие акустические устройства, формирующие «фотонные» струи в акустике...
2018 / Минин Олег Владиленович, Минин Игорь ВладиленовичВАК
