Results 1 to 10 of about 133,957 (286)

اثر تغییراقلیم بر رواناب ناشی از ذوب برف حوضه آبریز رودخانه گاماسیاب [PDF]

open access: yesهیدروژئومورفولوژی, 2021
تامین بخش عمده‌ای از آب مناطق کوهستانی از طریق رواناب ذوب برف صورت می‌گیرد. بنابراین ارزیابی دقیق آب ناشی از ذوب برف و همچنین اثرات تغییرات آب و هوایی بر روی آن، در مدیریت منابع آب امری ضروری است. در این پژوهش، رواناب ذوب‌ برف در حوضه‌ گاماسیاب تحت شرایط
سعید جهانبخش اصل   +2 more
doaj   +1 more source

Analysis of the operation of a switched reluctance motor in the extended constant power range [PDF]

open access: yesArchives of Electrical Engineering, 2023
In this paper, an analysis of the properties of a switched reluctance motor (SRM) 8/6 in an extended constant power range is presented. The typical constant power range to constant torque range ratio is between 2 and 3.
Mariusz Korkosz   +2 more
doaj   +1 more source

Future climate change impacts on runoff of scarcely gauged Jhelum river basin using SDSM and RCPs

open access: yesJournal of Water and Climate Change, 2021
Climate change is a global issue and causes great uncertainties in runoff and streamflow projections, especially in high-altitude basins. The quantification of climatic indicators remains a tedious job for the scarcely gauged mountainous basin.
Saira Munawar   +2 more
doaj   +1 more source

Simulation of runoff from Qarahsoo basin snowmelt By Using SRM model [PDF]

open access: yesنشریه جغرافیا و برنامه‌ریزی, 2021
Introduction Determining the temporal change of snowmelt or agriculture water equivalent of snow, predicting flood, and managing the reservoirs of a region is of utmost importance.
Mohammad Hossein Aalinejad   +2 more
doaj   +1 more source

Design and analysis of switched reluctance motor with FEM based Ansys-Maxwell

open access: yesMANAS: Journal of Engineering, 2022
In this study, radial forces that create noise, which is a fundamental problem in Switched Reluctance Motor (SRM), are investigated. Since radial force causes stator vibrations and noise caused by magnetic field, a new switched reluctance motor model ...
Yıldırım Özüpak
doaj   +1 more source

Implementation of Switched Reluctance Motor, Measurement of Flux Linkage, and Inductance Characteristics [PDF]

open access: yesPort Said Engineering Research Journal, 2017
Magnetization characteristics play an important role in design, implementation and performance for switched reluctance motors SRMs. The first objective in modelling of SRM is to provide a good accuracy and robust operation over the entire speed and ...
Ahmed Shehata   +3 more
doaj   +1 more source

Torque Ripple Minimization in SRM Based on Advanced Torque Sharing Function Modified by Genetic Algorithm Combined with Fuzzy PSO [PDF]

open access: yesInternational Journal of Industrial Electronics, Control and Optimization, 2018
This paper presents a new and improved Torque Sharing Function (TSF) to minimize torque ripple of Switched Reluctance Motor (SRM). This approach combined of three steps.
Hassan Moradi CheshmehBeigi   +1 more
doaj   +1 more source

Contemporary and historical detection of small lakes using super resolution Landsat imagery: promise and peril

open access: yesGIScience & Remote Sensing, 2023
Landsat is the longest-running environmental satellite program and has been used for surface water mapping since its launch in 1972. However, its sustained 30 m resolution since 1982 prohibits the detection of small water bodies, which are globally far ...
Ethan D. Kyzivat, Laurence. C Smith
doaj   +1 more source

A Comprehensive Performance Comparison between Segmental and Conventional Switched Reluctance Machines with Boost and Standard Converters

open access: yesEnergies, 2022
This paper presents the comparisons between two types of switched reluctance machines (SRMs) and SRM converters. An SRM with a segmental rotor is compared with a conventional SRM (CSRM), and an SRM converter containing a passive boost circuit is compared
Yuanfeng Lan   +4 more
doaj   +1 more source

The deployment length of solar radiation modification: an interplay of mitigation, net-negative emissions and climate uncertainty [PDF]

open access: yesEarth System Dynamics, 2023
A growing body of literature investigates the effects of solar radiation modification (SRM) on global and regional climates. Previous studies have focused on the potentials and the side effects of SRM, with little attention being given to possible ...
S. Baur   +7 more
doaj   +1 more source

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