Zobrazeno 1 - 10
of 161
pro vyhledávání: '"EBRAHIM amiri"'
Autor:
Ebrahim Amiri, Masoome Khani Chamani, Mahdi Jafari-Nodoshan, Sajjad Ghazanfarinia, Masoud Khoshsima
Publikováno v:
فصلنامه علوم و فناوری فضایی, Vol 17, Iss 3, Pp 1-14 (2024)
An economic model generally describes the mechanisms used to generate revenue from a business. If it fails to generate income, its failure is inevitable. Therefore, decisions regarding missions are not based solely on technical specifications; econom
Externí odkaz:
https://doaj.org/article/89896c436faf445d930ed05806c824fe
Publikováno v:
Ikufīziyuluzhī-i Giyāhān-i Zirā̒ī, Vol 17, Iss 67, Pp 389-408 (2024)
In order to investigate irrigation management and the effects of different amounts of nitrogen fertilizer on hybrid corn SC704 experimental in the form of crushed plots in the form of complete randomized block design in three replications during two
Externí odkaz:
https://doaj.org/article/f9d814fb7bd741f58e779fbfc287ebcd
Publikováno v:
Ikufīziyuluzhī-i Giyāhān-i Zirā̒ī, Vol 17, Iss 68, Pp 461-474 (2024)
In order to investigate the effect of irrigation regimes and amounts of humic acid on the quantitative and qualitative characteristics of peanuts, an experiment was conducted a split in a randomized complete block design. It was performed with three
Externí odkaz:
https://doaj.org/article/5375b76b3fdb4cf6b64930e437c3724d
Autor:
Zahra Rabiei, Naser Mohammadin Roshan, Seyyed Mostafa Sadeghi, Ebrahim Amiri, HamidReza Doroudian
Publikováno v:
Ikufīziyuluzhī-i Giyāhān-i Zirā̒ī, Vol 15, Iss 60, Pp 493-514 (2024)
To evaluate the effects of potassium and nitrogen fertilizers on yield and lodging characteristics of Gilaneh rice cultivar under two irrigation regimes (permanent flooding and irrigation with to 10 days interval) a field split split plot experiment
Externí odkaz:
https://doaj.org/article/9cc7ca5043d243e0bf422447ffca2eda
Publikováno v:
IEEE Access, Vol 12, Pp 50244-50253 (2024)
This paper presents design, analytical modeling and optimization of a 55 watts, 3000 rpm surface mounted permanent magnet (SPM) machine with cubical permanent magnets (PMs) for the cooling fan application. First, the size/dimensions of the motor are
Externí odkaz:
https://doaj.org/article/67e21a9652c94c6e89b1a1da38277f5b
Publikováno v:
IET Electric Power Applications, Vol 18, Iss 1, Pp 52-63 (2024)
Abstract The authors present a new design of a PM‐assisted synchronous reluctance motor (PM‐SynRM) with uneven air‐gap length to improve the power factor and enhance the torque production capability. The rotor structure is modified to properly
Externí odkaz:
https://doaj.org/article/313f6c93522d43e1aa5c4a95cf45c251
Publikováno v:
IET Electric Power Applications, Vol 17, Iss 6, Pp 855-866 (2023)
Abstract The authors deal with design and analysis of an air‐core electromagnetic fault current limiter (FCL) with rotary motion. The proposed device is characterised by a simple structure, fast operating speed and reversible operation. It consists
Externí odkaz:
https://doaj.org/article/d713d2e0d80545159485bde65e5c1eb5
Publikováno v:
IEEE Access, Vol 11, Pp 110472-110478 (2023)
Cranking railway engines in high currents could lead to a series of undesirable effects on the starter motor such as melting copper contacts and disk inside the solenoid. This paper investigates the impact of a defective solenoid on the performance o
Externí odkaz:
https://doaj.org/article/411015d8a7ff4bd79388499eb10d4a08
Publikováno v:
IEEE Access, Vol 11, Pp 32792-32803 (2023)
Rotary electromagnetic fault current limiter (FCL) is an emerging technology for limiting fault currents in the power network. The device consists of two movable air-core spherical reactor rings (i.e., inner and outer rings). The movable feature allo
Externí odkaz:
https://doaj.org/article/48103c0542a94a5d8ea332912cb34c8f
Autor:
Bikrant Poudel, Ebrahim Amiri
Publikováno v:
IEEE Access, Vol 11, Pp 18281-18290 (2023)
This paper presents an automated deep learning-based design methodology to facilitate the design and optimization processes in electro-mechanical energy conversion devices. To validate the generality of the model, a complex machine structure with hyb
Externí odkaz:
https://doaj.org/article/646403a849304887aefe0e52ef72b865