Zobrazeno 1 - 10
of 14
pro vyhledávání: '"mehdi pourmostafa"'
Autor:
Mehdi Pourmostafa, Parviz Ghadimi
Publikováno v:
Cogent Engineering, Vol 7, Iss 1 (2020)
Using the controllable pitch propeller (CPP) in marine propulsion system makes it possible to have maximum ship speed and low fuel consumption at different engine rpm. Good maneuverability is another advantage of such propeller. This feature has pers
Externí odkaz:
https://doaj.org/article/a088569ff9ea46658ce6bf184421180f
Publikováno v:
Advances in Civil Engineering, Vol 2020 (2020)
Although breakwaters are of great importance to damp the wave energy and protect floating vessels/facilities, they are not fully successful in reducing the waves’ height. Therefore, special attention should be paid to accurately investigate the per
Externí odkaz:
https://doaj.org/article/09d421038c2b4bfa83abd330918d0705
Publikováno v:
مدیریت اطلاعات سلامت, Vol 10, Iss 7, Pp 901-911 (2014)
مقدمه:امروزه کیفیت خدمت از مهمترین جنبههای مدیریتی سازمانهای خدماتی هستند و مشتری محوری، استراتژی اول تمام سازمانهای دنیا به شمار
Externí odkaz:
https://doaj.org/article/fc78f2258afa4c5faf378c550b8aab6b
Publikováno v:
مدیریت تولید و عملیات, Vol 2, Iss 1, Pp 61-82 (2012)
Due to continuous changes in organizational environment, there is no warranty for long term survival in the market. Currently, those organizations can succeed that are agile and able to rapidly respond to environmental requirements. In this research
Externí odkaz:
https://doaj.org/article/00676efc33be496cb3991b3bc0c62cfe
Autor:
Ali Shaemi Barzoki, Javad Khazaei Pool, Mehdi Pourmostafa Khoshkroudi, Hadi Balouei Jamkhaneh
Publikováno v:
تحقیقات بازار یابی نوین, Vol 2, Iss 2 (2012)
Considering the importance and position of internet banking and the growing trend of internet banking services in the country in recent years, today the financial and credit institutions and banks have found that obtaining a good position in maintain
Externí odkaz:
https://doaj.org/article/d03fa844db25417686671b91b0635e3e
Autor:
Saeed Najafi, Mehdi Pourmostafa
Publikováno v:
Journal of Marine Science and Application. 21:92-105
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0a1049166b9ff113464a3f7dc548480f
https://doi.org/10.1007/s11804-022-00279-6
https://doi.org/10.1007/s11804-022-00279-6
Autor:
Parviz Ghadimi, Mehdi Pourmostafa
Publikováno v:
Journal of the Brazilian Society of Mechanical Sciences and Engineering. 43
In this paper, flow around a submerged controllable pitch propeller is analyzed by developing a general 3D unsteady numerical model, based on boundary element method (BEM) in an infinite extended flow. BEM is combined with time stepping method to mod
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3da16239a79773d5554b952e31bdb0a6
https://doi.org/10.1007/s40430-020-02755-y
https://doi.org/10.1007/s40430-020-02755-y
Autor:
Parviz Ghadimi, Mehdi Pourmostafa
Publikováno v:
Cogent Engineering, Vol 7, Iss 1 (2020)
Using the controllable pitch propeller (CPP) in marine propulsion system makes it possible to have maximum ship speed and low fuel consumption at different engine rpm. Good maneuverability is another advantage of such propeller. This feature has pers
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0eff2f92749e69ac69f0355c1b5c4a8c
https://doaj.org/article/a088569ff9ea46658ce6bf184421180f
https://doaj.org/article/a088569ff9ea46658ce6bf184421180f
Autor:
Parviz Ghadimi, Mehdi Pourmostafa
Publikováno v:
Mathematical Problems in Engineering, Vol 2020 (2020)
A 3D unsteady computer solver is presented to compute incompressible Navier-Stokes equations combined with the volume of fraction (VOF) method on an arbitrary unstructured domain. This is done to simulate fluid flows in various applications, especial
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::06d5f7b1e1121b8f3f36fb32158cc6ed
https://doaj.org/article/6d4483b117974c96a9d01fe01c76c126
https://doaj.org/article/6d4483b117974c96a9d01fe01c76c126
Autor:
Parviz Ghadimi, Mehdi Pourmostafa
Publikováno v:
Journal of the Brazilian Society of Mechanical Sciences and Engineering. 40
Interaction of an oscillating foil in uniform flow would produce a forwarding thrust. The efficiency of this phenomenon is very dependent on the heave and pitch frequencies, and especially different phase angles. It is also well known that in the cas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b28c065d79fe029b8a5c44e2c992024
https://doi.org/10.1007/s40430-018-1323-1
https://doi.org/10.1007/s40430-018-1323-1