Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Veli ÇELİK"'
Autor:
Murat Oymak, Halil Yıldırım, Mustafa Yıldız, Burak Özcan, Yasin Çelebi, Muhammet Abdullah Enes Çelebi, Veli Çelik
Publikováno v:
Applied Sciences, Vol 14, Iss 13, p 5523 (2024)
This study investigates the impact of material parameters such as yield strength (Sy), Young’s modulus (E), and tangent modulus (T) on the safety factor (SF) of autofrettaged cylinders under 400 MPa working pressure, considering the three scenarios
Externí odkaz:
https://doaj.org/article/3134232a8c0643d2bf2bce142917e80c
Autor:
Onur Güngör, Veli Çelik
Publikováno v:
Defence Technology, Vol 14, Iss 5, Pp 412-416 (2018)
A dynamical moving pressure structural numerical calculation model using the internal ballistics calculation pressure-time results was constituted and the vicinity of the internal ballistics and quasi-internal ballistics structural model was checked.
Externí odkaz:
https://doaj.org/article/169b333443984bdcbc0ce93eb952e992
Publikováno v:
Pamukkale University Journal of Engineering Sciences, Vol 13, Iss 1, Pp 31-37 (2007)
Bu çalışmada çift bazlı katı roket yakıtlarının üretimlerinde önemli bir aşamayı oluşturan ekstrüzyonla şekillendirme safhasının, Ansys® sonlu eleman benzetim paketi yardımıyla 3-boyutta modellemesi gerçekleştirilmiştir. Direk
Externí odkaz:
https://doaj.org/article/967bd3d62a8145aea024f723400fffd1
Publikováno v:
Pamukkale University Journal of Engineering Sciences, Vol 13, Iss 1, Pp 31-37 (2007)
In this study, three dimensional modelling of extrusion forming of a double base solid rocket propellant is performed on Ansys® finite element simulation package. For the purpose of initial model construction and later comparisons with elastoviscopl
Externí odkaz:
https://doaj.org/article/aa0a665093584808bbbfa1074c765134
Publikováno v:
Uluslararası Yakıtlar Yanma Ve Yangın Dergisi. 9:42-49
In this study, a proton exchange membrane fuel cell operating at low temperatures with a single channel is modeled. The prepared model has been compared with experimental data and its accuracy has been proved. Using this model, the impact of the chan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::097dcee3624cadc5e316437858f39ada
https://doi.org/10.52702/fce.993508
https://doi.org/10.52702/fce.993508
Autor:
Veli ÇELİK, Bülent YAŞAR
Publikováno v:
Volume: 7, Issue: 4 582-589
Journal of Advanced Research in Natural and Applied Sciences
Journal of Advanced Research in Natural and Applied Sciences
In this study, the trapping effect of light blue traps suspended in the cherry orchard and also in fourdifferent directions was determined by using attractants of Tropinota hirta (Coleoptera: Cetoniidae) causingeconomic damage on the flowers of cherr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::67fe0013eeaa7896ad9a5d7d77b896f5
https://dergipark.org.tr/tr/pub/jarnas/issue/66083/947563
https://dergipark.org.tr/tr/pub/jarnas/issue/66083/947563
Ranjbar, Mostafa/0000-0002-9670-7371; Arslan, Hakan/0000-0002-2019-1882 WOS: 000495519000003 The acoustic attenuation and performance analysis for blast flow field inside a silencer is investigated. In this regard, a silencer system is designed to re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aebf491beb6e4f36ee24f5e2afe8b625
https://hdl.handle.net/20.500.12587/12904
https://hdl.handle.net/20.500.12587/12904
Publikováno v:
Volume: 34, Issue: 2 855-864
Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
Otofretaj, kalın cidarlı silindirlerin kullanımı öncesinde silindir cidarında kalıntı gerilme oluşturma işlemidir. Bu kalıntı gerilmeler yüksek basınçlı uygulamalarda servis basıncının uygulandığı esnada oluşan gerilmelerin bir
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0d1b5b02fec5d4984a7748ccd4eac269
https://hdl.handle.net/20.500.12587/14005
https://hdl.handle.net/20.500.12587/14005
Publikováno v:
Fuel. 115:794-803
WOS: 000325647000093 The burning rate of the solid rocket propellants is one of the most important factors that determine the performance of the rocket. The burning rate of rocket motors running with solid propellant is called flame regression, which
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b4fb222dbf5d92812a0b0b3f8f84ff66
https://doi.org/10.1016/j.fuel.2013.05.033
https://doi.org/10.1016/j.fuel.2013.05.033
Publikováno v:
Solar Energy Materials and Solar Cells. 90:582-587
WOS: 000235635600003 The effect of high intensity of electric fields on the operation of a single-crystal Si solar cell was investigated in this work. A single-crystal Si solar cell was irradiated by spontaneous and stimulated light sources. Firstly,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db31080455d9baa7661bf3078977772d
https://doi.org/10.1016/j.solmat.2005.04.038
https://doi.org/10.1016/j.solmat.2005.04.038