Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Ji Sheng Ma"'
Autor:
Ji-sheng Ma
Publikováno v:
Defence Technology, Vol 14, Iss 6, Pp 674-676 (2018)
A power function relation between number of rounds and barrel wear amount is created based on the test data from firing of large-caliber barrels. The function is optimized to fully fit the test data. A new concept of diameter change rate of bore is p
Externí odkaz:
https://doaj.org/article/f84de9f7c67d4636be608d540b11ddc1
Autor:
Kate Fox, Laura Ospina-Rozo, Jair E. Garcia, Chaitali Dekiwadia, Matthew R. Field, Andrew D. Greentree, Adrian G. Dyer, Nhiem Tran, Ji Sheng Ma, Mani Shrestha
Publikováno v:
Scientific Reports, Vol 10, Iss 1, Pp 1-12 (2020)
Scientific Reports
Scientific Reports
Plant organs including flowers and leaves typically have a variety of different micro-structures present on the epidermal surface. These structures can produce measurable optical effects with viewing angle including shifts in peak reflectance and int
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ca83c36ab023b49f11915a3e4f439354
https://doi.org/10.1038/s41598-020-67663-6
https://doi.org/10.1038/s41598-020-67663-6
Publikováno v:
Journal of Shanghai Jiaotong University (Science). 20:477-481
Ramming system is the key device to guarantee the firing speed of self-propelled gun. Based on traditional reliability enhancement testing method, a new kind of reliability enhancement testing simulation method of ramming system is put forward firstl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::998a8bd6f496f0da41ba258d90a5b88a
https://doi.org/10.1007/s12204-015-1653-4
https://doi.org/10.1007/s12204-015-1653-4
Publikováno v:
Advanced Materials Research. :2849-2853
Auto-rotated precision of gun barrel is a key operation of firing, and the research of its testing method should depend on its index computing. According to discrete value in the firing table and the exterior ballistic computation based on least squa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5ceadd66b9670f6149c118abcc50b16b
https://doi.org/10.4028/www.scientific.net/amr.989-994.2849
https://doi.org/10.4028/www.scientific.net/amr.989-994.2849
Publikováno v:
Applied Mechanics and Materials. :2129-2132
In order to better study the wear state of vital parts of the large scale equipment, and overcoming the disadvantage of small sample of vital parts, we use the least squares support vector machine (LS_SVM) algorithm to predict the wear state of vital
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::49a970dd6f89a53e154085d20d75ade6
https://doi.org/10.4028/www.scientific.net/amm.584-586.2129
https://doi.org/10.4028/www.scientific.net/amm.584-586.2129
Publikováno v:
Applied Mechanics and Materials. 529:701-704
Aimed at the problem in the gun barrel life prediction, a method of gun barrel life prediction based on record of firing was pointed out. On the basis of internal trajectory resolving, the equivalent life transform coefficient for gun barrel based on
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb62a4000c4661c831938e6421dcb80a
https://doi.org/10.4028/www.scientific.net/amm.529.701
https://doi.org/10.4028/www.scientific.net/amm.529.701
Publikováno v:
Applied Mechanics and Materials. 299:31-34
The rocket launch tower is a kind tower of large scale which is used in many important palces, in order to counter the tower faults problems such as leaning, bulking, etc.According to the theory of multimodal analysis, mathematical modeling and simul
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cb83de8d30997654cd9ee6612ad20858
https://doi.org/10.4028/www.scientific.net/amm.299.31
https://doi.org/10.4028/www.scientific.net/amm.299.31
Publikováno v:
Advanced Materials Research. 625:3-6
The rocket launch tower’s movement involve opening and closing.During these two process,the tower shakes severely. This study using ADAMS to simulate the movement of the tower and finding that the material of the tower’s components showing a char
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5dadb99ce373e99370e58b91f00b4aab
https://doi.org/10.4028/www.scientific.net/amr.625.3
https://doi.org/10.4028/www.scientific.net/amr.625.3
Publikováno v:
Applied Mechanics and Materials. :291-295
The pressure information collection of bridge buildings is important to monitor the healthy status of the bridge buildings. For the defects of traditional pressure information collection system, the paper designs a system for collecting the pressure
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c8f1a19737e7b0a875b28e0f15ed343f
https://doi.org/10.4028/www.scientific.net/amm.246-247.291
https://doi.org/10.4028/www.scientific.net/amm.246-247.291
Publikováno v:
Applied Mechanics and Materials. :166-169
In the process of strength and fatigue reliability research of breech, finite element model of breech was established with the finite element software ABAQUS. Then the maximum stress of breech in the recoil process was obtained through FEM dynamic an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5a030a23e5c4c322017f8a7f791f3cfb
https://doi.org/10.4028/www.scientific.net/amm.184-185.166
https://doi.org/10.4028/www.scientific.net/amm.184-185.166