Zobrazeno 1 - 10
of 143
pro vyhledávání: '"Chunliang, Zhang"'
Autor:
Chunliang Zhang, Xin Yang, Zhaoliang Zhu, Xiaohua Ke, Zhaofeng Zhang, Hua Luo, Yong Ma, Dongdong Song
Publikováno v:
Geomechanics and Geophysics for Geo-Energy and Geo-Resources, Vol 10, Iss 1, Pp 1-18 (2024)
Abstract To enhance the drilling efficiency and extend the service life of PDC (Polycrystalline Diamond Composite) bits in shale formations, this study delves into the rock-breaking mechanisms of special-shaped cutters through a comprehensive experim
Externí odkaz:
https://doaj.org/article/ae135d321f7a4a1194c7e8702185b4c2
Publikováno v:
Applied Sciences, Vol 14, Iss 15, p 6419 (2024)
Stick–slip vibration (SV) of drill string systems is the main cause of fatigue failure of PDC bits under complex drilling conditions. Exploring its mechanism is helpful for identifying the causes of bit failure and developing preventive measures to
Externí odkaz:
https://doaj.org/article/2ba41b4fd31441d9b9b33e3855ae16cf
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-29 (2023)
Abstract Harmony search (HS) is a new swarm intelligent algorithm inspired by the process of music improvisation. Over the past decade, HS algorithm has been applied to many practical engineering problems. However, for some complex practical problems
Externí odkaz:
https://doaj.org/article/6271e72e79b34f808652fda2284b4caf
Autor:
Chunliang ZHANG, Jincheng WANG, Xiaohua KE, Xiao FENG, Yingxin YANG, Haitao REN, Zixuan HUANG
Publikováno v:
Jin'gangshi yu moliao moju gongcheng, Vol 43, Iss 1, Pp 35-42 (2023)
PDC bits have been working in a worn state for a long time. To explore its cutting performance and avoid premature failure of the bit, this paper analyzes the load on the worn teeth and the drilling characteristics of the bit through single tooth cut
Externí odkaz:
https://doaj.org/article/55f68b928f49458f90aab4dff368e01b
Autor:
Juncheng Guo, Yuyan Wu, Lizhi Chen, Shangbin Long, Daqi Chen, Haibing Ouyang, Chunliang Zhang, Yadong Tang, Wenlong Wang
Publikováno v:
BioMedical Engineering OnLine, Vol 21, Iss 1, Pp 1-22 (2022)
Abstract Despite numerous clinical trials and pre-clinical developments, the diagnosis of cracked tooth, especially in the early stages, remains a challenge. Cracked tooth syndrome is often accompanied by dramatic painful responses from occlusion and
Externí odkaz:
https://doaj.org/article/c82db0d348974ee4aca4feb2b5f3878a
Autor:
Chunliang Zhang, Diwei Mo, Juncheng Guo, Wenlong Wang, Shangbin Long, Houyao Zhu, Danying Chen, Guanghua Ge, Yadong Tang
Publikováno v:
BMC Oral Health, Vol 21, Iss 1, Pp 1-10 (2021)
Abstract Background Early clinical cracked tooth can be a perplexing disorder to diagnose and manage. One of the key problems for the diagnosis of the cracked tooth is the detection of the location of the surface crack. Methods This paper proposes an
Externí odkaz:
https://doaj.org/article/b6551003e6a74b09bda9e3f753072777
Publikováno v:
Mathematics, Vol 11, Iss 11, p 2478 (2023)
Thin-walled structures have problems such as low stiffness, large deflection, and vibration. The layout of rib reinforcement in thin-walled structures plays a vital role in providing structural strength and rigidity and reducing structural weight. A
Externí odkaz:
https://doaj.org/article/4f2e88f268ba4104b84a346756bf35fe
Publikováno v:
IEEE Access, Vol 9, Pp 102758-102769 (2021)
As a vital part of autonomous navigation of mobile robot, path planning is a hot research direction which aims at searching a shortest collision-free path from the starting position to the goal position in a complex environment. In this paper, a meth
Externí odkaz:
https://doaj.org/article/576894e506a7457db5fa3524631c2fe3
Publikováno v:
IEEE Access, Vol 8, Pp 116292-116309 (2020)
As a renewable energy resource, solar photovoltaics (PV's) possess a promising future. Thus, it is important to simulate, evaluate and control the PV systems. To identify the parameters for the photovoltaic (PV) models, an improved learning search op
Externí odkaz:
https://doaj.org/article/b9145328ed5942b2af44e5406afb2a37
Publikováno v:
Information Sciences. 633:158-169
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::531360dd7908b9e9eb7d96d081de219d
https://doi.org/10.1016/j.ins.2023.03.010
https://doi.org/10.1016/j.ins.2023.03.010