Results 21 to 30 of about 6,855 (262)

Effect of Ellipsoidal Modulus and Internal Pressure on Bearing Capacity of Thrust-Bearing Aft Dome

MATEC Web of Conferences, 2018
In order to analyse the effect of ellipsoidal modulus and internal pressure on bearing capacity of thrust-bearing aft dome, we obtain the stress and strain distribution and bearing capacity of 1.6, 1.4 and 1.0 modulus ellipsoidal aft dome under 0MPa~0 ...
Peng Wang, Ruixiang Fan, Cheng Huang, Dongyang Yan, Feifan Wang   +4 more
doaj   +1 more source

Investigation of Geometric Characteristics on the Lubricant Performance of Thrust Bearing with Cavitation [PDF]

Journal of Applied Fluid Mechanics
In this study, a mixed lubrication model that incorporates cavitation can be developed to examine the evolution of hydrodynamic lubrication in spiral grooved thrust bearing.
L. Kailei, C. Jiayuan, Z. Haoran, Z. Lin, W. Xuze, C. Yu   +5 more
doaj   +1 more source

Theoretical Study of the Static and Dynamic Characteristics of a Slotted Adaptive Hydrostatic Thrust Bearing with a Regulator of the Lubricant Output Flow

Mathematics, 2022
This manuscript considers the design of a slotted adaptive hydrostatic thrust bearing with a regulator of the lubricant output flow. A theoretical study of its static and dynamic characteristics was carried out.
Vladimir Kodnyanko, Andrey Kurzakov, Alexey Surovtsev, Lilia Strok, Olga Grigorieva, Maxim Brungardt, Svetlana Belyakova, Ludmila Gogol   +7 more
doaj   +1 more source

Investigation of Stress Variation in Push-the-Bit Rotary Steering Bearings Under Weight on Bit and Push Forces

Cejing jishu
As the key component of the push-the-bit rotary steerable system, the accuracy and reliability of the bearing system directly affect the control accuracy and drilling efficiency of the drilling tool on the borehole trajectory.
SHEN Bin, YANG Hao, XUE Zhejing, LI Wei, CHENG Feng, LU Lu, WU Jie   +6 more
doaj   +1 more source

Study on Vibration Characteristics of Diamond Thrust Bearing Pack in PDM assembly

Shiyou jixie, 2021
Diamond thrust bearing pack is an important part of mud motor. In order to study the vibration characteristics of the diamond thrust bearing pack in actual drilling and analyze the influence of vibration signals on the diamond thrust bearing pack, in the
Zhang Wei, Wang Yu, Sun Jianyue, Zhang Kai, Kong Lingrong   +4 more
doaj  

Translating whole‐genome doubling into precision medicine in cancer

Molecular Oncology, EarlyView.
Whole‐genome doubling creates a WGD‐positive tumor state characterized by persistent chromosomal instability, karyotypic diversification, and cellular stress. These same biological pressures drive aggressive tumor evolution while exposing therapeutic vulnerabilities, providing a rationale for WGD‐informed precision medicine. Whole‐genome doubling (WGD)
Sejung Lee, Junghyeok Lim, Jinhyuk Bhin
wiley   +1 more source

Analysis on shafting axial vibration of marine thrust bearing considering pad geometrical parameters

Zhongguo Jianchuan Yanjiu, 2019
[Objectives] The overall stiffness of thrust bearing has an important influence on the natural frequency of the shafting axial vibration,but there is not much research on the influence of the oil film stiffness of the thrust bearing,Therefore,to study ...
ZHANG Jinguo, TIAN Jiabin, HE Tao
doaj   +1 more source

Thermal Characteristics Study of the Bump Foil Thrust Gas Bearing

Applied Sciences, 2021
In this paper, a thermo-hydrodynamic model of the bump foil thrust gas bearing is developed, which solves the coupled gas film three-dimensional energy equation, non-isothermal Reynolds equation, and the foil deformation equation.
Xiaomin Liu, Changlin Li, Jianjun Du, Guodong Nan   +3 more
doaj   +1 more source

Somatostatin receptor 4 (SSTR4) is a tumor suppressor in cutaneous and head & neck squamous cell carcinomas

Molecular Oncology, EarlyView.
This study identifies somatostatin receptor 4 (Sstr4) as a critical tumor suppressor against skin and head/neck cancers (HNSCC, cSCC, and BCC). The loss of Sstr4 removes a check on cell growth, causing hyperactivation of the MAPK‐ERK signaling pathway (↑).
Ali Taqvi, Tuan Khang Huynh, Adway Kadam, Zahra Kardan, Yue Yan, Amina Jamal Laham, Sampath Kumar Loganathan   +6 more
wiley   +1 more source

Development of the mathematical model for the prediction of friction loss in turbocharger bearing components

Nihon Kikai Gakkai ronbunshu, 2018
It is required to examine the characteristics of turbochargers for automobiles using one-dimensional simulation from the viewpoint of estimating total engine performance.
Satoshi SAKAGAMI, Akane UEMICHI, Yudai YAMASAKI, Shigehiko KANEKO, Tatsuya KUBOYAMA, Yasuo MORIYOSHI   +5 more
doaj   +1 more source