Results 31 to 40 of about 1,911,947 (284)

Explicit modelling of lift characteristics for high-lift devices based on knowledge-guided symbolic regression using large language model

Engineering Applications of Computational Fluid Mechanics
The High-Lift Device (HLD) plays a critical role in determining the low-speed aerodynamic performance of aircraft during takeoff and landing phases.
Yiheng Wang, Kefeng Zheng, Chengpeng Liu, Wenping Song, Qingfu Zhang, Zhonghua Han   +5 more
doaj   +1 more source

New heuristic algorithms for rolling air frame aerodynamic parameters estimation

Aviation, 2020
In this research, based on heuristic optimization algorithms, three new strategies are developed for Aerodynamic Parameters Estimation (APE) of one pair ON-OFF actuator rolling airframe.
Ayham Mohamad, Jalal Karimi, Alireza Naderi   +2 more
doaj   +1 more source

Research on 3D Design of High-Load Counter-Rotating Compressor Based on Aerodynamic Optimization and CFD Coupling Method

Energies, 2022
In view of the flow instability problem caused by the strong shock wave and secondary flow in the channel of the high-load counter-rotating compressor, this paper adopts the design method of coupling aerodynamic optimization technology and CFD and ...
Tingsong Yan, Huanlong Chen, Jiwei Fang, Peigang Yan   +3 more
doaj   +1 more source

Aerodynamic design of high-lift devices for enhanced low-height takeoff in wing-in-ground effect craft

Applied Ocean Research
Wing-in-ground effect (WIG) craft represents a class of high-performance ship, utilizing ground effect to achieve ultra-low-height flight with an exceptional lift-to-drag ratio.
Yiheng Wang, Wenping Song, Fuyang Ding, Chengpeng Liu, Zhonghua Han, Yajun Shi   +5 more
doaj   +1 more source

Effectiveness of Resistance Intradialytic Exercise Compared to Aerobic Intradialytic Exercise for Patients With Chronic Kidney Disease: A Randomized Controlled Clinical Trial

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Patients with chronic kidney disease undergoing hemodialysis commonly experience reduced physical function, fatigue, poor sleep quality, and impaired health‐related quality of life. Intradialytic exercise has been proposed as a non‐pharmacological strategy to improve these outcomes.
Klebson da Silva Almeida, Gisela Cristiane Miyamoto, Daniel da Costa Torres, Ian Setubal Reis Chaves, Jonas do Carmo Paschoalin, Braúlio Lima Nascimento, Luciana Dias Chiavegato   +6 more
wiley   +1 more source

Aerodynamic Shape Optimization Using the Discrete Adjoint of the Navier-Stokes Equations: Applications Toward Complex 3D Configutations [PDF]

, 2009
Within the next few years, numerical shape optimization based on high fidelity methods is likely to play a strategic role in future aircraft design. In this context, suitable tools have to be developed for solving aerodynamic shape optimization problems,
Dwight, Richard P., Brezillon, J., Brezillon, J. (author), Dwight, R.P. (author), Dwight, R.P., Brezillon, Joël   +5 more
core   +1 more source

A Review of Intelligent Airfoil Aerodynamic Optimization Methods Based on Data-Driven Advanced Models

Mathematics
With the rapid development of artificial intelligence technology, data-driven advanced models have provided new ideas and means for airfoil aerodynamic optimization.
Liyue Wang, Haochen Zhang, Cong Wang, Jun Tao, Xinyue Lan, Gang Sun, Jinzhang Feng   +6 more
doaj   +1 more source

Establishing an Apheresis Medicine Program in a Resource‐Constrained Setting: A 5‐Year Experience From Lagos, Nigeria

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Establishing a comprehensive apheresis medicine program in a resource‐constrained setting presents significant structural, financial, and logistical challenges. Despite the growing clinical importance of apheresis services globally, published experience from sub‐Saharan Africa remains sparse.
Folasade Adelekan‐Popoola, Shakirat Gold‐Olufadi, Olufunto Olufela Kalejaiye, Abdullateef Ogala, Rasheed A. Balogun   +4 more
wiley   +1 more source

Shape Optimization of the Streamlined Train Head for Reducing Aerodynamic Resistance and Noise

Applied Sciences, 2022
Aiming to improve the comprehensive aerodynamic performance of a high-speed train, a multi-objective shape optimization method for a streamlined train head is proposed in this work.
Mengge Yu, Jiali Liu, Wei Huo, Jiye Zhang   +3 more
doaj   +1 more source

Comparative Evaluation of Hemodiafiltration, Hemoperfusion, and Standard Hemodialysis on Efficacy, Inflammatory Control, Dialysis Adequacy, and Safety in End‐Stage Renal Disease: A Prospective Observational Study

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Chronic micro‐inflammation in patients with end‐stage renal disease (ESRD) is a significant driver of cardiovascular complications and diminished quality of life. While standard hemodialysis (SHD) effectively manages small‐molecule clearance, its ability to remove medium‐to‐large uremic toxins—the primary catalysts of systemic ...
Hongwei Zuo, Weisi Dai, Jie Mao, Mei Ye, Xingshan Lu, Xiaocui Zhang   +5 more
wiley   +1 more source