Results 31 to 40 of about 2,540,315 (302)

A comprehensive comparison and control for different solar water heating system configurations

Engineering Science and Technology, an International Journal, 2022
Solar Water Heating (SWH) systems have been extensively investigated during the past decades to optimize their performance and configuration. In fact, a lot of research work has been conducted to improve the SWH system components such as the solar ...
Mohammed Abu Mallouh, Hossam AbdelMeguid, Mohammad Salah   +2 more
doaj   +1 more source

NUMERICAL STUDY ON PROPULSIVE FACTORS IN REGULAR HEAD AND OBLIQUE WAVES

Brodogradnja, 2022
This paper applies Reynolds-averaged Navier-Stokes (RANS) method to study propulsion performance in head and oblique waves. Finite volume method (FVM) is employed to discretize the governing equations and SST k-ω model is used for modeling the turbulent ...
Kun Dai, Yunbo Li, Jiaye Gong, Zheng Fu, Ang Li, Dapeng Zhang   +5 more
doaj   +1 more source

A hybrid stabilization technique for simulating water wave - Structure interaction by incompressible Smoothed Particle Hydrodynamics (ISPH) method [PDF]

, 2018
The Smoothed Particle Hydrodynamics (SPH) method is emerging as a potential tool for studying water wave related problems, especially for violent free surface flow and large deformation problems. The incompressible SPH (ISPH) computations have been found
Duan, W., Khayyer, A., Lv, X., Ma, Q., Shao, S., Zhang, N., Zheng, X.   +6 more
core   +1 more source

Development of Virtual Disk Method for Propeller Interacting with Free Surface

Journal of Marine Science and Engineering
As the environmental regulations of the International Maritime Organization (IMO) become more stringent, the accurate prediction of ship propulsion performance has become essential.
Sua Jeong, Hwi-Su Kim, Yoon-Ho Jang, Byeong-U You, Kwang-Jun Paik   +4 more
doaj   +1 more source

Efficient photosynthesis of carbon monoxide from CO2 using perovskite photovoltaics [PDF]

, 2015
Artificial photosynthesis, mimicking nature in its efforts to store solar energy, has received considerable attention from the research community. Most of these attempts target the production of H2 as a fuel and our group recently demonstrated solar-to ...
Abate, A, Curvat, L, Giordano, F, Grätzel, M, Luo, J, Mayer, MT, Schreier, M, Steier, L, Zakeeruddin, SM   +8 more
core   +1 more source

Study on structural response and flow-induced noise characteristics of a composite rotor pump-jet propulsor

Zhongguo Jianchuan Yanjiu
ObjectiveComposite materials offer advantages such as low weight, corrosion resistance and a high damping ratio. To enhance the overall performance of underwater vehicles, this study investigates the characteristics of a composite rotor pump-jet ...
Bo LU, Boyang SONG, Qiaogao HUANG, Han LI, Xing HE, Sijie ZHENG   +5 more
doaj   +1 more source

Factor structure of swimmers for evaluating endurance and predicting 5000-m indoor and open water swimming performance

Baltic Journal of Health and Physical Activity, 2019
Background: The purpose of the present study was to describe factor structures of swimmers for evaluating endurance. The second aim was to determine 5000m pool velocity (5000Vp) and 5000m open water swimming velocity (5000Vow). Material and Methods: The
FAIK VURAL, MEHMET ZEKI ÖZKOL, TOLGA AKŞIT   +2 more
doaj   +1 more source

Influence of Various Stator Parameters on the Open-Water Performance of Pump-Jet Propulsion

Journal of Marine Science and Engineering, 2021
In order to improve the hydrodynamic performance of pump-jet propulsion (PJP) when matching stator with the rotor, the RANS method with SST k-ω turbulence model is employed to study the influence of six kinds of stator parameters, which are classified ...
Fuzheng Li, Qiaogao Huang, Guang Pan, Denghui Qin, Han Li   +4 more
doaj   +1 more source

Experimental investigation of the properties of electrospun nanofibers for potential medical application [PDF]

, 2015
Copyright © 2015 Anhui Wang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited ...
Gan, Y, Wang, A, Wang, B, Xu, C, Zhang, C   +4 more
core   +3 more sources

An Integrated Computational Approach for Optimizing Wageningen B-Series Marine Propellers and Assessing Open Water Performance through CFD Simulation

Wave
This study investigates the optimization of Wageningen B-series marine propellers using a CFD-based approach combined with numerical solver techniques to improve hydrodynamic performance under operational constraints.
Muhammad Ali Reza, Lilik Khoiriyah, Muhammad Fiky Izzulhaq, Intan Rahmahwati, Vena Rizky Pusparani, Chezta Ahmad Muzakky   +5 more
doaj   +1 more source