|
|
|
|
|
Nieves G. Valiente, Andrew Saulter, John M. Edwards, Huw W. Lewis, Juan M. Castillo Sanchez, Diego Bruciaferri, Christopher Bunney and John Siddorn
Prediction of severe natural hazards requires accurate forecasting systems. Recently, there has been a tendency towards more integrated solutions, where different components of the Earth system are coupled to explicitly represent the physical feedbacks b...
ver más
|
|
|
|
|
|
|
|
|
|
|
Difu Sun, Junqiang Song, Xiaoyong Li, Kaijun Ren and Hongze Leng
A wave state related sea surface roughness parameterization scheme that takes into account the impact of sea foam is proposed in this study. Using eight observational datasets, the performances of two most widely used wave state related parameterizations...
ver más
|
|
|
|
|
|
|
|
|
|
|
Abdallah Samad, Gitsuzo B. S. Tagawa, François Morency and Christophe Volat
Calculating the unsteady convective heat transfer on helicopter blades is the first step in the prediction of ice accretion and the design of ice-protection systems. Simulations using Computational Fluid Dynamics (CFD) successfully model the complex aero...
ver más
|
|
|
|
|
|
|
|
|
|
|
Oleg Nizhnik
Four sample space launch missions were designed using rotating momentum transfer tethers (bolos) within low Earth orbit and a previously unknown phenomenon of ?aerospinning? was identified and simulated. The momentum transfer tethers were found to be onl...
ver más
|
|
|
|
|
|
|
|
|
|
|
Stefan Scharring and Jürgen Kästel
Ground-based high-power lasers are, in principle, able to de-orbit any kind of space debris object from the low Earth orbit (LEO) by remotely inducing laser-ablative momentum. However, the assessment of efficiency and operational safety depends on many f...
ver más
|
|
|
|
|
|
|
|
|
|
|
Domenico Tommasino, Giulio Cipriani, Alberto Doria and Giulio Rosati
Development of an end-effector able to reduce the momentum transfer from the robot to the object during impacts.
|
|
|
|
|
|
|
|
|
|
|
Thorsten Stoesser, Richard McSherry and Bruno Fraga
Large-eddy simulations (LES) of the flow over a non-uniformly roughened channel bed are carried out to study the effect of non-uniform bed roughness on turbulence driven secondary currents and turbulence statistics. The channel bed is comprised of altern...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yang Liu, Yuchi Huo, Lin Zhu, Mingxing Jin, He Zhang, Suyu Li and Wei Hua
Conical emission is a typical nonlinear phenomenon that occurs during the filamentation of femtosecond laser pulses in transparent media. In this work, the conical emission induced by two kinds of typical vortex beams (i.e., Laguerre?Gaussian (LG) and Be...
ver más
|
|
|
|
|
|
|
|
|
|
|
Qin Liu, Zhe Wang, Ning Zhang, Hongyu Zhao, Lei Liu, Kunpeng Huang and Xuguang Chen
The local scour around offshore pile foundations often seriously affects the normal operation of offshore wind power. The most widely used numerical simulation method in the study of local scour is the Euler two-fluid model (TFM). However, the contact ef...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jennifer Betsy Redd,Denise Schmidt
Pág. pp. 30 - 38
Mobile devices are gaining momentum and popularity in the daily lives of todayâ??s youth. These devices embrace and encourage ubiquitous learning through their ease of portability and access to various activities that can allow for learning to occur. ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Lefteris Benos, George Ninos, Nickolas D. Polychronopoulos, Maria-Aristea Exomanidou and Ioannis Sarris
Hyperthermia, an alternative medical approach aiming at locally increasing the temperature of a tumor, can cause the ?death? of cancer cells or the sensitization of them to chemotherapeutic drugs and radiation. In contrast with the conventional treatment...
ver más
|
|
|
|
|
|
|
|
|
|
|
Giovanna Barigozzi, Hamed Abdeh, Samaneh Rouina and Nicoletta Franchina
Design of cooling systems for rotor platforms is critical due to the complex flow field and heat transfer phenomena related to the secondary flow structures originating at the blade leading edge. Horseshoe vortex and passage vortex are the fluid-dynamic ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Kamel Yahiaoui, Driss Nehari, Belkacem Draoui
Pág. 161 - 172
In this paper, a numerical study on the two-dimensional laminar mixed convective flow and heat transfer from an rotating circular horizontal and isothermal cylinder confined in a horizontal channel. The blockage ratio and the Prandtl number are fixed at ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Nazrul Azlan Abdul Samat, Norfifah Bachok and Norihan Md Arifin
The present study aims to offer new numerical solutions and optimisation strategies for the fluid flow and heat transfer behaviour at a stagnation point through a nonlinear sheet that is expanding or contracting in water-based hybrid nanofluids. Most hyb...
ver más
|
|
|
|
|
|
|
|
|
|
|
Imran Shabir Chuhan, Jing Li, Ziyu Guo, Muhammad Yaqub and Malik Abdul Manan
The main purpose of this study is to investigate the thermal behavior of power law fluid within a plus-shaped cavity under the influence of natural convection, also taking into account the Darcy number and magnetohydrodynamics (MHD). The problem is formu...
ver más
|
|
|
|
|
|
|
|
|
|
|
Zhenzhu Meng, Xueyou Li, Shoujie Han, Xiao Wang, Jun Meng and Zhipeng Li
Landslide-generated waves are hazards that, commonly, exist in the natural world. The motion and deformation of a submerged landslide significantly affect the efficiency of the momentum transfer, between the slide material and the water body, and, thereb...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jing Li, Chunbao Liu and Xiaoying Li
This paper examines the effects on a Clark-y three-dimensional hydrofoil of wavy leading-edge protuberances in a quantitative and qualitative way. The simulation is accompanied by a hybrid RANS-LES model in conjunction with Zwart-Gerber?Belamri model. De...
ver más
|
|
|
|
|
|
|
|
|
|
|
Shambhavi Nandan, Christophe Fochesato, Mathieu Peybernes, Renaud Motte and Florian De Vuyst
Compressible multi-materialflows are encountered in a wide range of natural phenomena and industrial applications, such as supernova explosions in space, high speed flows in jet and rocket propulsion, underwater explosions, and vapor explosions in post a...
ver más
|
|
|
|
|
|
|
|
|
|
|
Rajagopalan-Sam Rajadurai and Su-Tae Kang
Cracking in concrete structures affects performance and is a major durability problem. Cracks must be detected and repaired in time in order to maintain the reliability and performance of the structure. This study focuses on vision-based crack detection ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Farooq Shaik, Vinay Kumar Domakonda
Pág. 217 - 228
In the present work, results of a numerical study carried out using finite volume method, to investigate the fluid flow and heat transfer characteristics of Alumina (?Al2O3?) nanoparticles in the base fluid (water) in a square cavity under natural convec...
ver más
|
|
|
|
|
|