Results 21 to 30 of about 3,670 (211)

Analytical Solutions of Enhanced Gray Boltzmann Transport Equation on Transient Thermal Grating and Time-Domain Thermoreflectance Experiments [PDF]

open access: yes, 2017
As reported by many studies, Fourier’s law breaks down in micro/nanoscale due to the nondiffusive heat transport. To account for the nondiffusive heat transport, high-fidelity nondiffusive models with good efficiency for the experimental data analysis in
Yanbao Ma, Dadong Wang, Zhengxian Qu
core   +1 more source

Comparison between Numerical, Analytical, and Field Solutions with Experimental Data for 90º Open Channel Junctions [PDF]

open access: yes, 2023
Junction in open channel flow points out any side water secession from natural or artificial channels. In the last decades, comprehensive theoretical and experimental investigations on the dividing flow in open channel junctions have been executed to ...
Zahran, Tamer A. Gado, Ebrahim Rashwan, Ahmed
core   +1 more source

A generalized analytical model for Joule heating of segmented wires [PDF]

open access: yes, 2018
This paper presents an analytical solution for the Joule heating problem of a segmented wire made of two materials with different properties and suspended as a bridge across two fixed ends.
Balakrishnan, Vivekananthan   +11 more
core   +1 more source

Aeroacoustic analysis based on FW–H analogy to predict low-frequency in-plane harmonic noise of a helicopter rotor in hover

open access: yesArchives of Mechanics, 2022
The integral formulation of the Ffowcs-Williams and Hawkings (FW–H) analogy, developed by Farassat (known as Farassat’s formulation 1A), is implemented to study the sound generation and propagation of rotating slender bodies.
T. Suresh, O. Szulc, P. Flaszynski
doaj   +1 more source

Enabling global multimedia distributed services based on hierarchical DHT overlay networks [PDF]

open access: yes, 2008
Providing innovating multimedia services is a high priority for service providers. Due to the high traffic volume created by multimedia content, the use of decentralised services can lead to better solutions.
Carmen Guerrero   +12 more
core   +1 more source

Thermal optimization of an internally finned tube using analytical solutions based on a porous medium approach [PDF]

open access: yes, 2007
The present work deals with thermal optimization of an internally finned tube having axial straight fins with axially uniform heat flux and peripherally uniform temperature at the wall. The physical domain was divided into two regions: One is the central
Kim, SungJin, Do, KH, Min, JY
core   +1 more source

Degradation of basalt fiber–reinforced polymer bars in seawater and sea sand concrete environment

open access: yesAdvances in Mechanical Engineering, 2020
Although numerous experimental and analytical investigations on the environmental effects on basalt fiber–reinforced polymer bars were carried out, degradation of the basalt fiber–reinforced polymer bar in seawater and sea sand concrete environment has ...
Suraksha Sharma, Daxu Zhang, Qi Zhao
doaj   +1 more source

Incorporating Virtual Problem-Based Learning in Instrumental Chemistry during the COVID-19 Pandemic

open access: yesCOVID, 2023
The COVID-19 pandemic has presented substantial challenges to higher education, leading to economic loss and disruptions in STEM courses. This study addresses these issues through the successful implementation of a problem-based learning research project
Xiaoping Li   +3 more
doaj   +1 more source

Insights into the biopharmaceutical behavior of oral lipid-based formulations using advanced analytical techniques and mathematical modeling [PDF]

open access: yes, 2014
Lipid-based formulations (LBFs) are effective means for the oral delivery of poorly water-soluble compounds. The drug is already solubilized in the formulation and, thus, the critical dissolution step is circumvented. However, the oral bioavailability is
Stillhart, Cordula Edith
core   +1 more source

General analytical solution expressions for analyzing Langmuir-type kinetics of sonochemical degradation of nonvolatile organic contaminants in water

open access: yesUltrasonics Sonochemistry, 2023
Detailed kinetic studies of the ultrasonic decomposition of contaminants in water are scarce. Most of the work has used a pseudo-first order kinetics law, which is unrealistic.
Oualid Hamdaoui
doaj   +1 more source

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