THE ROLE OF AN ELECTRICALLY HEATED FRONT COVER ON THE THERMAL PERFORMANCE OF A RADIATOR

2017 ◽  
Vol 44 (5) ◽  
pp. 409-425
Author(s):  
Francesco Corvaro ◽  
Maurizio Benucci ◽  
Barbara Marchetti ◽  
Roberta Cocci Grifoni ◽  
Fabio Polonara
Keyword(s):  
Thermal Performance ◽  
Front Cover

scholarly journals Front Cover: Ex Situ Evidence for the Role of a Fluoride-Rich Layer Switching the Growth of Nanopores to Nanotubes: A Missing Piece of the Anodizing Puzzle (ChemElectroChem 4/2018)

2018 ◽  
Vol 5 (4) ◽  
pp. 566-566
Author(s):  
Khurram Shahzad ◽  
Damian Kowalski ◽  
Chunyu Zhu ◽  
Yoshitaka Aoki ◽  
Hiroki Habazaki
Keyword(s):  
Ex Situ ◽  
Front Cover

scholarly journals Front Cover: When Crystals Go Nano - The Role of Advanced X-ray Total Scattering Methods in Nanotechnology (Eur. J. Inorg. Chem. 34/2018)

2018 ◽  
Vol 2018 (34) ◽  
pp. 3785-3785
Author(s):  
Federica Bertolotti ◽  
Daniele Moscheni ◽  
Antonietta Guagliardi ◽  
Norberto Masciocchi
Keyword(s):  
Front Cover ◽  
Total Scattering ◽  
X Ray

The role of wall layers properties on the thermal performance of ventilated facades: Experimental investigation on narrow-cavity design

2020 ◽  
Vol 209 ◽  
pp. 109622 ◽  
Author(s):  
Francesca Stazi ◽  
Giulia Ulpiani ◽  
Marianna Pergolini ◽  
Costanzo Di Perna ◽  
Marco D'Orazio
Keyword(s):  
Experimental Investigation ◽  
Thermal Performance ◽  
Cavity Design

Examining the Role of Free Carrier Concentration on the Phonon Lifetimes in GaN Using Raman Spectroscopy

2007 ◽  
Author(s):  
Thomas Beechem ◽  
Samuel Graham
Keyword(s):  
Raman Spectroscopy ◽  
Thermal Performance ◽  
Uncertainty Relation ◽  
Free Carrier ◽  
Optical Phonons ◽  
Time Uncertainty ◽  
Longitudinal Phonon ◽  
Optical Modes ◽  
Carrier Interaction

The lifetimes of polar optical phonons are known to affect the electrical and thermal performance of gallium nitride (GaN) based devices. Utilizing the energy-time uncertainty relation, this study investigates these lifetimes using Raman spectroscopy for a series of samples having free carrier concentrations ranging from 1.24e18 to 3e17 cm−3. By measuring across the typical operating temperatures of these devices, the mechanisms responsible for scattering of 5 separate optical modes are elucidated. It is found that phonon-carrier interaction directly determines the lifetime of the polar optical A1(LO) mode while indirectly influencing the modes into which this longitudinal phonon decays, namely, E1 and A1(TO). Thus understanding the entire phonon energy cascade is vital both for management of the so called “hot phonon” effect as well as modeling of carrier-phonon interactions.

scholarly journals Inside Front Cover: Role of Gut Microbiota in the Anti‐Colitic Effects of Anthocyanin‐Containing Potatoes

2021 ◽  
Vol 65 (24) ◽  
pp. 2170065
Author(s):  
Shiyu Li ◽  
Tianmin Wang ◽  
Wenyi Fu ◽  
Mary Kennett ◽  
Abigail D. Cox ◽  
...  
Keyword(s):  
Gut Microbiota ◽  
Front Cover

Role of Random Roughness on Thermal Performance of Microfins

2007 ◽  
Vol 21 (1) ◽  
pp. 153-157 ◽  
Author(s):  
Majid Bahrami ◽  
M. Michael Yovanovich ◽  
J. Richard Culham
Keyword(s):  
Thermal Performance ◽  
Random Roughness
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