Results 1 to 10 of about 133,708 (301)

Academic Self-Handicapping, Buoyancy, and Burnout in Junior High School: Longitudinal Dynamics with Implications for School-Based Prevention [PDF]

Behavioral Sciences
This study examined the longitudinal associations among academic self-handicapping, academic buoyancy, and academic burnout, and tested whether academic buoyancy played a mediating role in the association between academic self-handicapping and academic ...
Licong Ye, Zipiao Zhang, Baojuan Ye, Bin Zhou   +3 more
doaj   +2 more sources

Impact of self-directed learning ability on undergraduate nursing students’ learning engagement: the chain-mediating role of academic buoyancy and academic burnout in a cross-sectional study [PDF]

BMJ Open
Objectives To explore the chain-mediating role of academic buoyancy and academic burnout between self-directed learning ability (SDLA) and learning engagement in undergraduate nursing students.Design A cross-sectional survey.Setting and participants This
Yang Liu, Pin Wang, Bin Yang, Yanlong Li, Xinyuan Li, Jiayu Sun, Pilong Shi, Wenting lu   +7 more
doaj   +2 more sources

The Longitudinal Mediating Role of Academic Buoyancy Between Academic Self-Efficacy and Academic Burnout Among Junior High School Students: A Cross-Lagged Study [PDF]

Behavioral Sciences
This study aims to explore the longitudinal relationship between academic self-efficacy, academic buoyancy, and academic burnout among junior high school students and to reveal the potential mediating role of academic buoyancy.
Licong Ye, Yongchun Xie, Baojuan Ye
doaj   +2 more sources

A Comparative Study of the Buoyancy-Opposed Wall Jet using Different Turbulent Models [PDF]

Journal of Applied Fluid Mechanics, 2022
A comparative study of the buoyancy-opposed wall jet has been carried out using RANS methods (including RNG model, Realizable k-ε model, and two low Reynolds number k-ε models) and LES methods (including the subgrid scale model developed by Smagorinsky ...
X. Nie, Z. H. Zhu, H. B. Liao, Y. Z. Zhang, J. R. Xu   +4 more
doaj   +1 more source

Thermal Behavior of Laminar Flow of Supercritical CO2 in a Long Vertical Mini-Pipe under Constant and Stepped Wall Heat Flux [PDF]

Journal of Heat and Mass Transfer Research, 2022
In this study, the convective heat transfer of supercritical carbon dioxide in a long vertical mini-pipe has been investigated numerically. The numerical solution has been performed with the finite volume method and by developing a CFD code. The pipe has
Mahdi Mohseni
doaj   +1 more source

Numerical Study on the Effect of Buoyancy on Heat Transfer and Flow of Aviation Kerosene

Hangkong gongcheng jinzhan, 2021
Under different gravity conditions, the buoyancy can influence different effects of regeneration cooling effect of aviation kerosene.The RNG k-ε turbulence three-dimensional model is established, which is verified by comparing the wall temperature ...
YAO Changxin
doaj   +1 more source

Experimental Investigation on the Effects of the Geometry of the Pilot Burner on Main Flame

Energies, 2021
Various kinds of pilot burners were experimentally investigated to examine the effects of their geometry and their location relative to the main burner of a real size combustor.
Cheol Woo Lee, In Su Kim, Jung Goo Hong
doaj   +1 more source

THE EFFECT OF BUOYANCY ON OPPOSED SMOLDERING [PDF]

Combustion Science and Technology, 2004
An experimental investigation on the effects of buoyancy on opposed-flow smolder is presented. Tests were conducted on cylindrical samples of open-cell, unretarded polyurethane foams at a range of ambient pressures using the Microgravity Smoldering Combustion (MSC) experimental apparatus.
Bar-Ilan, Amnon, Rein, Guillermo, Walther, David C, Fernandez-Pello, A. C, Torero, Jose L, Urban, David L   +5 more
openaire   +2 more sources

Study on gas migration law in large area goaf under coal spontaneous combustion environment

Meikuang Anquan, 2022
The air leakage flow field in large area goaf is complex, and the air leakage law is not clear. Once coal spontaneous combustion occurs, it will threaten the safety of the mine.
ZHANG Pengyu, CHEN Xiaokun, ZHAO Liang, WEI Gaoming, WANG Qi   +4 more
doaj   +1 more source

Developing a Model of Academic Buoyancy based Meaning of Life Mediated by Happiness in Students [PDF]

پژوهشنامه روانشناسی مثبت, 2021
Academic buoyancy is one of the positive constructs of psychology that researchers in education have considered. Therefore, this study aimed to design a model of academic buoyancy based on meaning mediated by happiness in female high school students in ...
Hassan Shadkam, Abolghasem Yaghoobi, Firoozeh Zanganeh Motlagh, zabih pirani, Hossein Mohagheghi   +4 more
doaj   +1 more source