Results 161 to 170 of about 249,769 (331)

Qualitative Inquiry of Black Presidents’ Perception of Leadership at Rural Community Colleges

open access: yesNew Directions for Community Colleges, EarlyView.
ABSTRACT In this article, we examine the experiences of Black presidents in rural community colleges through the lens of critical race theory (CRT) and critical discourse analysis (CDA). Understanding the experiences of Black community college presidents, particularly in rural areas, which remain primarily white, is essential when addressing systemic ...
Devon L. Graves   +3 more
wiley   +1 more source

Influence of thermal boundary conditions on heat transfer from a cylinder in cross flow [PDF]

open access: yes
Local heat transfer data over the leading surface of a cylinder in crossflow were obtained for a Reynolds number range of 50,000. The cylinder was operated at both uniform-wall-temperature and uniform-heat-flux thermal ance of 80 deg from the front ...
Papell, S. S.
core   +1 more source

Fines deposition during hydrotreating: Effects of catalyst size and bed arrangement

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract Fines deposition presents a significant problem during the hydrotreating of bitumen‐derived gas oils. The accumulation of fines leads to reactor clogging and consequently, pressure drop buildup. At critical levels, the hydrotreating reactor must be prematurely shutdown, resulting in substantial economic losses for refineries.
Simon Kwao   +3 more
wiley   +1 more source

Dual numerical solutions of Casson SA–hybrid nanofluid toward a stagnation point flow over stretching/shrinking cylinder

open access: yesNanotechnology Reviews
A computational study of Casson sodium alginate–hybrid nanofluid of stagnation point flow through a shrinking/stretching cylinder with radius effect was carried out.
Fadhel Mustafa Abbas   +5 more
doaj   +1 more source

On the freestream matching condition for stagnation point turbulent flows [PDF]

open access: yes
The problem of plane stagnation point flow with freestream turbulence is examined from a basic theoretical standpoint. It is argued that the singularity which arises from the standard kappa-epsilon model is not due to a defect in the model but results ...
Speziale, Charles G.
core   +1 more source

Controlling Lampenflora in Heritage Sites: In Situ Testing of Polyoxometalate–Ionic Liquids in the Pommery Champagne Cellar

open access: yesChemPlusChem, EarlyView.
The article evaluates polyoxometalate–ionic liquids (POM–ILs) as biocidal agents against lampenflora in the UNESCO‐listed Pommery Champagne cellar. POM–ILs effectively inhibit microbial colonization over one year with minimal visual impact and outperform the commercial biocide Preventol RI80.
Stéphanie Eyssautier‐Chuine   +10 more
wiley   +1 more source

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