Results 71 to 80 of about 174,142 (357)

Film Cooling from Two Staggered Rows of Compound Angle Holes at High Blowing Ratios

open access: yesInternational Journal of Rotating Machinery, 1996
Experimental results are presented which describe the development and structure of flow downstream of two staggered rows of film-cooling holes with compound angle orientations at high blowing ratios.
Phillip M. Ligrani, Joon Sik Lee
doaj   +1 more source

A laser-induced heat flux technique for convective heat transfer measurements in high speed flows [PDF]

open access: yes
A technique is developed to measure the local convective heat transfer coefficient on a model surface in a supersonic flow field. The technique uses a laser to apply a discrete local heat flux at the model test surface, and an infrared camera system ...
Hingst, W. R.   +2 more
core   +1 more source

Validation of a coupled heat, vapour and liquid moisture transport model for porous materials implemented in CFD [PDF]

open access: yes, 2014
Moisture-related damage is an important issue when looking at the performance of building envelopes. In order to accurately predict the moisture behaviour of building components, building designers can resort to Heat, Air and Moisture (HAM) models.
De Paepe, Michel   +4 more
core   +2 more sources

A Robust Dual‐mode Self‐Monitoring Battery Thermal Management System via Bilayer Structural Design

open access: yesAdvanced Functional Materials, EarlyView.
An adaptive dual‐mode material capable of both evaporative cooling and photothermal preheating is developed. It achieves a cooling efficiency of 53.9%, surpassing existing evaporative cooling counterparts, and a self‐monitoring capability, making it ideal for electric vehicles, portable electronics, and grid‐scale energy storage.
Shanchi Wang   +7 more
wiley   +1 more source

Development of a laser-induced heat flux technique for measurement of convective heat transfer coefficients in a supersonic flowfield [PDF]

open access: yes
A technique is developed to measure the local convective heat transfer coefficient on a model surface in a supersonic flow field. The technique uses a laser to apply a discrete local heat flux at the model test surface, and an infrared camera system ...
Chriss, Randall M.   +4 more
core   +1 more source

Surface Wrinkling of Plasma‐Exposed PDMS is Caused by Water Vapor Sorption: An Optical Environmental Sensor

open access: yesAdvanced Functional Materials, EarlyView.
Wrinkling of soft materials, such as polydimethylsiloxane (PDMS), underpins a myriad of technologies. Plasma‐oxidation of PDMS induces spontaneous wrinkling, which is canonically attributed to thermal expansion‐contraction of bilayers. Employing experiments and modelling, it is demonstrated that sorption of water vapor is instead responsible for ...
Zain Ahmad   +8 more
wiley   +1 more source

Impacts of Heat-Conducting Solid Wall and Heat-Generating Element on Free Convection of Al2O3/H2O Nanofluid in a Cavity with Open Border

open access: yesEnergies, 2018
Development of modern electronic devices demands a creation of effective cooling systems in the form of active or passive nature. More optimal technique for an origination of such cooling arrangement is a mathematical simulation taking into account the ...
Mikhail A. Sheremet   +3 more
doaj   +1 more source

Convective and radiative heat transfer to an ablating body, part I Final report [PDF]

open access: yes
Convective and radiative heat transfer to entry vehicles with ablative heat ...
Hoshizaki, A., Lasher, L. E.
core   +1 more source

Advances in Micro/Nanofiber‐Based Porous Materials for High‐Performance Thermal Insulation

open access: yesAdvanced Functional Materials, EarlyView.
Micro/nanofiber porous materials have engendered great interest in the thermal insulation field. Herein, the structural designs, fabrication techniques, and applications of the micro/nanofiber thermal insulation materials are systematically summarized.
Xiaobao Gong   +5 more
wiley   +1 more source

Forced Convection of Fe3O4-Water Nanofluid in a Bifurcating Channel under the Effect of Variable Magnetic Field

open access: yesEnergies, 2019
In this study, forced convection of Fe 3 O 4 ⁻water nanofluid in a bifurcating channel was numerically studied under the influence of variable magnetic.
Fatih Selimefendigil   +3 more
doaj   +1 more source

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