Results 41 to 50 of about 3,552,615 (231)

A thermal optimization throughan innovative mechanism of free convection flow of Jeffrey fluid using non-local kernel

open access: yesCase Studies in Thermal Engineering, 2021
Optimality for operating temperature can improve the reliability of thermodynamics of convection flow of Jeffrey fluid through mathematical techniques; this is because thermal convection is invoked in several engineering problems for knowingan accurate ...
Aziz Ullah Awan   +4 more
doaj   +1 more source

Morphology, Transport, and Dynamics of Protein Adsorption in Open‐Cell Metal Foam

open access: yesAdvanced Engineering Materials, EarlyView.
Stainless steel (SS) open‐cell foams are shown to adsorb more protein per unit area than previously reported 316L SS and chromium oxide surfaces under static and flow conditions. An integrated approach combining 3D pore imaging, flow simulation, and protein adsorption experiments characterizes the foam’s performance.
Chinmaya Prerana Inguva   +2 more
wiley   +1 more source

Suppression of natural convection heat transfer coefficients in an attic shaped enclosure [PDF]

open access: yes, 2010
The use of convection suppression devices has been widely discussed in the literature as a means of reducing natural convection heat loss from enclosed spaces.
Carson, James K.   +5 more
core   +1 more source

A possible theory for the interaction between convective activities and vortical flows [PDF]

open access: yesNonlinear Processes in Geophysics, 2011
Theoretical studies usually attribute convections to the developments of instabilities such as the static or symmetric instabilities of the basic flows. However, the following three facts make the validities of these basic theories unconvincing.
N. Zhao   +3 more
doaj   +1 more source

Investigating the effects of employing a cooling radiator on MHD natural convection by injecting MWCNTs into water

open access: yesAin Shams Engineering Journal, 2023
One of the best methods in thermal engineering for cooling a liquid is to use a radiator. Using the radiator mechanism in free convection systems is a successful and first idea to improve performance of natural convection systems, which have various ...
Ibrahim B. Mansir   +9 more
doaj   +1 more source

2D Co‐Assembly of Solid Acids Enables Stable Superprotonic Conduction Above 260°C

open access: yesAdvanced Functional Materials, EarlyView.
A two‐dimensional co‐assembly strategy integrates antimony phosphate and phosphotungstic acid nanosheets into free‐standing inorganic lamellar membranes with confined acid–acid interfaces. The resulting interfacial hydrogen‐bond network enables anhydrous proton conductivity exceeding 0.1 S cm−1 at 260°C and supports stable high‐temperature fuel‐cell ...
Qiuning Li   +8 more
wiley   +1 more source

Roll‐to‐Roll Processable EC/TC Hybrid Smart Windows Driven by a Bidirectional Dual‐Chromic Polymer Electrolyte

open access: yesAdvanced Functional Materials, EarlyView.
We present a scalable EC/TC hybrid smart window using a DCPE that enables tunable solar modulation (ΔTsol:15–43%), fast electrochromic switching (<90 s), and strong thermal blocking (10–14°C reduction). HPMC improves thermal stability, while an optimized ISL enhances EC performance.
Soyeon Kim   +4 more
wiley   +1 more source

Scaling of Turbulent Mixed Convection under High Pressure [PDF]

open access: yes, 2007
Measurement of turbulent mixed convection at reduced model size by aerodynamic scaling is a promising approach to simplify the investigation of many technical configurations and offers the potential to make large scale flows accessible on a ...
Thess, Andre   +4 more
core  

When, Where and to What Extent Do Temperature Perturbations Near Tropical Deep Convection Follow Convective Quasi Equilibrium?

open access: yesGeophysical Research Letters
Convective Quasi‐Equilibrium (CQE) is often adopted as a useful closure assumption to summarize the effects of unresolved convection on large‐scale thermodynamics, while existing efforts to observationally validate CQE largely rely on specific spatial ...
Yi‐Xian Li   +3 more
doaj   +1 more source

Cooling photovoltaic panels with air convection – Parametric environmental and economic analysis with case studies

open access: yese-Prime: Advances in Electrical Engineering, Electronics and Energy
Photovoltaic (PV) panels generate electricity due to photoelectric effect, harvesting solar radiation from the sun. However, the hit of photons on the upper surface of the PV panel increases its temperature, and as a result, decreases its efficiency. The
Tarek Ibrahim   +5 more
doaj   +1 more source

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