Results 101 to 110 of about 235,946 (314)

Heat transfer from oriented heat exchange areas

open access: yesEPJ Web of Conferences, 2014
This paper deals with the transfer of heat-driven heat transfer surface area in relation to the construction of the criterion equation for “n” horizontal pipe one about another.
Vantuch Martin   +2 more
doaj   +1 more source

Fostering Innovation: Streamlining Magnetocaloric Materials Research by Digitalization

open access: yesAdvanced Engineering Materials, EarlyView.
Magnetocaloric cooling (MCE) is an environmentally friendly refrigeration method with great potential. Optimizing MCE materials involves the preparation and screening of large quantities of samples, which in turn generates a large amount of data. A digitalization approach is presented that uses ontologies, knowledge graphs, and digital workflows to ...
Simon Bekemeier   +17 more
wiley   +1 more source

Evaluation of Fin Efficiency and Heat Transfer Coefficient for Fined Tube Heat Exchange

open access: yes, 2012
This study discussed the estimation of the fin efficiency and the pure-heat transfer coefficient in the heat exchanger. One hundred twenty cases of plate fins having known heat transfer coefficients were tested numerically to investigate the validity of ...
Kang, Hiechan
core  

Heat Exchange between Thermometer Well and Pipe Wall in Natural Gas Metering Systems

open access: yes, 2015
This paper deals with the accuracy of gas flow temperature measurement in natural gas metering systems. The effect of heat exchange between thermometer well and the pipe wall on the accuracy of gas flow temperature measurement is investigated.
Fedir Matiko, Roman Fedoryshyn
core   +1 more source

Corrosion inhibition of 8-HQ for AA5052 in 3 wt% NaCl solution in presence of trace Cu2+ ions: Electrochemical/surface studies, DFT/MD modeling

open access: yesDesalination and Water Treatment
In this paper, the effect of Cu2+ ions on corrosion inhibition of 8-hydroxyquinoline (8-HQ) for AA5052 aluminum alloy in the simulated seawater solution has been studied by weight loss experiments, electrochemical measurements and surface analysis.
Zhuoran Zhang   +3 more
doaj   +1 more source

Multimodal Data‐Driven Microstructure Characterization

open access: yesAdvanced Engineering Materials, EarlyView.
A self‐consistent autonomous workflow for EBSP‐based microstructure segmentation by integrating PCA, GMM clustering, and cNMF with information‐theoretic parameter selection, requiring no user input. An optimal ROI size related to characteristic grain size is identified.
Qi Zhang   +4 more
wiley   +1 more source

Effectiveness of Entransy Dissipation Metric and Entropy Generation Units in The Design of Fin-Tube Heat Exchangers

open access: yes, 2012
Several techniques and metrics based on the Second Law of Thermodynamics have been used in the past for the analysis of heat exchangers. The terms used for these techniques include irreversibility analysis, entropy generation minimization, exergy ...
Aute, Vikrant   +4 more
core  

Performance Analysis of a Proton Exchange Membrane [PDF]

open access: yes, 2007
Paper presented at the 5th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, South Africa, 1-4 July, 2007.Proton Exchange Membrane Fuel Cells (PEMFC) are emerging on the market as a promising technology for powering cars ...
Steeman, Hendrik-Jan   +13 more
core  

Fundamentals of Heat Exchangers

open access: yes, 2018
Heat exchangers are used to transfer heat between two sources. The term exchanger applies to allequipment used to transfer heat between two streams. However, the term is commonly used to equipment inwhich two process streams exchange heat with each other. This research paper explains the basics of heatexchangers, covering such topics as: classification;
openaire   +1 more source

Recycling of NiTi Shape Memory Alloys: Fundamental and Technological Aspects of a Vacuum Induction Melting Processing Route

open access: yesAdvanced Engineering Materials, EarlyView.
The present study investigates recycling of NiTi shape memory alloys via vacuum induction melting. An ingot was synthesized from elemental Ni and Ti and subjected to three subsequent remelting cycles. Remelting increases process durations and impurity levels and adversely affects microstructures and functional properties.
Sakia Sophia Noorzayee   +7 more
wiley   +1 more source

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