Results 81 to 90 of about 6,888 (240)

Study of in-flight and impact dynamics of non-spherical particles from HVOF guns [PDF]

open access: yes, 2009
High velocity oxygen fuel thermal spray has been widely used to deposit hard composite materials such as WC-Co powders for wear-resistant applications. Unlike gas atomized spherical powders, WC-CO powders form a more complex geometry.
Gu, Sai, S. Gu, Kamnis, S., S. Kamnis
core   +1 more source

Experimental and Numerical Investigation of Cedar Façade Flame Spread With Respect to Sidewall

open access: yesFire and Materials, EarlyView.
ABSTRACT In response to growing energy conservation and carbon neutrality efforts, façade systems incorporating wooden materials have attracted increasing attention, which in turn raises concerns about their combustibility. This study presents a combined experimental and numerical investigation of flame spread along cedar façades.
Xukun Sun   +6 more
wiley   +1 more source

A focused parametric study on the influence of hydrogen jet on diesel spray combustion in a dual-fuel direct injection configuration under varying impingement conditions

open access: yesFuel Processing Technology
Hydrogen (H2)/diesel dual-fuel direct injection engines combine the advantages of reliable diffusion-controlled combustion of H2 and the high efficiency of compression-ignition engines.
Huiquan Duan   +6 more
doaj   +1 more source

A Detailed Review of Colburn and Friction Factors for Various Types of Fins Used in Compact Plate‐Fin Heat Exchangers

open access: yesHeat Transfer, EarlyView.
ABSTRACT Compact plate‐fin heat exchangers (PFHEs) are commonly utilized in diverse industries, including aerospace, automotive, processing, and space. Various fin configurations, such as Plain fins, Wavy fins, Lance and Offset fins (OSFs), Perforated fins, louvered fins, and pin fins, are employed in compact heat exchangers (CHEs).
Chennu Ranganayakulu
wiley   +1 more source

A geometry independent integrated method to predict erosion wear rates in a slurry environment [PDF]

open access: yes, 2010
Material wear due to erosion-corrosion in slurry transport equipment is prevalent in process industries such as the oilsands industry. Damage to equipment can cost a typical oilsands industry nearly £200 million annually, along with an associated health
Gnanavelu, Abinesh Balasubramaniam
core  

Heat Transfer Characteristics of Passive, Active, and Hybrid Impinging Jets: A Review

open access: yesInternational Journal of Technology
In engineering applications, there is a need to reform the excitation techniques used for jet impingement to achieve simpler, more effective thermal exchange. Jet impingement is a highly effective method for enhancing heat transfer due to its ability
Michel Matar   +5 more
doaj   +1 more source

Solid–Liquid Triboelectric Nanogenerators as Physicochemical Encoders for Intelligent Liquid Recognition

open access: yesInterdisciplinary Materials, EarlyView.
Solid–liquid triboelectric nanogenerators are conceptualized as dynamic physicochemical encoders that encode intrinsic liquid properties into distinguishable triboelectric fingerprints. This review provides a unified framework for these platforms, covering sensing mechanisms in droplet impact, continuous flow, and immersion modes.
Mingrui Wang   +8 more
wiley   +1 more source

Advances in Position‐Momentum Entanglement: A Versatile Tool for Quantum Technologies

open access: yesLaser &Photonics Reviews, EarlyView.
Position–momentum entanglement constitutes a high‐dimensional continuous‐variable resource in quantum optics. Recent advances in its generation, characterization, and control are reviewed, with emphasis on spontaneous parametric down‐conversion and modern measurement techniques.
Satyajeet Patil   +6 more
wiley   +1 more source

Erosion due to impingement of cavitating jet.

open access: yesHydraulics & Pneumatics, 1987
Cavitation erosion produced by impingent of cavitating jet was experimentally studied with specimens of aluminum alloy in high water base fluid of chemical solution type and tap water. Furthermore, the behavior of impinging cavity clouds was observed through instantaneous photographs.
Shimizu, Seiji, Yamaguchi, Atsushi
openaire   +2 more sources

Investigating the Unsteady Dynamics of a Multi-Jet Impingement Cooling Flow Using Large Eddy Simulation [PDF]

open access: yes
We investigate the unsteady behavior of an in-line jet impingement array of nine jets at a Reynolds number of 10,000 in a narrow channel subjected to a developing cross flow of up to 25% of the bulk jet velocity.
Schroll, Michael   +7 more
core   +1 more source

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