Results 41 to 50 of about 192,039 (239)

Design and performance analysis of a novel face gas seal [PDF]

open access: yes, 2006
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.The scope of this work carried two objectives, each focusing on theoretical model development, performance prediction and experimental evaluation of two ...
Roberts-Haritonov, Lev
core   +6 more sources

An Optimization Study of Circumferential Groove Casing Treatment in a High-Speed Axial Flow Compressor

open access: yesAerospace
In this paper, a numerical optimization study of single-groove casing treatment was conducted on a high-speed axial compressor. One of the aims is to find the optimal structure of a single groove that can improve compressor stability with minimal loss in
Wenhao Liu   +3 more
doaj   +1 more source

Study on Residual Stress Distribution of 7050 Aluminum Sheet with Groove after Laser Shock Peening

open access: yesXibei Gongye Daxue Xuebao, 2019
In order to study the residual stress profile of 7050-T7451 aluminum sheet with groove after laser shock peening (LSP), the residual stress distribution was measured. It is shown that the residual stress decreases gradually from the center to the edge of

doaj   +1 more source

What makes us groove?

open access: yes, 2023
Music captures listeners’ attention easily, gives pleasure, makes people dance, and feel connected to other people. In the field of musicology, this combination of musical experiences relates to the concept of groove.
Duman, Deniz
core   +1 more source

The Role of Ultra‐Thin Passive Films and Organic Adsorbates on Aluminum Chips for a Friction‐Induced Solid‐State Recycling Process

open access: yesAdvanced Engineering Materials, EarlyView.
Despite benefits to storage stability and handleability of aluminum scrap, octadecyl phosphonic acid (ODPA) SAMs reduce the tensile strength of wires produced using friction‐induced recycling. Etching and methyl diphosphonic acid (MDPA) coatings, however, have little effect.
Timothy D. Goller   +3 more
wiley   +1 more source

Adhesion-induced roof collapse of a rectangular micro-groove under applied pressure

open access: yesInternational Journal of Smart and Nano Materials
In soft lithography roof collapse is frequently observed on the stamp surface consisting of rectangular micro-grooves which yields unwanted contact between the sagged surface and the substrate. Deep understanding of the adhesive contact behavior is a key
Fan Jin, Jiayao Hu, Fan Xia, Zhigeng Fan
doaj   +1 more source

Temperature Approach Optimization in the Double Pipe Heat Exchanger with Groove

open access: yesMATEC Web of Conferences, 2016
Heat transfer in double pipe heat exchanger with circumference-rectangular grooves has been investigated experimentally. The volume flowrate of cold and hot water were varied to determine its influence on the approach temperature of the outlet terminals.
Sunu Putu Wijaya   +2 more
doaj   +1 more source

Effect of Groove Texture on Deformation and Sealing Performance of Engine Piston Ring

open access: yesMachines, 2022
During the present study, a double groove texture was designed on the surface of a piston ring to improve the sealing performance between the piston ring and cylinder liner.
Tingkun Chen   +8 more
doaj   +1 more source

Coordinated Architectural and Chemical Reinforcement in the Crushing Mandible of a Soldier Termite

open access: yesAdvanced Functional Materials, EarlyView.
The crushing mandible of a soldier termite withstands substantial biting loads despite lacking mineral. Its cuticle is partitioned: convex teeth pair hardness and zinc enrichment with aligned chitin fibers for contact durability, while stiffer concave regions between teeth carry bending loads.
Andrew Tran Nguyen   +16 more
wiley   +1 more source

Dynamically Actuated Reconfigurable Topographical Surface Enables Active Control of Implant‐Associated Infections

open access: yesAdvanced Functional Materials, EarlyView.
A dynamically actuated reconfigurable topographical surface (DARTS) integrates contact‐mediated bactericidal nanotopography with programmable mechanical actuation to actively disrupt bacterial biofilms. Dynamic surface reconfiguration enhances bacterial killing and suppresses implant‐associated infections in vivo, providing a new strategy for active ...
Mohammad Asadi Tokmedash   +4 more
wiley   +1 more source

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