Results 101 to 110 of about 211,658 (259)

Three dimensional Casimir piston for massive scalar fields

open access: yes, 2008
We consider Casimir force acting on a three dimensional rectangular piston due to a massive scalar field subject to periodic, Dirichlet and Neumann boundary conditions.
Ambjørn   +28 more
core   +1 more source

Measurement of Slipper Behavior in Swashplate-Type Axial Piston Pumps

open access: yesTribology Online
In swash plate type axial piston pumps, slipper/swash plate sliding surfaces is subject to high fluctuating load. Therefore, the slippers are required to provide stable operation and reduce losses due to sliding. The behavior of the slipper fluctuates in
Shigeyoshi Kawakita   +5 more
doaj   +1 more source

Overview of NASA Lewis Research Center free-piston Stirling engine activities [PDF]

open access: yes, 1984
A generic free-piston Stirling technology project is being conducted to develop technologies generic to both space power and terrestrial heat pump applications in a cooperative, cost-shared effort.
Slaby, J. G.
core   +1 more source

Sealing characteristics study according to the length of labyrinth seal for ammonia compressor by computational analysis

open access: yesJournal of International Maritime Safety, Environmental Affairs, and Shipping
As the importance of developing eco-friendly equipment getting increase, studying and developing compressor for ammonia that is one of the eco-friendly fuel are demanded. The type of the seal, called labyrinth seal, is used in this compressor.
Mu-Kyeong Kang, Han-Ul Kim, Jing-Do Bae
doaj   +1 more source

On the radiation from unbaffled pistons and their dipole equivalent [PDF]

open access: yesarXiv
The radiation efficiency from simple vibrating planar surfaces is often used as a basis to describe the sound radiation from more complex structures, having important applications in various fields of acoustics. The low-frequency radiation efficiency of a baffled piston can easily be represented by a simple monopole source.
arxiv  

Squib-operated disconnect [PDF]

open access: yes, 1972
Disconnect device is described, which consists of stud with enlarged end held in collet locked by pins, which are held in place by piston.
Alexander, P., Jr., Mcdougal, A. R.
core   +1 more source

System for measuring transients in fluid flow [PDF]

open access: yes, 1974
When test valve is actuated, piston is moved by pressurized fluid, and displacement is monitored by electro-optical tracking system and recorded by oscilloscope camera.
Pearson, D. J.
core   +1 more source

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