Results 101 to 110 of about 205,998 (305)

Airflow control system for supersonic inlets [PDF]

, 1974
In addition to fixed and variable bleed devices provided for controlling the position of a terminal shock wave in a supersonic inlet, a plurality of free piston valves are disposed around the periphery of a cowling of a supersonic engine inlet.
Mitchell, G. A., Sanders, B. W.
core   +1 more source

A simple piston problem in one dimension

, 2006
We study a heavy piston that separates finitely many ideal gas particles moving inside a one-dimensional gas chamber. Using averaging techniques, we prove precise rates of convergence of the actual motions of the piston to its averaged behavior.
Anosov D V, Callen H B, Chernov N, Chernov N, Dolgopyat D, Gruber Ch, Kifer Y, Lochak P, Neishtadt A I, Neishtadt A I, Paul Wright, Sanders J A, Sinai Ya G, Sinai Ya G   +13 more
core   +1 more source

Bioinspired Hierarchical Architecture with Water Transport Channels for Strong Adhesion at the Sweating Interface

Advanced Science, EarlyView.
To address adhesion failure in sweaty epidermal electronics, this study proposes a cross‐species, multi‐scale biomimetic interface. By modeling staged wet adhesion, it integrates self‐regulating liquid bridges with directional drainage. This design ensures stable, high‐performance flexible sensing in complex physiological environments, offering a ...
Jieliang Zhao, Yu Xiang, Heng Wang, Huiqing Xu, Zhong Liu, Lulu Liang, Fengwen Jiang, Xuemei Chen, Wenzhong Wang, Chenqing Liu, Guodong Liu, Shaoze Yan, Xu Hou   +12 more
wiley   +1 more source

Measurement of Slipper Behavior in Swashplate-Type Axial Piston Pumps

Tribology 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, Yuuichirou Tanikawa, Shinji Tanaka, Keiji Kyogoku, Masao Kikuchi, Hiroshi Yamamoto   +5 more
doaj   +1 more source

Liquid-metal-piston MHD generator [PDF]

, 1969
Magnetohydrodynamic generator uses a slug or piston of liquid potassium as the working fluid. An expanding vapor of the metal is allowed to reciprocate the liquid-metal-piston through a magnetic field and the expansion energy is converted directly into ...
Palmer, J. P.
core   +1 more source

Data‐Driven Modeling of Composition–Processing–Microstructure Relations for Recycled Aluminum Cast Alloys

Advanced Science, EarlyView.
Interpretable machine learning reveals how composition and processing govern the formation and microstructural burden of Fe‐rich intermetallic compounds in recycled Al–Si–Fe–Mn alloys. By separating morphology selection from morphology‐conditioned burden partitioning, this framework shows that identical Fe contents can yield different intermetallic ...
Jaemin Wang, Waleed Mohammed, Dierk Raabe   +2 more
wiley   +1 more source

Overview of free-piston Stirling engine technology for space power application [PDF]

, 1987
An overview is presented of free-piston Stirling engine activities, directed toward space power applications. One of the major elements of the program is the development of advanced power conversion.
Slaby, Jack G.
core   +1 more source

The Simplest Piston Problem II: Inelastic Collisions

, 2006
We study the dynamics of three particles in a finite interval, in which two light particles are separated by a heavy ``piston'', with elastic collisions between particles but inelastic collisions between the light particles and the interval ends.
E. Gutkin, G. Arfken, G. Galperin, H. B. Callen, P. Deltour, Pablo I. Hurtado, S. Redner, S. Tabachnikov, V. V. Kozlov   +8 more
core   +1 more source

Improved Direct Ink Writing of Liquid Metal Foams via Liquid Additives

Advanced Electronic Materials, EarlyView.
The ability to pattern liquid metal is useful for making soft electrical and thermal devices. Dispensing liquid metal from a nozzle naturally results in the formation of spheroidal droplets, making direct‐write printing challenging. Liquid metal foams containing pockets of air can extrude as filaments, albeit inconsistently.
Febby Krisnadi, Tushar Sakorikar, Man Hou Vong, Michael D. Dickey   +3 more
wiley   +1 more source

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

Journal 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