Results 111 to 120 of about 3,071,481 (347)

Simulation and Experimental Investigation on Porous Gas Bearings for Linear Compressor

open access: yesZhileng xuebao, 2021
The active gas consumption technology of a gas bearing is adopted to realize oil-free lubrication and non-contact operation of a linear compressor to ensure the reliability of the compressor.
Zou Huiming   +4 more
doaj  

Impact of Compressor Coordination on Linepack Optimization and Cost Reduction for 24-Hour Operation in Integrated Gas and Electricity Network [PDF]

open access: yesInternational Journal of Research and Technology in Electrical Industry
The integration of gas and electricity networks is pivotal for efficient energy management, particularly with the rising penetration of renewable energy sources.
Mohammad Mehdi Amiri   +2 more
doaj   +1 more source

Polymer‐Incorporated Mechanically Compliant Carbon Nanotube Microelectrode Arrays for Multichannel Neural Signal Recording

open access: yesAdvanced Functional Materials, EarlyView.
This work presents a soft microelectrode array based on vertically aligned carbon nanotube (CNT) forests, combining high conductivity with mechanical softness. A densification process and air‐pressure‐assisted flexibilization improve structural integrity, ensuring stable insertion and reduced inflammation.
Hyeonhee Roh   +8 more
wiley   +1 more source

Cycling Joule Thomson refrigerator [PDF]

open access: yes, 1983
A symmetrical adsorption pump/compressor system having a pair of mirror image legs and a Joule Thomson expander, or valve, interposed between the legs thereof for providing a, efficient refrigeration cycle is described.
Tward, E.
core   +1 more source

Polaronic and Electrochemical Signatures in Group IVB (Ti, Zr, Hf) Oxides: Unified SKP–DFT Insights for Tunable Transport in Energy and Electronic Devices

open access: yesAdvanced Functional Materials, EarlyView.
Charge carrier concentration and mobility in TiO2, ZrO2, and HfO2 powder films are experimentally mapped as a function of temperature. The results uncover polaron‐mediated transport regimes and field‐activated conduction, enabling the design of oxide‐based electronic and energy devices with thermally tunable functionality.
Beatriz Moura Gomes   +3 more
wiley   +1 more source

Numerical Simulation on Behavior of Surge Avoidance System of Centrifugal Compressor

open access: yesShiyou jixie, 2018
The surge avoidance system in the gas compression station for natural gas long-distance pipeline transportation is the combination of pipeline and components to avoid the surge of the compressor and reduce the surge damage to the compressor.
Hou Dali, Sun Zhiguang, Zhang Fang
doaj  

The Hierarchical Structure of Sheep Wool and Its Impact on Physical Properties

open access: yesAdvanced Functional Materials, EarlyView.
Sheep wool, a prevalent α‐keratinous fiber, is an essential model for studying protein‐based fibers. Its genetic diversity across breeds enables the establishment of multiscale structure‐property relationships, uncovering previously elusive insights into wool's hierarchical structure.
Serafina R. France Tribe   +9 more
wiley   +1 more source

A novel model-based diagnostics for identifying component degradations in gas turbines for power generation

open access: yesCase Studies in Thermal Engineering
Improving the accuracy of gas turbine performance diagnosis is important for reducing maintenance costs. Conventional model-based diagnostics use either compressor map adaptation based on correction curves or compressor map scaling based on an assumed ...
Young Kwang Park   +3 more
doaj   +1 more source

Improved cryogenic refrigeration system [PDF]

open access: yes, 1967
Two-position shuttle valve simplifies valving arrangement and crank-shaft configuration in gas-balancing and Stirling-cycle refrigeration systems used to produce temperatures below 173 degrees K.
Higa, W. H.
core   +1 more source

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