Results 21 to 30 of about 12,031,440 (347)

Research on Fatigue Damage in High-Strength Steel (FV520B) Using Nonlinear Ultrasonic Testing

open access: yesShock and Vibration, 2020
In view of the early fatigue damage of high-strength steel FV520B, a nonlinear ultrasonic detection was performed on two types of fatigue samples using nonlinear Lamb waves.
Bingbing Chen   +4 more
doaj   +1 more source

The improvement of aluminium casting process control by application of the new CRIMSON process [PDF]

open access: yes, 2012
All The traditional foundry usually not only uses batch melting where the aluminium alloys are melted and held in a furnace for long time, but also uses the gravity filling method in both Sand Casting Process (SCP) and Investment Casting Process (ICP).
Dai, Xiaojun J.   +2 more
core   +1 more source

A Supervisor for Control of Mode-switch Process [PDF]

open access: yes, 1994
Many processes operate only around a limited number of operation points. In order to have adequate control around each operation point, and adaptive controller could be used. When the operation point changes often, a large number of parameters would have
Hilhorst, R.A.   +4 more
core   +4 more sources

Two-Stage Hybrid Model for Efficiency Prediction of Centrifugal Pump

open access: yesSensors, 2022
Accurately predict the efficiency of centrifugal pumps at different rotational speeds is important but still intractable in practice. To enhance the prediction performance, this work proposes a hybrid modeling method by combining both the process data ...
Yi Liu   +3 more
doaj   +1 more source

An investigation into the thermo-elasto-hydrodynamic effect of notched mechanical seals

open access: yesNuclear Engineering and Technology, 2022
A 3D thermo-elasto-hydrodynamic model is developed to analyze the sealing performance of a notched mechanical seal applied in the reactor coolant pump. In the model, the generalized Reynolds equation, the energy equation coupled with notch heat balance ...
Xiangkai Meng   +3 more
doaj   +1 more source

Short-term memory as a working memory control process [PDF]

open access: yes, 2013
Aben et al. (2012) take issue with the unthoughtful use of the terms “working memory” (WM) and “short-term memory” (STM) in the cognitive and neuroscientific literature.
Davelaar, Eddy J.
core   +2 more sources

Improvement of Hydrodynamics Performance of Naphtha Catalytic Reforming Reactors Using CFD [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2014
Due to high applicability of the fixed bed catalytic naphtha reforming reactors, hydrodynamic features of this kind of reactors with radial flow pattern are improved in this work by utilising computational fluid dynamics technique.
Rasool Mohammadikhah   +3 more
doaj  

Application of SWOT Analysis of Exploitation of Mineral Resources for Defining the Strategy of Support of Sustainable Development of the Slovak Republic [PDF]

open access: yesE3S Web of Conferences, 2019
The article deals with a quantifiable approach which leads to the definition of a strategy for promoting sustainable development through the exploitation of mineral resources in Slovakia.
Ocilková Jana   +2 more
doaj   +1 more source

APSS - Software support for decision making in statistical process control [PDF]

open access: yes, 2018
DOI nefunkční (7.1.2019)Purpose: SPC can be defined as the problem solving process incorporating many separate decisions including selection of the control chart based on the verification of the data presumptions.
Noskievičová, Darja
core   +1 more source

Assessment process of concept for mining and its impact on the region

open access: yesE3S Web of Conferences, 2017
Raw materials policy of the Slovak republic is currently in stage of the stagnation due to complex conception and outdated data (not updated from 2003).
Cehlár Michal   +3 more
doaj   +1 more source

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