scholarly journals Brief overview of generative design support software

2020 ◽  
Vol 10 (2) ◽  
pp. 123-132
Author(s):  
Kristóf Szabó ◽  
György Hegedűs
Keyword(s):  
Rapid Prototyping ◽  
Metal Powder ◽  
Design Process ◽  
Process Design ◽  
Additive Technology ◽  
Generative Design ◽  
Term Operation ◽  
Design Engineers ◽  
Support Software

The new generative design process that has emerged in recent years has become available in more and more software. With the classic rapid prototyping procedures, it was not possible to test the designed products during long-term operation. However, the advent of metal powder printing and additive technology already allows for the long-term testing of designed prototypes, and even, if the deviation from the required properties of the product is negligible, the production of the final products. As a result, with the generative design process, design engineers also can create products that seemed unthinkable so far.

Detection method for stability of microcontroller accessories based on biosensor

2021 ◽  
pp. 1-14
Author(s):  
Yan Ren ◽  
Jiayong Liu
Keyword(s):  
Process Design ◽  
Detection Method ◽  
Detection Accuracy ◽  
Stability Testing ◽  
Term Operation ◽  
Existing Problems ◽  
Testing Method ◽  
And Performance ◽  
The Stability

In order to solve the problem of poor accuracy of traditional microcontroller attachment stability testing method, a microcontroller attachment stability testing method based on biosensor was designed to solve the existing problems. The reliability test index of the microcontroller is established, then the interference of the microcontroller accessory is detected and responded, and the interference detection signal of the microcontroller accessory is selected. The process design of stability detection of microcontroller accessories based on biosensor is completed. The experimental results show that the stability detection method based on biosensor designed in this paper can ensure the stability detection accuracy of microcontroller accessories above 80%, which is more accurate than traditional methods. It can be used to evaluate the stability, reliability and performance of microcontroller accessories in long-term operation.

Computational Simulations on Melting Process of Fine Metal Powders With Laser Irradiation Welding

2009 ◽  
Author(s):  
Kazuyuki Takase ◽  
Toshiharu Muramatsu ◽  
Takahisa Shobu ◽  
Kazuyuki Tsukimori
Keyword(s):  
Stainless Steel ◽  
Metal Powder ◽  
Steel Plate ◽  
Numerical Study ◽  
Melting Process ◽  
Metal Powders ◽  
Stainless Steel Plate ◽  
Term Operation ◽  
Breeder Reactors

At the commercial use stage in sodium-cooled fast breeder reactors, securing maintenance and repair better than an equal to that of present water-cooled reactors is needed. Especially a repair technology that secures the plant integrity for long-term operation period becomes indispensable in the heat exchanger tubes of the steam generator that form the boundary of sodium and water coolants. Then the present study focused on the standardization of welding technology with a laser. An experimental study regarding the welding of a stainless steel plate with the laser using fine metal powders is being performed. Moreover, a numerical study is performed to simulate the welding of the fine metal powder on the stainless steel plate. The fine metal powder is made of iron, and is heated by the laser beam, and then melts exceeding the melting temperature. This paper reports the computational results of the welding phenomenon of some metal powders which changes from solid to liquid and liquid to solid. The results were compared with the experimental results qualitatively.

Impact of Contact Wear on Bounce Time of ZNII Vacuum Capacitor Switch

2013 ◽  
Vol 706-708 ◽  
pp. 1389-1392
Author(s):  
Ming Yin ◽  
Jian Li
Keyword(s):  
Design Process ◽  
Motion Simulation ◽  
Term Operation ◽  
Contact Wear ◽  
Switch Study

Bounce time is one of the important factors of the ZNII vacuum capacitor switch. Study on the effects of contact wear on the bounce time can guarantee the performance stability of bounce during long-term operation. Through the analysis of closing bounce dynamics and motion simulation by MATLAB, get the conclusion that with the increasing of contact wear bounce time increases. Therefore, considering the influence of contact wear to the bounce time is very necessary in the design process.

Analysis of crystallite size changes in a hematite and magnetite formed on steel used in the power idustry

2017 ◽  
Vol 1 (21) ◽  
pp. 65-73
Author(s):  
Monika Gwoździk
Keyword(s):  
Elevated Temperature ◽  
Oxide Layer ◽  
Cross Section ◽  
X Ray ◽  
Term Operation ◽  
Diffraction Line Profile ◽  
Crystallite Sizes ◽  
Scherrer Formula ◽  
Pipe Outlet

The paper presents results of studies on the crystallite sizes of oxide layer formed during a long-term operation on 10CrMo9-10 steel at an elevated temperature (T = 545° C, t = 200,000 h). This value was determined by a method based on analysis of the diffraction line profile, according to a Scherrer formula. The oxide layer was studied on a surface and a cross-section at the outer and inner site on the pipe outlet, at the fire and counter-fire wall of the tube. X-ray studies were carried out on the surface of a tube, then the layer’s surface was polished and the diffraction measurements repeated to reveal differences in the originated oxides layer.

Retention and expression of recombinant plasmids in suspended and biofilm-bound bacteria degrading trichloroethene (TCE)

1997 ◽  
Vol 36 (10) ◽  
pp. 1-8 ◽  
Author(s):  
James D. Bryers ◽  
Robert R. Sharp
Keyword(s):  
Biofilm Reactor ◽  
Bacterial Biofilm ◽  
Laboratory Evaluation ◽  
Recombinant Bacteria ◽  
Suitable Host ◽  
Term Operation ◽  
Open Environment ◽  
Recombinant Microorganisms ◽  
Extracellular Polymer

Exposure of plasmid recombinant microorganisms to an open environment, either inadvertently or intentionally, requires research into those fundamental processes that govern plasmid retention, transfer and expression. In the open environment, a majority of the microbial activity occurs associated with an interface, within thin biological layers consisting of cells and their insoluble extracellular polymer, layers known as biofilms. Current toxic wastewater or wastegas treatment reactors exploit bacterial biofilm systems for certain system operating advantages. Using recombinant bacteria within a biofilm reactor to degrade xenobiotic wastes requires finding a suitable host to harbor and express the desired plasmid phenotype. Suitable host characteristics include: the ability to produce copious amounts of biofilm, resistance to waste-related injury and toxicity, and the ability to retain and express the desired plasmid during long term operation. This paper reports on a laboratory evaluation of factors governing plasmid retention and the expression of trichloroethene (TCE) degradative capacity in both suspended and biofilm cultures.

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