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Online since: June 2007
Authors: Yong Shin Lee, Won Jong Nam, Kyung Tae Park, Ui Gu Gang
The activation energy for recovery and recrystallization was calculated using DSC data.
This resulted in the reduction of the subgrain aspect ratio.
The activation energies for recovery and recrystallization can be determined with the data from the DSC measurements.
Since the DSC peak position depends on the heating rate [6], the measured data of the peak positions for the different heating rates of 2, 4, 8, 16, 32℃/min were used.
The analysis results in a very good linear relationship for the measured data.
Online since: July 2024
Authors: Mohd Yunus Khan, Afroz Alam, S. Meesum Raza Zaidi
The study examines IoT's function in quality control and monitoring, highlighting how IoT-enabled sensors and cameras support waste reduction, real-time quality evaluation, and defect reduction.
The function of real-time data from sensors is to continuously supply data on the operation of equipment in real time.
IoT makes it possible to instantly verify product quality through data analysis, guaranteeing that the items fulfill requirements and facilitating prompt manufacturing adjustments. 2.4.4 Defect reduction in manufacturing processes.
Industry 4.0's heavy reliance on data raises questions regarding ethical and privacy usage.
Internet of Things for Industrial Automation -- Challenges and Technical Solutions. 2015 IEEE International Conference on Data Science and Data Intensive Systems
Online since: January 2015
Authors: Jin Long Fei, Wei Lin, Tao Han, Yue Fei Zhu
The interval of the statistics was 30 minutes. 470 experimental data was collected which formed an original traffic time series. 4.1 Simulation experiment 430 data are selected as the training set, the last 40 data is test set.
The figure 5 shows the before and after the noise reduction.
Obviously, the prediction method mentioned in this paper can get the most approximate prediction value with the real network traffic data compared with the three methods mentioned above.
(1) Table 1 shows the prediction error correlation data of the prediction methods mentioned above.
It is revealed in the simulation result that the data fitting effect and the model prediction accuracy mentioned in this model is better than using LSSVM, chaos model or LSSVM-Chaos singly.
Online since: July 2011
Authors: Wei Lin Guo, Teruyuki Fukuhara, Chao He
The reduction in heat gain of east, south and west walls is obvious, so is the cooling effect.
The experiment is carried out in Hangzhou in summer, and conducted by monitoring the indoor and exterior wall temperature of buildings with and without reflective coatings comparatively and analyzing the acquired temperature data.
All the temperatures are measured and recorded every five minutes automatically by Agilent data acquisition system.
For the convenience of comparison, only representative temperature data for 1-day period from 6 pm August 20th to 6pm August 21st is analyzed in this paper, which is collected from building envelope.
Assuming that the heat gain of northern wall, roof and floor is neglected, it’s easy to conclude that the heat gain of east, south and west wall is consumed by the air conditioning system so that the heat gain reduction by means of the reflective coatings can be calculated by the electricity consumption reduction of air conditioning system.
Online since: September 2011
Authors: He Li, Qing Rong Zhao, Bang Chun Wen
To get the nephogram of sound intensity and sound power spectrum, we used the sound intensity probe and Multi-channel Data Acquisition Regulation System B&K 3560-D and Pulse Data Processing Analysis Software.
The measurement results will serve as a reference for the car noise reduction. 1.
The main instruments were used in testing, as follows: (1) Multi-channel Data Acquisition Regulation System B & K 3560-D, and Pulse Data Processing Analysis Software; (2) One set of 3559 sound intensity probe, and the sensitivity and the model of it is shown in Table 1; (3) A computer; (4) Some cable.
The measurement results will serve as a reference for the car noise reduction
Online since: May 2011
Authors: Qiang Zhou, Peng Zhao, Pei Lei Yan, Bai Tao Sun
General idea about the STEDS The Fig.1 shows the technical process of STEDS, its main content as follows: Data preparation.
They include RS data, elevation data, basic data of buildings and so on.
The 3D terrain is consisted of RS and elevation data, which is the foundation of STEDS.
The color RS image can be formed by cutting and fusion of RS data of different bands.
The 3D terrain can be reproduced by addition of fused RS data and adjusted elevation data (Fig.2~3), really degree of which depends on their precision.
Online since: June 2008
Authors: Marcelo F.S.F. de Moura, M.A.L. Silva, J.J.L. Morais, A.B. de Morais, J.M.Q. Oliveira
This new data reduction scheme does not require crack length monitoring and includes the effect of the Fracture Process Zone (FPZ) ahead of crack tip.
A new data reduction scheme was proposed in order to overcome the difficulties inherent to crack length measurements during propagation and include the Fracture Process Zone effects ahead of crack tip.
Data reduction scheme ENF specimen The displacement of the loading point given by beam theory with shear effects is ( ) AG PL IE LaP dP dU f 13 33 12 5 12 23 + + ==δ (1) where A=2hB and I is the second moment of area.
Experimental results Numerical results Error GII ini (N/m) GIIc (N/m) GII ini (N/m) GIIc (N/m) GII ini (%) GIIc (%) ELS Average of 19 specimens 319 939 324 931 1.6 -8.5 St. dev. (%) 31.8 16.9 32.4 16.9 ENF Average of 24 specimens 570 910 570 900 -1.1 1.7 St. dev. (%) 31.8 16.9 32.4 16.9 Conclusions A new data reduction scheme based on the specimen compliance is proposed for the ENF and ELS tests.
Online since: January 2005
Authors: Wing Yiu Yeung, M.D. Callaghan, Maurice I. Ripley, David G. Carr
From the test data, fracture properties in particular the equivalent fracture strain (εqf) can be determined.
No irradiation embrittlement data exist for Zr-4 at the RRR operating conditions.
The data were fitted by a straight line with an R squared value of 0.9791.
Load and deflection data at crack initiation were obtained successfully, via two CCD cameras in situ during testing.
This enabled εqf values to be calculated from the SP test data.
Online since: February 2015
Authors: Petr Kulhavý, Miloslav Pašek, Jakub Šašek, Jan Petřík
Vibration and Noise Reduction Analysis of Sheet Metal Structures with Damping Layer PETŘÍK Jan1,a, KULHAVÝ Petr1,b, PAŠEK Miloslav2,c and ŠAŠEK Jakub2,d 1Technical University of Liberec, Faculty of Mechanical Engineering, Studentská 2, 461 17 Liberec 1, Czech Republic 2Mecas ESI s.r.o., Brojova 16, 326 00 Plzeň, Czech Republic ajan.petrik@tul.cz, bpetr.kulhavy@tul.cz, cmiloslav.pasek@mecasesi.cz, djakub.sasek@mecasesi.cz Keywords: Damping, vibration, frequency response.
Vibration reduction in terms of lower acoustic noise level increases e.g. the passenger comfort, fulfills acoustic manufacturing standards, decreases the transportation impact on the environment etc.
Introduction Vibration and noise reduction of the sheet metal structures is the eternal topic for means of transportation development.
Mode f [Hz] f [Hz] [%] 1 10 10.1 1.00 2 63 63,5 0.79 3 178 179 0.56 4 352 353 0.28 The modal analysis simulation results show the acceptable correlation with experimental data.
The correlation with experimental data is acceptable (Fig. 5).
Online since: June 2020
Authors: François Brisset, Tahar Abid, Thierry Baudin, Mosbah Zidani, A.L. Helbert, Mohamed-Chaouki Nebbar, Ahmed Kisrane-Bouzidi
The quantitative analysis obtained by EBSD data shows the development of a strong (<110> // ND) texture of the ferrite phase leading to a structural transformation from isotropic to anisotropic. 1.
On the other hand, the reduction of interlamellar spacing and the refinement of grains size.
The EBSD data were then treated with the OIM Analysis software, developed by the EDAX company.
The cleanup procedure used to analyze the data was a Grain Dilation (one iteration, minimum grain size = 5, grain tolerance angle = 5) followed by a Grain CI Standardisation (same parameters).
Finally, we can say that the increase of the wire drawing is accompanied certainly with the reduction of the grain size.
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