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Online since: March 2007
Authors: Lin Ye, Zhi Ping Chen, Zhong Qing Su, Xiao Ming Wang
Excellent identification capacity of the built-in sensor network indicates its considerable application potential in providing high-fidelity data acquisition/condition monitoring for composite structures.
With reduction in exposure of sensors and utility of cables, the nature of embedment enables outstanding stability in signal generation and acquisition even in rugged environment.
Experiment Setup The composite laminates with integrated active sensor network were instrumented with a signal generation and data acquisition system on VXI platform [4], consisting of an arbitrary signal generation unit (Agilent© E1441), a signal amplifier (PiezoSys® EPA-104), a signal conditioner (Agilent© E3242A) and a signal digitizer (Agilent© E1437A), highlighted in Fig. 2.
Online since: March 2014
Authors: Marie Kvapilová, Jiří Dvořák, Petr Král, Jaroslav Lukeš, Vaclav Sklenička
Strain rate was evaluated from load and displacement data.
The aim of this work is to investigate creep behavior of different metallic materials in order to evaluate the microstructure changes related to the thermal exposure and reduction of the grain size to the submicrometer level on the creep behavior of selected materials.
The strain rate was determined from time and displacement data which were measured during nanoindentation creep tests through the following equation: (2) where h is the indenter displacement measured during creep test and t is time.
Online since: March 2006
Authors: Xue Ren Wu, J.Z. Liu, B.R. Hu, L.F. Wang, B. Chen
Predicted total fatigue life by solely considering small crack growth stage agreed well with the experimental data.
One of the concerns with welded structures, however, is the tendency of cracking and the consequent reduction of their fatigue lives.
Large crack growth data for cracks in the HAZ area were employed as da/dN∆ Keff base-line of the TA15 alloy.
Predicted total fatigue life by solely considering small crack growth stage agreed well with experimental data.
Fig. 5 The notches on M(T) specimens Fig. 6 Etching picture of large crack growth at HAZ Figure 8 gives the large crack da/dN-∆ Keff data for the parent TA15 metal, the weld zone and the HAZ area.
Online since: September 2014
Authors: Xue Jin Wang, Jing Hong, Zhi Hong Zhang
But there is a lack of the data for new energy saving walls in building, which led to lacking data in load calculating for air conditioning.
The software will change the existing condition there is a lack of the data for new energy saving walls in air conditioning cooling load calculation, and apply the result of the reforms for new energy saving walls to air conditioning cooling load calculation. 6.2 The software will change the existing condition there is a lack of the data for new energy saving walls in the dynamic thermal basic data calculation.
The data in the paper is on condition that the environmental parameters for air conditioning design are inputs.
If you feed data of corresponding period such as all-year into the software, you can get the dynamic thermal basic data for corresponding period or all-year thermal dynamic load simulation, energy consumption forecasting and analysis.
If you feed data of the other area into the software, you can get the software for the other area.
Online since: October 2006
Authors: Krishnan Balasubramaniam, B.V. Soma Sekhar, J. Vishnu Vardan, C.V. Krishnamurthy
The first technique is based on multi-transmitter-multireceiver (MTMR) technique with tomographic methods used for data reconstruction.
In the MTMR, the possibility of SHM using algebraic reconstruction techniques (ART) for tomographic imaging with Lamb wave data measured in realistic materials is examined.
Hence, tomographic reconstruction with limited Lamb wave data must be performed.
Data was collected on Wing box before (reference data) and after Fig. 6 Architecture for a STMR Array Lamb wave based SHM system.
[8] Subbarao, P.M.V., Munshi, P. and Muralidhar, K. (1996) "Performance of Iterative Tomographic Algorithms applied to Non-destructive Evaluation with limited data".
Online since: November 2020
Authors: Tahereh Talaei-Khozani, Maryam Shadravanan, Mona Latifi, Zahra Vojdani
Statistical analyses The data were analyzed by One Way-ANOVA and LSD post hoc testsby SPSS 15.0 for windows and P value less than 0.05 was considered as significant.
PTX led to a significant reduction in VEGF production.
Our data revealed that local administration of PTX has no effect on calcium deposit; however, it can improve organic matrix formation and protein production.
The data showed that PTX caused the osteoblasts to produce protein on the first day, and as the time progressed, the protein synthesis gradually decreased till it reached the level synthesized by the cells on PTX-free condition on day 7.
Our data indicated that local administration of PTX attenuated the VEGF production in MG63 cell line.
Online since: January 2015
Authors: Jun Shi He, Heng Liu
This system is based on the original of each system, the new construction of the combination forecast, real-time scheduling, scheme optimization is completed, the system has greatly enhanced the flexibility and practicality. 5.2 GIS The application of GIS technology to realize Reservoir location search, layer control, information display and measurement functions, the key technologies as follows: (1)Development of data interface: Application of GOOGLE EARTH API technology, Google map are integrated into the system platform, the user can choose arbitrary positioning of the reservoir, and in a three-dimensional view of the form to be displayed on a map, and in a variety of forms of real-time display of water and rain data and forecasting and dispatching results data
(2)The comprehensive early warning: To achieve the targets of reservoir automatic alarm and warning, including real-time data and daily forecasting data of early warning, alarm level is divided into four levels, system according to the characteristics of the current data and the value of each reservoir and the alarm condition to judge, special display in a different color, can real-time understand what reservoir existence danger. 5.6 The Flood Forecasting Automatic collection of water and rainfall information, calculation of basin precipitation after 8:00 precipitation, runoff and PA, and confluence calculation according to the unit line selected by the user, the final completion of the whole process of reservoir runoff calculation, obtain the net rainfall, reservoir water level, storage and process of information the characteristic values of the flow, the establishment of calibration model for real-time correction of forecasting results, which can analyze and compare with the historical
flood; at the same time, automatic storage reduction calculation.
The key techniques as follows: (1)The pseudo forecast: The automatic acquisition of the next 24 hours rainfall data or custom rainfall information system, pseudo forecast to achieve different flood magnitudes, access to information possible flood process.
At the same time, the system can automatically extract the history of typical rainfall, according to the history of typical rainfall magnitude and rain type characteristic value of the same enlargement or reduction
Online since: December 2016
Authors: Jiří Janovec, Michal Junek, Jakub Horváth, Marie Svobodová
These data can be used for new approaches of FEM modelling of welds considering heat affected zone like a combination of different materials with different mechanical properties, which connect the thermally unaffected base metal and weld metal.
The main difference between the orbital welding and the manual metal arc welding is a significant reduction of welding time (approximately 20 – 30 %) [1].
[3] Thyssen Krupp Materials International: Material data sheet P91/T91 MX/TIS-TS_01/12.2014 [4] P.
Online since: April 2023
Authors: Cris Katherin Palomino-Ñaupa, F.A. Cuzziramos-Gutiérrez, Fredy Alberto Huamán-Mamani, G.P. Rodríguez-Guillén, D.L. Mayta-Ponce
The mechanical data found revealed a systematic decrease in the maximum stress as the volume of wool added in the mortar mixtures manufactured increased.
From the mechanical data found, it was possible to verify the reduction of the maximum compressive strength values as the volumetric fraction of alpaca wool fibers increased.
Online since: October 2013
Authors: Ya Zheng Liu, Chao Lei Zhang, Le Yu Zhou
And the data obtained suggest that the interlamellar spacing within 140-280nm can ensure the plasticity for the steel.
Then, due to this local weakening by a reduction in the constrain of the structure, the ferritic matrix can deform further, this promotes cracking of neighboring plates (Fig.6b-c).
Consequently, the data obtained in this paper give a further insight into the microstructure controlling of the spring steel.
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