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Online since: January 2012
Authors: Yi Ping Guo, Shu Long Teng, Chun Xia Jia
The generated energy of photovoltaic panels is calculated according to reference [3].In the paper outdoor climate parameters is from compiled data[4] of 193 cities in 20 years by Tsinghua University and the China Meteorological Administration.
From the calculated data in the Table 3, Pattern 1 costs 16.56 million RMB and 14.14 million RMB more than Pattern 2 within 20 years and 25 years respectively.
Analysis of environmental effect Emission reductions Consequences of emission reduction Ton Yuan/ton 10,000 yuan Saving of standard coal consumption 5094 550 280 Reduction of CO2 13346 80 106.8 Reduction of SO2 83.03 1260 10.46 Reduction of NOX 24.45 2000 4.89 Reduction of dust 32.6 550 1.79 social benefit analysis of this project(in 25 years) 403.9 Conclusions The economic and technical analysis of BIPV campus project shows the initial investment of the PV system can't be retrieved during the whole life period, in spite of the operating cost is almost zero.
Zhao: Verification Reference Manual on Emission Reduction of Main Pollutants (China Environmental Science Press,2008).
Online since: November 2012
Authors: Bo Zhou, Chang Zheng Chen, Quan Gu
Singularity value decomposition noise reduction method The singularity value decomposition noise reduction method is a nonlinear filtering method based on SVD theory [2].
Fig.3 shows the fault signal time-domain waveform post SVD noise reduction.
In this method, fault feature is extracted by the SVD noise reduction and EEMD method decompounds a series IMF, and then makes Hilbert transform.
Based on Empirical Mode Decomposition and Engineering Application of SVD noise reduction [J].
Ensemble empirical mode Decomposition: a noise-assisted data analysis method [J].Advances in Adaptive Data Analysis, 2009,1(1): 1-41
Online since: April 2012
Authors: De Gong Chang, Dong Chen
It is beneficial to making considerable reduction of development cycle and cost.
Modular Machine Tool & Automatic Manufacturing Technology, pp. 57–58, 2006, 6 [2] Delta Tan Data System Inc: Turbo PMAC Quick Reference Manual(Delta Tan Data System Inc,America 2009)
[3] Delta Tan Data System Inc: Turbo PMAC Clipper Hardware Reference Manual(Delta Tan Data System Inc,America 2010)
[4] Delta Tan Data System Inc: Turbo PMAC Software Reference Manual(Delta Tan Data System Inc,America 2010)
[5] Delta Tan Data System Inc: PCOMM32PRO Software Reference Manual(Delta Tan Data System Inc,America 2003).
Online since: January 2013
Authors: Ming Chun Li, Jia Tao Liu, Yu Jing, Yan Ping Qu
The simulation results are validated by comparing with the experimental data.
Introduction The transfer processes in porous media have broad applications in chemical and metallurgical industry, such as petroleum industries, energy storage units, catalytic reactors, ore calcinations, reduction, sintering and etc [1-3].
Results and discussion The governing equations are rendered discrete using the finite volume method with an implicit formulation [13].This paper takes the indirect reduction of iron ore as an example for computation [14].
The calculated results of the solid conversion ratio were compared with the experimental data as shown in Figure 1.
The solid lines in Figure 1 show the experimental data of the conversion ratio varied with time, and the calculated results are represented by the dotted lines.
Online since: June 2016
Authors: Sutardi Sutardi, Wawan Aries Widodo
Studies of drag reduction due the the boundary layer effect are continuously performed by many researchers.
Drag reduction up to about 10% has been reported using surface modification on a flat plate [1].
The wire probe is connected to a data acquisiton unit and interfaced to a personal computer for further data processing.
Sampling frequency of present hot-wire maesurement is set to be 4 kHz and the wire was operated for ten seconds for data collection.
Therefore, as many as 40000 data points were collected for the need of turbulent analysis.
Online since: January 2012
Authors: Shen Xu, Jun Song Li, Jian Feng Jiang
The off-chip accesses are performed by the data fetch an data transfer two operations and the execution time Toff for Woff is sum of the time Toff1 for the data transfer which depends on the frequency fint and the timeToff2 for the data fetch which depends on the frequency fext.
The execution time T of a task can be calculated as: where is the ratio between the data transfer time and the data fetch time and is set to be 0.35 based on the experimental results.
According to the on-chip workload and off-chip workload, the system energy consumption for a task at frequency combination Fn is given as: where is the power of the system for the standby state at Fn. , and are system power at Fn for on-chip workload, data transfer and data fetch respectively.
The relationship between energy consumption of PMP and the ratio ρ at different frequency combinations We review the energy model for PMP and set the power parameters according to the experimental data.
Simulation result The proposed algorithms DVFS_AFC and DVFS_TFC are simulated by the energy model for PMP whose power parameters fit the experimental data.
Online since: May 2012
Authors: Vladimir I. Babitsky, Anish Roy, Agostino Maurotto, Vadim V. Silberschmidt
A reduction of 70-75% was measured for the tangential component (main cutting force) with a 71-88% force reduction in the radial component.
For the surface analyses a non-contact Zygo 3D scanning interferometer (model NV5000-5010) was used, and the obtained data was post-processed with the Taylor-Hobson Talymap Platinum 3D surface analysis software.
This data is also confirmed by the values of Rsk and Rku, showing a surface with more valleys and thinner peaks.
Each experiment was repeated at least 3 times in order to obtain statistically significant experimental data.
The radial component showed also a reduction of 60-80% while machining in the UAT mode.
Online since: January 2017
Authors: Preeyanuj Chaemsiriwat, Weerin Wangjiraniran
This research study about the abatement cost of CO2 reduction by using fly ash as a clinker substitute in Thailand cement industry.
The information from research in Thailand and international about abatement cost of CO2 reduction for cement industry.
The quantity of CO2 reduction is equal to 3095 ktonnes CO2/year.
Using data in 2015 to calculate in this research and using information from the expert, to get accurate results.
This same method can applied to calculate cost of CO2 reduction by using biomass ash as a clinker substitute material.
Online since: December 2012
Authors: Mohd Ambar Yarmo, Wan Nor Roslam Wan Isahak, Nor Asikin Mohamad Nordin, Mohamad Bin Kassim, Noraini Hamzah
This suggested that a sort of metal activation affect such as in situ reduction occurred during the repeated reaction.
In order to confirm in situ reduction had occurred during the repeated reaction, XPS analysis of used catalyst after each reaction were carried out to study the chemical state of Ru 3d species.
This result confirmed that in situ reduction had occurred during the repeated reaction and this made the activities of the catalyst increased upon recycling due to the availability of more metallic Ru on the surface of the catalyst.
The solid samples were held by a double-sided tape and all conditions of sample preparations, recording of the spectra and data processing were identical for all samples.
In contrast, Ru4+ species (BE 282.0 eV) decreasing during the repeated reaction due to in-situ reduction of Ru4+ to Ru0.
Online since: January 2012
Authors: Mei Hong, Zu Hao Zhou, Yang Wen Jia, Hui Li, Dong Wang, Bo Zhang
The 50% reduction of shallow groundwater abstraction may lead to a recover of 3 m of the lowest groundwater level.
After the model validation with the monitoring data, MODFLOW is utilized to quantify the reduction of river baseflow caused by the shallow groundwater abstraction in the area near the Wei river.
Three-dimensional geological structure model in the study area was established with drilling data in GMS software, and was shown as Fig.2.
Total data of hydrological year from 1991-12-1 to 1992-11-30 was selected to identify model parameters.
The 50% reduction of shallow groundwater abstraction may lead to a recover of 3 m of the lowest groundwater level.
Showing 4221 to 4230 of 40300 items