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Online since: June 2010
Authors: Ya Peng Wu, Heng Wei Deng, Hong Qiang, Min Ji, Yu You Li, Yong Zhi Chi
The experiment (Table 2) was based on the Uniform Design with three factors[17].
A steady-state of digester operation was assumed when daily effluent properties and biogas production fluctuated in a narrow range (10%) which was achieved usually in three HRTs[4].
As shown in Figure 1, starting with pretreated TWAS not only affected the rate of methane production but it also affected the extent of TWAS digestion.
Sludge dewaterability was affected by colloid and soluble organic matters.
Additional factors such as plant capacity, sludge characteristics, energy requirement of the plant, disposal costs and regulatory requirements are major factors that would affect the economic analyses.
Online since: December 2012
Authors: Chia Chun Yu, Shih Cheng Wang, Cherng Shing Lin, Te Chi Chen
The temperature distribution for RC material is affected by heat specific and heat conduction coefficient.
A steel bar mechanics and thermal properties are simple due to it is homogeneous material.
Therefore, the physical and chemical properties in different heated history and intensity are complex development due to much small holes and some steam in the concrete material [2 - 8].
Therefore, the fire intensity sizes are major factor for beam strength decrease after a fire.
Hsu: Numerical Modeling of Mechanical Properties for Reinforced Concrete Beams Exposed to Fire, Doctoral thesis (2006)
Online since: September 2013
Authors: Ning Zhao, Chuan Biao Xu
Interactive job shop experiments system on education Ning Zhao 1,a, Chuanbiao Xu 1,b 1 School of Mechanical Engineering University of Science and Technology Beijing Beijing 100083, China azhning@sina.com, bxcb617736@126.com Keywords: Job shop problem, education, interactive scheduling experiment system, Group adjust,Critical path.
The makespan Cmax is affected by operation Oi,jk,l, since parameter i,j and k is specific, therefore parameter l is the only key factor for Cmax.
Apparently, critical path is the key factor to make span Cmax.
A neighbourhood property for the job shop scheduling problem with application to hybrid particle swarm optimization[J].
Online since: August 2013
Authors: Qing Rong Yang, Gui Fang Zhang, Peng Yang
Experimental Study Ore property.
For the gold dissemination of this sample in each grade is average, complete monomer dissociation and exposing of particle were difficult to achieve by mechanical grinding.
Fig. 3 Results of the leaching time experiments According to Fig. 3, leaching time greatly affects the rate during the initial leaching period.
The experiments of size mixing in different regulators were conducted after considering these factors.
Online since: January 2013
Authors: Xiao Peng Hu, Peng Yun Song
The Real Gas Equation of State The real-gas equation of state can is well expressed as (1) Z is the compressibility factor ,which depicts the degree of real gas deviated from ideal gas.
The (k+1) th iterative calculation result of the Eq.(9) as .A SOR factor was adopted to quicken the iterative process.
On the other hand, the amount of substance of real carbon dioxide was more than ideal carbon dioxide at the same high pressure condition and seal gap because of the property of real carbon dioxide easy compressed.
The opening force and the radial leakage was different degree affected for the difference real carbon dioxide and ideal carbon dioxide in the T—groove dry gas seal.
Chinese Journal of Mechanical Engineer.
Online since: May 2014
Authors: Shigeru Nagasawa, Yasushi Fukuzawa, Yoshiaki Shiga
The in-plane tensile test properties in MD, based on JIS-P8113 (gauge length: 180 mm, width: 15 mm, feed velocity: V=0.33 mm×s-1), are shown in Table 1.
Table 1 In-plane tensile properties of white-coated paperboard in machine direction Ultimate TS sB MPa 41.1 (40.2~42.7) Proof S. 0.2%strain MPa 11.1 (11.4~10.9) Breaking true strain eB % 1.71 (1.81~1.62) Young’s mod.
Figure 7 Relationship between factor a and b by varying nominal shear strain (1>g>0.2) and tracking angle a= p b +a0 (2) Here, the proportional coefficient p was approximately 0.054 when assuming a0 = 0.
The exponential coefficient –p appears to be varied with several mechanical or materials properties.
It was found that the tracking bending moment resistance at a certain large angle (e.g., Q=90 °) was remarkably affected by the rubbering condition.
Online since: March 2015
Authors: Akhilesh Kumar Choudhary, H. Chelladurai, C. Kannan
Solubility of ethanol in diesel is mainly affected by two factors namely, temperature and water content of the blend [7].
Three factors allow full second order polynomial model, to provide a significant information about the output response so α= ± 1.
On the basis of 2k +2k+m, where k=3, number of factors or independent parameters and m is number of replicate center points, The CCFCD provides 20 number of experiments including 8 factorial points (2k), 6 axial point (2k) and 6 center points in each face of factorial space.
The proper mixing of air fuel affects the (a) (b) (c) (d) Fig. 4 Effect of FIP, (a) for BP, (b) for BTHE, (c) for BMEP and (d) for NO of diesel and 5 BED at different Fuel injection pressure (Load =6 Kg and CR= 16) fuel spray formation and initial velocity of injected fuel is directly affected by fuel injection pressure.
References [1] Rakhi N Mehta, MousumiChakraborty, Parimal A Parikh, “Comparative study of stability and properties of alcohol-diesel blends”, Indian journal of chemical technology, 19 (2012) 134-139 [2] D.C.
Online since: October 2015
Authors: Natalino Gattesco, Ingrid Boem
The mechanical characteristics of the GFRP wires and of the connectors are summarized in Table 1.
A material safety factor equal to γM = 1.0 was considered for the global seismic analysis of the building.
Plastic hinge properties.
The mechanical properties of URM are in agreement with the values for existing masonry reported in table C8A.2.1 of the Italian Recommendations “Circolare 2 febbraio 2009, n. 617” [25], annex of the Italian building code [26].
On the compressive strengths, it is assumed that the reinforcement does not affect these parameters, as evidenced in some preliminary tests carried out by the authors.
Online since: February 2006
Authors: B.D. White, Olivera Kesler
Kesler1,2, b 1 Dept. of Mechanical Engineering, The University of British Columbia, 2054-6250 Applied Sciences Lane, Vancouver, British Columbia, Canada, V6T 1Z4 2 3250 East Mall, Vancouver, British Columbia, Canada, V6T 1W5 a bdwhite@interchange.ubc.ca, bkesler@mech.ubc.ca Keywords: Solid Oxide Fuel Cells, Air Plasma Spraying, Impedance Spectroscopy Abstract.
The principle challenge to manufacturing SOFCs by plasma spray is developing an understanding of how the great number of process parameters influence the properties of the coatings produced.
The factors which appear to have the most significant and direct influence on the coating composition are the standoff distance, plasma gas composition, and relative particle size.
Cathode Microstructure and Composition The standoff distance appeared to primarily affect the relative amount of YSZ that would be present in the final coating, with coatings produced at small standoff distances containing significantly more YSZ.
Uhlenbruck, "Processing and properties of the ceramic conductive multilayer device solid oxide fuel cell (SOFC)", Ceramics International, Vol. 30, No. 7 (2004), pp. 1107-1113
Online since: November 2013
Authors: Ahmad Abdul Latif, Leo Choe Peng, Hani Shazwani Mohd Suhaimi
Introduction Metal nanoparticles have unique physico-chemical properties which differ from bulk material.
The mentioned interaction may couple with the condition of phase inversion to affect the thermodynamics and kinetics of membrane formation process, resulting in different structures and performances of final membranes.
It can be associated to the disturbance of these stabilizers in the membrane that can affect the membrane performance.
The morphology changes on membrane due to the incorporation of Pd_PEG can be related to the permeation properties as discussed earlier.
Lai, Effects of phase inversion and rheological factors on formation of defect-free and ultrathin-skinned asymmetric polysulfone membranes for gas separation, Separation and Purification Technology 33(2) (2003) 127-143
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