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Mathematical Modeling for the Prediction of Fuel Properties of Biodiesel from their FAME Composition Soupayan Mitra1, a , P.K.
Bose 2, b and Sudipta Choudhury 3, c 1 Mechanical Engg.
The relationship between predicted fuel properties and FAME composition was investigated.
It is also reported [6] that factors such as double bond configuration influence viscosity (cis double bond configuration giving a lower viscosity than trans.) while double bond position affects viscosity less.
Thus the individual experimental complexity for biodiesel fuel properties can be reduced.

Special attention has to be paid for selecting steels with suitable mechanical properties, processing methods and delivery conditions.
Wind turbines are influenced by environmental factors and electrical loads that affect the processes of loading of structural elements and affect the service life and the process of its operation.
General requirements for the mechanical properties and treatment recommendations of steel are described in the Tables 1-2.
Mechanical properties requirements [11].
Properties and Safety Management about LNG Carrier.

The specific test is as follows. 1 Experimental Part 1.1 Experimental Methods In this study, orthogonal experiment was used, considering several factors for the regeneration of waste EPDM at the same time and selecting different levels for different factors.
Five experimental factors were selected: solve dosage, the amount of stearic acid, sulfur amount, mixing time and curing temperature.
So we can see from table 1, the data in the table is all meet the requirements. 2.2 Analysis of physical and mechanical properties 2.2.1 Solve agent’s affection on reclaimed rubber Solve agent copies has great affection on the tensile strength and 100% elongation of rubber.
With solve agent’s adding’s increasing, the physical properties of reclaimed rubber is also increasing, and when the adding is two copies (the amount of powder is 100 copies), the physical properties has the highest value.
However, due to the uneven mixing and incomplete vulcanization in the process of rubber, so adding a certain amount of sulfur can improve the physical and mechanical properties of rubber.

Factors affecting the FLDs prediction, such as imperfection intensity, initial texture, strain rate sensitivity and crystal elasticity will be taken into account.
The concept of forming limit diagrams (FLDs) was introduced by Keeler and Backofen [11] when conducting a biaxially stretched experiment and they found out that the material properties have great influence on the strain distribution in biaxial stretching test of sheet metal.
Now a common acceptance has been reached that forming limits of sheet metals are influenced by several physical factors, the most important ones of which are material work-hardening, strain rate sensitivity, plastic anisotropy (texture), the evolution of structural damage, in-plane and out-ofplane deformation, and changes of strain path.
[3] Bassani, J.L., Yield characterization of metals with transversely isotropic plastic properties, Int.
[16] Marciniak, Z., Kuczynski, K. and Pokra, T., Influence of the plastic properties of a material on the forming limit diagram for sheet metal in tension, Int.

As part of the research project, this paper gives the supplement study of the mix proportion and basic properties of C50 fair-faced concrete, and summarizes the experimental results of the apparent quality of C30 and C50 fair-faced concrete affected by the mold releases.
As affected by multi-factors of concrete itself and external conditions, the apparent quality of fair-faced concrete relied in a large extent on the transparent painting [4-6], it is necessary to develop the technology making fair-faced concrete to an idealized level.
Their properties were introduced at earlier published paper [7].
As the requirement of real urban bridge construction, to find out the suitable mix proportion and verify the basic properties of C50 fair-faced concrete, eleven mix proportions of concrete were designed as list in Table 1.
[9] GB/T 50081-2002: Standard for Test Method of Mechanical Properties on Ordinary Concrete (China Building Industry Press, Beijing, 2002)

Such processes typically introduce residual stresses into the coated surface, which in turn affect efficiency of coatings and play an important role in coating durability.
This quantity is related to different factors: the size of the grains, the residual micro-strain (II order) and the instrument used.
The second point that can be evidenced is that shot peening is able to work harden the coating: this is clear by observing the FWHM trend and confirm the ability of shot peening in modifying the material state and the material properties also for cold sprayed coatings.
On the basis of the experimental results it can be said that an improvement of mechanical properties of cold sprayed layers after shot peening is expected, even if a more marked effect can be reached only by changing the treatment parameters.
However, the results suggest that by using peening parameters able to increase the impact energy of the shot flow a more remarkable residual stress state could be reached and a more marked effect on the mechanical properties.

A connection of particular functional parts is one of the most important design factors which determine a shape of performance parameters and efficiency.
Geometric interaction is a cause and effect of hydrodynamic properties and efficiency of the pump.
Quality of hydrodynamic pump on the market is assessed according to price and other performance factors (durability, reliability, materials used, application based on various working fluids, etc.) as well as based on its parameters and special functional properties or capabilities.
These properties are achieved by technological, design and/or hydraulic interferences to the "traditional" forms respectively procedures of hydraulic design.
In real conditions, a bend is usually located in the area of the diffuser discharge affecting the final structure of the flow.

Many studies on pipeline steels have shown that impact absorbed energy and strength are affected by microstructural factors such as the type, volume fraction, and shape of secondary phases, grain sizes, and matrix structures.
However, for the ultra-low carbon bainitic steel with the microstructure of the FGBA and GB, the correlation between the microstructural factors and low temperature properties, especially the mechanism of low temperature microcrack origin, have little been studied.
Tensile properties and Charpy impact properties were examined, and the correlation between the microstructural factors and low temperature properties was investigated.
Fig.2 The microstructure of the ULCB rolled steel (a) (b) Fig.3 The schematic illustration of ledge mechanism (a) and coarse ledges observed by TEM (b) 3.2 Mechanical properties The tensile properties of the ULCB steel is given in table 2.
The effects of microstructure with the FGBA and GB on mechanical properties were investigated

Sliding surface and safety factor is obtained based on the physical and mechanical parameters of submarine sedimentary soil, plastic strain and equivalent plastic strain will be given.
(4) The potential risk is greater, which not only be able to destroy a variety of marine engineering facilities, but also even trigger a tsunami, resulting in a significant loss of life and property
(a) Frame 2 (b) Frame 11 (c) Frame 44 (d) End Fig.3 Distribution of when Fs =1.83 The comparison of the safety factors obtained by two instability criterion is shown in Table 2.
Table 2 Stability safety factors comparison of land slope Instability criterion Error (%) ① 1.82 0.55 ② 1.83 -- Submarine Slope Stability Analysis Results For the submarine slope, the safety factors with the two criterions are respectively 1.205 and 1.215.
(a) Frame 5 (b) Frame 7 (c) Frame 11 (d) End Fig.5 Distribution of when Fs =1.215 The comparison of the safety factors is shown in Table 3.

Comprehensive consideration of the various factors exist during processing process, derived out the more accurate experience formula of surface roughness on superalloy GH536 by EDG and obtained the higher significant level of regression equation by regression analysis.
The processing material is mainly made up of superalloy GH536 which has the ability of high temperature resistant and corrosion resistant, the properties of physical and mechanical is shown in table 1 [1].
GH536 Properties of physical and mechanical Physical property Density g/cm Melting point ℃ Thermal conductivity λ/(W/m℃) Specific heat capacity J/kg℃ Modulus of elasticity GPa Resistivity μΩm Coefficient of linear expansion a/℃ 8.28 1295~1381 13.38(100℃) 372.6 199 1.18 12.1(20~100℃) Mechanical properties Heat treatment σb MPa σs MPa δ % HBS Working temperature ºC Solution treatment 580~690 275~286 30 ≥241 800~1200 Processing principle EDG technology is applied into the procedure of fan-shaped electrode grinding honeycomb ring thin-walled parts.
Considering interaction among factors in actual processing and reduce work loads of test, orthogonal test table of two factors and three levels L9 (32) is adopted into test, the orthogonal test arrangement and test results is shown in table 3.
Considering the various factors during processing, derived out the more accurate experience formula of surface roughness on superalloy GH536 by EDG.