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Online since: October 2014
Authors: Qi Fen Li, Jing Jing Xu, Li Fei Song, Lin Hui Zhao, Jia Lin Zhao, Lei Zhang, Xin Zhao
The comprehensive resistance factor(r) is affected by the loss coefficient along the tracks(λ), and the loss coefficient along the tracks(λ) is affected by the Reynolds number(Re), the Reynolds number(Re) is affected by the kinematic viscosity(), and the kinematic viscosity() is affected by the temperature(T).
The coupling of hydraulic characteristics and thermal properties of the fluid can be got by modifying the physical parameters, and this article provided evidences for the further study.
The Todini formulation is based on two sets of equations solving for all unknown heads and flows simultaneously in a sequential iterative manner.In order to achieve the coupling of hydraulic characteristics and thermal properties of the fluid, this paper studied the hydraulic calculation principle and the Todini iterative algorithm, and analyzed the relationship between physical parameters and hydraulic calculation for each step.
• The comprehensive resistance factor(r) is affected by the loss coefficient along the tracks(λ), and the loss coefficient along the tracks(λ) is affected by the Reynolds number(Re), the Reynolds number(Re) is affected by the kinematic viscosity(), and the kinematic viscosity() is affected by the temperature(T)
• The coupling of hydraulic characteristics and thermal properties of the fluid can be got by modifying the physical parameters, and this article provided evidences for the further study.
Online since: November 2013
Authors: Densak Kaewkabpet, Anoma Thitithammawong, Azizon Kaesaman, Charoen Nakason
Effect of various ENR contents on mixing torque together with mechanical and dynamic properties of the ENR-30/COPE blends was investigated.
Influence of the ENR contents on mixing torque, mechanical and dynamic rheological properties of the ENR/COPE TPNRs was investigated.
Mechanical properties of the ENR/COPE simple blends with various contents of ENR.
These results of G' and tan d were in agreement with mechanical properties, as discussed previously.
Kim, The effect of peroxide crosslinking on thermal, mechanical, and rheological properties of polycaprolactone/epoxidized natural rubber blends, J.
Online since: December 2012
Authors: Jiu Xin Jiang, Yan Ping Wei, Ming Yan, Yan Lin Chen, Ying Chang, Zhuo Li
The effect of compositions on the combustion behavior and the product was studied and the results showed that the amount of Al in the starting powder was the key factor affecting the combustion behavior, the phase assemblages and the morphology of products.
Introduction Aluminium nitride (AlN) has recently become an attractive material due to its good properties, e.g., electrical resistivity, high thermal conductivity, thermal shock resistance and mechanical strength.[1,2] Its high thermal conductivity and high electrical resistivity are the dominating reasons for the use as packaging and substrate material in electrical devices and as insulators in high performance spark plugs.[3] Silicon carbide (SiC) has a coordinating thermal conductivity with AlN and is a more attractive material with regards to its mechanical properties.
References [1] Prochaska GW, Miller GR, Alminium nitride: a review of the knowledge base for physical property development.
[7] Li J, Watanabe R, Preparation and mechanical properties of SiC-AlN ceramic alloy.
[13] Zhang DL, Progressing of advanced materials using high-energy mechanical milling.
Online since: October 2015
Authors: Anton Panda, Marek Prislupčák
This makes the development of new materials with higher mechanical, physical and chemical properties.
Independent factors The independent factors include all input parameters required for the technology in itself, that is, those that affect the process of division.
Factors affecting the actual machining process material are shown in Table 1 and the factors affecting the flow of water itself in Fig.1 [1,8,9].
Cincio M., Comparison of mechanical properties of surface layers with use of nanoindentation and microindentation tests, Metalurgija 51/3 (2012) 309-312
Spišák, Assessment of properties thermal sprayed coatings realised using cermet blend powder, Metalurgija 53/4 (2014) 661-664
Online since: December 2012
Authors: Qing Chuan He, Rui Wu, Dan Wen Zhang, Juan Sun, Feng Zhang Ren
The mechanical characteristics and electric properties of Al2O3/Cu composites sheet and hot-extruded rod were examined.
Results and Discussion Factors for Internal Oxidation in Cu-Al Alloy Sheet.
Mechanical Characteristics and Electric Properties.
Hardness is regarded as one indicator for judging mechanical working properties and also as a physical parameter indicating the ability of resisting local plastic deformation.
(2) There are three factors affecting internal oxidation of Cu-Al alloy sheet: holding-time, internal oxidation temperature and thickness of the Cu-Al alloy sheet.
Online since: July 2008
Authors: Qing Fen Li, Hong Bin Chen
Effect of different controlled-rolling and controlled-cooling process on the steel microstructure and mechanical properties were investigated and the mechanism was discussed.
Introduction Steels with fine grain size have favorable mechanical properties such as strength, toughness and fatigue strength.
Effect of different controlled-rolling and controlled-cooling process on the steel microstructure and mechanical properties was experimentally studied and the mechanism was discussed.
Cooling rate is one of the most important factors affecting the initial γ→α phase transformation temperature.
The properties of steel were improved by DIT technique.
Online since: March 2021
Authors: Zakiah Ahmad, Muhammad Bazli Faliq Mohd Puaad, Nurul Faiizin Abdul Aziz, Adrina Rosseira Abu Talip, Mohd Hanafie Yasin
In order for these timbers to be used as structural and non-structural application, it is important to provide the information on the physical properties that affect the mechanical properties of timbers [1].
In structural and mechanical engineering perspective, the shear properties of a component is a crucial factor to look for in determining the dimensions and materials to be used in the manufacturing or even construction of the component.
Laminated Veneer Lumber Made From Tropical Forest Trees (Mechanical Properties).
Mechanical Properties Of Wood.
Structural timber-determination of characteristic values of mechanical properties and density.
Online since: January 2011
Authors: Jing Cui, Yong Ling Yu, Li Hua Lv, Chao Chen
The effects of hot-pressing temperature, hot-pressing pressure, and hot-pressing time on mechanical properties were studied through single factor analysis method at a certain thickness.
Silk/PE film with low melting point and good transparency, could guarantee the elegant appearance and good mechanical properties of silk fabric after compounding with PE.
If hot-pressing time was too short, the infiltration was incomplete, leading to imbalances in the local stress and then causing a decline of the whole mechanical properties.
If hot-pressing time was too long, the structures and properties of the silk fabrics could be destroyed under high temperature and high pressure, therefore the mechanical properties of decorative composites could presented downtrend.
Fig.4 Effect of time on the mechanical Fig.5 Effect of pressure on the mechanical properties of decorative composites properties of decorative composites Hot-pressing Pressure.
Online since: January 2021
Authors: A. Bernatskyi, Valery Kostin, V. Sydorets, Olena M. Berdnikova, Olha Kushnarova
., Kyiv, 03150, Ukraine E-mail: a avb77@ukr.net Keywords: laser welding, stainless steel, structure and mechanical properties.
This is one of the key factors affecting the development.
Such actions should cause differences in the weld metal structure, which in turn should lead to different values of mechanical properties of welded joints. 2.
The thermodynamic properties of each phase are described with a mathematical model.
Structure parameters and mechanical properties of welded joints.
Online since: November 2021
Authors: Daniela Godiņa, Janis Rizhikovs, Aigars Paze, Rudolfs Berzins, Raimonds Makars, Ramunas Tupciauskas
Evaluation of mechanical properties.
As seen in graphs, the pH value of an adhesive was a critical factor when it comes to the PB mechanical properties.
Overall, lower pH value resulted in better mechanical properties and water resistance.
With the addition of glycerol, the PB mechanical properties also decreased.
However, the mechanical properties for PBs obtained from pH 9 adhesive were not satisfactory.
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