Isothermal extrusion of ribs on plate

2020 ◽  
pp. 158-161
Author(s):  
A.A. Pasynkov
Keyword(s):  
Equilibrium Equation ◽  
Displacement Velocity ◽  
Material Damage ◽  
Isothermal Heating ◽  
Operating Modes ◽  
Calculation Results ◽  
Isothermal Extrusion ◽  
Discontinuous Displacement

Technological schemes and relationships are given for calculating of operating modes during isothermal heating of workpieces. The conditions of viscoplastic non-stationary deformation are accepted. The energy form equilibrium equation as applied to the discontinuous displacement velocity fi eld and material damage kinetics equations are used. The calculation results and product samples are presented.

Experimental and Theoretical Studies of Resistive Switching in Grain Boundaries of Polycrystalline Transition Metal Oxide Film

MRS Advances ◽  
2017 ◽  
Vol 2 (4) ◽  
pp. 229-234
Author(s):  
Takumi Moriyama ◽  
Sohta Hida ◽  
Takahiro Yamasaki ◽  
Takahisa Ohno ◽  
Satoru Kishida ◽  
...  
Keyword(s):  
Metal Oxide ◽  
Grain Boundaries ◽  
Resistive Switching ◽  
Random Access ◽  
Resistive Random Access Memory ◽  
First Principles Calculation ◽  
Operating Modes ◽  
Calculation Results ◽  
Grain Surface ◽  
Experimental And Theoretical Studies

ABSTRACTPractical use of Resistive Random Access Memory (ReRAM) depends on thorough understanding of the resistive switching (RS) mechanism in polycrystalline metal oxide films. Based on experimental and theoretical results of NiO based ReRAM, we have proposed a grain surface tiling model, in which grain surfaces (i.e. grain boundaries) are composed by insulating and conductive micro surface structures. This paper reports the adequacy of our model to the NiO based ReRAM and universality of surface electronic properties in metal oxides of NiO, CoO and MgO. Experimental results of RS operating modes suggest that the resistance changes in the grain boundaries, supporting our model. First-principles calculation results suggest that our model can be adopted to other metal oxide materials and the RS from a low resistance to a high resistance can be caused at 1000 K, which agrees with previous experimental reports.

scholarly journals Gas molding of structure parts at non-linear ductile deformation of anisotropic materials

2020 ◽  
Vol 0 (4) ◽  
pp. 18-21
Author(s):  
Vladimir Chudin ◽  
Sergey Larin
Keyword(s):  
Equilibrium Equation ◽  
Local Deformation ◽  
Gas Pressure ◽  
Ductile Deformation ◽  
Material Damage ◽  
Technological Parameters ◽  
Critical Deformation ◽  
Deformation Stability ◽  
Non Linear ◽  
Operation Duration

There are offered correlations for the computation of gas shaping technological parameters of structure elements. A state of material non-linear viscosity (creep) is accepted. The energetic equilibrium equation, equations of damage capacity and a criterion of local deformation stability are used. There is computed gas pressure, operation duration (time), material damage capacity, critical deformation at the formation of volume casing. Product samples are presented.

Reactor Model for Plasma Utilization of Dispersed Water-Organic Compositions Based on a Closed Nuclear Fuel Cycle Inflammable Wastes

2015 ◽  
Vol 1084 ◽  
pp. 322-326
Author(s):  
Alexander G. Karengin ◽  
Alexey A. Karengin ◽  
Ivan Yu. Novoselov ◽  
Nikolay V. Tundeshev
Keyword(s):  
Nuclear Fuel ◽  
Fuel Cycle ◽  
Plasma Reactor ◽  
Air Plasma ◽  
Reactor Model ◽  
Ansys Fluent ◽  
Program Complex ◽  
Operating Modes ◽  
Closed Nuclear Fuel Cycle ◽  
Calculation Results

The calculation results of the operating modes of a plasma reactor for utilizing model water-organic compositions based on a closed nuclear fuel cycle’s inflammable wastes in air plasma are shown. Program complex ANSYS Fluent 6.3 with broad data base of gaseous, liquid and solid materials for calculation of different physical and chemical processes was used.

Modeling and Simulation of the Crawler Passing Institutions of a New Type of Entertainment Machine with Mechanical Engineering Materials

2013 ◽  
Vol 648 ◽  
pp. 153-157
Author(s):  
Jin Ying Hao ◽  
Lin Wu
Keyword(s):  
Modeling And Simulation ◽  
Static Analysis ◽  
Mechanical Engineering ◽  
Stress Condition ◽  
Large Angle ◽  
Operating Modes ◽  
Calculation Results ◽  
New Type ◽  
Dangerous Place ◽  
Engineering Materials

The research is a passing mechanism of one new entertainment machine .It can deliver the ball to the destination by the chain wheel which can drive a track in a large angle of elevation .Through the UG6.0, one model basis on the mechanical engineering materials is accurate. It can pass the assembled passing crawlers and racks into ANSYS, at the same time it can also have a static analysis on the track firstly after the repair. Due to the mechanical engineering materials we have three operating modes that can find out the most dangerous place. With the support of the crawler calculation results, it can compute the stress condition of a rack in travel to demonstrate the feasibility of this passing scheme.

Tax maneuver in the oil industry: Provisional results and risks for further implementation

2020 ◽  
pp. 28-43
Author(s):  
A. S. Kaukin ◽  
E. М. Miller
Keyword(s):  
Oil Industry ◽  
Oil Products ◽  
Oil Refining ◽  
State Budget ◽  
Tax Rate ◽  
Oil Companies ◽  
Reform Plan ◽  
Alternative Variant ◽  
Calculation Results ◽  
The Cost

The paper analyzes the consequences of the abolition of the export duty on oil and oil products as a necessary step to stimulate energy efficiency of Russia’s economy and eliminate underdevelopment provoked by a long-term subsidizing of inefficient oil refining sector in Russia. The calculation results have shown that even taking into account several deviations from the planned scenarios of changing the parameters of tax regulation of the oil industry in 2014— 2019, the tax maneuver brought over 3.5 trillion rubles (in 2019 — 148 billion rubles) to the state budget in 2014—2017, mainly due to an increase in the base mineral extraction tax rate, and contributed to an increase in the depth of oil refining from 72% to 85%. In addition, the article analyzes possible risks associated with the current plan for reforming the taxation of the industry until 2024 and proposes an alternative that could level some of them. A comparative analysis of the effects of the tax maneuver under the current reform plan and the alternative variant suggests that the latter will allow to achieve a greater total budgetary effect in four years, reduce the cost of subsidizing domestic oil refining, increase the efficiency of Russian vertically integrated oil companies, and reduce the growth rate of oil products prices in the retail market.

Pengaruh konsep diri, self efficacy dan motivasi terhadap Learning outcome mata pelajaran Aqidah Akhlak di kelas XI MA Pacet Mojokerto

2017 ◽  
Vol 1 (1) ◽  
pp. 37
Author(s):  
Happy Ikmal
Keyword(s):  
Learning Outcomes ◽  
Significant Relationship ◽  
Self Efficacy ◽  
Teaching And Learning ◽  
Regression Coefficient ◽  
T Test ◽  
Self Concept ◽  
Working Hypothesis ◽  
Calculation Results ◽  
The Right

Teaching and learning activities is a conscious activity and aims. Therefore, for these activities can be run well and achieve the expected goals, it must be done with the strategy or the right learning approach .. The purpose of this study were: 1) to describe the influence of Self-Concept on the results of studying chemistry at Class XI MA Pacet Mojokerto. 2) Describe the effect of self-efficacy on Learning outcomes chemistry in Class XI MA Pacet Mojokerto 3) Describe the effect of motivation on Learning outcomes chemistry in Class XI MA Pacet Mojokerto 4) Describe the relationship Self-concept, self-efficacy and motivation to Results studied chemistry at Class XI MA Pacet Mojokerto. From the results of the analysis can be summarized as follows: 1) There is a significant relationship between self-concept of the Learning outcomes chemistry inquiry model. T test against self-concept variables (X1) obtained regression coefficient (B) 0.440 (44.0%), coefficient (Beta) 0.091, tcount of 0.378 with significance 0.006 t. Because of the significance of t less than 5% (0.007 <0.05), the Nil Hypothesis (H0) is rejected and working hypothesis (Hi) is received. 2) There is a significant relationship between self-efficacy toward chemistry Learning outcomes inquiry model. T test for Self-efficacy variable (X2) obtained regression coefficient (B) 0.329 (32.9%), coefficient (Beta) 0.124, tcount of 0.436 with a significance of 0.009 t. Because of the significance of t less than 5% (0.008 <0.05), the Nil Hypothesis (H0) is rejected and working hypothesis (Hi) is received. 3) There is a significant relationship between motivation to learn chemistry results inquiry model. T test for motivation variable (X3) obtained regression coefficient (B) 0.130 (13.0%), coefficient (Beta) 0.065, tcount of 0.230 with a significance of 0.001 t. Because of the significance of t less than 5% (0.001 <0.05), the Nil Hypothesis (H0) is rejected and working hypothesis (Hi) received 4) From the calculation results obtained Fhitung value 2,249 (significance F = 0.001). So Fhitung> F table (2,249> 2:03) or Sig F <5% (0.001 <0.05). It means that together independent variables consisting of variable self-concept (X1), Self-efficacy (X2), motivation (X3) simultaneously to variable results of studying chemistry (Y).

Penentuan Metode Intensitas Hujan Berdasarkan Karakteristik Hujan dari Stasiun Pengamat Hujan Disekitar Kecamatan Karawang Timur

2019 ◽  
Vol 5 (1) ◽  
Author(s):  
Melisa Permatasari ◽  
M. Candra Nugraha ◽  
Etih Hartati
Keyword(s):  
Drainage System ◽  
Daily Rainfall ◽  
Intensity Analysis ◽  
Rain Intensity ◽  
Rainy Period ◽  
Discharge Plan ◽  
Calculation Results ◽  
Value Determination ◽  
Maximum Daily Rainfall ◽  
Method Approach

<p>The rain intensity is the high rainfall in unit of time. The length of rain will be reversed by the amount rain intensity. The shorter time the rain lasts, the greater of the intensity and re-period of its rain. The value of rain intensity is required to calculate the flood discharge plan on the drainage system planning area in East Karawang district. Determining the value rain intensity is required the maximum daily rainfall data obtained from the main observer stations in the Plawad station planning area. The method of determination rain intensity analysis can be done with three methods: Van Breen, Bell Tanimoto and Hasper der Weduwen. Selected method is based on the smallest deviation value. Determination deviation value is determined by comparing rain intensity value of Van Breen method, Bell Tanimoto, Hasper der Weduwen. By comparing rain intensity value of the Van Breen method, Bell Tanimoto, Hasper der Weduwen with the results of calculating three methods through the method approach Talbot, Sherman and Ishiguro. Calculation results show that the method of rain has smallest deviation standard is method Van Breen with Talbot approach for rainy period (PUH) 2, 5, 10, 25, 50 and 100 years.</p>

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