نتایج جستجو برای: mathematical modeling and simulation

تعداد نتایج: 16969714  

Journal: :Journal of Food Engineering 2022

Desolventizing is a key process in the vegetable oil industry, aimed at removing residual hexane from solid meals resulting extraction stage of crushed oilseeds. takes place industrially large and complex piece equipment called Desolventizer-Toaster, which uses amounts energy form direct indirect steam to strip solvent adsorbed on matrix absorbed into oil. Due significant effect this operation ...

Journal: :Brazilian Journal of Chemical Engineering 2005

In this paper application of a simulation algorithm for dynamic and nonlinear analysis of a specific liquid propellant engine is presented. The mathematical model of the engine includes a set of nonlinear algebraic equations which is coupled with a set of time varying differential equations. In contrast to the existing liquid propellant simulation algorithms, the presented work does not depend ...

Journal: :journal of computational & applied research in mechanical engineering (jcarme) 2012
chandan kumar vikas rastogi rastogi

this work deals with effects of asymmetric stiffness on the dynamic behaviour of the rotor system. the analysis is presented through an extended lagrangian hamiltonian mechanics on the asymmetric rotor system, where symmetries are broken in terms of the rotor stiffness. the complete dynamics of asymmetries of rotor system is investigated with a case study. in this work, a mathematical model is ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده ریاضی 1390

abstract: in the paper of black and scholes (1973) a closed form solution for the price of a european option is derived . as extension to the black and scholes model with constant volatility, option pricing model with time varying volatility have been suggested within the frame work of generalized autoregressive conditional heteroskedasticity (garch) . these processes can explain a number of em...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده فنی مهندسی 1389

the poor orientation of the restaurants toward the information technology has yet many unsolved issues in regards to the customers. one of these problems which lead the appeal list of later, and have a negative impact on the prestige of the restaurant is the case when the later does not respond on time to the customers’ needs, and which causes their dissatisfaction. this issue is really sensiti...

Journal: :International Journal of Current Science Research and Review 2022

Objectives General Objectives. To formulate and analyse malaria with vaccination. Specific Formulation of model Estimation parameters Numerical solution clarify the importance vaccination through discussion. Methodology: We build a flowchart diagram. simulate data which helps to find parameter values that makes fit in order verify validity or adequacy model. use least squares method estimate in...

Journal: :journal of mining and environment 2012
akbar farzanegan bahareh arabzadeh vahid hasanzadeh

discrete element method (dem) is extensively used for mathematical modeling and simulating the behavior of discrete discs and discrete spheres in two and three dimensional space, respectively. prediction of particles flow regime, power draw and kinetic energy for a laboratory or an industrial mill is possible by dem simulation. in this article, a new approach was used to assess the main paramet...

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