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Mathematical modeling of temperature

Xem 1-10 trên 10 kết quả Mathematical modeling of temperature
  • This paper proposes a method to identify the optimal operating point fora photovoltaic power system. With theinformation on the power's solar irradiance, the temperature at P-N junction, and the generated power limit, an algorithm is proposed to calculate points on the voltage-power curve based on an utterly mathematical model of the generation, iterative,and bisectional techniques.

    pdf5p viyoko 01-10-2024 1 1   Download

  • This paper looks at the influence of SiO2-doped concentration, temperature and pressure on the microstructure of the Al2O3(SiO2)x (ASx) bulk model using the Molecular Dynamics (MD) method with a Born-Mayer pair interaction potential and periodic boundary conditions.

    pdf7p tamynhan5 10-12-2020 12 3   Download

  • This paper studies the influence of temperature 500 K, 1500 K, 2500 K, 3500 K and 4000 K on the microstructure and phase transition of a CaSiO3 bulk model using the Molecular Dynamics method with the Born-Mayer pair interaction potential and periodic boundary conditions.

    pdf10p tamynhan9 02-12-2020 14 2   Download

  • The equations of state (EOS) of asymmetric nuclear matter (ANM) in an extended Nambu-Jona-Lasinio (ENJL) model was investigated by means of examining effective potential in one-loop approximation. Our numerical results show that isospin dependence of saturation density in our model is reasonably strong and critical temperature for liquid-gas phase transition decreases with increasing neutron excess.

    pdf7p tamynhan8 04-11-2020 10 1   Download

  • This paper studies the structure of the Mullite system (3Al2O3.2SiO2) by Molecular Dynamics simulation (MDs) using the Born–Mayer–Huggins pair interaction and periodic boundary conditions. The simulation was performed with model of 5250 atoms at different pressure and at 3500 K temperature.

    pdf7p tamynhan6 14-09-2020 17 2   Download

  • An analytical and numerical solution is developed for a transient heat conduction equation in which a plane slab is heated by a bimodal distribution beam over the upper surface. In laser heat treatment of steel few methods are used to produce a wider and nearly uniform average irradiance profile.

    pdf8p tohitohi 19-05-2020 15 1   Download

  • Unstructured modelling growth of Lactobacillus acidophilus as a function of the temperature: We present modelling software developed under MATLAB in which parameter estimations are obtained by using non-linear regression techniques. The different parameters appear in a set of non-linear algebraic and differential equations representing the model of the process. From experimental data obtained in discontinuous cultures a representative mathematical model (unstructured kinetic model) of the macroscopic behaviour of Lactobacillus acidophilus has been developed.

    pdf9p nhoxtom 29-09-2015 58 5   Download

  • Using Guerra’s interpolation scheme, we compute the free energy of the Sherrington-Kirkpatrick model for spin glasses at any temperature, confirming a celebrated prediction of G. Parisi. 1. Introduction The Hamiltonian of the Sherrington-Kirkpatrick (SK) model for spin glasses [10] is given at inverse temperature β by (1.1) β HN (σ) = − √ N gij σi σj .

    pdf44p noel_noel 17-01-2013 38 6   Download

  • Within the framework of the Walecka model (QHD-I)[1] the renormalized effective Dirac equation and the kinetic equation for fermion are presented. In fact, the fermion propagator in the medium is dramatically different from that in the vacuum. The main feature is the treating of the fermion distribution in non equilibrium, which depends on the interaction rate involving temperature.

    pdf10p tuanlocmuido 19-12-2012 43 2   Download

  • A new procedure for calculation and analysis of XAFS (X-ray Absorption Fine Structure) cumulants of hcp crystals containing dopant atom has been derived based on quantum statistical theory with generalized anharmonic correlated Einstein model. Analytical expressions for effective local force constants, correlated Einstein frequency and temperature, first cumulant or net thermal expansion, second cumulant or Debye Waller factor and third cumulant of hcp crystals containing dopant atom have been derived.

    pdf7p tuanlocmuido 19-12-2012 37 3   Download

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