Two dimensional numerical computation of a circulating fluidized bed biomass gasifier
Parametric analysis of a circulating fluidized bed biomass gasifier for hydrogen production
... study was validated against the experimental data of Keawpanha et al [29] using Japan cedar as a biomass The gasifier was operated at the temperature of 700 C, S/B of one and steam temperature of ... the bed material, which can be either sand or char; in addition, these apparatuses recirculate nearly all of the bed material and char with a cyclone separator A schematic...
A comprehensive two dimensional Computational Fluid Dynamics model for an updraft biomass gasifier
... turbulence model for packed bed gas phase and free board, a radiation model for solid phase, a bed shrinkage model, and interphase heat transfer model In this study, the ultimate mathematical model for ... shrinking biomass particle, Chem Eng Sci 59 (10) (May 2004) 1999e2012 [26] N Fernando, M Amin, M Narayana, T Jayawickrama, S Jayasena, A mathematical model for py...
Estimation of gas composition and char conversion in a fluidized bed biomass gasifier
... mass of carbon in a char particle, kg mass of carbon in the reactor, kg mass of char (carbon and fuel ash) in the reactor, kg critical value of mass of char in the reactor, kg mass of total inventory ... mass fraction of carbon in the char of the reactor, kg/kg mass fraction of carbon in the char after devolatilization, kg/kg mass fraction of carb...
Báo cáo toán học: "A two-dimensional pictorial presentation of Berele’s insertion algorithm for symplectic tableaux" doc
... Local Rules Picture of w Next we explain our pictorial approach, which is a two-dimensional presentation of Berele’s algorithm based on a modified set of local rules in the spirit of Fomin We draw ... (i − 1, j ), the same holds for the vertices (i, j ) 3.3 Structure of proof of Theorem 3.4 The rest of this section is devoted to the proof of Theorem 3.4 The proof pr...
Báo cáo y học: "Two-dimensional power Doppler-three-dimensional ultrasound imaging of a cesarean section dehiscence with utero-peritoneal fistula: a case report" pdf
... after dissection (arrow) As non-invasive alternative procedures, magnetic resonance imaging with heavily T2-weighted images may show a bright fluid-filled tract, and computed tomography can also ... Doppler hysterosonography have been used successfully in many cases to allow direct visualization of the uterine fistulae It has been demonstrated that the normal sonographic appearance o...
Spin density functionals of a two dimensional fermionic gas of dipolar atoms thomas fermi dirac treatment
... ground-state energies of a two- dimensional gas of neutral atoms with magnetic-dipole interaction, in the ThomasFermi -Dirac approximation For many atoms in a harmonic trap, we discuss the numerical ... spin- density functionals of a 2D fermionic gas of dipolar atoms under the scheme of TFD approximation For a system with many atoms, we give analytic...
TRANSPORT PROPERTIES OF a QUASI TWO DIMENSIONAL ELECTRON GAS IN a sisige HETEROSTRUCTURE TEMPERATURE AND MAGNETIC FIELD EFFECTS
... field leading to reduced screening in a spin-polarized electron gas We have also obtained similar results for RIS with zi = 490˚ A and Nid = 3.2 × 1013 cm−2 and IRS with Λ = 100˚ A, ˚ ∆ = 3. 5A IV ... values of zi and Nid = 3.2 × 1013 cm−2 and interface impurity scattering (IIS) with zi = and Ni0 = × 109 cm−2 The results shown in Fig indicate that the mobility incr...
Báo cáo hóa học: " Any two-dimensional Normed space is a generalized Day-James space" pot
... Cite this article as: Alonso: Any two-dimensional Normed space is a generalized Day-James space Journal of Inequalities and Applications 2011 2011:2 Submit your manuscript to a journal and benefit ... with the above norm is called an ℓψ-ℓ space The purpose of this paper is to show that any two-dimensional normed space is isometrically isomorphic to an ℓψ-ℓ ...
Báo cáo khoa học: "Two-dimensional gel electrophoresis of membrane proteins from ectomycorrhizal fungi" doc
... Comgels of membrane proteins to 2-D solubilized by other methods, protein gels solubilized by the latter method exhibited a larger number of polypeptides Similarly, gels of membrane proteins from ... that the membrane fraction was enriched in plasma membrane SDS-PAGE patterns of total proteins, proteins from the cytosolic fraction, and proteins solubilized from...
báo cáo khoa học: "Interest in quantitative genetics of Dutt’s and Deak’s methods for numerical computation of multivariate normal probability integrals" potx
... These integrals have integration limits (— 00, + 00) indepen, URLAND dent of the initial truncation points and therefore can be evaluated using precise numerical integration methods The integration ... variable index a index (j expansion = (i 1, index 1, = c with of convergent series involving a n) c = n (positive integer (n - 1)/2) from to + 00) varying independently for in...
A numerical study of a permeable capsule under stokes flows by the immersed interface method
... A NUMERICAL STUDY OF A PERMEABLE CAPSULE UNDER STOKES FLOWS BY THE IMMERSED INTERFACE METHOD PAHALA GEDARA JAYATHILAKE (B Sc., University of Moratuwa, Sri Lanka) A THESIS SUBMITTED FOR THE ... physical parameters, extend the IIM approach to study the adhesion and detachment of a permeable capsule adhered onto a rigid planar substrate in the...
Numerical analysis of a brushless permanent magnet DC motor using coupled systems
... to characterize the material Another type of material that is characterized by a broad hysteresis loop is called hard magnetic material 1.3.1 Hard magnetic materials (Permanent magnets) Permanent ... commutator motor: The construction of a permanent magnet DC motor( PMDC) is similar to a DC conventional motor with the electromagnetic excitation system replaced by per...
Numerical computation of the fluid flow and heat transfer between the annuli of concentric and eccentric horizontal cylinders
... Introduction 2) The numerical model is then extended for the study of the effects of rotation of the outer cylinder on the flow and the heat transfer in concentric and eccentric annuli Furthermore, ... effects of various system parameters such as the geometry of the annulus, the properties of the fluid and the rotation rate of the ou...
