]>
2014
8
1
96
Fuzzy Anp Approach for New Application Greenhouse Location Selection a Case in Iran
Fuzzy Anp Approach for New Application Greenhouse Location Selection a Case in Iran
en
en
Selection of the most appropriate location for investor is an important problem which requires assessment and analysis of several factors. The greenhouse locating has become one of the most important problems for investors; it is a complicated problem and a decision under a variety of factors. The selection of a location among alternative locations is a multi-criteria decision-making problem including both quantitative and qualitative criteria. In this paper, we describe the research and development of hybrid FMCDM methods for greenhouse locating in Iran. Analytic network process gave us a flexibly structure for greenhouse locating, this structure found the relative weights of criteria and ranked the alternatives too.
1
20
Nahid
Rezaeiniya
Abdolhamid Safaei
Ghadikolaei
Javad
Mehri-tekmeh
Hamidreza
Rezaeiniya
Analytic network process (ANP)
Fuzzy logic
Locating
Greenhouse.
Article.1.pdf
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]
Solidification of Nano-enhanced Phase Change Material (nepcm) in an Enclosure
Solidification of Nano-enhanced Phase Change Material (nepcm) in an Enclosure
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en
The effects of nanoparticle dispersion \((\phi= 0, 0.025, 0.05)\) on solidification of different type of
mixture of nanofluids namely, Cu-water, \(TiO_2\)-Water and \(Al_2O_3\)-Water nanofluid inside a vertical
enclosure are investigated numerically for different Grashof number \(( Gr=10^4 ,10^5 ,10^6 )\). An enthalpy
porosity technique is used to trace the solid and liquid interface. Comparisons with previously published
works show the accuracy of the obtained results. A maximum of 16% decrease in solidification time for
\(Gr=10^6\) in comparison with \(Gr=10^5\) was found with the Cu nanoparticles and 0.2% volume fraction. It
was observed that dispersion of nanoparticles can be used to control the solidification time based on
enhancing conduction heat transfer mechanism of solidification.
21
27
M.
Hosseini
M.
Shirvani
A.
Azarmanesh
Nanoparticle
Nanofluid
Solidification
Phase change material.
Article.2.pdf
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]
Simulation Method for Solving Stochastic Differential Equations with Constant Diffusion Coefficients
Simulation Method for Solving Stochastic Differential Equations with Constant Diffusion Coefficients
en
en
In the present paper a simulation method is presented for solving stochastic differential equations (SDEs). It was based on probability and statistics theory, so called random sampling or statistical test method. At the present paper, SDEs with initial conditions are considered. Some Numerical examples also are presented to confirm the efficiency.
28
32
Behrouz Fathi
Vajargah
Rahim
Asghari
Stochastic differential equations
Simulation methods
Rejection method.
Article.3.pdf
[
[1]
P. E. Kloeden, E. Platen, Numerical Solution of Stochastic Differential Equations, Springer , (1995)
##[2]
K. Burrage, P. M. Burrage, T. Tian, Numerical methods for strong solutions of stochastic differential equations: an overview, Proc. R. Soc. , Lond (2004)
##[3]
Chien-Cheng Chang, Numerical Solution of Stochastic Differential Equations with constant diffusion coeffcient , mathematics of computation, 49 (1987), 523-542
##[4]
W. Zhong, Z. Tian, Solving Initial Value Problem of Ordinary Differential Equations by Monte Carlo Method, Northwest Inst. of Nucl. Technol, 2577 - 2579 (2011), 26-28
##[5]
A. BESKOS, G. O. ROBERTS, EXACT SIMULATION OF DIFFUSIONS, The Annals of Applied Probability, 15 (2005), 2422-2444
##[6]
B. K. Oksendal, Stochastic Differential Equations: An Introduction with Applications, Springer, Berlin (1998)
##[7]
S. Y. Xu, The Application of Monte Carlo Method in Nuclear Physics Experiment , (Revised Edition) (in Chinese), Beijng: Atomic Energy Press (2006)
]
Infinitely Many Solutions for a Fourth-order Kirchhoff Type Elliptic Problem
Infinitely Many Solutions for a Fourth-order Kirchhoff Type Elliptic Problem
en
en
This paper studies the existence of infinitely many solutions for a fourth-order Kirchhoff type elliptic problem\[
\begin{cases}
\Delta\left(|\Delta u |^{p-2}\Delta u\right)-\left[M\left[\int_\Omega |\nabla u |^p dx\right]\right]^{p-1} \Delta_pu+\rho| u|^{p-2}u=\lambda f(x,u),\,\,\,\,\, \texttt{in} \Omega,\\
u=\Delta u=0,\,\,\,\,\, \texttt{on} \partial \Omega.
\end{cases}
\]
Our technical approach is based on Ricceri's principle variational.
33
51
M.
Massar
E. M.
Hssini
N.
Tsouli
M.
Talbi
Navier boundary
nonlocal
Ricceri's variational principle.
Article.4.pdf
[
[1]
G. A. Afrouzi, S. Heidarkhani, D. ORegan , Existence of three solutions for doubly eigenvalue fourth-order boundary value problem, Taiwanese J. Math. , 15 (2011), 201-210
##[2]
G. A. Afrouzi, S. Shamilo, M. Mahdavi, Three solution for a class of quasilinear Dirichlet elliptic systems involving (p,q)-Laplcian operator, The Journal of mathematics and computer Science, 4 (2012), 487-493
##[3]
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##[4]
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##[5]
G. Bonanno, B. Di Bella, A fourth-order boundary value for a sturm-Liouville type equation, Appl. Math. Comput , 217 (2010), 3635-3640
##[6]
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G. Bonanno, G. Molica Bisci, Infinitely many solutions for a boundary value problem with discontinuous nonlinearities, Bound. Value Probl, (2009), 1-20
##[8]
P. Candito, L. Li, R. Livrea , Infinitely many solution for a perturbed nonlinear Navier boundary value problem involving the p-biharmonic, Nonlinear Analysis, 75 (2012), 6360-6369
##[9]
P. Candito, R. Livrea , Infintely many solution for a nonlinear Navier boundary value problem involving p-biharmonic, Studia Univ.Babes-Bolyai, Mathematica, 4 (2010)
##[10]
B. Cheng, X. Wu, J. Liu, Multiplicity of Solutions for Nonlocal Elliptic System of (p,q)-Kirchhoff Type, Abstract and Applied Analysis, Article ID 526026, doi:10.1155/2011/526026. , 2011 (2011), 1-13
##[11]
A. Hamydy, M. Massar, N. Tsouli, Existence of solutions for p-Kirchhoff type problems with critical exponent, Electron. J. Diff. Equ., 2011 (2011), 1-8
##[12]
S. Heidarkhani, G. A. Afrouzi, Multiplicity results for a Kirchhoff type doubly eigenvalue boundary value problem , The Journal of mathematics and computer Science, 3(1) (2011), 11-20
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##[14]
E. M. Hssini, M. Massar, M. Talbi, N. Tsouli, Infinitely Many Solutions for Nonlocal Elliptic p-Kirchhoff Type Equation under Neumann Boundary Condition, Int. Journal of Math. Analysis, 7 (2013), 1011-1022
##[15]
G. Kirchhoff, Mechanik, Teubner, leipzig, , Germany (1883)
##[16]
M. Massar, Existence and multiplicity solutions for nonlocal elliptic problems, Electron. J. Diff. Equ., 2013 (2013), 1-14
##[17]
M. Massar, El. Hssini, N. Tsouli, Infinitely many solutions for class of Navier boundary (p,q)-biharmonic systems, Electron. J. Diff. Equ., 2012 (2012), 1-9
##[18]
M. K. Moghadam, G.A. Afrouzi, J. Vahidi, A minimax inequality for a class of functional and its applications to existence of multiple solutions for elliptic equation, The Journal of mathematics and computer Science, 4 (2012), 350-360
##[19]
B. Ricceri, A general variational principle and some of its applications , J. Comput. Appl. Math. , 133 (2000), 401-410
##[20]
Y. Shen, J. Zhang , Multiplicity of positive solutions for a Navier boundary-value problem involving the p-biharmonic with critical exponent, Electronic J. of Differential Equations, 47 (2011), 1-14
##[21]
F. Wang, Y. An, Existence and multiplicity of solutions for a fourth-order elliptic equation, Boundary Value Problems , 2012 (2012), 1-6
]
A Fast Maximum Power Point Tracking for Mismatching Compensation for Pv Systems Under Normal and Partially Shaded Conditions
A Fast Maximum Power Point Tracking for Mismatching Compensation for Pv Systems Under Normal and Partially Shaded Conditions
en
en
To increase the efficiency of photovoltaic (PV) systems, maximum power point tracking of the solar arrays is needed. Output power of solar arrays depends on the solar irradiance, temperature and load. Irradiance changing effects on current is more than voltage and with irradiance increasing, current increases more than voltage and finally power increases. But effect of temperature changing is more on voltage and with temperature increasing, voltage decreases and in result the power decreases. If solar array be under shade conditions, it’s P-I characteristic has multiple peaks and finding of real maximum power point is a problem. This paper presents a fast maximum power point tracking with improved Particle Swarm Optimizationfor PV systems under normal and partially shaded conditions. Simulation results confirm that proposed MPPT algorithm and kinds of it with high accuracy can track the peak power point under different irradiation, temperature and partially shaded conditions and they have results near to real value.
52
74
Mohammad
Sarvi
Mandana Hojati
Tabatabaee
Iman
Soltani
Maximum power point tracking
Photovoltaic system
Partial shading
Particle swarm optimization
DC/DC converter.
Article.5.pdf
[
[1]
A. Kar, A. Kar, A New Maximum Power Point Tracking Algorithm for PV Modules under Partial Shading Rapidly Varying Illumination, Annual IEEE India Conference, Gujarat, India (2009)
##[2]
M. A. S. Masoum, H. Dehboneei, E. F. Fuchs, Theoretical and experimental analysis of photovoltaic systems with voltage and current-based maximum power point tracking, IEEE Trans. on Energy Conversion, 17 (2002), 514-522
##[3]
M. Sarvi, M. A. S. Masoum, Impact of Temperature and Irradiation Variation on Fuzzy MPP Tracking of Solar Panels, Proceedings of the 17th International Power System Conference, Iran, (2002), 35-45
##[4]
L. Qiuhua, Zh. Lin, L. Qiang, Simulative Research of MPPT for Photovoltaic Power System, Electric Power Automation Equipment, 28 (2007), 21-25
##[5]
T. Noguchi, S. Togashi, R. Nakamoto, Short-Current Pulse-Based Maximum-Power-Point Tracking Method for Multiple Photovoltaic and Converter Module System, IEEE Trans. on Industrial Electronics, 49 (2002), 217-223
##[6]
N. Femia, G. Petrone, G. Spagnuolo, M. Vitelli , Optimization of perturb and observe maximum power point tracking method, Power Electron IEEE Trans, 20 (2005), 963-73
##[7]
C-H. Lin, C-H. Huang, Y-C. Du, J-L. Chen , Maximum photovoltaic power tracking for the PV array using the fractional-order incremental conductance method, Appl Energy, 88 (2011), 4840-7
##[8]
T. Esram, JW. Kimball, PT. Krein, PL. Chapman, P. Midya , Dynamic maximum power point tracking of photovoltaic arrays using ripple correlation control, Power Electron IEEE Trans, 21 (2006), 1282-91
##[9]
T. Noguchi, S. Togashi, R. Nakamoto , Short-current pulse-based maximum- power-point tracking method for multiple photovoltaic-and-converter module system, Indust Electron IEEE Trans, 49 (2002), 217-23
##[10]
N. Fermia, D. Granozio, G. Petrone, M. Vitelli , Predictive and adaptive MPPT perturb and observe method, Aerosp Electron Syst IEEE Trans , 43 (2007), 934-50
##[11]
, , , (), -
##[12]
M. A. S. Masoum, M. Sarvi , Voltage and Current Based MPPT of Solar Arrays under Variable Irradiation and Temperature Conditions, Proceedings of International UPEC, Italy, Padova. (2008)
##[13]
A. Safari, S. Mekhilef , Simulation and hardware implementation of incremental conductance MPPT with direct control method using Cuk converter, Indust Electron IEEE Trans , 58 (2011), 1154-61
##[14]
C. Dorofte, U. Borup, F. A. Blaabjerg , combined two-method MPPT control scheme for grid-connected photovoltaic systems, In: Power electronics and applications, European conference on, (2005), 1-1
##[15]
AK. Rai, ND. Kaushika, B. Singh, N. Agarwal , Simulation model of ANN based maximum power point tracking controller for solar PV system, Sol Energy Mater Sol Cell , 95 (2011), 773-8
##[16]
K. Kobayashi, I. Takano, Y.Sawada , A study of a two stage maximum power point tracking control of a photovoltaic system under partially shaded insolation conditions, Sol Energy Mater Sol Cell , 90 (2006), 2975-88
##[17]
E. Karatepe, T. Hiyama, M. Boztepe, M. Çolak , Voltage based power compensationsystem for photovoltaic generation system under partially shaded insolationconditions, Energy Convers Manage , 49 (2008), 2307-16
##[18]
M. Miyatake, T. Inada, I. Hiratsuka, Z. Hongyan, H. Otsuka, M. Nakano , Control characteristics of a fibonacci-search-based maximum power point tracker when a photovoltaic array is partially shaded, In: 4th International on power electronics and motion control conference, 2 (2004), 816-21
##[19]
H. Patel, V. Agarwal , Maximum power point tracking scheme for PV systems operating under partially shaded conditions, Indust Electron IEEE Trans , 55 (2008), 1689-98
##[20]
N. Tat Luat, L. Kay-Soon , A global maximum power point tracking scheme employing DIRECT search algorithm for photovoltaic systems, Indust Electron IEEE Trans , 57 (2010), 3456-67
##[21]
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en
en
In this paper, based on an amalgamated duplication of a ring along an ideal, we will construct the amalgamated duplication of an unitary normed algebra \(X\) along its proper ideal I (i.e. \(X \bowtie I\)). Then we will discus about its Banach conditions and abstract properties. Mainly we have proven that if \(X\) ba a Banach algebra and \(I\) be its closed ideal then \(X \bowtie I\) will be Banach algebra too. As well, we have shown that its completion and ideals based on original normed algebra \(X\). Finally some more aspects to expend these results for generalized normed algebras are given.
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80
Sara
Dadras
Mahsa
Jafarian
Amalgamated duplication
Unitary normed Algebra
Banach Algebra
*-algebra.
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Binomial Transforms of the K-lucas Sequences and its Properties
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In this paper, we employ several class of transforms like binomial, k- binomial and rising transforms to the k- Lucas sequence. Moreover, we investigate some interesting properties between the so-obtained new sequences and the k-Lucas sequence.
81
92
Pooja
Bhadouria
Deepika
Jhala
Bijendra
Singh
k-Fibonacci sequence
k-Lucas sequence
binomial
k-binomial
and rising transforms.
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Convergence of Common Fixed Point Theorems in Fuzzy Metric Spaces
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Fixed point theorems in a fuzzy metric space are proved by considering a contractive condition
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93
97
V. Singh
Chouhan
A.
Ganguly
Fixed point
quasi-contraction
fuzzy metric space
Cauchy sequence.
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