Transient thermal behavior of a homogeneous composite micro domain the hyperbolic heat conduction model

... resistance of the solid domain decreases or the thermal resistance of the fluid increases The effect of total thermal capacity ratio C R on the transient behavior of the fluid and solid temperatures ... International Conference on Thermal Engineering Theory and Applications, Beirut, Lebanon, May 31-June 4, 2004 A F Khadrawi M S Tahatand M A. Al-Nimr "Validation of the Thermal Equilibrium Assumption ... neglecting the conduction in the fluid domain It is found that the volumetric Biot number, thermal conductivity ratio, phase lag in heat flux, Knudsen number and total thermal capacity ratio have the...

Báo cáo hóa học: " Research Article Analysis of Transient and Steady-State Behavior of a Multichannel Filtered-x Partial-Error Afﬁne Projection Algorithm" docx

... (33) and in (34) provide accurate estimates of the steady-state MSE and of the steady-state A Carini and G L Sicuranza Table 3: First eight coeﬃcients of the MMS solution (wo ) and of the asymptotic ... solution of the FX-PE-AP algorithm and compares it with that of FX-AP algorithms and with the minimum-mean-square solution of the ANC problem Section presents the analysis of the transient and steady-state ... [4] and study the transient and steady-state behavior of a ﬁltered-x partial error a ne projection (FX-PE-AP) algorithm The paper shows that the FX-PE-AP algorithm in presence of stationary input...

Thermal evaluation of a sun tracking solar cooker

... double-glazed solar cooker, Kumar [7] One of the earliest mathematical models to test the thermal performance of a Solar Cooker was presented by Garg et al [8] and Vaishya et al [9] Also, Jubran and Alsaad ... concentrating/oven type solar cooker, and the parameters that characterize the performance of the solar cooker Evaluation of solar cooker thermal performance using different insulating materials was conducted ... show the solar cooker installed on a horizontal sun tracking system It shows the base, motor and bearing and sun cooker Figure The tracking system of the solar cooker The important parts of a hot...

measurement of in plane thermal conductivity of ultrathin films using micro raman spectroscopy

... Group, LLC ISSN: 1556-7265 print / 1556-7273 online DOI: 10.1080/15567265.2014.892553 MEASUREMENT OF IN- PLANE THERMAL CONDUCTIVITY OF ULTRATHIN FILMS USING MICRO- RAMAN SPECTROSCOPY Downloaded by ... neglected in the cross -plane direction, the in- plane dimension should be much larger than the cross -plane dimension of the ﬁlm In terms of measuring in- plane thermal conductivity of thin ﬁlms, the micro- Raman ... scattering Therefore, surface scattering may have an equal or even larger role than grain boundary scattering in reducing the in- plane thermal conductivity of Bi ﬁlms In- plane Thermal Conductivity...

báo cáo hóa học:" The influence of a weight-bearing platform on the mechanical behavior of two Ilizarov ring fixators: tensioned wires vs. half-pins" pdf

... The influence of a weight-bearing platform on the mechanical behavior of two Ilizarov ring fixators: tensioned wires vs halfpins Jan Gessmanna*, Mustafa Citaka, Birger Jettkantb, Thomas A Schildhauera, ... unknown The aim of this study was to analyze the mechanical effects of a weight-bearing platform on the traditional all-wire, four -ring frame in comparison to a two- ring frame consisting of half-pins ... Conclusions: A weight-bearing platform has substantial influence on the biomechanical performance of an Ilizarov external fixator Half-pins induce greater stiffness to the Ilizarov external fixator and...

Báo cáo toán học: " Influence of different flow conditions on the occurrence and behavior of potentially hazardous organic xenobiotics in the influent and effluent of a municipal sewage treatment plant in Germany: an effect-directed approach" pot

... of fraction with the concentration levels of the pharmaceuticals diclofenac and carbamazepine In contrast, the toxicity of fractions 1, 3, and was probably caused by organic contaminants in additional ... solutions of the analytes and the internal standards were prepared both in methanol and hexane and stored at 7°C The working standard solutions were prepared by further diluting the stock standard ... For the quantitation of the analytes, a 5-point (PAHs) and a 7-point (pharmaceuticals) internal standard calibration was used The limit of detection and the LOQ were calculated on the basis of...

Báo cáo hóa học: " Improvement on thermal performance of a diskshaped miniature heat pipe with nanofluid" docx

... Investigation on convective heat transfer and flow features of nanofluids J Heat Tran 2003, 125:151-155 Wei WC, Tsai SH, Yang SY, Kang SW: Effect of nanofluid on heat pipe thermal performance In ... thermal resistance at each heat load could be calculated by the same process The thermal resistances were averaged for all heat loads to be an averaged thermal resistance (Rav) at each charge volume ... a greater viscosity of the nanofluid The measured values of the thermal conductivity of nanofluids and DI water are also listed in Table The thermal conductivity of nanofluid with gold nanoparticles...

Báo cáo hóa học: " Dynamic behavior of a nonlinear rational difference equation and generalization" ppt

... doi:10.1016/j.aml.2005.10.014 doi:10.1186/1687-1847-2011-36 Cite this article as: Shi et al.: Dynamic behavior of a nonlinear rational difference equation and generalization Advances in Difference Equations ... stability and oscillation of a family of difference equations J Math Anal Appl 294, 614–620 (2004) doi:10.1016/j.jmaa.2004.02.039 Sun, T., Xi, H.: Global attractivity for a family of nonlinear ... various equation listed above suggests that the same potentially holds for similar rational equations We can deduce the following natural generalization of (1.1) and (1.4) Corollary Let s Î N+ and...

Báo cáo hóa học: " Qualitative behavior of a rational difference equation y = py++y yy" pdf

... numerical simulations to support our theoretical analysis For example, we consider the equation: yn+1 = yn + yn−1 1.1 + yn yn−1 (13) yn+1 = yn + yn−1 1.5 + yn yn−1 (14) yn+1 = yn + yn−1 + yn yn−1 ... is globally asymptotically stable if x is ¯ ¯ locally stable and x is also a global attractor of Equation ¯ (5) The equilibrium point x of Equation is unstable if x is not locally stable ¯ ¯ Definition ... equilibrium point x = of ¯ Equation 15 is locally asymptotically stable with initial data x0 = 1, x1 = 1.2 Authors’ contributions Xiao Qian carried out the theoretical proof and drafted the manuscript...

Báo cáo hóa học: " Research Article Asymptotic Behavior of a Periodic Diffusion System" pot

... 1983 24 O Ladyzenskaja, V Solonnikov, and N Uraltseva, “Linear and quasilinear equations of parabolic type,” in Translations of Mathematical Monographs, vol 23, American Mathematical Society, ... “Global existence and blow-up for a nonlinear reaction-diﬀusion system,” Journal of Mathematical Analysis and Applications, vol 212, no 2, pp 481–492, 1997 Journal of Inequalities and Applications ... Asymptotic behavior of solutions of a periodic diﬀusion equation,” Journal of Inequalities and Applications, vol 2010, Article ID 597569, 12 pages, 2010 13 R Huang, Y Wang, and Y Y Ke, “Existence of...

báo cáo hóa học:" Influence of different flow conditions on the occurrence and behavior of potentially hazardous organic xenobiotics in the influent and effluent of a municipal sewage " pdf

... of fraction with the concentration levels of the pharmaceuticals diclofenac and carbamazepine In contrast, the toxicity of fractions 1, 3, and was probably caused by organic contaminants in additional ... For the quantitation of the analytes, a 5-point (PAHs) and a 7-point (pharmaceuticals) internal standard calibration was used The limit of detection and the LOQ were calculated on the basis of ... directly as a function of flow conditions [6,7] Because alterations in flow conditions affect the chemical composition of wastewater in the influent and effluent of the STP in a number of ways, a significant...

Báo cáo hóa học: " Silver Nanoparticles and Graphitic Carbon Through Thermal Decomposition of a Silver/Acetylenedicarboxylic Salt" ppt

... graphitization based on the thermal decomposition of the silver acetylenedicarboxylate salt, which leads to the reduction of silver cations to metallic nanoparticles and the simultaneous formation of a carbon ... [27] and it is quite close to the characteristic interplanar spacing ˚ of graphite (d spacing at 3.35 A) [28] Likewise Ag/pyr, the small carbon fraction and large scattering factor of silver are ... appearance of turbostratic graphitic layers at the Ag/pyr sample and a minor fraction of quasicrystalline cubic silver phase in the Ag/sol (Figs 4, 5) Quasicrystals emerged in the ﬁeld of materials...

Báo cáo hóa học: "ASYMPTOTIC BEHAVIOR OF A COMPETITIVE SYSTEM OF LINEAR FRACTIONAL DIFFERENCE EQUATIONS" docx

... Nurkanovi´ , Asymptotic behavior of a two dimensional linear fractional c c system of diﬀerence equations, Radovi Matematiˇ ki 11 (2002), no 1, 59–78 c , Asymptotic behavior of a system of linear ... fact we believe that in the case of a saddle point the local behavior implies the global behavior for competitive linear fractional systems As a biological model, system (1.1) may represent the ... E is an attractor and ᏷ is a subset of the basin of attraction of E If F is diﬀerentiable at a ﬁxed point E, and if the Jacobian JF (E) has one eigenvalue with modulus less than one and a second...

Báo cáo hóa học: "GLOBAL BEHAVIOR OF A HIGHER-ORDER RATIONAL DIFFERENCE EQUATION" doc

... 4707–4717 [10] G Papaschinopoulos and C J Schinas, Global asymptotic stability and oscillation of a family of diﬀerence equations, Journal of Mathematical Analysis and Applications 294 (2004), ... for a fourth-order rational diﬀerence equation, Journal of Mathematical Analysis and Applications 312 (2005), no 2, 555–563 , Qualitative properties for a fourth-order rational diﬀerence equation, ... an+4 = an+3 an+2 an = an+2 an+1 an 1 an+2 an = an+1 an an 1 = an an 1 an 3 an an 1 (2.6) = an 3 If (i0 ,i1 ) = (1,2), then in a similar fashion, it is true that an+4 = an 3 for any n (2) If (i0...

báo cáo khoa học: " Radiological and pathological findings of a metastatic composite paraganglioma with neuroblastoma in a man: a case report" pptx

... Cite this article as: Fritzsche et al.: Radiological and pathological findings of a metastatic composite paraganglioma with neuroblastoma in a man: a case report Journal of Medical Case Reports ... contributions TF and SK analyzed the clinical and radiological data FRF and PKB analyzed and interpreted the pathological data TF and FRF wrote the main parts of the manuscript All authors read and approved ... and encapsulated and displayed red, brown and black hemorrhagic and cystic areas consistent with the appearance of paragangliomas Meanwhile the caudal part, corresponding to the neuroblastoma, ...

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