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| 1 | Characterization of the bubbling fluidization of nanoparticles显示文摘The dynamic features of an agglomerate bubbling fluidization of nanoparticles were investigated through the analysis of pressure fluctuations.Experiments were carried out in a lab-scale fluidized bed at ambient conditions using 10-15 nm silica nanoparticles without any surface modification.Pressure fluctuation signals were processed in both frequency and time-frequency domains to characterize the behavior of various scales of phenomena(i.e.,macro-,meso-,and micro-structures) during fluidization.Due to the aggregation of nanoparticles,three separate broad peaks were observed in the frequency spectra of the pressure signals measured in the bubbling fluidized bed of nanoparticles.A non-intrusive method based on the decoupling of pressure fluctuations recorded simultaneously in the plenum and in the bed was used to determine the approximate size of the bubbles in the bed. | Mohammad R.Tamadondar Reza Zarghami Maryam Tahmasebpoor Navid Mostoufi | 2014 | Particuology2014,12,5: | 6 |
| 2 | Insights in hydrodynamics of bubbling fluidized beds at elevated pressure by DEM-CFD approach显示文摘A numerical simulation was conducted to study the effect of pressure on bubble dynamics in a gas-solid fluidized bed.The gas flow was modeled using the continuum theory and the solid phase,by the dis-crete element method(DEM).To validate the simulation results,calculated local pressure fluctuations were compared with corresponding experimental data of 1-mm polyethylene particles.It was shown that the model successfully predicts the hydrodynamic features of the fluidized bed as observed in the experiments.Influence of pressure on bubble rise characteristics such as bubble rise path,bubble sta- bility,average bubbles diameter and bubble velocity through the bed was investigated.The simulation results are in conformity with current hydrodynamic theories and concepts for fluidized beds at high pressures.The results show further that elevated pressure reduces bubble growth,velocity and stability and enhances bubble gyration through the bed,leading to change in bed flow structure. | Zahra Mansourpour Sedighe Karimi Reza Zarghami Navid Mostoufi Rahmat Sotudeh-Gharebagh | 2010 | Particuology2010,8,5: | 5 |
| 3 | Dynamic characteristics of bubbling fluidization through recurrence rate analysis of pressure fluctuations显示文摘实验室规模的压力变化信号使流体化在不同表面的煤气的速度的床(15 厘米内部的直径和 2 m 高度) 被测量。复发阴谋(RP ) 和复发率(RR ) ,和复发 quantification 分析(RQA ) 的最简单的变量被用来分析压力信号。在 RP 观察的不同模式在学习下面反映系统的不同动态行为。RR (RR2 ) 的变化能揭示山峰,这也被发现不同动态系统的主导的频率(PDF ) :完全周期,完全随机, Lorenz 系统,和使流体化的床。结果与力量相比光谱密度。另外, RR2 的图从起泡到狂暴的使液化政体为转变速度的预言提供一种新技术。 | Hossein Sedighikamal Reza Zarghami | 2013 | Particuology2013,11,3: | 5 |
| 4 | Multi-scale analysis of flow structures in fluidized beds with immersed tubes显示文摘Multi-scale analysis and non-linear analysis were combined to investigate the hydrodynamics of fluidized beds with and without horizontal tubes.Pressure fluctuations were measured and analyzed employing discrete wavelet analysis,recurrence plot analysis,and recurrence quantification analysis.A systematic procedure was followed to determine wavelet parameters.At low gas velocities,the energy of macrostructures reduces with the addition of the first tube and then increases with the addition of a second tube.However,there is no notable difference at high gas velocities.Determinism is high for the bed without tubes,which can be attributed to the periodic behavior of bubbles.Determinism decreases with the addition of tubes because the breakage of bubbles results in less periodic behavior.The three methods of analysis used in this study captured the effects of immersed tubes on the hydrodynamics of fluidized beds.Recurrence quantitative analysis was found to be a powerful and easy-to-use method that can capture the nonlinear characteristics of fluidized beds much more quickly than conventional methods of nonlinear analysis.This method can thus be effectively used for the online monitoring of hydrodynamic changes in fluidized beds. | Hamid R.Norouzi Maryam Tahmasebpoor Reza Zarghami Navid Mostoufi | 2015 | Particuology2015,13,4: | 2 |
| 5 | Quantification of creatlne klnase BB isoenzymes in tumor cytosols and serum with an ultrasensitive-time resolved immunofluorometric technique 显示文摘 | Zarghami N He Y Diamands E P | 1995 | ClinBiochem1995,28,3: | 1 |
| 6 | Using S-statistic for investigating the effect of temperature on hydrodynamics of gas-solid fluidization显示文摘The influence of temperature on fluidization was investigated by a statistical chaotic attractor comparison test known as S-statistic.After calibration of the variables used in this method,the S-test was applied to the radioactive particle tracking(RPT) data obtained from a lab-scale fluidized bed.Experiments were performed with sand as fluidized particles and in temperatures from ambient up to 600 ℃ with superficial gas velocities of 0.29,0.38 and 0.52 m/s.Considering the behavior of bubbles and comparing with frequency domain analysis,it was concluded that S-statistic is a reliable method for characterization of fluidization process behavior at different temperatures. | Mohammad Reza Tamadondar Reza Zarghami Hedayat Azizpour Navid Mostoufi Jamal Chaouki Ramin Radmanesh | 2013 | Particuology2013,11,3: | 1 |
| 7 | Revising the OWA operator for multi criteria decision making problems under uncertainty 显示文摘 | Zarghami M Szidarovszky F | 2009 | European Juurnal of Operational Research2009,198,1: | 1 |
| 8 | Levels of Oxidative Stress Biomarkers in Seminal Plasma and Their Relationship with Seminal Parameters 显示文摘 | KHOSROWBEYGI A ZARGHAMI N | 2007 | BMC Clin Pathol2007,71,3: | 1 |
| 9 | Association between the transmembrane region polymorphism of MHC class ichain related gene- A and type Ⅰ diabetes mellitus in sweden显示文摘 | Gupta M Nikitina-Zake L Zarghami M | 2003 | Hum Immunol2003,64,: | 1 |
| 10 | Hydrodynamics in porous media: a finite volume lattice Boltzmann study 显示文摘 | ZARGHAMI A BISCAR1NI C SUCCI S | 2014 | Journal of Scientific Computing2014,59,1: | 1 |
| 11 | Association between the transmembrane region polymorphism of MHC class I chain related gene A and type 1 diabetes mellitus in Sweden显示文摘 | Gupta M Nikitina-Zake L Zarghami M | 2003 | Hum Immunol2003,64,5: | 1 |
| 12 | Nash Bargaining and Leader-follower Models in Water Alloca- tion: Application to the Zarrinehrud River Basin, Iran 显示文摘 | SAFARI N ZARGHAMI M SZIDAROVSZKY F | 2014 | Applied Mathematical Modelling2014,38,78: | 1 |
| 13 | Association between the transmembrane region polymorphism of MHC class Ⅰ chain related gene-A and type Ⅰ diabetes mellitus in Sweden显示文摘 | Nikitina-Zake L Zarghami M etal | 2003 | Hum Immunol2003,64,5: | 1 |
| 14 | Associations between single-nucleotide polymorphisms of the adiponectin gene,serum adiponectin levels and increased risk of type 2 diabetes mellitus in Iranian obese individuals显示文摘 | Mohammadzadeh G Zarghami N | 2009 | Scand J Clin Lab Invest2009,69,7: | 1 |
| 15 | Evaluation of antidepressant activities of rose oil and geranium oil in the forced swim test in mouse显示文摘 | FARZIN D ZARGHAMI M KHALAJ L | 2004 | Iranian Journal o f Pharmaceutical Research2004,,: | 1 |
| 16 | A novel approach to interareaoscillation damping by unified power Flowcontrollers utilizing ultracapacitors显示文摘 | Mahyar Zarghami Mariesa L Crow JagannathanSarangapani | 2010 | IEEETransactions on Power Systems2010,25,1: | 1 |
| 17 | On-admission level of serum D-dimer and the severity of community- acquired pneumonia显示文摘 | Mikaeilli H Zarghami NjYazdchi M | 2009 | Pak J Biol Sci2009,12,6: | 1 |
| 18 | Bio-psycho - socio- demographic and OhstetricPredictors of Postpartum Depression in Pregnancy: A prospective Cohort Study显示文摘 | Abdollahi F Rohani S Sazlina GS Zarghami M Azhar MZ Lye MS RezaieeAbhari F Majidi Z Mozafari S | 2014 | Iron J Psychiatry Behav Sci2014,8,2: | 1 |
| 19 | Inhibition of hTERT Gene expression by silibinin-loaded PLGA-PEG- Fe3 O4 in T47D breast cancer cell line 显示文摘 | Ebrahimnezhad Z Zarghami N Keyhani M | 2013 | Bioimpaces2013,3,2: | 1 |
| 20 | Associations between singlenucleotide polymorphisms of the adiponectin gene, serum adiponectin levels and increased risk of type 2 diabetes mellitus in Iranian obese individuals显示文摘 | Mohammadzadeh G Zarghami N | 2009 | Scand J Clin Lab Invest2009,69,7: | 1 |