Modeling and simulation of a downdraft biomass gasifier 1. Model development and validation
Performance Studies on a Downdraft Biomass Gasifier with Blends of Coconut Shell and Rubber Seed Shell as Feedstock
... Performance Studies on a Downdraft Biomass Gasifier with Blends of Coconut Shell and Rubber Seed Shell as Feedstock V Christus Jeya Singh1* and S Joseph Sekhar1 Department of Mechanical Engineering, ... Equivalence ratio, Conversion efficiency Highlights: Analytical and experimental investigation on the performance of biomass gasifier Blends of coconut shell and rubber seed shell as feedstock ... Widespread research has been already carried out on downdraft gasifier with single biomass as feedstock However a limited work is available to ascertain the feasibility of utilizing blends of biomasses...
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Theoretical and experimental investigations of a downdraft biomass gasifierspark ignition engine power system
... whole biomass power system The mathematical models of the downdraft gasifier and of the engine were verified separately against experimental information Table Results of proximate and ultimate analysis ... [11] and Channiwala and Parikh [12]; 1/5 of supplied oxygen reacts with carbon contained in biomass to produce CO and CO2, see Mott and Spoone [11] and Channiwala and Parikh [12]; The ratio of ... coupled to analyze the operation of the whole biomass power system for a wide range of operational parameters such as the speed of the engine, the spark advancement, the air factor and the biomass moisture...
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Development and biodynamic simulation of a detailed musculo skeletal spine model
... Nikhil Jagdish for his useful discussions and advices during the last two years The author is very grateful to Lakshmanan Kannan Anand Natara for his assistance and maintenance of LifeMOD software ... human with a high degree of accuracy and, hence, it can be economically used as the head-neck section of a rear-impact human-body model to compare accurately crash scenarios and has the potential ... intradiscal pressure measurements of the L4-L5 disc and with extension moments, axial and shear forces at L5-S1 obtained from experimental data and another spine model available in the literature...
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2D Modeling of thermokinetics coupled with heat and mass transfer in the reduction zone of a fixed bed downdraft biomass gasifier
... tars and methane The kinetics of char combustion and gasification were also implemented into the mathematical model and all of them were coupled with the mass and energy equations, allowing the ... bio-char particles in the gasification zone is not total and a residual mass fraction is retained at the bottom of the gasifier as shown in the experimental work of Jayah et al [8] The residual mass ... conversion increases rapidly at the beginning the bed and exceeds 60% then the increase is reduced at the remaining zone of the bed In fact, both the high temperature and the high reactant concentrations...
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Case Study in Financial Modeling and Simulation of a Forestry Investment potx
... watering Maintenance:- weed control, fertilizing, pruning and thinning, fire and pest protection Inflows:wood; commercial thinning, final harvest non-wood; flora gathering, recreation, land ... Evaluation Criteria The Land Expectation Value(LEV) model is applied in preference to the NPV model Key Parameters in Forestry Models Establishment:- land, land preparation, plant stock, planting, ... usage and fashion changes Sovereign risk: regulatory changes, taxation changes, uncertain harvest rights Predicting Cash Flows The key growth indicator is the Mean Annual Increment 20 Years of...
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Modeling and simulation of a hybrid electric vehicle using MATLAB/Simulink and ADAMS
... platform and ADVISOR will be presented Chapter will contain comparative analysis of hybrid and conventional vehicle simulation based on the ADAMS/ MATLAB vehicle model City and highway standard drive ... configuration of a parallel hybrid electric vehicle [1] Figure 2-2: Schematic of a Parallel Hybrid Electric Vehicle [1] The advantage of a parallel hybrid vehicle is that the system has the ability to offer ... 4.1.9 ADAMS Subsystem The ADAMS subsystem block is the standard ADAMS/ Control subsystem that is required for MATLAB/Simulink to communicate with ADAMS The input and output variables of the ADAMS...
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Threedimensional fullloop simulation of a dual fluidizedbed biomass gasifier
... each computational particle is tracked The calculations of momentum, mass and energy transfer for the particle phase are on the basis of computational particles, rather than real particles Applying ... gasification plant with a full-load of MWth, or tons (biomass) /day The plant was built by West Biofuels, LLC and is located at the Woodland Biomass Research Center, Woodland, California Fig 1a ... external surface area, and therefore the adiabatic wall setting becomes a more reasonable option than the prescribed temperature setting As shown in Table 2, the mean diameter of biomass particles...
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Design and Simulation of A CMOS-MEMS Accelerometer
... estimated value is calculated assuming a total sensing capacitance of 60fF Parasitic capacitance and mismatch of sensing capacitance is measured in a way as shown in Figure 5.4 The capacitance ratios ... first-generation accelerometer were performed on a probe station Table lists major parameters of the device Only the ratio of parasitic capacitance and sensing capacitance can be measured, and the ... Integrate During the Sample phase, Vs+ and Verror are sampled to sampling capacitor Ci1, and Vs- is sampled to Ci2 At the same time, integration capacitors Cf1 and Cf2 are reset to zero charge, and...
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Tài liệu Design And Simulation Of A Cmos-Mems Accelerometer doc
... estimated value is calculated assuming a total sensing capacitance of 60fF Parasitic capacitance and mismatch of sensing capacitance is measured in a way as shown in Figure 5.4 The capacitance ratios ... first-generation accelerometer were performed on a probe station Table lists major parameters of the device Only the ratio of parasitic capacitance and sensing capacitance can be measured, and the ... Integrate During the Sample phase, Vs+ and Verror are sampled to sampling capacitor Ci1, and Vs- is sampled to Ci2 At the same time, integration capacitors Cf1 and Cf2 are reset to zero charge, and...
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Báo cáo khoa học: Structure, epitope mapping, and docking simulation of a gibberellin mimic peptide as a peptidyl mimotope for a hydrophobic ligand pot
... conformations of these peptides and to analyse the interaction between peptides and the mAb to obtain clear evidence that the peptides are real mimotopes of GAs and to confirm the existence of peptidyl ... GA4 for the mAb So far, quite a number of peptidyl mimics for carbohydrates or double-stranded DNA have been prepared [1–3] Mimicry peptides for water-soluble ligands, biotin and DON, have also ... Gibberellin mimics peptide- antibody recognition 11 Murata T, Fushinobu S, Nakajima M, Asami O, Sassa T, Wakagi T & Yamaguchi I (2002) Crystal structure of the liganded anti -gibberellin A4 antibody...
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Design and simulation of a shunt active filter pdf
... active filtering for harmonic current reduction with direct applicability in the civil and industrial electrical installations affected by harmonics Design and Simulation of a Shunt Active Filter ... use of the automatic system based on active filtering From the analysis of the experimental data, in case of a nonlinear load of rectifier type, one may observe that there are different levels of ... controller Results obtained by numerical simulations The performance analysis of the system with active filtering was realized based on the data obtained by simulation in Matlab-Simulink environment...
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Effect of operating parameters on performance of an integrated biomass gasifier, solid oxide fuel cells and micro gas turbine system
... compressors Effect of ER and MC on char conversion is shown in Fig The entire conversion of char is gained if ER and MC is selected above the line Effect of ER and MC on overall performance of the BGSOFC-GT ... gasifier As effect of MC on the performance of power system is analyzed, only the studied parameter is changed, ER, operating pressure of gasifier and mass flow rate of dry biomass are constant ... conversion and acceptable system efficiency, the suggested operating conditions are proposed System description A schematic of an integrated biomass gasification, SOFC and GT system is shown in Fig Biomass...
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Effect of operating parameters on performance of an intEffect of operating parameters on performance of an integrated biomass gasifier, solid oxide fuel cells and micro gas turbine system
... M.Venkata Ramanan, E.Lakshmanan, R.Sethumadhavan and S.Renganarayanan Performance prediction and validation of equilibrium modelling for gasification of cashew nut shell char Brazilian journal of chemical ... An experimental analysis on tar cracking using nano structured Ni-Co/Si-P catalyst in a biomass gasifier based power generating system Shanmuganandam K*,a, Venkata Ramanan Mb, Saravanan Rc, Anichai ... electrolysis - concepts and their assessment Biomass conversion and biorefinery (2014) 10 Martin Gassner, Francois Marechal Thermoeconomic optimisation of the polygeneration of synthetic natural gas (SNG),...
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Tar reduction in downdraft biomass gasifier using a primary method
... 15439 Biomass gasification- tar and particles in products gasessampling and analyze UE 2006 [24] Zainal ZA, Ali R, Lean CH, Seetharamu KN Prediction of performance of a downdraft gasifier using equilibrium ... KG, Bian Z Removal and conversion of tar in syngas from woody biomass gasification for power utilization using catalytic hydrocracking Energies 2011;4:1163e77 [7] Jordan CA, Akay G Speciation and ... Tar sampling principle The principle of the test method for gravimetric tar measurement is based on the continuous sampling of a gas stream, containing particles and organic compounds (tar) under...
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