efgt cycle integrated with biomass gasifier for distributed power generation

... the EFGT cycle for the three different cases described in Table 4 Conclusions A thermodynamic analysis has been performed for an externally fired gas turbine (EFGT) cycle with an integrated biomass ... parameters on cycle performance The integrated model has been used to evaluate the performance of an EFGT cycle at different operating conditions A performance comparison is eventually made with reference ... (kg/kWh) with pressure ratio (rp) for the EFGT cycle at different turbine inlet temperatures (TIT) (b) Variation of specific air flow by volume (m3/kWh) with pressure ratio (rp) for the EFGT cycle...

Ngày tải lên: 29/07/2016, 14:03

... engine for generating electric power The gasifier is designed to perform with high efficiency and to produce cleaner gas, with less impurities The components of the biomass gasifier based power generation ... Description of the biomass based power generating system The biomass gasifier based power generation system has a fixed bed down draft reactor, a heat exchanger for hot air generation and a series ... technology pertaining to biomass conversion systems The objective of the present research work is to improve the performance of the biomass gasifier system for power generation The gasifier used in the...

Ngày tải lên: 02/08/2016, 09:34

... carbon in biomass is lost with the ash The ‘CRECYCLE’ stream circulates the solid carbon back to block ‘GASIF1’ The ‘CWASTE’ stream carries 2% of the solid carbon from the biomass, mixing it with ... Assabumrungrat S, Arpornwichanop A Performance analysis of an integrated biomass gasification and PEMFC (proton exchange membrane fuel cell) system: hydrogen and power generation Energy 2013;55:98e106 ... IGCC (integrated gasification combined cycle) and CFB (circulating fluidized bed) cogeneration plants equipped with CO2 removal Energy 2013;58:86e96 [13] Gomez-Barea A, Leckner B Modeling of biomass...

Ngày tải lên: 29/07/2016, 14:03

... conversion of the biomass to syngas takes place within the bed, but some conversion to syngas occurs in the freeboard section In DFBGs, biomass is gasified in a bed fluidised with steam The composition ... compared with other DFBGs, which leads to a discussion on DFBG design and operation This paper shows a successful development of a pilot-scale DFBG with internal reforming of tar and methane for synthesis ... material circulation increases with gas velocity in the gasifier The PLC-operated (Process Logic Controller) feeding system is designed for constant biomass feeding The biomass is fed into a pneumatic...

Ngày tải lên: 01/08/2016, 09:30

... downdraft biomass gasifier was developed for testing purpose only Therefore a number of technical and operational limitations remain with the existing gasifier: a The gasifier was not built for continuous ... suitable for a stationary model of downdraft gasifier The simulated performances of JRB-1 gasifier are shown below: 5.4.1 Input parameters for engineering equation solver (EES) simulation For wood ... assessed for developing countries The performances of the gasifier for different fuels are compared are with the simulated outputs of Engineering Equation Solver (EES) software Downdraft Gasifier...

Ngày tải lên: 03/04/2018, 21:04

... configuration for the farm with just one column with the same cell size Figure 5(b) is the extended optimized result for a farm land with a size of 50D x 50D The extended result for the whole ... total number of generations employed for converged solution is approximately 250 For both HAWT and VAWT wind farms, the size of the farm considered is 50D x 50D and a wind with uniform speed of ... results reported in this paper It is found that a uniform grid arrangement is also best in the case of a VAWT for optimal power generation Wake, power and cost modeling of a HAWT 2.1 Jensen's wake...

Ngày tải lên: 05/09/2013, 17:03

... relevance of the topic is apparent for the power generation companies (GENCOs), as fuel cost accounts for more than 70% of total generation cost for gas-fired power plants (Chang and Hin Tay, 2006) ... wind etc Among these predominant generation sources, natural gas is considered as a promising fuel for power generation due to its clean burning nature and low generation expenditure According ... contract allocation and valuation for a power generation company The background of this research is presented in Section 1.1 Section 1.2 clarifies the motivation for natural gas supply management...

Ngày tải lên: 09/09/2015, 08:15

... analysis for an externally fired gas turbine including biomass gasification process for distributed power generation They used thermodynamic equilibrium modeling for simulation syngas production from biomass ... natural gas to biomass flow rate for a system with 80 MW power output Soltani et al [10] also compared performance of two combined cycle configurations included co-firing of natural gas and biomass Their ... gasifier for distributed power generation, Energy 35 (2010) 341e350 [6] M.P Arnavat, J.C Bruno, A Coronas, Modeling of trigeneration configurations based on biomass gasification and comparison of performance,...

Ngày tải lên: 01/08/2016, 09:30

... Street Journal for training, and sections 22-24 for testing We compare the regular percepton trained serially on all the training data with the distributed perceptron trained with iterative parameter ... vector of each distinct model is initialized with the global averaged weight vector resultant from the previous iteration Thus, for all the iterations except for the first, the global averaged weight ... it is possible to pass this information via the Distributed Cache System In addition to the training module, the HadoopPerceptron package provides separate modules for prediction and evaluation...

Ngày tải lên: 17/03/2014, 22:20

... Improving the One-Bit Feedback Algorithm for Distributed Beamforming, in WCNC, 2010 IEEE, pp 1–6 Z Yi, R Adve, L Teng, Beamforming with limited feedback in amplify-andforward cooperative networks IEEE ... compared with WLP; if k = 3, and C = 4, ADP reduces by 43% compared with WLP VI Conclusions This article proposed an adaptive distributed precoding scheme for downlink CoMP systems with limited ... 17.05% ADP with prediction 3.2260 18.27% Table Feedback overhead comparison Scheme Feedback information Feedback bits MBSFN One PMI for K BSs C WLP One PMI for each BSs One phase facor for coordinated...

Ngày tải lên: 21/06/2014, 03:20

... PDF with variance σY , to account for measurement and calibration errors Thus, with N (ξ; μ, Σ) denoting a Gaussian density with mean μ and covariance matrix Σ evaluated at ξ, the likelihood for ... filtering for ASLT have shown that steered beamforming (SBF) delivers an improved tracking performance compared to TDE-based methods [2, 16] Hence, the SBF principle is here also used as a basis for ... likelihood function With Fm (ω) = F { fm (t)} the Fourier transform of the signal data from the mth sensor, and with · denoting the Euclidean norm, the output P ( ) of a delay-and-sum beamformer steered...

Ngày tải lên: 22/06/2014, 23:20

... (a) one nitridation without bias, (b) one nitridation with bias, (c) one nitridation without bias and wet etch for one min, and (d) one nitridation with bias and wet etch for minutes XRD results ... 0.10 J/cm2 for 1pulse, (b) 0.18 J/cm2 for 1pulse, (c) 0.18 J/cm2 for 10 pulses, (d) 0.20 J/cm2 for 1pulse, (e) 0.22 J/cm2 for 1pulse and by RTA at (f) 400ºC XRD results of Pt germanide formed by ... fluence of (a) 0.10~0.22 J/cm2 for pulse, (b) 0.10~0.18 J/cm2 for 10 pulses, and (c) 0.12 J/cm2 for 10 pulses, 0.14 J/cm2 for 10 pulses, 0.16 J/cm2 for pulses and 0.20 J/cm2 for pulse, respectively...

Ngày tải lên: 14/09/2015, 14:04

... NOVEL III-V MOSFET INTEGRATED WITH HIGH-K DIELECTRIC AND METAL GATE FOR FUTURE CMOS TECHNOLOGY Jianqiang Lin 2009 NOVEL III-V MOSFET INTEGRATED WITH HIGH-K DIELECTRIC AND METAL GATE FOR FUTURE CMOS ... gate length with 50 mV and V drain bias for passivated MOSFET (solid) and directly deposited control (dash-dot) 59  Fig 3.12 : Id-Vd of HfO2/InGaAs MOSFET for (a) without (b) with PH3-passivation ... that 40 nm gate line can be achieved by this method, and high performance for small channel length MOSFET is reported As the platform for further study, the limitation of current device and process...

Ngày tải lên: 16/10/2015, 15:37

... feedstock in gasifier instead of wood  Two-zone kinetic model to predict the performance of biomass blends in gasifier  Impact of equivalent ratio on the performance of gasifier with blends of biomasses ... rubber seed shell and coconut shell with various compositions yields the performance which is on par with the woody biomasses Besides, the maximum values of the performance parameters are obtained ... factors on the performance of downdraft biomass gasifier with wood [13, 18], waste wood, wheat straw, coconut shell [14, 18], saw dust [15], cashew nut shell [16], agricultural and forest residues...

Ngày tải lên: 29/07/2016, 14:01

... limited reaction rate (kg mÀ3 sÀ1) Sherwood number for species j Source term for property ∅ Source term for property ∅ due to solid phase Source term for property ∅ due to gas phase Reynolds stress ... model has been developed for an updraft biomass moving bed gasifier This model uses inlet air at room temperature as the gasification medium and a fixed batch of biomass The biomass batch is initially ... Fig 10 The values for gas compositions are also comparable with experimental observations of C.Mandlet et al [22] Their experimental data for a fixed bed updraft gasifier operated with softwood pellets...

Ngày tải lên: 29/07/2016, 14:02

... utilized for power generation with a favorable efficiency by incorporating with the combined Brayton–Rankine cycle [36] Biomass gasification process is a set of complex reactions, in which the biomass ... by an advanced combined cycle for power generation The flow diagram of this two-stage solarbiomass gasification system is depicted in Fig The proposed solar -biomass power generation system consists ... introduced solar energy for the power generation can be calculated Biomass is directly gasified with purified O2, and the gasified syngas is used in a combined cycle for generating power Both on-design...

Ngày tải lên: 29/07/2016, 14:02

... pressure Biomass data Type of biomass Ultimate analysis (wt%) Moisture content in biomass Mass flow rate of dry biomass Gasifier Gasifier operating pressure Moisture content of biomass entering gasifier ... temperature remains essential uniform in gasifier rather than variable with the height of the gasifier All the char is assumed to be completely consumed before leaving the gasifier, which could not ... Therefore, the electrical efficiency, combined heat and power efficiency can be calculated by Equations (29) and (30), respectively hel ẳ Wnet nbiomass $LHVbiomass hCHP ẳ Wnet ỵ Q nbiomass $LHVbiomass...

Ngày tải lên: 01/08/2016, 09:30

... catalyst for tar removal in a downdraft biomass gasifier and for possible enhancement in the quality of the producer gas to be suitable for usage in polygeneration Nickel is an effective catalyst for ... engines for power generation and hydrogen generation using membrane separation technology requires minimum acceptable level of tar thereby, emphasizing the urgent need to mitigate tar in biomass gasifiers ... different forms of energies such as heat, electricity production and hydrogen generation are accomplished from the same biomass source [9-10] To meet stringent gas purity requirements for polygeneration,...

Ngày tải lên: 01/08/2016, 09:30

... practical facility for biomass gasification [6], and it is also known for the production of syngas with low tar content Banapurmath and Tewari [1] quoted that downdraft gasifier coupled with an IC engine ... Associated with the above boundary conditions and the simplifying assumptions, they are solved using the finite volume method (SIMPLE algorithm) with a staggered non-uniform grid A FORTRAN code ... showed that the use of cow dung as a feedstock for biomass gasifiers is not technologically viable unless it is used as a supplement fuel to the woody biomass in the gasifier Moreover, the producer...

Ngày tải lên: 01/08/2016, 09:31

... pilot plant for the biomass- derivedhydrogen-rich syngas production and consists of a 500 kWth biomass gasifier coupled with a 125 kWe molten carbonate fuel cell [13] Two different areas for storing ... advanced integrated biomass gasification and molten fuel cell power system Energy Convers Manage 1998;39:1931–43 [3] McIlveen-Wright DR, Williams BC, McMullan JT Wood gasification integrated with fuel ... the implementation of a bunker for storing hydrogen in a cylinder, with the relative unit of decompression Fig 2.1 shows an advanced technological platform on biomass gasification is available...

Ngày tải lên: 01/08/2016, 09:32