... and transparent electricity markets underpinned by strong governance structures [3] In UK, The Electricity Pool of England and Wales was created in 1990 to balance electricity supply and demand, ... Arrangements (BETTA) is introduced to replace the NETA in England and Wales, and the separate arrangements that existed in Scotland and the British Grid System Agreement, to create fully-competitive, ... downward-sloping demand, 14 E Bompard and Y Ma Price A demand curve supply curve E λN B Q Quantity Fig Electricity supply and demand curves which states that quantity demanded falls as a price rises,...
Ngày tải lên: 18/02/2014, 22:20
... exempt from the relevant protective laws and regulations and therefore free for general use While the advice and information in this book are believed to be true and accurate at the date of publication, ... (A) and point a L2 = distance between ankle axis (A) and point b L3 = distance between ankle axis (A) and point c L4 = distance between ankle axis (A) and point d θ = angle between foot and leg ... C.G Atkeson and C Liu Given a trajectory, one can integrate the value function and its first and second spatial derivatives backwards in time to compute an improved value function and policy We...
Ngày tải lên: 05/05/2014, 15:17
Modeling, simulation and multi objective optimization of industrial, low density polyethylene reactor
... affected by initiator concentration, inlet temperature and pressure, concentration of chain transfer agent, heat transfer coefficient, and other design and operating variables in the process Out of LDPE’s ... must often compromise model details and complexity with available information and final use of the model The model alleviates the use of pilot plant and trial -and- error procedures in the industrial ... objective and solve the resulting problem using single objective optimization algorithms 27 Chapter GAs and Constraint-handling Techniques for MOO Chapter Genetic Algorithms and Constraint-handling...
Ngày tải lên: 12/09/2015, 08:20
process modeling simulation and control for chemical engineers - 2nd ed
... rates, and power; piping sizes; column tray layout and sizing; heat-exchanger tube and shell side batlling and sizing Heat transfer Reactor heat removal; preheater, reboiler, and condenser heat transfer ... Series Bailey and OUii: Biochemical Engineering Fundamentals Bennett and Myers: Momentum, Heat, amd Mass Transfer Beveridge and Schechter: Optimization: Theory and Practice Brodkey and Hershey: ... Part IV Laplace-Domain Dynamics and Control Laplace-Domain Dynamics Laplace -Transformation Fundamentals 9.1.1 Definition 9.1.2 Linearity Property 9.2 Laplace Transformation of Important Functions...
Ngày tải lên: 01/04/2014, 11:12
Modeling, simulation and control of periodic reactor systems
... 1990; Haynes et al., 1992; Kulkarni and Dudukovic, 1996, 1997 and 1998; Annaland et al., 2001; Annaland et al., 2002 a and b; Annaland and Nijssen, 2002; Kolios et al., 2002; Glocker et al., 2003; ... temperature The control valves A and D are open (valves B and C are closed) for the forward flow (Figure 1.3(a)) and the control valves B and C are open (valves A and D are closed) in order for ... isobutyric acid to methacrylic acid) Denis and Kabel, 1970; Wandrey and Renken, 1971; Snyder and Subramaniam, 1994 & 1998; Seuffert et al., 1997; Kolios and Eigenberger, 1999; Oxidation of SO2 over...
Ngày tải lên: 14/09/2015, 12:30
Numerical simulation and optimization of CO2 sequestration in saline aquifers for enhanced storage capacity and secured sequestration
... (1) where mn, µn, and krn are the mobility, viscosity, and relative permeability of the non-wetting phase (CO2) respectively and mw, µw, and krw are the mobility, viscosity, and relative permeability ... CO2 and water is very sensitive to the hydrogeological properties of the saline formation, such as porosity and permeability Thus pressure analysis of WAG injection for different saline formations ... Numerical Simulation Framework for the Design, Management and Optimization of CO2 Sequestration in Subsurface Formations Global Climate and Energy Project (GCEP) Report, Stanford, 2006 Bryant S.L.,...
Ngày tải lên: 05/09/2013, 16:10
MODELING AND CONTROL ASPECTS OF WIND POWER SYSTEMS doc
... signals Vd and Vq are generated and are transformed to the three phase voltage reference signals for the switching Va, Vb and Vc by the dq to abc transformation The reference transformation angle ... quantities i.e Id and Iq by the abc to dq Transformation DC link voltage and the terminal voltage is controlled The outer loop will generate the reference signals for the dq quantities and inner loop ... systems and is essential to ensure the integrity of information, reducing significantly the Bit Error Rate (BER) and the latency of the information by adding redundancy to the transmitted information...
Ngày tải lên: 07/03/2014, 11:20
modelling simulation and optimization of industrial fixed bed catalytic reactors topics in chemical engineering
Ngày tải lên: 02/04/2014, 15:50
jump processes in finance modeling, simulation, inference and pricing
Ngày tải lên: 03/06/2014, 02:05
Dynamic electro thermal model of power electronic building block in micro grid modeling, analysis and simulation
... heat transfer mechanisms: conduction, convection and radiation [22] For conduction transfer, thermal energy is transferred through a stationary medium through the vibratory motion of atoms and ... subsystem, and program the subsystem to perform a certain power conversion between different loads and sources Since PEBB can be packaged and paralleled to increase system power level and the current ... converters’ optimal operation, long-term reliability, and asset management, etc • Heat Transfer Principles The understanding of thermal transfer mechanism in PEBB is the basis for practical thermal...
Ngày tải lên: 09/09/2015, 10:06
Post sale cost modeling and optimization linking warranty and preventive maintenance
... al (2008) and Huang and Fang (2008) considered variants of standard warranties, Wu et al (2009) and Lin et al (2009) dealt with the production and inventory problem for a static demand market, ... 2.1) and more complex system structure and ageing mechanism For interested readers, we refer to Sheu (1996), Wang and Pham (1999), Frickenstein and Whitaker (2003), Sheu and Chang (2001), and ... used this demand function in product warranty management; Mitra and Jayprakash (1997) also applied this demand function to develop a market-share model On the other hand, Glickman and Berger’s...
Ngày tải lên: 10/09/2015, 15:47
Computing system reliability modeling, analysis, and optimization
... Liang and Smith (2004), Zhao et al (2007), Nahas and Nourelfath Algorithm (2005), Dorigo (2001), Maniezzo and Carbonaro (2001), Liang and Smith (1999) SA and TS Others Wattanapongsakorn and Levitan ... (2004), Prasad and Kuo (2000) Cui et al (2004),Agarwal and Renaud (2004), Azaiez and Bier (2007), Bier et al (2005) Genetic Levitin (2001), Levitin and Lisnianski (2001), Zhao and Liu (2003), ... Algorithm Ramirez-Marquez and Coit (2004), Yun and Kim (2004), You and Chen (2005), Marseguerra et al (2004), Levitin (2000), Hsieh (2003), Marseguerra and Zio (2005), Hsieh and Hsieh (2003), Long...
Ngày tải lên: 11/09/2015, 08:59
Modelling, simulation and multi objective optimization of industrial hydrocrackers
... DS* and KS* simultaneously; (b) Maximization of DS* and KS* and minimization of total H2 flow; (c) Maximization of (DS+KS)* and minimization of LPG and Naphtha and (d) Maximization of DS* and ... high temperatures and high pressures and generally involve hydrogen and organic liquids with superficial gas and liquid velocities up to 0.3 and 0.01 m s-1 respectively Kinetics and/ or thermodynamics ... upgrading petroleum feedstock and straight run products by Esso Research and Engineering Company in the early 1930s Because of increasing worldwide demand for jet fuel and diesel and easy availability...
Ngày tải lên: 14/09/2015, 18:18
A framework for modeling, analysis and optimization of robust header compression
... work and discussions with Mr Sukanta Kumar Hazra and Mr Wang Haiguang Many others have contributed to making the author’s candidature at the Institute for Infocomm Research a satisfying and enlightening ... between compression gains and implementation cost [18] The cost and performance due to the context establishment has been studied using an analytical model in [15] and the handover aspect was analyzed ... random variables are in upper case whilst values are in lower case Vectors are assumed to be row vectors, and both vectors and matrices are denoted in bold, while the former is in lower case and...
Ngày tải lên: 16/09/2015, 12:35
SIMULATION AND MULTI OBJECTIVE OPTIMIZATION OF COLD END SEPARATION PROCESS OF AN ETHYLENE PLANT
... applications and smarter access to information through NUS website, Library, and many other facilities Latest infrastructure and innovative events around the campus had a very positive impact on me and ... Avantika, my fiancée Sulabh and his family, and all my relatives and friends in India for understanding my busy schedule and still continuing to shower their love and care Last but not the least; I would ... gas compressor and refrigeration compressor suction pressures, typical column variables (reflux, reboiler, and pressure), and converter temperature and H2 ratio Advanced control and optimization...
Ngày tải lên: 01/10/2015, 17:27
Stepped spillway optimization through numerical and physical modeling
... experimental study and USACE & USBR data Ho et al made a comparison on crest pressures and discharges over a standard ogee spillway by 2D and 3D simulations in Flow 3D Software and USACE data and also ... Representation (FAVOR) and the renormalization group (RNG) were implemented to simulate the fluid surface, obstacles and turbulence The continuity and momentum equations for flow and transport equation ... the free surface; σ is the surface tension; Cair is a coefficient of proportionality; As is the surface area; and δV is the volume of air allowed to enter the flow through the free surface per...
Ngày tải lên: 20/11/2015, 14:05
Network storage system simulation and performance optimization
... both data and command When Command is added, it is placed to the head + b) Separate FIFO for command and data When transferring, the HBA check the command FIFO first Figure 3.8 Command Frame ... the Command-First Algorithm only transfers commands in unfair mode and therefore the data transferring is not affected Because the command frame is transmitted in a single frame sequence and the ... Command-First FIFO In the first place, it is proposed to aggressively deliver the I/O commands in system level queue and give the command higher priority than data The I/O commands shall be transferred...
Ngày tải lên: 26/11/2015, 22:57
The table below shows social and economic indicators for four countries in 1994
Ngày tải lên: 04/10/2012, 10:02
Climate change as environmental and economic hazard - phần 1.1
... conceptualization of the multiplicity and salience of major challenges to development and security, all of which require political and public awareness and economic resources for timely and efficient policy treatment ... of risks, costs and benefits of handling these hazards using a multicriteria and systems approach towards the setting of policy priorities and resource sharing In addition to and developing from ... making, and (2) the establishment of ‘boundary organizations’ and institutional changes that increase the transfer of knowledge between not only science and policy, but also science, policy and practice...
Ngày tải lên: 07/10/2012, 15:56
Climate change as environmental and economic hazard - phần 1.2
... learning and the social sources of adaptability, renewal and transformation; and (3) and understanding ENVIRONMENTAL HAZARDS of change and uncertainty as inherent in social-ecological systems ... et al (2003) attribute coping capacity and adaptive capacity as separate dimensions of resilience, Smit and Wandel (2006) lump them together To Smit and Wandel (2006), adaptive capacity is equivalent ... CCA and DRR merged with insurance schemes could play an important role when discussing financial vulnerability and managing risks for governments and communities Understanding resilience and vulnerability...
Ngày tải lên: 07/10/2012, 15:56