... Study of the Design Variables for a Hybrid Electric Car with Solar Cells, Proc of METIME Conference, June 2-3, 2005, University of Galati, RO [19] Ahman M (2001), Primary Energy Efficiency of Alternative ... that, for m of panels, the HSV exhibit PtW values comparable with commercial cars (i.e within confidence region) starting from peak power of about 20 KW (and then to average power of 10 KW), while ... constraints of this paper, the most relevant outcomes are discussed in the following Case (Tab V) describes a hybrid vehicle with average power of 10 KW, without solar panels It exhibit a payback of 3.13...
Ngày tải lên: 30/03/2014, 10:20
analysis and design of reinforced concrete bridge structures
... service loads specified yield stress, or design yield stress of fy = nonprestressed reinforcement = design yield stress of steel of bearing plate design yield stress of steel for hoops and supples;= ... connection with loads (Chapter 5) modulus of elasticity of concrete modulus of elasticity of concrete at transfer of stress modulus of elasticity of prestressing strand modulus of elasticity of steel ... tenfpo = don stress in prestressing steel at design loads ultimate strength of prestressing steel specified yield strength of prestressing tendons modulus of rupture of concrete tensile stress in...
Ngày tải lên: 24/10/2014, 16:04
seismic analysis and design of concrete bridge systems
... used for final design of simple bridges and for preliminary design of complex bridges This approach is reasonably accurate for response of straight bridges without a high degree of stiffness or ... aspects of concrete design are considered in the ATC-32 Report These include design of ductile elements, design of non-ductile elements using a capacity design approach, and the detailing of reinforced ... the design codes They are: • “Seismic Design and Retrofit Manual for Highway Bridges,” FHWA-IP-87-6 • “Seismic Retrofitting Guidelines for Highway Bridges,” FHWA/RD-83/007 • “Seismic Design of...
Ngày tải lên: 24/10/2014, 22:00
behavior and design of open steel box girder bridges by up-down construction method
... of steel girder and Negative moment Steel girder + Top slab Steel girder Steel girder + Top slab Steel girder Steel girder +Top slab Steel girder + Bottom slab Steel girder + Top slab Steel girder ... middle bottom flange 133 6.32 Design of two-span continuous bridge a) Conventional design T1; b) Design T2; c) Proposed bridge design T3 136 6.33 Design of closed-rectangular brdige by up-down ... of the structural characteristics of the bridge system It has been researched, developed, and applied over 200 bridges for prestressed concrete bridges, preflex bridges and steel box -girder bridges...
Ngày tải lên: 13/11/2014, 06:40
SAP2000® Linear and Nonlinear Static and Dynamic Analysis and Design of Three-Dimensional Structures
... Click the Design menu > Steel Frame Design > Start Design/ Check of Structure command or the Start Steel Design/ Check of Structure button, to start the steel frame design process The program designs ... Click the Design menu > Steel Frame Design > Start Design/ Check of Structure command or the Start Steel Design/ Check of Structure process button, to start the steel frame design G When the design ... copyrighted products Worldwide rights of ownership rest with Computers and Structures, Inc Unlicensed use of the program or reproduction of the documentation in any form, without prior written authorization...
Ngày tải lên: 06/09/2012, 15:56
SAP2000 Integrated Finite Elements Analysis and Design of Structures
... copyrighted products Worldwide rights of ownership rest with Computers and Structures, Inc Unlicensed use of the program or reproduction of the documentation in any form, without prior written authorization ... title of the window reads YZ Plane @ X=24 This same title also occurs on the left-hand side of the status bar at the bottom of the SAP2000 window Click the roof level beam on the left side of the ... enter Select Mode 24 Click the roof beam at the top of the braced frame to select it Also click the joint at the top of the chevron brace (center of braced frame roof beam) to select it 25 From...
Ngày tải lên: 06/09/2012, 15:56
The design of mat foundations
... being designed for a small office building with a total live load of 250 kips and dead load of 500 kips Find: (a) the depth Df for a fully compensated foundation, (b) the depth Df if a soft clay with ... large column loads must be designed to prevent shear, other thickening designs are common Below are some typical flat plates with thickening under the columns Slab with basement walls acting ... in some areas of the central and western United States Photograph of the construction of the mat foundation for the new Century Hotel in San Francisco (1999) Having had 25 feet of dredge spoils...
Ngày tải lên: 16/10/2012, 10:43
DESIGN OF REINFORCED MASONRY STRUCTURES
... and allowable stress design (ASD) philosophies Reinforced masonry structures can be designed based on either strength design philosophy or allowable stress design philosophy Allowable stress design ... design of reinforced concrete structures would enable readers to quickly grasp the fundamentals of strength design of reinforced masonry, neither that knowledge nor that of allowable stress design ... from the start of the hook (point of tangency), in (mm) = clear span of prestressed member in the direction of prestressing tendon, in (mm) = length of the entire wall or of segment of wall considered...
Ngày tải lên: 17/08/2013, 11:41
GROWTH PERFORMANCE AND SPERM QUALITY OF STRESS NEGATIVE PIÉTRAIN BOARS AND THEIR HYBRIDS WITH DUROC
... coefficient of determination 219 Growth Performance and Sperm Quality of Stress Negative Piétrain Boars and Their Hybrids with Duroc Table Production performance, Least square means (LSMSE) of PiDu ... and Sperm Quality of Stress Negative Piétrain Boars and Their Hybrids with Duroc REFERENCES Dang Vu Binh, V.D Ton, N.C Oanh, (2008) Productivity and meat quality of fattened pigs of crossbred formulas ... the Faculty of Veterinary Medicine of the University of Liège In 'AIVETs meeting Brugge, Belgium' pp 27-31 Leroy, P., V Verleyen (1999b) Performances of the Piétrain ReHal, the new stress negative...
Ngày tải lên: 28/08/2013, 11:59
Novel design of a compacted micro-structured air-breathing PEM fuel cell as a power source for mobile phones
... for the design and optimization of future fuel cells to improve their lifetime with a much higher power density and lower cost The analysis offers valuable physical insight towards design of a cell ... performance of air-breathing fuel cells However, these fuel cell designs have generally relied on traditional planar MEA architecture Because the majority of PEM fuel cell designs are based on planar plate ... micro-fuel cells in terms of design, materials, effective transport of reactants, and heat management The development of physically representative models that allow reliable simulation of the processes...
Ngày tải lên: 05/09/2013, 14:58
Optimal design of PEM fuel cells to generate maximum power: A CFD study
... overpotential decreases with increasing of the cell operating pressure This is because of the exchange current density of the oxygen reduction reaction increases with increasing of the cell operating ... the Mises stresses in membrane will be increased The activation overpotential decreases with increasing of cell operating temperature This is because of the exchange current density of the oxygen ... International Journal of Energy and Environment IJEE, 2010; 1(2), 183-198 [5] Chun-Hua Min Performance of a proton exchange membrane fuel cell with a stepped flow field design Journal of Power Sources,...
Ngày tải lên: 05/09/2013, 14:58
Novel design of a disk-shaped compacted micro-structured air-breathing PEM fuel cell
... for the design and optimization of future fuel cells to improve their lifetime with a much higher power density and lower cost The analysis offers valuable physical insight towards design of a cell ... performance of air-breathing fuel cells However, these fuel cell designs have generally relied on traditional planar MEA architecture Because the majority of PEM fuel cell designs are based on planar plate ... micro-fuel cells in terms of design, materials, effective transport of reactants, and heat management The development of physically representative models that allow reliable simulation of the processes...
Ngày tải lên: 05/09/2013, 14:58
Theory and design of CNC systems (Học CNC)
... 10.3 Design of Soft-NC System 10.3.1 Design of Task Module 10.3.2 Design of the System Kernel ... invented the method of automatic control of the weaving of fabrics with a loom machine by using punch cards and this method was the beginning of the concept of NC The concept of NC was actually ... role of controlling the machine’s behavior with the exception of servo control Figure 1.13 shows the conceptual architecture of CNC machine tools from the hardware and software points of view Software...
Ngày tải lên: 08/09/2013, 20:50
An Introduction to Intelligent and Autonomous Control-Chapter 4:Design of Structure-Based Hierarchies for Distributed Intelligent Control
Ngày tải lên: 17/10/2013, 19:15
Theory and Design of Electrical and Electronic Circuits
... Equivalent circuit of a inductor Measurement of the characteristics Transformer of alimentation Design Transformer of audiofrecuency Transformer of pulses Design Inductors of filter with continuous ... voltage of PINCH-OFF or "strangulation of the channel" defined in the curves of exit of the transistor, whose module agrees numerically with the voltage of cut in the curves of input of the transistor ... Polarization of components Bipolar transistor of junction (TBJ) Theory Design Fast design Unipolar transistor of junction (JFET) Theory Design Operational Amplifier of Voltage (AOV) Theory Design ...
Ngày tải lên: 23/10/2013, 16:15
Electronics - Theory and Design of Electrical and Electronic Circuits
... Equivalent circuit of a inductor Measurement of the characteristics Transformer of alimentation Design Transformer of audiofrecuency Transformer of pulses Design Inductors of filter with continuous ... voltage of PINCH-OFF or "strangulation of the channel" defined in the curves of exit of the transistor, whose module agrees numerically with the voltage of cut in the curves of input of the transistor ... Polarization of components Bipolar transistor of junction (TBJ) Theory Design Fast design Unipolar transistor of junction (JFET) Theory Design Operational Amplifier of Voltage (AOV) Theory Design ...
Ngày tải lên: 27/10/2013, 16:15
An Introduction to Intelligent and Autonomous Control-Chapter 5: Modeling and Design of Distributed Intelligence Systems
Ngày tải lên: 07/11/2013, 09:15
Tài liệu Design of a USB Device Driver ppt
... –USB Host sends Set Address with non-zero address ? Configured state –USB Host sends Set Configuration with non-zero value ? Suspended state –USB Host stops sending SOF for msec 10 The Device State ... ? Architecture of an Embedded USB Device ? USB Device Driver Architecture ? Case Study of a USB Device Driver ? Testing Strategies ? Issues to consider ? Conclusions 13 Types of USB Controllers ... Architecture of an Embedded USB Device ? USB Device Driver Architecture ? Case Study of a USB Device Driver ? Testing Strategies ? Issues to consider ? Conclusions 19 Architecture of an Embedded...
Ngày tải lên: 13/12/2013, 00:15
Tài liệu Design of Sheet Pile Walls doc
... alignment of permanent construction within the dedicated right -of- way Procurement of new rights -of- way should begin in the feasibility stage of wall design and should be coordinated with realty ... state of stress in the soil mass The concept of an earth pressure coefficient, K, is often used to describe this state of stress The earth pressure coefficient is defined as the ratio of horizontal ... the depth of penetration of the piling or by a combination of penetration and anchor position for an anchored wall Because of the complexity of behavior of the wall/soil system, a number of simplifying...
Ngày tải lên: 13/12/2013, 11:15
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