thin film particulate analysis

... micromachining forms the structure in layers of thin films on the surface of the silicon wafer or other substrate Hence, the surface micromachining process uses thin films of two different materials, e.g., ... discovery of advanced materials in sheet and thin- film forms, especially PZT (lead zirconate titanate) and polyvinylidene fluoride The deposition of thin films allows piezo-based electric machines ... combination of dry and wet etching can be embedded in the process Metal films are patterned using the lift off stenciling technique A thin film of the assisting material (oxide) is deposited, and a layer...

Ngày tải lên: 29/06/2014, 09:21

... micromachining forms the structure in layers of thin films on the surface of the silicon wafer or other substrate Hence, the surface micromachining process uses thin films of two different materials, e.g., ... discovery of advanced materials in sheet and thin- film forms, especially PZT (lead zirconate titanate) and polyvinylidene fluoride The deposition of thin films allows piezo-based electric machines ... combination of dry and wet etching can be embedded in the process Metal films are patterned using the lift off stenciling technique A thin film of the assisting material (oxide) is deposited, and a layer...

Ngày tải lên: 14/03/2014, 14:20

... electronics Control systems Magnetics Power applications Design-oriented analysis This wide variety of areas is one of the things which makes the field so interesting and appealing to newcomers ... low-harmonic rectifiers (Chapters 16-18) Analysis and modeling of low-harmonic rectifiers (Chapters 17-18) Resonant inverters and dc-dc converters: approximate analysis techniques, characteristics ... design-oriented analysis, the converter analyses and examples are nonetheless done in a design-oriented way Approximations are often encouraged, and several of the techniques of design-oriented analysis...

Ngày tải lên: 13/12/2013, 01:15

... analysis However, the main steps to be followed in general are : • Define the problem • Make preliminary design decisions Version ME, IIT Kharagpur • Make design sketches • Carry out design analysis ... list of design disciplines e.g ship design, building design, process design, bridge design, clothing or fashion design and so on Here we are concerned with machine design We now define a machine ... based on existing scientific principles No scientific invention is involved but requires creative thinking to solve a problem Examples of this type of design may include designing a small vehicle...

Ngày tải lên: 17/12/2013, 11:15

... in elementary design analysis simple average stresses at critical cross-sections are considered to be sufficient More fundamental issues of stress distribution in design analysis will be discussed ... the beam at a distance of y1 from the neutral axis isolating an area ABCD An infinitesimal area within the isolated area at a distance y from the neutral axis is then considered to find the first...

Ngày tải lên: 17/12/2013, 11:15

Ngày tải lên: 23/01/2014, 04:20

... relationship given below Fundamental frequency: = f Kg Ws Version ME , IIT Kharagpur f= Kg Ws Both ends within flat plates (7.2.9) One end free and other end on flat plate (7.2.10) Where, K : Spring rate ... figure The spring deflection will be around 15 mm and outside diameter of the spring should be within 48-50 mm 300 N 900 N 15 mm 48 - 50 mm Solution To design the spring for the given data, the ... us a coil mean diameter, D =42 mm Thereby, the outside diameter of the coil is 49 mm, which is within the given limit Computation of stresses: F The mean load, m = 300 + 900 = 600N Version ME ,...

Ngày tải lên: 23/01/2014, 04:20

... stiffness means that the lateral deflection of the shaft and/or angle of twist of the shaft should be within some prescribed limit Therefore, design for stiffness is based on lateral stiffness and torsional...

Ngày tải lên: 23/01/2014, 05:20

... σθ σθ (a) (b) 9.1.1.2F- (a) Circumferential stress in a thin cylinder (b) Longitudinal stress in a thin cylinder Version ME, IIT Kharagpur Thin walled spheres are also sometimes used Consider a ... for circumferential and longitudinal stresses in thin cylinders • Basic design principles • Joint design; Welded or Riveted 9.1.1 Stresses in thin cylinders If the wall thickness is less than ... thickness is less than about 7% of the inner diameter then the cylinder may be treated as a thin one Thin walled cylinders are used as boiler shells, pressure tanks, pipes and in other low pressure...

Ngày tải lên: 23/01/2014, 05:20

Ngày tải lên: 27/06/2014, 05:20

Ngày tải lên: 27/06/2014, 08:20

... cover brochure entitled ‘Future Thinking’ was drawings; adds texture to publications designed to tell two stories First, of the ‘future’ and second, the ‘business thinking’ case Here, a coated ... thickcalliper stock may add a more substantial feel to a publication, while a thin calliper can add a delicate touch Generally speaking, thin- calliper stocks tend to have lower weights than thick-calliper ... to communicate better concepts of colour, a simple method of describing it has developed to make things easier Colour can be described according to three features: its hue or colour; its saturation...

Ngày tải lên: 01/07/2014, 10:43

Ngày tải lên: 10/08/2014, 11:21

Ngày tải lên: 10/08/2014, 11:22

Ngày tải lên: 10/08/2014, 11:22

... analytical and numerical analysis (thorough analysis is needed as different actuator and sensor configurations are synthesized, and nonlinear electromagneticmechanical-thermal analysis must be performed ... qualitative, leads to quantitative analysis Applying the cornerstone laws, the differential equations to model the actuator/sensor dynamics are straightforwardly derived, and analysis and simulations can ... traditional models if there is a need to perform qualitative analysis, modeling, design, optimization, and prediction Quantitative analysis and design use a wide range of physical laws and mathematical...

Ngày tải lên: 17/10/2013, 11:15

... (through intelligence, learning, evolution, analysis, adaptation, coordination, organization, decomposition, adaptive decision making with performance analysis and outcome prediction, diagnostics, ... evolution, and intelligence using performance analysis, outcome evaluation, prediction, and assessment Thus, © 2001 by CRC Press LLC qualitative and quantitative analysis is performed to study the overall ... (r ' , t '−k r − r ' ) r − r' dτ ' For sinusoidal electromagnetic fields, we apply the Fourier analysis to obtain Ω(r ) = − 4π ∫∫∫ e − jk v r − r ' r − r' F (r ' )dτ ' Thus, we have the expressions...

Ngày tải lên: 19/10/2013, 18:15

... torque-speed characteristic curves of induction motors must be thoroughly studied Performing the transient analysis by solving the derived differential equations (3.4.6), one can find the steady-state curves ... control © 2001 by CRC Press LLC S-Domain Block Diagram of Two-Phase Induction Motors To perform the analysis of dynamics, to control induction machines, as well as to visualize the results, it is ... 2001 by CRC Press LLC (3.4.30) The last differential equation in (3.4.30) can be omitted in the analysis and simulations if induction motors are used in electric drive applications That is, for...

Ngày tải lên: 19/10/2013, 18:15

... et al (1989) introduced a task -analysis approach meant to program robotic hand motions at a higher level They use a heuristic, knowledge-based approach From an analysis of the various modes of ... Parallel Manipulators difference between the two types The presence of unactuated joints makes the analysis of parallel manipulators, in general, more complex than that of their serial counterparts...

Ngày tải lên: 19/01/2014, 18:20