process design and equipment selection

... Property and Entrepreneurship, 2004 ii ADVANCES IN THE STUDY OF ENTREPRENEURSHIP, INNOVATION AND ECONOMIC GROWTH VOLUME 16 UNIVERSITY ENTREPRENEURSHIP AND TECHNOLOGY TRANSFER: PROCESS, DESIGN, AND ... UNIVERSITY ENTREPRENEURSHIP AND TECHNOLOGY TRANSFER: PROCESS, DESIGN, AND INTELLECTUAL PROPERTY i ADVANCES IN THE STUDY OF ENTREPRENEURSHIP, INNOVATION AND ECONOMIC GROWTH Series Editor: ... AND ENTREPRENEURSHIP EDUCATION Arthur A Boni and S Thomas Emerson 241 ORGANIZATIONAL MODULARITY AND INTRA-UNIVERSITY RELATIONSHIPS BETWEEN ENTREPRENEURSHIP EDUCATION AND TECHNOLOGY TRANSFER Andrew...

Ngày tải lên: 19/02/2014, 05:20

... Product and Process Design and Development Team Method 31 Table 2.3 Six Design Stages Stage in the Design Process Aim of Method Useda Clarifying objectives To clarify design objectives and sub-objectives ... IP2D2 process, which was to use proven design processes that included the following guidelines • Simplify by reducing the number and types of parts and part features • Standardize by using standard ... product’s design and operating characteristics meet both customer expectations and established standards, which includes regulatory, environmental, and safety standards, that is, secure and hazard-free...

Ngày tải lên: 01/04/2014, 11:39

... 1.5 Continuous and Batch Processes 1.6 New Design and Retrofit 1.7 Approaches to Chemical Process Design and Integration 1.8 Process Control 1.9 The Nature of Chemical Process Design and Integration ... Chemical Process Design and Integration 1.1 Chemical Products 1.2 Formulation of the Design Problem 1.3 Chemical Process Design and Integration 1.4 The Hierarchy of Chemical Process Design and Integration ... chemical process design and integration for undergraduate and postgraduate students of chemical engineering, practicing process designers and chemical engineers and applied chemists working in process...

Ngày tải lên: 02/04/2014, 16:23

... Chapter Product and Process Design 1.1 Introduction Product and process design is at the heart of all business activity and integration with costing enables better decisions to be made and this helps ... Product and Process Design Create workelements Assembly sequence Workelement analysis Process Plan Time and Cost Fig 1.4 Assembly planning Part cost through BOM Capital cost and amortisation of equipment ... and their relationships provide the structure to process design and to understand this we need to look at how process information is communicated Language of course plays a key part in this and...

Ngày tải lên: 02/04/2014, 16:24

... the process engineer, such equipment is predesigned and fabricated and made available by manufacturers in limited numbers of types, sizes, and capacities The process design of proprietary equipment, ... instrumentation The process design is summarized by a process flowsheet, material and energy balances, and a set of individual equipment specifications Varying degrees of thoroughness of a process design ... inquiry forms A representative selection is in Appendix C 1.2 EQUIPMENT Two main categories of process equipment are proprietary and custom-designed Proprietary equipment is designed by the manufacturer...

Ngày tải lên: 02/04/2014, 16:24

... Pressure Sensors: Selection and Application, Duane Tandeske 73 Zinc Handbook: Properties, Processing, and Use in Design, Frank Porter 74 Thermal Fatigue of Metals, Andrzej Weronski and Tadeusz Hejwowski ... Couplings and Joints: Design, Selection, and Application, Second Edition, Revised and Expanded, Jon R Mancuso 122 Thermodynamics:Processes and Applications, Earl Logan, Jr 123 Gear Noise and Vibration, ... Understanding Gear Noise, J Derek Smith Chains for Power Transmission and Material Handling: Design and Applications Handbook, American Chain Association Corrosion and Corrosion Protection Handbook,...

Ngày tải lên: 20/10/2012, 09:58

... control in manufacturing processes through overhead cranes, hoists, and industrial brakes and clutches and in farm and garden tractors Some or all of the following materials, and others, that are ... coefficient is the design parameter to be used On the other hand, the pertinent design parameters are the dynamic friction coefficient and its change with temperature when a brake is designed for its ... friction and wear of Polytetrafluoroethylene-based composites Wear 79: 221–234 Anderson, J C (1986) The wear and friction of commercial polymers and composites In: Friedrich, K., ed Friction and Wear...

Ngày tải lên: 09/11/2013, 03:15

... pressure between the drum and the lining, and w represents the width of the band Upon simplifying equations (1-1) and (1-2) and remembering that as the element of band length approaches zero, ... FIGURE Band brakes used in an automatic transmission system Copyright © 2004 Marcel Dekker, Inc Band Brakes 19 FIGURE Quantities and geometry used in the derivation of the band-brake design relations ... efficiency and the small clearance is necessary to minimize the required activation force to bend the band and lining to the drum radius II APPLICATION In this section we consider the design of a band...

Ngày tải lên: 17/12/2013, 11:15

... V Vþ1 ð3-3Þ Mp Selection of shoe and drum angles and dimensions in accordance with this criterion may be aided by construction of design curves such as illustrated in Figures and 8, in which ... design engineer to compare the effects of different realistic pressure distribution and to design drums and shoes whose rigidity will induce particular pressure distributions over the primary and ... Chapter and that at the upper limit, 1=A ¼ Mf =ðAMp Þ Consequently, the ordinates on the right-hand sides of the graphs in Figures and are the reciprocals of the ordinates on the left-hand sides...

Ngày tải lên: 17/12/2013, 11:15

... Upon substituting for u1 and u2 in equation (1-8) and recalling equations (1-6) and (1-7) we find that T 4A sinðf0 =2Þ R ¼ ¼A Fs r f0 þ sin f0 r ð1-11Þ where the right-hand side has already been ... symmetrically pivoted and if equation (1-7) holds, the applied torque is given by T ¼ ARFs ð1-12Þ II BRAKING TORQUE AND MOMENTS FOR SYMMETRICALLY SUPPORTED INTERNAL SHOES Pressure p and braking torque ... © 2004 Marcel Dekker, Inc ð2-12Þ Linearly Acting External and Internal Drum Brakes 77 Substitution for Mp and Mf from equations (2-7) and (2-11) into equation (2-12) yields h pmax r f0 Rrw ðf0...

Ngày tải lên: 17/12/2013, 11:15

... Mankato, MN.) used on large earth-moving equipment, on mine shuttle cars, and similar equipment which may require large braking torque and which may be designed to operate in a dirty environment ... Elimination of k and y from equations (1-1) and (1-2) yields p ¼ pmax rj r ð1-3Þ With the lining pressure known, we may now calculate the required axial force from Z F ¼ p da ð1-4Þ A and the resulting ... supported entirely by the piston face and are therefore cheaper to produce because no additional supporting Copyright © 2004 Marcel Dekker, Inc Dry and Wet Disk Brakes and Clutches 89 FIGURE Continued...

Ngày tải lên: 17/12/2013, 11:15

... brakes have been designed and tested for a range of vehicle sizes, from tractors and trailers to subcompact automobiles [1] Both the large and small sizes used a folded cone design, as illustrated ... Figures and It is Figure that is directly useful in the design of cone brakes and clutches, because we find from equation (1-19) that the regions to the left of the solid curve (regions and 4) ... obtain design formulas for the torque capability and the required activation force is quite similar to that used for simple cone brakes and clutches Since the brakes illustrated in Figures and use...

Ngày tải lên: 17/12/2013, 11:15

... configuration of the OM and the coil housing, as shown in Figures and Both the shear and tensile stresses in these links resist relative motion between the IM and the OM and so transmit torque ... vector P and magnetization vector M are defined by P ¼ D À eo E and B ¼ Ao ðH þ M þ Mo Þ ð1-4Þ because both P and M vanish in free space The last two of equations (1-2) are replaced by D ¼ eE and H¼ ... density (coulombs/meter3) and constants qo and Ao denote the electric and magnetic permeabilities of free space, respectively In the MKS system, the units of qo are farads/meter and the units of Ao...

Ngày tải lên: 17/12/2013, 11:15

... moment of inertia Ii, n weights Wi and their elevation changes, and including nonzero values of velocity vi, and angular rotation Ni III BRAKING AND CLUTCHING TIME AND TORQUE Work done by a brake ... clutch and brake selection when dynamic torque and brake heating curves are available Both clutch and brake analyses will display some of the calculation involved when the speeds of the input and ... coefficient of 0.3, and set the width for the band, the linearly acting drum brake, and the externally pivoted brake to cm Limit the maximum lining pressure for the band brake and for the externally...

Ngày tải lên: 17/12/2013, 11:15

... detents and 40j between detents and 130j between detents and The second instance occurs when balls and engage detents and 5, where ball centers and are separated by 75j and detent centers and are ... between detents and 30j 130j between detents and between detents and and that the angular separation between detent centers and is given by 25j between detents and 30j between detents and 35j between ... Centrifugal, One-Way, and Detent Clutches 223 separated by 35j and and are separated by 40j for a combined separation of 75j The third and last instance is when balls and engage detents and Placing ball-detent...

Ngày tải lên: 17/12/2013, 11:15

... the left- and right-hand cones rotate in the same direction If the right- and left-hand cones drive the rightand left-hand wheels of a lawnmower, the mower moves forward If the righthand cone ... to and from the driven machine in order to apply and relieve the belt tension and thereby give clutching (applying belt tension) and declutching (relieving belt tension) capability These designs ... Nd1 tan2 f rn1 ln1 and Nn2 ¼ Nd rd2 ld ¼ Nd tan2 f rn2 ln2 ð3-1Þ where rd1 and rnl are the radii of the driver and driven cones, respectively, at point 1, rd and rn2 are driver and driven radii...

Ngày tải lên: 17/12/2013, 11:15

... fluid couplings are suitable for use with crushers and chippers, with conveyors and similar materials handling equipment, as well as with portable equipment They may also be used in series with marine ... maximum between a and b is determined by the design, position, and dimensions of the inlet and outlet throttles of the system The latter portion of the performance curve between points b and c is determined ... valve operations, crane trolleys, reversing carriages, and winding and unwinding equipment Copyright © 2004 Marcel Dekker, Inc Fluid Clutches and Brakes 261 FIGURE Output power as a function of...

Ngày tải lên: 17/12/2013, 11:15

... between values E1 and E2, in which E1 may be 10% and E2 may be 20%, for example This may be achieved by returning to equation (1-4) and solving for v1 and then replacing v1 and v0 with the associated ... upon accelerator data, optimum slip limits N1 and N2, angular acceleration a with limits a1 and a2, and brake pressure p, all as a function of time t and the ECU holds the brake pressure constant ... longitudinal and transverse acceleration With both longitudinal and transverse accelerometer data, the ECU can compare accelerations to detect both spinning and transverse sliding during panic stops and...

Ngày tải lên: 17/12/2013, 11:15

... in Figures and The alternating black and white line boundaries represent contour lines, or elevation lines, on the caliper and disk and consequently measure the deflection of the disk and caliper ... sprag and certain forces between the disk and the sprag These combinations of sprag deflections and disk forces defined a region of instability which was interpreted to signify large sprag and disk ... original configuration and the process to repeat In the years that followed, many investigations were conducted to better understand the role of the factors that affected brake and clutch vibration...

Ngày tải lên: 25/12/2013, 23:17