basic rules of thumb
Tài liệu Rules of Thumb Mechanical Engineers P2 docx
... water-to-water exchangers, air coolers, and similar nonhydrocarbon appli- 34 Rules of Thumb for Mechanical Engineers Table Summary of Types of Heat Exchangers 5Pe Shell and tube Air cooled heat exchangers ... that the tubes, tube sheets, and heads are constructed of impervious graphite 3 Rules of Thumb for Mechanical Engineers Sources Standards of TubularExchanger Manufacturer’sAssociation, 7th Ed., ... Increasing the number of shells permits increasing the extent of the cross andor the value of F, The total number of shells also depends on the total surface area since the size of the individual...
Ngày tải lên: 20/01/2014, 00:20
Tài liệu Rules of Thumb Mechanical Engineers P1 pptx
... equations: BASIC EQUATIONS In derivations of any of the basic equations in fluids, the concept of control volume is used A control volume is an arbitrary space that is defined to facilitate analysisof ... without permission of the publisher Gulf Publishing Company Book Division P.O Box 2608 Houston, Texas 77252-2608 Library of Congress Cataloging-in-PublicationData Rules of thumb for mechanical ... Classification 63 64 Basic Mechanical Seal Components Sealing Points Mechanical Seal Classifications Basic Seal Designs Basic Seal Arrangements Basic Design Principles Materials of Construction Desirable...
Ngày tải lên: 20/01/2014, 00:20
rules of thumb for mechanical engineers pot
... equations: BASIC EQUATIONS In derivations of any of the basic equations in fluids, the concept of control volume is used A control volume is an arbitrary space that is defined to facilitate analysisof ... without permission of the publisher Gulf Publishing Company Book Division P.O Box 2608 Houston, Texas 77252-2608 Library of Congress Cataloging-in-PublicationData Rules of thumb for mechanical ... Classification 63 64 Basic Mechanical Seal Components Sealing Points Mechanical Seal Classifications Basic Seal Designs Basic Seal Arrangements Basic Design Principles Materials of Construction Desirable...
Ngày tải lên: 05/03/2014, 17:20
rules of thumb for mechanical engineers pptx
... equations: BASIC EQUATIONS In derivations of any of the basic equations in fluids, the concept of control volume is used A control volume is an arbitrary space that is defined to facilitate analysisof ... without permission of the publisher Gulf Publishing Company Book Division P.O Box 2608 Houston, Texas 77252-2608 Library of Congress Cataloging-in-PublicationData Rules of thumb for mechanical ... Classification 63 64 Basic Mechanical Seal Components Sealing Points Mechanical Seal Classifications Basic Seal Designs Basic Seal Arrangements Basic Design Principles Materials of Construction Desirable...
Ngày tải lên: 14/03/2014, 18:20
math. and phys. data - equations and rules of thumb - s. gibilisco
... elements of N can be paired off one-to-one with the elements of Z or Q, but not with the elements of S or R Any attempt to pair off the elements of N and S or N and R results in some elements of S ... Mathematical and Physical Data, Equations, and Rules of Thumb Mathematical and Physical Data, Equations, and Rules of Thumb Stan Gibilisco McGraw-Hill New York Chicago San Francisco ... string of digits that repeat in cycles Examples of the first type of rational number, known as terminating decimals, are: 3/4 ϭ 0.750000 Ϫ9/8 ϭ Ϫ 1.1250000 Examples of the second type of rational...
Ngày tải lên: 31/03/2014, 16:19
pipeline rules of thumb handbook, 7th edition
... 12.52 14.24 18 Pipeline Rules of Thumb Handbook Properties of shafting SECTION MODULUS Diameter of Shaft, Inches Area of Shaft Weight per Inch Weight per Foot MOMENT OF INERTIA Bending Bending ... worth of $1.00 per period where: P ¼ a present sum of money S ¼ a sum of money at a specified future date R ¼ a uniform series of equal end -of- period payments n ¼ designates the number of interest ... rate earned at the end of each period General Information Mathematics—areas Pipeline Rules of Thumb Handbook Mathematics—surfaces and volumes General Information Rules of exponents an am ẳ anỵm...
Ngày tải lên: 02/04/2014, 16:20
branan - rules of thumb for chemical engineers 3e (gulf, 2002)
... Rules of Thumb for Chemical Engineers RULES OF THUMB FOR CHEMICAL ENGINEERS A manual of quick, accurate solutions to everyday process engineering ... Control Miscellaneous Rules of Thumb 24 27 29 30 30 31 31 38 40 19 42 42 43 44 46 48 20 Rules of Thumb for Chemical Engineers TEMA Figures 1-4 and Table from the Standards of Tubular Exchanger ... performance for a number of trim types General Control Valve Rules of Thumb Design tolerance Many use the greater of the following: Qsizing = 1.3 Qnorrnal Qsizirig = 1.1 Qmaximum Type of trim Use equal...
Ngày tải lên: 04/06/2014, 16:06
RULES OF THUMB FOR MECHANICAL ENGINEERS docx
... equations: BASIC EQUATIONS In derivations of any of the basic equations in fluids, the concept of control volume is used A control volume is an arbitrary space that is defined to facilitate analysisof ... without permission of the publisher Gulf Publishing Company Book Division P.O Box 2608 Houston, Texas 77252-2608 Library of Congress Cataloging-in-PublicationData Rules of thumb for mechanical ... Classification 63 64 Basic Mechanical Seal Components Sealing Points Mechanical Seal Classifications Basic Seal Designs Basic Seal Arrangements Basic Design Principles Materials of Construction Desirable...
Ngày tải lên: 27/06/2014, 06:20
optical communications rules of thumb
... Another of the larger rules in the chapter deals with this topic In addition, we have included rules related to the performance of OTDR systems, measured in terms of the accuracy of the location of ... standard definition of SNR (see related rules in Chap of this book), but it includes the concept of the number of photons per mode, q = N/M where M is the degree of coherence of the transmitted ... rules about the cost of deploying fibers in the ground and above ground Perhaps the most useful application of these rules is for detection of relative changes This is especially true of the rules...
Ngày tải lên: 04/07/2014, 06:57
Rules of Thumb for Mechanical Engineers 2010 Part 1 pdf
... equations: BASIC EQUATIONS In derivations of any of the basic equations in fluids, the concept of control volume is used A control volume is an arbitrary space that is defined to facilitate analysisof ... without permission of the publisher Gulf Publishing Company Book Division P.O Box 2608 Houston, Texas 77252-2608 Library of Congress Cataloging-in-PublicationData Rules of thumb for mechanical ... Classification 63 64 Basic Mechanical Seal Components Sealing Points Mechanical Seal Classifications Basic Seal Designs Basic Seal Arrangements Basic Design Principles Materials of Construction Desirable...
Ngày tải lên: 11/08/2014, 21:20
Rules of Thumb for Mechanical Engineers 2010 Part 2 ppt
... 16 Rules of Thumb for Mechanical Engineers The shear stress z is a function of this torque T Knowing shear stress, the dynamic viscosity may be calculated from Newton’s law of viscosity ... (Reprinted with permission of McGraw- Hill.) Dittus, E W and Boelter, L M K., University of California Publications on Engineering, Vol 2, Berkeley 1930, p 443 26 Rules of Thumb for Mechanical Engineers ... water-to-water exchangers, air coolers, and similar nonhydrocarbon appli- 34 Rules of Thumb for Mechanical Engineers Table Summary of Types of Heat Exchangers 5Pe Shell and tube Air cooled heat exchangers...
Ngày tải lên: 11/08/2014, 21:20
Rules of Thumb for Mechanical Engineers 2010 Part 3 ppt
... the same temperature 58 Rules of Thumb for Mechanical Engineers FIRST LAW OF THERMODYNAMICS The first law of thermodynamicsestablishes the principle of conservation of energy in thermodynamic ... the properties of the fluid medium and phases of this substance While we are aware of basically three phases of any substance, namely solid, liquid, and gaseous, for the purposes of thermodynamic ... is: 64 Rules of Thumb for Mechanical Engineers r I V S Figure Diesel cycle 6as Power Cycles with Regeneration Use of regeneration is an effective way of increasing the thermal efficiency of the...
Ngày tải lên: 11/08/2014, 21:20
Rules of Thumb for Mechanical Engineers 2010 Part 4 pps
... (Courtesy of fhrarnetallk COP-) 70 Rules of Thumb for Mechanical Engineers Figure Static O-ring, no hang-ups (Courtesy of Durametallic Corp.) O-ring virtually eliminates the problem of fretting ... amount of spring force is a function of the wire diameter, the number of springs, and the length of displacement For mechanical seal designs, the range can be from to 15 lbs of force per inch of ... neither of these two methods is feasible, there are ways of estimating the seal chamber pressure on standard pumps 82 Rules of Thumb for Mechanical Engineers Single-Stage Pumps The majority of overhung...
Ngày tải lên: 11/08/2014, 21:20
Rules of Thumb for Mechanical Engineers 2010 Part 6 pdf
... Expanders:'Available Energy *Reprintedfrom Rules of Thumbfor Chemical Engineers Carl R Branan (Ed.), Gulf Publishing Company Houston Texas 1994 125 129 129 130 132 132 126 Rules of Thumb for Mechanical Engineers ... number of teeth should be a reasonable value The choice of number of teeth can be a function of speed The best measure of speed is pitch line velocity, which is calculated per Equation The number of ... is also very dependent on the precision of the gear tooth form manufactured Select from the columns of Table as follows: v = 262 x d x n (5) Rules of Thumb for Mechanical Engineers 136 Table...
Ngày tải lên: 11/08/2014, 21:20
Rules of Thumb for Mechanical Engineers 2010 Part 7 potx
... relubrication of bearings is often of equal or greater importance than the initial selectionof lubricant The establishment of proper relubrication procedures is also one of the most difficult aspects of ... (ofan individual bearing): The number of revolutions which one of the bearing rings makes in relation to the other ring before the first evidence of fatigue develops in the material of one of ... MISALIGNMENT - DEGREES RADIAL LOAD - LBS n = NUMBER OF BALLS d = DIA OF BALLS where: R Figure 11 Effect of misalignment on ball bearing fatigue life 156 Rules of Thumb for Mechanical Engineers LOAD AND...
Ngày tải lên: 11/08/2014, 21:21
Rules of Thumb for Mechanical Engineers 2010 Part 8 ppt
... 173 174 Rules of Thumb for Mechanical Engineers Seals Bearing seals have two basic functions: to keep contaminants out of the bearing and to keep the lubricant in the bearing The design of the ... stenciled with brand name, kind, schedule, length of pipe, and type of steel used In case of bundles, markings will appear on a bundle tag 188 Rules of Thumb for Mechanical Engineers ASTM A-106 Sizes ... bear- 176 Rules of Thumb for Mechanical Engineers ing design is important because temperature and wear are directly related to it The lower the coefficient of friction, the longer the life of the...
Ngày tải lên: 11/08/2014, 21:21
Rules of Thumb for Mechanical Engineers 2010 Part 10 ppsx
... Areas of Vessel Sections Motation Table Volumes and Surface Areas of Vessel Sections = height of cone, depth of head, or length of cylinder ~~ a = one-half apex angle of cone D = large diameter of ... diameter of head or cylinder R = radius r = knuckle radius of F & D head L = crown radius of F & D head h = partial depth of horizontal cylinder K, C = coefficients d = small diameter of truncated ... 3/4 642 13/16 744 03 m 846 m 13/16 222 Rules of Thumb for Mechanical Engineers Useful Formulas for Vessels C2,61 Properties of a circle (See Figure 1.) C G of area Circular ring c3 e, =- 12A, 120c...
Ngày tải lên: 11/08/2014, 21:21
Rules of Thumb for Mechanical Engineers 2010 Part 11 docx
... acceleration L = height of floating body Jo = mass moment of inertia of machine about axis of oscillation L length of fluid in manometer or length of uniform rigid rod r = radius of pivoted semicircular ... e n d ofbeam I I Beam with both ends ked, load i n middle ofbeam L = total l e d of beam k=-48EI Beamwithbothendspinned,load i n middle ofbeam Beam with both ends pinned, with offcenter lofd I ... Multiple Degree of Freedom Systems There are a number of different methods used to derive and solve the equations of motion for multiple degree of freedom systems However, the length of this chapter...
Ngày tải lên: 11/08/2014, 21:21
Rules of Thumb for Mechanical Engineers 2010 Part 12 potx
... not be line of sight limited There are several methods to apply diffusion coatings, 274 Rules of Thumb for Mechanical Engineers the most common being the pack method although the use of CVD is ... large A limit of lo8 cycles is used as a stopping point for most testing This number of cycles is called the endurance limit of a material Figure 19 shows a schematic of a stress-number of cycles ... Plastic deformation is the application of force to change the shape of a material Some of the more common types of plastic deformation are shown in Figure 23 Most of these methods can be used either...
Ngày tải lên: 11/08/2014, 21:21
Rules of Thumb for Mechanical Engineers 2010 Part 14 pot
... aerospace industry The basis of FEM is the representation of a structureby an assemblage of subdivisions,each of which has a standardized shape with a finite number of degrees of freedom These subdivisions ... meet a specified torque The combination of tensile and torsional stresses at the outer surface of a bolt often reach the yield strength at 80% of the proof load As pointed out in the previous ... maximum bolt preload recommendations range from 75% to 100% of the proof load [14] Using 100% of the proof strength reduces the number of bolts and generally reduces the alternating load on the...
Ngày tải lên: 11/08/2014, 21:21