Mechanical Engineers Handbook Episode 6 docx

... 8.80 3 .60 6. 00 8.80 8.30 10.0 35 4.20 8.50 10 .6 4.75 8.20 11.0 9.30 13.1 40 4.50 9.40 12 .6 4.95 9.90 13.2 7.20 11.1 16. 5 45 5.80 9.10 14.8 6. 30 10.4 16. 4 7.40 12.2 20.9 50 6. 10 9.70 15.8 6. 60 11.0 ... 12.0 18.0 9.00 13 .6 21.5 11.3 14.9 27.1 60 8.70 13 .6 20.0 9.70 16. 4 24.0 12.0 18.9 32.5 65 9.10 16. 0 22.0 10.2 19.2 26. 5 12.2 21.1 38.3 70 11 .6 17.0 24.5 13.4 19.2 29.5...

Ngày tải lên: 13/08/2014, 16:21

... Fundamentals of Heat Transfer, McGraw-Hill, New York, 1 961 ), used with permission from A. Bejan, Heat Transfer, John Wiley, 1993, Fig. 4.15, p. 169 . 4 86 Principles of Heat Transfer Heat Transfer Although ... scale as t w $ m U I L Re 1a2 L $ rU 2 I Re À1a2 L X 3X 66 Consequently, the wall friction coef®cient, C f  t w 1 2 ru 2 Y scales as C f $ Re À1a2 L 3X67 which solves the ®rst p...

Ngày tải lên: 13/08/2014, 16:21

... jtX 1X60 Then, ln m   jtdt X 1X61 2. If m  mx, then dm dt  0, and Eq. (1.59) will take the form d ln m dx  dh 2 dt À dh 1 dx h 1  cxX 1X62 Then, ln m   cxdx X 1X63 EXAMPLE ... BARBULESCU Department of Mechanical Engineering, Auburn University, Auburn, Alabama 368 49 Inside 1. Differential Equations 7 16 1.1 Ordinary Differential Equations: Introduction 7 16 1.2 I...

Ngày tải lên: 13/08/2014, 16:21

... with official contract number, date, and signatures of both parties. 2 26 Contract review auto203.qxd 10/04/00 21:32 Page 2 26 The requirements in clause 4.2.4.11 are linked with other elements of ... any special responsibilities and organizational interfaces be defined . 1 96 Quality system auto202.qxd 10/04/00 21:31 Page 1 96 l Competency development and responsibilities l Process devel...

Ngày tải lên: 13/08/2014, 15:21

... . . . . . 61 7 4. Connection of Elements 61 8 5. Poles and Zeros 62 0 6. Steady-State Error 62 3 6. 1 Input Variation Steady-State Error . . . . . . . . . . . . . . . . . . . . . 62 3 6. 2 Disturbance ... . . . . . 65 6 10.4 Effects of the Supplementary Pole . . . . . . . . . . . . . . . . . . . . 66 0 10.5 Effects of Supplementary Poles and Zeros . . . . . . . . . . . . . . . 6...

Ngày tải lên: 13/08/2014, 16:21

... parallel vectors is zero. Equation (3 .61 ) may be written as r ÂF  dH O dt Y 3X62 where the vector H O  r  mv 3X63 is called the angular momentum about O (Fig. 3. 16) . The angular momen- tum may ...  s R X Angles are also expressed in degrees. There are 360 degrees  360   in a complete circle. The complete circumference of the circle is 2pR. Therefore, 360   2p radX 2. Kinem...

Ngày tải lên: 13/08/2014, 16:21

... Analysis 157 2 .6 Strain Energy 160 2.7 Castigliano's Theorem 163 2.8 Compression 165 2.9 Long Columns with Central Loading 165 2.10 Intermediate-Length Columns with Central Loading 169 2.11 Columns ... given by P max  3F 2pa 2 X 1X67 In the case of the contact between a sphere and a plane surface or a sphere and an internal spherical surface, Eqs. (1 .66 ) and (1 .67 ) can also...

Ngày tải lên: 13/08/2014, 16:21

... 83 26 9 .6 14 3.9±5 .6 10 1 56 1.00 25 26 97 32 11.5±14.8 4 .6 6. 0 11.5 174 1.05 30 31 109 40 13± 16. 4 5.2 6. 6 14 201 1.10 35 36. 5 124 48.5 14.5±17.2 5.8 6. 9 16 212 1.15 40 42.5 140 57 16 20 6. 4±7.8 ... is S e  48X6 ksi. The estimated S±N curve is plotted in Fig. 3 .6. From the estimated S ±N curve, the peak alternating strengths at 10 4 and 10 5 cycles are, respectively, 76. 2 a...

Ngày tải lên: 13/08/2014, 16:21

... parabola is tangent to the tooth outline. The bending stress s is s  6M Bt 2  6F t h Bt 2 Y 2X48 and F t  sBt 2 a6hsBt 2 a6hppY 2X49 where M  F t h is the bending moment, h is the distance ... c 2 sin 2 f q  60 X 061 mm b r ap  52X5mm r amaxg   r 2 bg  c 2 sin 2 f q  77X083 mm b r ag  75 mmX Clearly, the use of standard teeth would not cause...

Ngày tải lên: 13/08/2014, 16:21

... used: k m  o 2 Y F 0 m  qX 2X 66 Equation (2 .65 ) can be written as  x  o 2 x  q sin ptY 2X67 with the solution x  C 1 sin ot  C 2 cos ot  x p X 2X68 The particular solution x p of ... in Fig. 2.28. For Figure 2. 26 In¯uence of cac cr on the magni®cation factor A 2 . Figure 2.27 Mechanical model of a damped system with arbitrary exciting force. 366 Theory of Vibration Vibr...

Ngày tải lên: 13/08/2014, 16:21