Design and Optimization of Thermal Systems Episode 3 Part 8 ppsx

... 38 0.2 36 5 91 .85 197 0.9672 1.010 1 .39 84 21 . 38 31 .14 0.694 36 5 .8 38 2 .8 37 0 96 .85 206 0.9 539 1.011 1 .39 81 21.60 31 .50 0.6 93 370 .8 38 5.4 37 5 101 .85 215 0.94 13 1.011 1 .39 78 21 .81 31 .86 0.692 37 5.9 38 8. 0 38 0 ... 39 5.5 39 5 121 .85 251 0 .8 936 1.014 1 .39 64 22.65 33 .31 0. 689 39 6.1 39 8. 0 400 126 .85 260 0 .88 22 1.014 1 .39 61 22...

Ngày tải lên: 06/08/2014, 15:21

... Design and Optimization of Thermal Systems with w 1  w 2  1 and 1.4w 1  2.2w 2  0 From these equations, w 1  0.611 and w 2  0 . 38 9. Therefore, C *  (3. 5/0.611) 0.611 (14 .8/ 0 . 38 9) 0 . 38 9  ... W 1 W 2 W 3 . (c) Response surface for the objective function F for W 1 W 2 W 3 / 2. 554 Design and Optimization of Thermal Systems Stoecker...

Ngày tải lên: 06/08/2014, 15:21

... brackets in Equation (8 .32 ) must be zero. Therefore, t t t t U y G y L 0 (8 .33 ) Also, from Equation (8 .31 ), t t t t U x G x L 0 (8 .34 ) Then Equation (8 .33 ) and Equation (8 .34 ), along with the ... c 3 φ = c 4 φ = c 2 φ = c 1 dφ = 0 dx x 480 Design and Optimization of Thermal Systems understanding the basic characteristics of the Lagrange multiplier me...

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... 20 506 Design and Optimization of Thermal Systems 8 .3. The cost C in a metal forming process is given in terms of the speed U of the material as C KS U U Ô Ư Ơ à Đ â ă ă ả á Ã Ã 35 21 73 3 18 16 25 2 . . . . . ... kg/m 3 . Using the method of Lagrange multipliers, nd the dimen- sions of the can that will minimize cost. D L Welding FIGURE P8.2 Pipe x D Insul...

Ngày tải lên: 06/08/2014, 15:21

... as xyU 0.5 1. 633 9 .84 0 1.944 1. 633 6. 788 1.944 0 .82 8 5.5 98 2. 4 38 0 .82 8 5.456 2. 4 38 0.740 5.4 28 2. 532 0.740 5.4 23 2. 532 0.726 5.4 23 2.5 48 0.726 5.422 2.5 48 0.7 23 5.422 2.550 0.7 23 5.422 2.550 0.7 23 5.422 For ... in the following table: rxyxyU 0 .3 2.15 3. 86 8 .30 28. 55 0.5 2 .33 4.20 9.79 31 .86 1.0 2 .39 4. 58 10.96 34 .32 10.0 2.46 4 .84 11.90 3...

Ngày tải lên: 06/08/2014, 15:21

... Cost to D2 Cost to D3 C1 27 31 37 C22 930 31 C 3 38 3 433 The optimal path for each subsection is underlined. We can similarly consider reaching E1, E2, and E3 through D1, D2, and D3. In each case, ... Optimal Design, 2nd. ed., Cambridge University Press, New York. Stoecker, W.F. (1 989 ) Design of Thermal Systems, 3rd ed., McGraw-Hill, New York. 576 Design and Optimi...

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... locations given as A–1 A–2 A 3 A–4 1–D 2–D 3 D 4–D 10 14 12 15 16 12 10 8 and 1–1 1–2 1 3 1–4 2–1 2–2 2 3 2–4 16 20 14 17 12 14 15 6 3 1 3 2 3 3 3–4 4–1 4–2 4 3 4–4 10 11 13 18 8 11 14 22 Determine ... amount of time in going from A to D. A D CB 44 33 22 11 FIGURE P10.20 604 Design and Optimization of Thermal Systems to enable accurate results to be obtained...

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... constraints. 6 28 Design and Optimization of Thermal Systems 11.5 AN OVERVIEW OF DESIGN OF THERMAL SYSTEMS Basic aspects. In this book, we have considered the design and optimization of systems in which thermal ... in most problems of practical interest and are of particular signicance in optimization since minimization of costs and maximizatio...

Ngày tải lên: 06/08/2014, 15:21

... 3. 082 3E 00 3. 388 1E 01 8. 586 8E-01 8. 1109E-01 11 2 .8 537 E 00 4. 037 7E 01 8. 4 83 0 E-01 7.9641E-01 12 2.6 683 E 00 4.7248E 01 8 . 38 12E-01 7 .82 09E-01 13 2.5 036 E 00 5.4455E 01 8. 281 2E-01 7. 681 3E-01 14 2 .36 67E ... 0.452 73 2.026 87 73 67 62 55 48 40 36 35 36 1% 7 ,86 5 0.46 50 1 . 38 8 2% 7 ,86 5 0.46 38 1.050 36 36 36 36 35 33 5% 7 ,84 9 0.46 22...

Ngày tải lên: 06/08/2014, 15:21

... environmental systems, 33 6 34 2, 33 8 34 2 three-dimensional problem, 33 9 two-dimensional surface ow due to, 34 1 702 Design and Optimization of Thermal Systems optimization of, 433 priority for changing, 32 2 sensitivity ... pipes, 28 Heat pumps, 35 , 36 , 37 use of design libraries for, 30 4 Heat rejection, 32 , 37 1, 451–452 acceptable system design...

Ngày tải lên: 06/08/2014, 15:21