Design and Optimization of Thermal Systems Episode 3 Part 7 doc

... constraints. 628 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 maximization...

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... 1.4 676 E-01 13 3.4523E 00 2.8966E-01 7. 1 034 E 00 1.4 078 E-01 14 3. 79 75E 00 2. 633 3E-01 7 .36 67E 00 1 .35 75 E-01 15 4. 177 2E 00 2 .39 39E-01 7. 6061E 00 1 .31 47E-01 16 4.5950E 00 2. 176 3E-01 7. 8 2 37 E 00 1. 278 2E-01 18 ... 7, 865 0.46 38 1.050 36 36 36 36 35 33 5% 7, 849 0.46 22 0. 6 37 10% 7, 801 0.46 17 0.4 83 Tungsten steel, W = 0% 7, 8 97 0.452 73...

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... environmental systems, 33 6 34 2, 33 8 34 2 three-dimensional problem, 33 9 two-dimensional surface ow due to, 34 1 70 2 Design and Optimization of Thermal Systems optimization of, 433 priority for changing, 32 2 sensitivity ... 594–598 72 0 Design and Optimization of Thermal Systems System design applications, 32 2 32 3 component design vs. system...

Ngày tải lên: 06/08/2014, 15:21

... constant Δ G y (b) x 4.0 3. 0 2.0 1.0 4. 03. 0 3 2 1 2.01.00.0 U = x + y = 4 U*= 2 G = xy – 1 = 0 474 Design and Optimization of Thermal Systems seek the global extremum, which is usually unique and represents ... 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 mu...

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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 . . . . . ... m; $T *  140; Q *  77 .05 W; L 17. 2 It can be shown that if the constraint is increased from 5.6 to 5 .7, the heat transfer rate Q becomes 78 .77 ,...

Ngày tải lên: 06/08/2014, 15:21

... as xyU 0.5 1. 633 9.840 1.944 1. 633 6 .78 8 1.944 0.828 5.598 2. 438 0.828 5.456 2. 438 0 .74 0 5.428 2. 532 0 .74 0 5.4 23 2. 532 0 .72 6 5.4 23 2.548 0 .72 6 5.422 2.548 0 .7 23 5.422 2.550 0 .7 23 5.422 2.550 0 .7 23 5.422 For ... 0.844 5.528 2.245 0 .71 8 5. 475 2.295 0 .78 2 5.4 53 2 .38 5 0 .71 7 5. 438 2.41 0 .75 2 5. 431 2. 47 0 .71 6 5.4 27 2.48 0. 73 3 5.424 2.54 0. 7...

Ngày tải lên: 06/08/2014, 15:21

... yield U l * . () . . . .  ¤ ¦ ¥ ³ µ ´ ¤ ¦ ¥ ³ µ  1 012 0 6 67 675 1 6 67 0 6 67 ´´  1 6 67 32 31 . . This gives the minimum rate of energy loss as 120 – 32 .31  87. 69 kW, and thus the maximum rate of energy supply as 150 – 87. 69  62 .31 kW, as ... 0 From these equations, w 1  1.6 67 and w 2  –0.6 67. Therefore, U * . . . . . .  ¤ ¦ ¥ ³ µ ´   ¤ ¦ ¥ ³ µ ´  675...

Ngày tải lên: 06/08/2014, 15:21

... Cost to D2 Cost to D3 C1 27 31 37 C22 930 31 C 338 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, ... New York. Stoecker, W.F. (1989) Design of Thermal Systems, 3rd ed., McGraw-Hill, New York. 576 Design and Optimization of Thermal Systems and pw 4  p This syst...

Ngày tải lên: 06/08/2014, 15:21

... 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 an...

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... 35 0.2 31 0 36 .85 98 1. 139 1.0 07 1.40 13 18. 93 27. 01 0 .70 5 31 0 .3 3 53. 1 31 5 41.85 1 07 1.121 1.0 07 1.4010 19.15 27. 40 0 .70 4 31 5 .3 355.8 32 0 46.85 116 1.1 03 1.0 07 1.4008 19 .39 27. 78 0 .7 03 320.4 35 8 .7 32 5 ... 1. 075 1 .36 46 33 .32 52 .36 0.684 7 13. 7 5 23. 7 720 446.85 836 0.4901 1.080 1 .36 23 33. 92 53. 45 0.685 73 5 .2 531 .0 74 0 46...

Ngày tải lên: 06/08/2014, 15:21