Design and Optimization of Thermal Systems Episode 2 Part 4 doc

... states. 3 04 Design and Optimization of Thermal Systems Library of Previous Designs Any industry involved with the design of systems and equipment would generally develop many successful designs ... design 4. Modeling of the system 5. Simulation of the system 6. Evaluation of the design 7. Selection of an acceptable design Optimization of the design...

Ngày tải lên: 06/08/2014, 15:20

... = T( 14) = T(15) = T(16) = T(17) = T(18) = T(19) = T (20 ) = T (21 ) = T (22 ) = T (23 ) = T ( 24 )= T (25 ) = T (26 ) = T (27 ) = T (28 ) = T (29 ) = 1 14. 6578 109.7 928 105.3803 101.3981 97. 826 3 94. 646 7 91. 843 4 89 .4 022 87.3109 85.5588 84. 1371 83.0388 82. 2581 81.79 14 81.6360 81.79 14 82. 2581 83.0388 84. 1371 85.5588 87.3109 89 .4 022 91. 843 4 94. 646 7 97. 826 3 101...

Ngày tải lên: 06/08/2014, 15:20

... 5 .22 . (b)(a) T 4 T 4 yy L Q s h h W m 3 q''' h T a T 4 FIGURE 5 .22 Model of an electric circuit board, as considered in Example 5.5. 330 Design and Optimization of Thermal Systems 3. ... 1.00.80.60 .40 .2 0.0 0.0 40 .0 80.0 120 .0 T – T a (°C) 160.0 20 0.0 Y (a) Temperature limit Q = 10 × 20 0 W Q = 8 × 20 0 W Q = 5 × 20 0 W Q = 3 × 20 0 W...

Ngày tải lên: 06/08/2014, 15:20

... losses and may be written as p V gz p V gz fL D V K V h 1 1 2 12 2 2 2 22 22 2   R R R R RR 33 22 (5.30) where the subscripts 1 and 2 refer to two locations in the ow, g is the magnitude of ... crystal-growing process. Acceptable Design of a Thermal System 349 Therefore, h o  r  5 74 0 015 0 02 43 1 . .W/(m K) 2 and U  1 1 541 8 9 1 43 1(/ . ) (...

Ngày tải lên: 06/08/2014, 15:20

... 168.69990 168.69990 168.69990 168.69990 168.69990 168.69990 168.69980 168.69970 168.69950 168.69900 168.69830 168.69680 168.6 941 0 168.68890 168.67910 168.66060 168. 625 10 168.55670 168. 42 1 90 168. 145 10 167. 527 70 165.87 840 158.95630 105.65780NH3: NH3: NH3: NH3: NH3: NH3: NH3: NH3: NH3: NH3: NH3: NH3: NH3: NH3: NH3: NH3: NH3: NH3: NH3: NH3: NH3: NH3: NH3: NH3: FLOW: FLOW: FLOW: FLOW...

Ngày tải lên: 06/08/2014, 15:20

... T a , as d d HF Q T QQ QQ 1  12 1 1 2 ()(,) (4. 44a) d d HH G Q T QQQQQ 2     22 3 2 1 1 2 ()(,) (4. 44b) where H hA CV H hA CV H hA CV 1 11 111 2 22 222 3 11 22 2  RRR , Then the analytical ... equations 7c 1 c 2 2 c 3 c 4 3.7 c 1 2 8c 2 3c 3 c 4 4. 9 2c 1 2c 2 5c 3 c 4 2 8.8 c 1 c 2 c 3 2 14c 4 18 .2 Numerical Modeling and Simula...

Ngày tải lên: 06/08/2014, 15:20

... 110 .47 110. 52 110. 52 2 120 .0 121 .0 122 . 04 122 . 14 122 . 14 5 150.0 161.05 1 64. 53 1 64. 86 1 64. 87 10 20 0.0 25 9.37 27 0.70 27 1.79 27 1.83 20 300.0 6 72. 75 7 32. 81 738.70 738.91 30 40 0.0 1 744 . 94 1983. 74 20 07.73 ... 10 % 12 % 15 % 5 128 .36 148 .98 1 64. 53 181.67 21 0. 72 10 1 64. 71 22 1.96 27 0.70 330. 04 444 . 02 15 21 1.37 330.69 44 5.39 599.58...

Ngày tải lên: 06/08/2014, 15:20

... n  10 n  15 1 33.3 20 .0 14. 3 10.0 5.0 2 44 .5 32. 0 24 .5 18.0 9.5 3 14. 8 19 .2 17.5 14. 4 8.6 4 7 .4 11.5 12. 5 11.5 7.7 5 11.5 8.9 9 .2 6.9 6 5.8 8.9 7 .4 6 .2 7 8.9 6.6 5.9 8 4. 5 6.6 5.9 9 6.5 5.9 10 ... to pay off this loan can be calculated from the formula given in Equation (6 .20 b). Then, i 0.1, n 2, and m 12, and we obtain S (136,833. 62) (./)( ./) (./) 0 1...

Ngày tải lên: 06/08/2014, 15:20

... rates of 4, 6, and 10%. Compare the results obtained with $150,000 Down payment $30,000 Salvage 109876 54 321 Years FIGURE P6 . 24 44 0 Design and Optimization of Thermal Systems and H i (x 1 , x 2 , ... formulation of the problem are 1. Determination of the design variables, x i where i  1, 2, 3, . , n 2. Selection and denition of the objective functi...

Ngày tải lên: 06/08/2014, 15:21

... 22 , and 24 hours, T is obtained as 86.5, 97.7, 1 02. 0, 101.7, 92. 5, 62. 3, 55.0, 67.5, and 80.0nC, respectively. Obtain a best t assuming a variation of the form A sin (2 T / 24 )  B cos (2 T / 24 ) ... may be used to develop a trade-off curve in optimization. 47 0 Design and Optimization of Thermal Systems 7. 12. For the thermal systems considered in Example...

Ngày tải lên: 06/08/2014, 15:21