answers_to_selected_exercises-1

answers_to_selected_exercises-1 - ANSWERS TO END-OF-CHAPTER...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: ANSWERS TO END-OF-CHAPTER PROBLEMS Fundamentals of Heat and Mass Transfer (6th Edition) Introduction to Heat Transfer (5th Edition) F.P. Incropera D.P. DeWitt T.L. Bergman A.S. Lavine CHAPTER 1 1.1 14.5 W/m 2 , 58 W 1.2 2667 W 1.3 4312 W, $4.14/d 1.4 0.10 W/m K 1.5 8400 W 1.6 19,600 W, 120 W 1.7 54 mm 1.8 16.6 W/m 2 , 35.9 W 1.9 375 mm 1.10 110.40C, 110.24C 1.11 1.1C 1.12 (a) 9800 W/m 2 1.13 (a) 1400 W/m 2 ; (b) 18,000 W/m 2 1.14 (a) 22.0 W/m 2 K; (b) 22.12, 0.6 1.15 4570 W/m 2 K, 65 W/m 2 K 1.16 51.8C, 3203 C 1.17 6.3 m/s 1.18 0.35 W, 5.25 W 1.19 2.94 W 1.21 15 mW 1.22 6.3 W/m 2 K 1.23 102.5C 1.25 254.7 K 1.27 0.42, 264 W 1.28 (a) 18,405 W; (b) $6450 1.30 3.5% 1.31 (a) 0.223 W; (b) 3.44 W 1.32 (a) 8.1 W; (b) 0.23 kg/h 1.33 100C 1.34 (a) 0, 144 W, 144 W, 0; 0, 144 W, 144 W, 0; (b) 2.04 10 5 W/m 3 ; (c) 39.0 W/m 2 K 1.35 (a) 0.052C/s; (b) 48.4C 1.36 375 W, 1.8 10-4 W, 0.065 W 1.37 6380 kWh, $510 or $170 1.38 (a) 4180 s; (b) 319 K, 359 K; (c) 830 K 1.39 (a) 0.0181 m 3 /s, 4.7 m/s; (b) 5.97 W 1.40 840 kW 1.41 (a) 32.5 kW/m 2 , 126 kW/m 2 , 17.6 K/s, 68.6 K/s 1.43 (a) 104 K/s; (b) 1251 K 1.46 (a) 1950 A 1.47 132 J/kg K 1.48 (a) 0.084 K/s; (b) 439 K 1.49 (a) 1.41 10-3 kg/s 1.50 3.2 h 1.51 (a) 60.6 10-3 kg/s m 2 , 121 g/m 2 ; (b) 32.3 10-3 kg/s m 2 1.53 49C 1.54 (a) 7.13 10-3 m 3 /s; (b) 70C 1.55 (a) 86.7C; (b) 47C 1.56 (a) 0.044 K/s; (b) 230 W, 230 W 1.57 (a) 26 C; (b) 4.0 10-5 /s 1.58 (b) 80 C 1.59 12.2 W/m 2 K, 12.2 W/m 2 C 1.60 (a) 600 K 1.61 375 W/m 2 K 1.62 (a) 5500 W/m 2 ; (b) 87.8C 1.63 (a) 5268 W; (b) 41C 1.65 345C 1.66 (a) 84C 1.67 214 K, 20.0 mW 1.68 (a) 190.6 W 1.69 (a) 153C 1.70 (a) 386 W/m 2 ; (b) 27.7C; (c) 55% 1.71 (a) 47.0C or 39.9C CHAPTER 2 2.8 (a) 280 K/m, 14.0 kW/m 2 ; (b) 80 K/m, 4.0 kW/m 2 ; (c) 110C, 8.0 kW/m 2 ; (d) 60C, 4.0 kW/m 2 ; (e) 20C, 10.0 kW/m 2 2.9 (a) 2000 K/m, 200 kW/m 2 ; (b) 2000 K/m, 200 kW/m 2 ; (c) 2000 K/m, 200 kW/m 2 2.11 0, 60 K/m 2.12 100C, 18.75 W; 40C, 16.25 W 2.14 1010 W, $1050; 151 W, $157; 10.1 W, $10 2.15 (a) 85 W 2.16 14.5 (Btu/h ft 2 F)-1 , 18 (Btu/h ft 2 F)-1 , 18 (Btu/h ft 2 F)-1 2.17 (a) 15.0 W/m K, 400 K; (b) 70.0 W/m K, 380 K 2.18 (b) 5.9 10-3 W/m K, (c) 0.74 10-3 C, (d) 25.02 C 2.19 765 J/kg K, 36.0 W/m K 2.22 (a) 0, 0.98 10 5 W/m; (b) 56.8 K/s 2.23 (a) 2 10 5 W/m 3 ; (b) 0, 10,000 W/m 2 2.24 (a) 200 W/m 2 , 182 W/m 2 , 18 W/m 2 ; (b) 4.3 W/m 2 K 2.25 (b) 2 10 5 W/m 3 ; (c) 2950 W/m 2 , 5050 W/m 2 ; (d) 51 W/m 2 K, 101 W/m 2 K; (f) 2 10 5 W/m 3 ; (g) 20C, 4.94 10 6 J/m 2 2.26 (a) 10 6 W/m 3 ; (b) 120C, 10 4 K/m, 10 5 K/m 2 ; (c) 220C, 10 4 K/m, 10 5 K/m 2 ; (d) 220C, 2 10 4 K/m, 2 10 5 K/m 2 2.40 (a) 0.20 m; (b) 0; (c) 144,765 W; (d) 72,380 W, 72,380 W 2.41 (d) 133C, 122C, 133.1C 2.43 (d) 52.5C 2.45 (c) 18.0 kW/m(c) 18....
View Full Document

This note was uploaded on 03/26/2008 for the course ES 3 taught by Professor A during the Spring '08 term at Tufts.

Page1 / 29

answers_to_selected_exercises-1 - ANSWERS TO END-OF-CHAPTER...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online