ADVANCED THERMODYNAMICS ENGINEERING phần 10 docx

... -1745.7112 960 100 0.55 97.00 725.02 28.40 2.92128 -1803.8788 980 102 3.25 105 .2 741.98 26.73 2.94468 -1862.5364 100 0 104 6.04 114.0 758.94 25.17 2.96770 -1921.66 102 0 106 8.89 123.4 776 .10 23.72 2.99034 ... -2729.2888 1280 1372.24 310. 4 100 4.76 11.835 3.25 510 -2794.288 1300 1395.97 330.9 102 2.82 11.275 3.27345 -2859.515 1320 1419.76 352.5 104 0.88 10. 747 3.29160 -2925.1...

Ngày tải lên: 08/08/2014, 15:21

... taught several courses at Texas A&M including Advanced Thermodynamics, Combustion Science and Engineering, Conduction at the graduate level and Thermodynamics, Heat Transfer, Com- bustion and ... Number 20 0103 5624 Printed in the United States of America 1 2 3 4 5 6 7 8 9 0 Printed on acid-free paper Library of Congress Cataloging-in-Publication Data Annamalai, Kalyan. Advanced...

Ngày tải lên: 08/08/2014, 15:21

... T 1 ). Substituting for (T 2 – T 1 ) = 10 C, and using a negative sign for the electrical work transfer to the system c p = (30×0.26× 110 100 0)÷(0.1 10) = 0.85 kJ kg –1 K –1 . Since V = constant, ... 8–(–2) = 10 m s –1 . If the cross-sectional area through which leakage occurs is 1 mm 2 , assuming the density of air to be 1.1 kg m –3 , the mass flow exiting the deforming balloon equals...

Ngày tải lên: 08/08/2014, 15:21

... ideal gas tables (Tables A-12) also, e.g., s(393 ,100 ) – s (273,0.611)= (s 0 (393) – R ln (100 /100 )) – (s 0 (273) – R ln (0.611 /100 )) where P ref = 100 kPa The stirring process is irreversible. ... 40 × 3 = 2.7 m 2 . (C) Since, h C/λ = 100 0, h = 100 0 × 70 × 10 –6 ÷ 0.15 = 0.467 kW m –2 K –1 . (D) Using Eqs. (B), (C), and (D), ˙ Q = 0.462 × 2.3 × ( 1100 – 900) = 252 kW. (E) h...

Ngày tải lên: 08/08/2014, 15:21

... (0.21/1)) + 100 × (0.08314 × 298/0.21) = –46981 kJ kmole –1 . Likewise, φ N 2 ,∞ (T 0 ,p N2 , ∞ ) = 6190 – 298 × (191.5 – 8.314 × ln (0.79/1)) + 100 × (0.8314 × 298/0.79) = 6190–298 × 193.5 + 100 × ... reservoirs, the balance equation assumes the form Gas at 400 C Air at 200C Steam at 100 C Water at 100 C T a,i T a,e Q Figure 10: A fire tube in which hot gases flow in a boiler. The maxi...

Ngày tải lên: 08/08/2014, 15:21

... = – 5 10 –5 K –1 × 298K ÷ (8.7 × 10 –7 bar –1 ÷ 100 kPa bar –1 ) ÷ 0.386 kN m kg –1 K –1 = –4.4370 10 6 K kg m –3 . On compression dT s = (∂T/∂v) s dv = –4.437 10 6 × (–8 .106 10 –7 ) ... β P = 5 10 –5 K –1 , β T = 8.7 10 –7 bar –1 , c = c v = 0.386 kJ kg –1 K –1 , v = 1.36 10 –4 m 3 kg –1 , and the temperature is 25ºC? What is the temperature rise if dv = –8 .106...

Ngày tải lên: 08/08/2014, 15:21

... 26.765 † B o 0. 0103 0 0.11 4107 7 0.2865 0.4757 .025 .00377 –.001573 0.17594 † C o 0.0 130196.35 0 0 –154808. 50208 0.292 10 –6 –.27 10 –7† D o 0.0 –0.329 10 –4 –2.276 10 –4 2.893 10 –4 0.0 0.0 0.5283 10 –5 –0 .103 10 –6† E o 1.135 10 –7 6.740 10 –8 1. ... 50208 0.292 10 –6 –.27 10 –7† D o 0.0 –0.329 10 –4 –2.276 10 –4 2.893 10 –4 0.0 0.0 0.5283 10 –5 –0 .103 10 –6† E o 1.1...

Ngày tải lên: 08/08/2014, 15:21

... formation of metastable liquid drops. The associated drop size is r d = 2 10. 5 10 –6 /((55–50) 100 ) = 0.042 µm p. Example 16 10. 5 10 –6 kN m and the liquid molar volume to be 0.018 m 3 kmole -1 . Solution The ... metastable state. The bubble radius r B = 2 σ/(P E – P Μ ), i.e., (A) r B = (2 10. 5 10 –6 )/((155–133) 100 ) = 9.549 10 –9 m. Eq. (A) indicates that higher the value...

Ngày tải lên: 08/08/2014, 15:21

... the case of water, P sat = 0.07384 bar at 40ºC, and POY = exp( vdP RT/( ) .0 074 10 ∫ ) = exp(0.0 0101 × (10 0.074) 100 ÷(0.461×313)) = exp(0.0000695) = 1.007 ≈ 1. (C) Therefore, f HO 2 ()l (T,P)/ f HO 2 ()l (T,P sat ) ... (p H 2 )(p O 2 ) 0.5 /(p HO 2 ), and (G) OH → 1/2H 2 + 1/2 O 2 , K OH = (p H 2 ) 0.5 (p O 2 ) 0.5 /(p OH ). (H) 0.1 1 10 100 100 0 100 00 0.0003 0.0004 0.0005 0.0...

Ngày tải lên: 08/08/2014, 15:21

... Prefix Symbol 10 12 tera T 10 9 giga G 10 6 mega M 10 3 kilo k 10 2 hecta h 10 deca da 10 –1 deci d 10 –2 centi c 10 –3 milli m 10 –6 micro µ 10 –9 nano n 10 –12 pico p 10 –15 femto f 10 –18 atto ... kPa Unit SI units acre 4046.9 m 2 Angstrom 1.0x10 -10 m atmosphere 101 325 Pa bar 1 10 5 Pa BTU 105 5.1 J day 86400 s ºR 0.555556 K ft 0.3048 m gal 3.7854 10 –3...

Ngày tải lên: 08/08/2014, 15:21