Design and Optimization of Thermal Systems Episode 1 Part 2 pptx

... obtained Yes No Acceptable? Analysis and evaluation Experimental data Material properties Redesign Initial design Components Inputs FIGURE 1. 4 Schematic of a typical design procedure. 2 Design and Optimization of Thermal Systems those ... consideration of systems, components, and subsystems. The basic nature of thermal systems will be outlined, and exampl...

Ngày tải lên: 06/08/2014, 15:20

... Ozisik (19 85) and Incropera and Dewitt (20 01) in heat transfer, Fox and McDonald (20 03) and Shames (19 92) in uid mechanics, Howell and Buckius (19 92) , Cengel and Boles (20 02) and Moran and Shapiro ... com- bustion engine. (Figure 1. 16a adapted from Reynolds and Perkins, 19 77, and Figure 1. 16b from Moran and Shapiro, 19 96). 28 Design and Optimiza...

Ngày tải lên: 06/08/2014, 15:20

... equation t t  t t  t t  2 2 2 2 2 2 2 2 2 2 0 QQQ X L HY L WZ (3.6) z W H L x y FIGURE 3.9 Three-dimensional conduction in a solid block. Modeling of Thermal Systems 14 1 obtained instead of differential ... model of plume ow in a room re; and (c) ow diagram for material ow in an industry. 12 5 3 Modeling of Thermal Systems 3 .1 INTRODUCTION 3 .1. 1 I M...

Ngày tải lên: 06/08/2014, 15:20

... 609 11 .1. 5 Application to Thermal Systems 610 11 .2 Additional Constraints 6 21 11. 3 Professional Ethics 623 11 .4 Sour ces of In for mat ion 625 11 .5 An Overview of Design of Thermal Systems 628 11 .6 ... Materials 11 0 2. 6 Summary 11 3 References 11 5 Problems 11 6 Chapter 3 Modeling of Thermal Systems 12 5 3 .1 Introduction 12 5 3 .1. 1 Importance...

Ngày tải lên: 06/08/2014, 15:20

... solidicaiton. 58 Design and Optimization of Thermal Systems 2. 2 CONCEPTUAL DESIGN At the very core of any design activity lies the basic concept for the process or the system. The design effort ... Considerations in Design 71 3. Simulation of the system 4. Evaluation of different designs 5. Iteration and obtaining an acceptable design 6. Optimization of...

Ngày tải lên: 06/08/2014, 15:20

... ΔQT 2, o  T o o ΔT (2 .10 ) Constraints: (D 1 ) min < D 1 < D 2  2t 2 D 2 < (D 2 ) max L < L max (2 .11 ) Operating Conditions:  m 1 T 1, i (2 . 12 ) Fixed Quantities:  m 2  (  m 2 ) o o ... condi- tions, for given uids, as Q  F (D 1 , D 2 , L, t 1 , t 2 ,  mm 12 ,,T 1, i , T 2, i ) (2. 8) T 2, o  G (D 1 , D 2 , L, t 1 , t...

Ngày tải lên: 06/08/2014, 15:20

... (Touloukian and Ho, 19 72; American Society of Metals, 19 61; ASHRAE, 19 81; Eckert and Drake, 19 72; Incropera and Dewitt, 20 01) . In addition, properties such as thermal diffusivity A, where Ak/RC, and ... (K) 800.00 800.00 Material 900.00 10 00.00 11 00.00 12 00.00 13 00.00 20 000.0 Time (s) Gas 40000.0 0.00 20 000.0 Time (s) 40000.0 0.00 20 000.0 Time (s) Wal...

Ngày tải lên: 06/08/2014, 15:20

... solution Qa 1 exp (A 1 Z)  a 2 exp (A 2 Z) where aa 1 22 11 2 2 2 11    AA AAAA AAexp exp exp exp() () () () AAAAA 11 2 2 exp exp() () with AA 1 2 2 2 4 2 4 2    WW H WW H If W  0, A 1  H and ... approximations and simplications are made without adequate justication in order to derive relatively (d)(c) (a) (b) Isotherms Streamlines T 2...

Ngày tải lên: 06/08/2014, 15:20

...  £££ (3. 51) cxcx cxx x ,i ,i ,i ,i ,i 011 1 2 21 2 1 () ££ £  yy i £ (3. 52) cxcxxc x xy ,i ,i ,i ,i ,i i0 21 1 22 2 2 2 () ££ £  ££ (3.53) 17 8 Design and Optimization of Thermal Systems Dynamic ... 3 .25 is yaaxax bbxbxx ccx         0 12 2 0 12 3 1 0 12 2 2 2 2    cx x 22 2 1 2 (3.34) 3.5 .2 BEST FIT The data obtained in man...

Ngày tải lên: 06/08/2014, 15:20

... investigated and the experimental results are tabulated as C (g/m 3 ) 0 .1 0 .2 0.5 1. 0 1. 2 1. 8 2. 0 2. 6 3.5 4.0 R(g/s) 1. 75 1. 91 2. 07 2. 32 2.40 2. 54 2. 56 2. 53 2. 03 1. 24 Using the method of least squares and ... transfer, and data analysis, are often governed by linear systems. A system of n linear equations may be written in the general form ax...

Ngày tải lên: 06/08/2014, 15:20