... air heater duct with V-shaped rib roughness on absorber plate. Int. Journal of Heat and Mass Transfer 2002; 45: 33 83- 33 96. [19] Muluwork K B. Investigations on fluid flow and heat transfer in ... Transactions of the ASME Journal of turbo machinery 1991b; 1 13: 36 7- 37 4. [8] Hu Z. and Shen J. Heat transfer enhancement in a conversing passage with discrete ribs. Int. Journal Heat and Mass Transfer ... heated wall in transverse, inclined, V-continuous and V- discrete pattern. Int. Journal of Heat Mass Transfer 20 03; 30 (2): 241-250. [17] Bhagoria J.L. and Sahu M.M. Augmentation of heat transfer...
Ngày tải lên: 05/09/2013, 16:10
... JETP, vol. 39 , pp. 37 5 37 7, 1974. 4. T. Q. Qiu and C. L. Tien, Heat Transfer Mechanisms during Short-Pulse Laser Heating of Metals, ASME J. Heat Transfer, vol. 115, pp. 835 –841, 19 93. 5. T. Q. ... Thermal Lagging in Ultrafast Laser Heating, Int. J. Heat Mass Transfer, vol. 44, pp. 1725–1 734 , 2001. 10. L S. Kuo and T. Q. Qiu, Microscale Energy Transfer during Picosecond Laser Melting of Metal ... LASER PROCESSING OF METAL 2 23 Downloaded By: [Ingenta Content Distribution] At: 19:07 13 December 2007 Similar delays in the beginning of melting were observed during experiments on aluminum films...
Ngày tải lên: 06/05/2014, 08:53
hydrodynamics, mass, and heat transfer in chemical engineering, crc (2002) - opet
... 3& apos;. Plane straining flow: This flow can be obtained in the Taylor device, consisting of four rotating cylinders [474,475]. Note that flow 2' is the same as flow 3& apos; but in ... E2, E3 of the tensor [Ek,] reduced to the principal axes determine the intensity of tensile (or compressive) motion along the coordinate axes. Since the fluid is incompressible, only two of ... contain tables with exact solutions of the heat equation. In addition, the equation of convective diffusion, the continuity equation, equations of motion in some curvilinear orthogonal coordinate...
Ngày tải lên: 02/04/2014, 15:52
Ptinciples of heat transfer
... (a) -in. aluminum, (b) -in. stainless steel with a 1 -in thick layer of fiberglass insulation on the inside, and (c) of sandwich construction with a -in thick layer of stainless steel, a 1 -in thick ... K) Heat transfer rate 1 W ϭ 3. 412 Btu/h 1 Btu/h ϭ 0.2 931 W 1 ton ϭ 12,000 Btu/h ϭ 35 17.2 W Length 1m ϭ 3. 281 ft 1 ft ϭ 0 .30 48 m ϭ 39 .37 in 1 in ϭ 0.0254 m Mass 1 kg ϭ 2.2046 lb m 1 lb m ϭ 0.4 536 ... Relation of Heat Transfer to Thermodynamics 3 1.2 Dimensions and Units 7 1 .3 Heat Conduction 9 1.4 Convection 17 1.5 Radiation 21 1.6 Combined Heat Transfer Systems 23 1.7 Thermal Insulation 45 1.8 Heat...
Ngày tải lên: 08/04/2014, 11:00
heat transfer in femtosecond laser
... JETP, vol. 39 , pp. 37 5 37 7, 1974. 4. T. Q. Qiu and C. L. Tien, Heat Transfer Mechanisms during Short-Pulse Laser Heating of Metals, ASME J. Heat Transfer, vol. 115, pp. 835 –841, 19 93. 5. T. Q. ... Thermal Lagging in Ultrafast Laser Heating, Int. J. Heat Mass Transfer, vol. 44, pp. 1725–1 734 , 2001. 10. L S. Kuo and T. Q. Qiu, Microscale Energy Transfer during Picosecond Laser Melting of Metal ... PROCESSING OF METAL 229 HEAT TRANSFER IN FEMTOSECOND LASER PROCESSING OF METAL Ihtesham H. Chowdhury and Xianfan Xu School of Mechanical Engineering, Purdue University, West Lafayette, Indiana,...
Ngày tải lên: 06/05/2014, 08:55
molecular dynamics simulation of heat transfer and phase change during
... Study of Light-to -heat Absorption Mechanism in atomic Systems," International Journal of Heat and Mass Transfer, 41, pp. 839 -849. 3. Häkkinen, H., and Landman, U., 19 93, "Superheating, ... which is higher than the melting point, indicating superheating at the melting front. 9 10 11 12 13 14 15 16 0 5 10 15 20 25 30 Solid-liquid Interface Liquid-vapor Interface z (nm) Time (ps) (a) ... are obtained. First, during picosecond laser heating, the heat transfer process predicted using the continuum approach agrees with the result of the MD simulation. Second, when melting happens,...
Ngày tải lên: 06/05/2014, 08:55
molecular dynamics simulation of heat transfer and phase change during
... the melting interface region. The temperature in this flat region is around 90 K, which is higher than the melting point, indicating superheating at the melting front. 9 10 11 12 13 14 15 16 0 ... the increase of the atomic kinetic energy in laser heating, atoms vibrate more in the crystal region, causing a lower peak of the number density of atoms and a wide distribution. As laser heating ... of predicting the heating process induced by a picosecond laser pulse. Laser Induced Phase Change In this section, various phenomena accompanying phase change in an argon target illuminated...
Ngày tải lên: 06/05/2014, 08:57
molecular dynamics simulation of heat transfer and phase change during
... Study of Light-to -heat Absorption Mechanism in atomic Systems," International Journal of Heat and Mass Transfer, 41, pp. 839 -849. 3. Häkkinen, H., and Landman, U., 19 93, "Superheating, ... the melting interface region. The temperature in this flat region is around 90 K, which is higher than the melting point, indicating superheating at the melting front. 9 10 11 12 13 14 15 16 0 ... the increase of the atomic kinetic energy in laser heating, atoms vibrate more in the crystal region, causing a lower peak of the number density of atoms and a wide distribution. As laser heating...
Ngày tải lên: 06/05/2014, 08:59
UNIT 3-WAYS OF SOCIALISING-Test 3
... given. 31 . In / nose / Japan / in / blowing / your / public / considered / rude / is. a. Blowing your nose is considered in rude public in Japan. b. In Japan, public is considered rude in blowing ... even intimidating. It is rude to stand with your hand or hands in your pockets, especially when greeting someone (46) _____ when addressing a group of people. The seemingly simple act of exchanging ... language- the meaning of a shrug, a pout, or a smile. Speech thus often includes not only a face-to-face meeting, but also a meeting of the minds. "Conversation," Steven Pinker notes,...
Ngày tải lên: 01/07/2014, 19:00
ANH VĂN LỚP 12 UNIT 3 WAYS OF SOCIALISING pot
... ANH VĂN LỚP 12 UNIT 3 WAYS OF SOCIALISING VOCABULARY Verbal : bằng lời Probably : hầu như chắc chắn For example = For instance : ví dụ Non-verbal : không lời ... : chơi khăm Terrible : kinh khủng Suit : hợp Badminton : cầu lông Pair of glasses : cặp mắt kính Watch : đồng hồ đen tay Modern- looking : trông hiện đại Pair of shoes : đôi giày Jacket ... lịch sự Simply : đơn giản Interruption : sự gián đoạn Common : thông thường District : quận Run : điều hành Office : văn phòng Interpret : giải thích Meaning : ý nghĩa Slump : nặng...
Ngày tải lên: 01/07/2014, 21:21
Giáo án anh văn lớp 12 - Unit 3: WAYS OF SOCIALISING - LANGUAGE FOCUS docx
... Work in pair- group Listen Work in a group of two then three Unit 3: WAYS OF SOCIALISING Part E: LANGUAGE FOCUS: * Stress in two-syllable words ... to be going then otherwise she would be late for school. individually -in pair-group. Ask ss to work in pair-group. Check Ask ss to work in a group of two then ... *PRACTISE : 1.Linda Cupple is a social worker in my village 2.Shakespeare was a famous English writer 3. David Warren is Linda’s teacher’s doctor 4.Janet is having a number of problems 5.Michael...
Ngày tải lên: 03/07/2014, 21:21
Giáo án anh văn lớp 12 - LESSON 3 : WAYS OF SOCIALISING pptx
... 3 Warm –up MATCHING a.pointing at someone b.being late for class c.making mistakes d.being into the farewell 1. saying goodbye 2.admitting one’swrongdoing 3. saying“I’m ... class c.making mistakes d.being into the farewell 1. saying goodbye 2.admitting one’swrongdoing 3. saying“I’m sorry I’m late ” 4. being rule and impolite Key: a+4; b +3; c+2 ; d+ 1 ... we have done something to hurt someone’s feeling, we apologize. 3. An apology indicates that we realize we’ve made a mistake , and we’re sorry for it 4.It’s a way of expressing our regret or...
Ngày tải lên: 03/07/2014, 21:21
ĐỀ KIỂM TRA TRẮC NGHIỆM THEO CHỦ ĐỀ BÀI HỌC Unit 3: WAYS OF SOCIALIZING pptx
... succeeded their work in time. A. finished B. to finish C. finishing D. in finishing 31 . Elvis Presley_____________ in 1977. A. dies B. died C. is died D. was died 32 . They showed the. photos ... _____________ in large letters. A. to write B. writing C. written D. that wrote 28. The number of cars on the roads ______________ . A. is increasing B. are increasing C. are increased D. have increased ... prefers being a comedian. D. He should practise cooking more. 45. Which of the following is the best description of the writer? A. The popular TV comedian who enjoys cooking, watching football,...
Ngày tải lên: 26/07/2014, 16:20
ĐỀ KIỂM TRA TRẮC NGHIỆM THEO CHỦ ĐỀ BÀI HỌC Unit 3: WAYS OF SOCIALIZING doc
Ngày tải lên: 27/07/2014, 06:20
ENGLISH 12 (2010 – 2011) UNIT 3: WAYS OF SOCIALIZING (from period 11 to 15) pptx
Ngày tải lên: 27/07/2014, 09:21
ĐỀ KIỂM TRA TRẮC NGHIỆM THEO CHỦ ĐỀ BÀI HỌC - Unit 3: WAYS OF SOCIALIZING pptx
Ngày tải lên: 27/07/2014, 09:21
Ways of expressing future in English ─ How Vietnamese learners learn and use them effectively
Ngày tải lên: 23/08/2014, 21:22