vol 2 p wexler elsevier 2005 ww

... distillation 2. 1.Introduction 2. 2 Thermodynamic interpretation References 22 2 22 2 22 2 22 3 22 4 23 0 23 0 23 1 23 9 Chapter Membrane distillation Introduction Separation principle 2. 1 MD phenomenon 2. 2 Definition ... 1, 2, and 4.316 4. 321 4 .27 1 4.057 4.068 4.134 4.066 3.746 3. 825 3.964 3.881 3.488 3.619 3.808 3.713 3 .27 2 2. 310 2. 319 2. 605 3.030 2. 311 2. 266 2. 644 2. 845 2. 3 12 2 .21 5 2. 668 2. 688 2. 313 2. 167 2. 6 82 ... 6.1 Desalination 6 .2 Concentration of aqueous solution 6.3 Separation of volatile component References 25 6 25 7 25 9 26 2 27 2 27 6 28 0 28 2 28 5 28 5 29 6 310 310 313 316 317 Chapter Pressure-swing distillation...

Ngày tải lên: 01/04/2014, 11:32

... and C correspond to i = 1, 2, and 3, respectively If component C is the N,th component, Eqs 2. 21 and 2. 32 yield - PC) - LABV(PB - PC) f A = -LAAv(PA -~ JB = - L B A v ( P A f c = -LCAV(PA - ~ c-) ... operative process in a material at constant T, then Eq 2. 15 reduces t o TU=-&.Vc$ (2. 52) Using Ohm's law, Because U & = -pV4, T =p c l U $2 and lVc$12is positive, (2. 53) p must be positive 2. 2 ... -L21- 8% + dX dX dX dX =~ ~ L22F2 3 - L 22- dX = -L21 d (P1 - P V ) dX dX - L 22 d (P2 (3.7) - Pv) dX and J$ = - ( J f J,C) by Eq 3.6 Assumption of local equilibrium permits the Gibbs-Duhem relation...

Ngày tải lên: 11/08/2014, 10:22

... Available to the public from the National Technical Information Services, U.S Department of Commerce, 528 5 Port Royal., Springfield, VA 22 161 Order No DE930 122 25 DOE-HDBK-1017 /2- 93 MATERIAL SCIENCE ... information will provide personnel with a foundation for understanding the properties of facility materials and the way these properties can impose limitations on the operation of equipment and systems ... initial development phase Training guidelines from the commercial nuclear power industry, results of job and task analyses, and independent input from contractors and operations-oriented personnel...

Ngày tải lên: 11/08/2014, 14:20

... PRESSURIZED THERMAL SHOCK Definition Evaluating Effects of PTS Locations of Primary Concern Summary ... Thermal Shock DOE-HDBK-1017 /2- 93 TABLE OF CONTENTS TABLE OF CONTENTS LIST OF FIGURES ... PTS Locations of Primary Concern Summary Rev Page i ...

Ngày tải lên: 11/08/2014, 14:20

... stresses Operational limitations include heatup and cooldown rate limits for components, temperature limits for placing systems in operation, and specific temperatures for specific pressures ... operation Specific temperatures for specific pressures for system operation Rev Page MS-03 PRESSURIZED THERMAL SHOCK DOE-HDBK-1017 /2- 93 Thermal Shock PRESSURIZED T HERMAL S HOC K Personnel need ... stresses involved with rapid heating (or cooling) Operational limits to reduce the severity of thermal shock include: Heatup and cooldown rate limits Temperature limits for placing systems into operation...

Ngày tải lên: 11/08/2014, 14:20

... thermal and pressure tensile stresses on the inside reactor vessel wall Plant transients with greatest potential to cause PTS include: Excessive heatup and cooldown Plant scrams Plant pressure excursions ... include the pressurizer spray line and the purification system Summary The important information in this chapter is summarized below Pressurized Thermal Shock Summary Definition of pressurized ... outside of normal pressure bands Loss of coolant accident Locations of primary concern for thermal shock are: Reactor Vessel Pressurizer spray line Purification system MS-03 Page Rev Department of...

Ngày tải lên: 11/08/2014, 14:20

... transition plastic (FTP) point The temperature corresponding with this point is normally about 120 °F above the NDT temperature Above this temperature, only ductile fractures occur MS-04 Page Rev ... (1974 edition), NB 23 00 The FTE is the temperature above which plastic deformation accompanies all fractures or the highest temperature at which fracture propagation can occur under purely elastic ... lower temperatures, and higher stress tend to favor crack propagation There is a stress level below which a crack will not propagate at any temperature This is called the lower fracture propagation...

Ngày tải lên: 11/08/2014, 14:20

... Cooldown of the PCS from full operating temperature to 20 0°F or less requires approximately 24 hours (depending upon cooldown limit rates) as a minimum Requirements may vary from plant to plant Soak ... shows MPT curves for hydrostatic testing of a PWR PCS The safe operating region is to the right of the MPT curves Other special hydrostatic limits may also apply during testing Figure PCS Temperature ... limiting components Usually the most limiting component will set the heatup and cooldown rates Thermal stress imposed by a rapid temperature change (a fast ramp or even a step change) of approximately...

Ngày tải lên: 11/08/2014, 14:20

... (Cont.) 1 .27 STATE the applications and the property that makes aluminum desirable in reactors operating at: a b c 1 .28 MS-05 Low kilowatt power Low temperature ranges Moderate temperature range ... aluminum is undesirable in high temperature power reactors Page x Rev DOE-HDBK-1017 /2- 93 PROPERTIES CONSIDERED WHEN SELECTING MATERIALS Plant Materials PROPERTIES C ONSIDERED W HEN SELECTING ... capture of a neutron 1 .22 STATE how thermal neutrons can produce atomic displacements 1 .23 STATE how gamma and beta radiation effect organic materials 1 .24 IDENTIFY the change in organic compounds...

Ngày tải lên: 11/08/2014, 14:20

... more difficult because 23 3U always contains 23 2U as a contaminant 23 2U alpha decays to 22 8Th with a 1.9 year half-life The decay chain of 22 8Th produces strong gamma and alpha emitters All handling ... and products that result, neutron production, and the energy released These are properties of a specific nuclide, such as 23 2Th, and its product during breeding, 23 3U To assess these properties ... oscillations than will a 23 8U /23 5U fuel system The stability is also enhanced by the larger Doppler coefficient for the 23 2Th /23 3U fuel system And sixth, the effective value of β for 23 2Th /23 3U systems is...

Ngày tải lên: 11/08/2014, 14:20

... strong, inexpensive, and adaptable to both block and monolithic types of construction Alpha and Beta Radiation Alpha particles, being the largest particles of radiation and having a +2 charge, ... and physical properties, hafnium is an excellent control material for water-cooled, water-moderated reactors It is found together with zirconium, and the process that produces pure zirconium produces ... encountered when boron is incorporated directly with the fuel, and most applications have used separate burnable poison rods Summary The important information in this chapter is summarized below Control...

Ngày tải lên: 11/08/2014, 14:20

... creep exceeding a specified amount after a given time at the operating temperature (for example, a creep rate of 0.01 in 100,000 hours at operating temperature) At the temperature at which high-pressure ... material's properties EO 1.18 DEFINE the following terms: a b EO 1.19 Thermal spike Displacement spike STATE the effect a large number of displacement spikes has on the properties of a metal Thermal Spikes ... Most Rev Page 33 MS-05 DOE-HDBK-1017 /2- 93 ATOMIC DISPLACEMENT DUE TO IRRADIATION Plant Materials of these displacements are temporary At high temperatures, the number of permanently displaced atoms...

Ngày tải lên: 11/08/2014, 14:20

... material for applications in tritium production and reactor plants This chapter discusses the applications of aluminum in a reactor plant EO 1 .27 STATE the applications and the property that makes ... molecules produced, G(gas), and the number of polyphenyl molecules, G(polymer), used to produce higher polymers per 100 eV of energy deposited in the material Note that this adds up to approximately ... IN ORGANIC COMPOUNDS Plant Materials TAB LE Radiolytic Decomposition of Polyphenyls at 350°C Material G (gas) G (polymer) Diphenyl Ortho-terphenyl Meta-terphenyl Para-terphenyl Santowax-R* 0.159...

Ngày tải lên: 11/08/2014, 14:20

... Unit 2: Lesson 2: B1 -2/ p .23 - 24 V Practice: Pictures drill: -Where you live ? - I live in Viet Nam Unit 2: Lesson 2: B1 -2/ p .23 - 24 V Practice: Pictures drill: Noughts and crosses O1 O2 O3 ... Unit 2: Lesson 2: B1 -2/ p .23 - 24 I Vocabulary: (on) a street: ®­êng (to) live: Sèng (in) a city: ë thµnh (in) a house: ë ng«i nhµ Unit 2: Lesson 2: B1 -2/ p .23 - 24 *Matching: (to) ... live in a city on a street Unit 2: Lesson 2: B1 -2/ p .23 - 24 * Homework: - Learn by heart the new words - Make dialogue, then practice with your partner about the place you live ...

Ngày tải lên: 23/06/2013, 01:26

... C1 -2/ p. 38,39 V Practice: Talk about Song’s family Mr Kien Doctor 42 Lan Student 15 Mrs Oanh Nurse 39 Song Student 12 Unit 3: Lesson 5: C1 -2/ p. 38,39 V Practice: Talk about your family Complete ... does/do + S + ? III Homework: - Do exercises C2,4/ 23 , 26 - Rewrite about Song…s family - Write about your family Unit 3: Lesson 5: C1 -2/ p. 38,39 V Practice: Transformation writing: (Write some ... the pictures Then ask and answer the questions Tom Unit 3: Lesson 5: C1 -2/ p. 38,39 I Vocabulary: - an engineer: Kü s­ - a doctor: B¸c sü - a nurse: N÷ y t¸ *Matching Unit 3: Lesson 5: C1 -2/ p. 38,39...

Ngày tải lên: 23/06/2013, 01:26

... Lesson 1: A1, 2/ p. 134 I) Vocabulary: Matching Unit 13: Lesson 1: A1, 2/ p. 134 II Listen and repeat Listen to the tape a) b) c) d) Unit 13: Lesson 1: A1, 2/ p. 134 II Listen and repeat Complete the ... Lesson 1: A1, 2/ p. 134 III Practice: Make dialogues, using pictures S1: What’ s the weather like in the Spring? S2: It’ s warm in the Spring S1: What’ s the weather like in the Fall? S2: It’ s cool ... Period 79: Lesson 1: A1, 2/ p. 134 Unit 13: Lesson 1: A1, 2/ p. 134 I) Vocabulary: - weather (n): thêi tiÕt Unit 13: Lesson 1: A1, 2/ p. 134 I) Vocabulary: - Summer...

Ngày tải lên: 23/06/2013, 01:26

... at the pictures and choose the correct answer - This is a ………… A school B clock C ruler -What is this ? - It…s a A door ……… B pen C book Unit 3: Lesson 1: A1 -2/ p. 30- 31 Matching: - a telephone ... table a stool an armchair a couch a television a stereo a lamp a living room a telephone Unit 3: Lesson 1: A1 -2/ p. 30- 31 III Dialogue: Complete the dialogue: Read the dialogue: - What is this ? ... armchairs Unit 3: Lesson 1: A1 -2/ p. 30- 31 IV Practice: Picture drill -What is this/ that ? -It’s ……… -What are these/ those ? - They are…………… Noughts and crosses O1 O2 O3 O4 O5 O6 O7 O8 O9 X X X...

Ngày tải lên: 23/06/2013, 01:26

... Listen and repeat the numbers 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, ... 52 + 6=58 66 + 3= 69 49 : 7= x 10 = 80 - eight multiplied with ten x3 = 21 - eighty 99: 11= Unit 3: Lesson 3: B1 -2/ p. 35,36 II Practice: Count the items in the classroom Eg: - There are 12 ... There are desks 12 - There is board a - There is desk a - There is a table - There is a clock Unit 3: Lesson 3: B1 -2/ p. 35,36 II Practice: Picture drill Unit 3: Lesson 3: B1 -2/ p. 35,36 * Notes:...

Ngày tải lên: 23/06/2013, 01:26

... 4: Lesson 1: A1 -2/ p 44 *Model sentences - Is Phong’s school small? - Yes, it is - Is Thu’s school small? - No, it isn’t  Noun for people +’s + noun Unit 4: Lesson 1: A1 -2/ p 44 III Reading: ... A1 -2/ p 44 Summary *Vocabulary: Big, small, in the city, in the country *Structures:  Noun for people +’s + noun - Is Phong’s school small? - Yes, it is./ No, it isn’t Unit 4: Lesson 1: A1 -2/ ... 4: Lesson 1: A1 -2/ p 44 I Vocabulary: - big (adj): To, lín - small (adj): Nhá, bÐ - in the city: ë thµnh - in the country: ë n«ng th«n Unit 4: Lesson 1: A1 -2/ p 44 II Matching: Phong’s school...

Ngày tải lên: 23/06/2013, 01:26