Program

Third International Conference
on Compact Heat Exchangers and Enhancement Technology
for the Process Industries

July 1-6, 2001
Davos Congress Center/Hotel Cresta Sun
Davos, Switzerland

Conference Chair
R.K. Shah

Delphi Harrison Thermal Systems, GM, USA

Co-Chairs
A.W. Deakin

BP Chemicals, UK
H. Honda
Kyushu University, Japan
T.M. Rudy
ExxonMobil Research & Engineering Co., USA

United Engineering Foundation, Inc.
Three Park Avenue, 27th Floor
New York, NY 10016-5902
T: 1-212-591-7836 - F: 1-212-591-7441
engfnd@aol.com -- www.engfnd.org

SUNDAY, JULY 1, 2001

5:00 - 7:00 Registration (Cresta Sun Hotel Lobby)

7:30 - 8:30 Dinner (Cresta Sun Hotel)

8:30 - 10:00 Welcome Reception (Cresta Sun Hotel)

NOTES:
1. All technical sessions will be held at the Congress Center (Pischa/Parsenn Room).
2. All lunches and dinners will be held at the Cresta Sun Hotel. Participants will have breakfast at the hotel where they are staying.
3. Please observe "no smoking" at UEF technical sessions, coffee breaks, meals and social hours.
4. Speakers should allow time at the end of their presentation for questions and discussion.

MONDAY, JULY 2, 2001

7:00 - 8:00 Breakfast

8:00 - 8:15 Welcome and Introduction

8:15 - 10:15 Session 1. SINGLE-PHASE AUGMENTATION TECHNIQUES
Session Chair: H. Honda, Kyushu University, Kasuga, Fukuoka, Japan.

Keynote Lecture: Some Enhancement Studies for Laminar and Turbulent Heat Transfer of Air in Tubes and Across Plates, W.Q. Tao and W.Q. Wang, Xi'an Jiaotong University, Xi'an, China.

Heat Transfer Characteristics of Fin-Tube Heat Exchanger with Vortex Generators, S.Y. Yoo,1 D.S. Park,1 M.H. Chung1 and J.K. Kim,2 1Chungnam National University, Taejon, Korea, 2Dubal Gas Engineering, Incheno, Korea.

Influence of Conjugate Heat Transfer in Compact Heat Exchangers with Vortex Generators, J. Tourreuil, D. Bougeard and B. Baudoin, École des Mines de Douai, Douai, France.

Investigation of Heat Transfer Process in Channels with Cylindrical Intensifiers, B.M. Galitseysky, Moscow Aviation Institute, Moscow, Russia.

10:15 - 10:45 Coffee/Tea Break

10:45- 12:30 Session 2. SINGLE-PHASE AUGMENTATION TECHNIQUES (cont'd)
Session Chair: G.A. Dreitser, Moscow Aviation Institute, Moscow, Russia.

Performance Evaluation of Heat Transfer Enhancement by Twisted Tapes, K. Ichimiya, Yamanashi University, Yamanashi, Japan.

Study on Convective Heat Transfer in Fiber-Finned Ducts Based on the Concept of Equivalent Thermal Conductivity, Z.Z. Xia, Z.X. Li and Z.Y. Guo, Tsinghua University, Beijing, China.

A Three-Dimensional Unsteady Numerical Analysis for a Plate-Finned Heat Exchanger in the Middle Reynolds Number Range, H. Onishi,1 K. Inaoka2 and K. Suzuki,1 1Kyoto University, Kyoto, Japan, 2Doshisha University, Kyoto, Japan.

A Method of Relative Comparison of Thermo-Hydraulic Efficiencies of Heat Transfer Surfaces and Heat Exchangers, E.V. Dubrovsky1 and V.Yu. Vasiliev,2 1Scientific and Research Institute for Tractors-NATI, Moscow, Russia, 2Astrakhan State Technical University, Astrakhan, Russia.

12:30 - 1:30 Lunch

1:30 - 3:15 Networking/Informal Discussions/Free Time

3:15 - 3:45 Group Photo

3:45 - 4:00 Coffee/Tea Break

4:00 - 5:40 Session 3. SINGLE-PHASE HEAT TRANSFER DESIGN DATA AND METHODS
Session Chair: K. Suzuki, Kyoto University, Kyoto, Japan.

Keynote Paper: From Fin Selection to Network Design - A Holistic Design Approach for Compact Heat Exchanger Networks, X.X. Zhu and L.M. Pua, UMIST, Manchester, UK.

Design and Optimization of Compact Heat Exchangers, R. Jia,1 B. Sundén1 and Y. Xuan,2 1Lund Institute of Technology, Lund, Sweden; 2Nanjing University of Science & Technology, Nanjing, China.

Optimal Design of Plate-Fin Heat Exchangers using Both Heuristic based Procedures and Mathematical Programming Techniques, J.M. Reneaume1 and N. Niclout,2 1Ecole Nationale Supérieure en Génie des Technologies Industrielles, Pau, France, 2nordon Cryogenie SAS, Golbey, France.

5:40 - 5:55 Break

5:55 - 7:15 Session 4. SINGLE-PHASE HEAT TRANSFER DESIGN DATA AND METHODS (cont'd)
Session Chair: F. Ladeinde, Thaerocomp Technical Corp., Stony Brook, NY, USA.

An Improved Approach to the Design of Plate Heat Exchangers, L. Wang and B. Sundén, Lund Institute of Technology, Lund, Sweden.

Numerical Investigation of Plate Heat Exchanger Design, H. Rebholz, W. Heidemann, E. Hahne, and H. Müller-Steinhagen, Universität Stuttgart, Stuttgart, Germany.

Heat Transfer Characteristics in Two-Pass Rectangular Channels with Inclined Partition Wall, M. Hirota,1 H. Fujita,1 M. Yanagida2 and H. Nakayama,1 1Nagoya University, Nagoya, Japan, 2Arco Co. Ltd., Toyota, Japan.

7:30 - 8:00 Social

8:00 - 8:45 Dinner

8:45 - 9:45 Panel Discussion - Barriers and Concerns on the Use of CHEs in the Process Industries
Session Chair: A.W. Deakin, BP Chemicals, Sunbury, Middlesex, UK.

Panelists:
J. Junji, Sumimoto Precision Products Co. Ltd., London, UK.
B.I. Master, ABB Lummus Heat Transfer, Bloomfield, NJ, USA.
B. Wilhelmsson. Alfa Laval Thermal AB, Lund, Sweden

TUESDAY, JULY 3, 2001

7:00 - 8:00 Breakfast

8:00 - 10:00 Session 5. SINGLE-PHASE HEAT TRANSFER DESIGN DATA AND METHODS (cont'd)
Session Chair:. B. Sundén, Lund Institute of Technology, Lund, Sweden.

Two-Dimensional Numerical Method for Thermal and Hydraulic Design of Multistream Plate-Fin Heat Exchanger, B. Deng, Q.W. Wang and W.Q. Tao, Xi'an Jiaotong University, Xi'an, China.

Smooth- and Enhanced-Tube Heat Transfer and Pressure Drop: Part I. Effect of Prandtl Number with Air, Water, and Glycol/Water Mixtures, N.T. Obot,1 L. Das,2 and T.J. Rabas,1 1Argonne National Laboratory, Argonne, IL, 2Clarkson University, Potsdam, NY.

Smooth- and Enhanced-Tube Heat Transfer and Pressure Drop: Part II. The Role of Transition to Turbulent Flow, N.T. Obot,1 L. Das,2 and T.J. Rabas,1 1Argonne National Laboratory, Argonne, IL, 2Clarkson University, Potsdam, NY.

Heat Transfer Enhancement and Flow Visualization of Wavy-Perforated Plate-and-Fin Surface, Y. M. Xuan, H. L. Zhang and R. Ding, Nanjing University of Science and Technology, Nanjing, China.

10:00 - 10:30 Coffee/Tea Break

10:30 - 12:30 Session 6. POSTER SESSION
Session Co-Chairs:
T.M. Rudy, ExxonMobil Research and Engineering Co., Fairfax, VA, USA.
H. Fujita, Nagoya University, Nagoya, Japan.
R. Jachuck, University of Newcastle upon Tyne, Newcastle upon Tyne, UK.

Numerical Analysis of Laminar Flow and Heat Transfer in Corrugated Undulated Ducts for Recuperators, E. Utriainen and B. Sundén, Lund Institute of Technology, Lund, Sweden.

Numerical Heat Transfer in a Top Opening Rectangular with a Heating Source, K. Y. Bae, T. W. Kong, M. K. Ji, H. M. Jeong and H. S. Chung, Gyeongsang National University, Kyongnam, Korea.

Enhancement of Heat and Mass Transfer in Heat Exchangers with Helical Tubes, B.V. Dzyubenko and G.A. Dreitser, Moscow Aviation Institute, Moscow, Russia.

Combined Techniques of Heat Exchange Enhancement along the Paths of Gas-to-Gas Coolers for Small GTE, A.V. Soudarev, B.V. Soudarev, V.V. Grishaev and A.S. Leznov, Scientific-Research Institute of Power Machinery, St. Petersburg, Russia.

Superlean Combustion Using Couterflow Heat Exchanger Filled with Porous Media, H. Yoshida, M. Saito and H. Matsui, Kyoto University, Kyoto, Japan.

Rules of Similarity for the Vortex Electro-Discharged Plasmotron, V.T. Volov, Samara Scientific Center of the Russian Academy of Science, Samara, Russia.

Heat-Hydraulic Performance of Rolled-up Thin-Wall Small-Diameter Tubes at Longitudinal Flow of Heat Carrier, A.L. Svetlakov, E.A. Folomeev, L.S. Bezgin, V.M. Galankin, M.A. Ilchenko, A.V. Tolmachov, and Y.N. Filippov, Central Institute of Aviation Motors, Moscow, Russia.

Theoretical and Experimental Study of Axial Dispersion in Packed-Bed Heat/Mass Transfer Equipment, S.K. Das,1 A. Roy,1 W. Roetzel2 and F. Balzereit2, 1Indian Institute of Technology, Madras 600036, India; 2University of Federal Armed Forces Hamburg, Hamburg, Germany.

Reduced Total Life Cycle Costs Using HelixchangerÔ Heat Exchangers, B.I. Master, K.S. Chunangad, B. Boxma, G.T. Polley, and M.B. Tolba, ABB Lummus Heat Transfer, Bloomfield, NJ.

Sustainability Assessment of Aluminium Heat Sink Design, S. Prstic,1 A. Bar-Cohen,1 N. Afgan2 and M.G. Carvalho,2 1University of Minnesota, Minneapolis, MN, USA, 2Instituto Superior Tecnico, Lisbon, Portugal.

A New Approach to the Thermal Analysis of Rotary Air Preheater, H. Shokouhmand and A. Rezai, Tehran University, Tehran, Iran.

Simulation of Regenerators Utilizing Encapsulated Phase Change Materials, M. Sadrameli and N.S. Tabrizi, Tarbiat Modarres University, Tehran, Iran.

Micro Channel Heat Exchanger for Cooling Electrical Equipment, K. Kawano,1 M. Sekimura,1 K. Minakami,1 H. Iwasaki1 and M. Ishizuka,2 1Toshiba Corporation, Kawasaki, Japan, 2Toyama Prefectural University, Toyama, Japan.

Circumferential Temperature Distributions on Plain and Finned Tubes in Pool Boiling, P. Hübner,1 D. Gorenflo2 and A. Luke,2 1ISE Fraunhofer Institute for Solar Energy Systems, Freiburg, Germany, 2Universität Paderborn, Paderborn, Germany.

Enhancement of Boiling Heat Transfer of Ethanol by PTFE Coating on Heating Tube, C.B. Vijaya Vittala,1 S. Bhaumik,2 S.C.Gupta,2 and V.K. Agarwal,2 1NERIST, Arunachal Pradesh, India, 2University of Roorkee, Roorkee, India.

Effects of Several Factors in Tube on the Capacity of Air-Cooled Plate-Fin and Round-Tube Heat Exchangers, N. Sasaki, S. Kakiyama and H. Morita, Sumitomo Light Metal Industries, Ltd., Nagoya, Japan.

Development and Application of Semiconductor Device Cooler Using High Performance Plate Fin Heat Exchanger, K. Ando, Sumitomo Precision Products, Co., Ltd., Hyogo, Japan.

Boiling Refrigerant Type Compact Cooling Unit for Computer Chip, H. Tanaka, T. Ohara, K. Kawaguchi and T. Terao, Denso Co. Ltd., Kariya, Japan.

A Study on the Advanced Performance of an Absorption Heater/Chiller Using Waste Gas, E. Kim, J.I. Yoon, H.S. Lee, C.G. Moon and S.H. Chun, Pukyong National University, Pusan, KoreaError! Bookmark not defined..

The Experimental Analysis for the Application of High-Temperature Latent Heat Exchanger, S.H. Huang, H.H. Lin and B.C. Yang, Industrial Technology Research Institute, Hsinchu, Taiwan, R.O.C.

12:30 - 1:30 Lunch

1:30 - 3:30 Networking/Informal Discussions/Free Time

3:30 - 4:00 Coffee/Tea Break

4:00 - 5:40 Session 7. SINGLE-PHASE HEAT TRANSFER DESIGN DATA AND METHODS (cont'd)
Session Chair: M. Kumada, Gify University, Gifu, Japan.

Positron Emission Particle Tracking (PEPT) - A New Technique to Investigate the Flow Pattern in a Plate and Frame Heat Exchanger with Corrugated Plates, H. U. Zettler1, H. Müller-Steinhagen2, R.N.G. Forster3, P. Fowles3, 1University of Surrey, Guildford, Surrey, UK, 2University of Stuttgart, Stuttgart, Germany, 3The University of Birmingham, Birmingham, UK.

A Simple and Industrial Test Facility for Corrugated Fins Evaluation, F. Châtel and E. Werlen, Air Liquide, Claude-Delorme Research Center, Jouy-en-Josas, France.

Influence of Header Design on Pressure Drop and Thermal Performance of a Compact Heat Exchanger, Ch. Ranganayakulu1 and A. Panigrahi,2 1Aeronautical Development Agency, Bangalore, India, 2Bharat Heavy Plate and Vessels, Ltd., Vishakhapatnam, India.

Port Flow Distribution in Plate Heat Exchangers, L. Huang, Heat Transfer Research, Inc., College Station, TX.

5:40 - 5:55 Break

5:55 - 7:30 Session 8. SINGLE-PHASE HEAT EXCHANGER DEVELOPMENT & APPLICATIONS
Session Chair: M. Ishizuka, Toyama Prefectural University, Toyama, Japan.

Keynote Lecture: Research and Development on the High Performance Ceramic Heat Exchangers, M. Kumada and K. Hanamura, Gifu University, Gifu, Japan.

The Spiral Heat Exchanger Concept and Manufacturing Technique, N. Bacquet, Acte S.A., Ans, Belgium.

Performance of Material Saved Fin-Tube Heat Exchangers in Dehumidifying Conditions, H.C. Kang1 and M.H. Kim,2 1Kunsan National University, Kunsan, Korea, 2POSTECH, Pohang, Korea.

7:30 - 8:00 Social

8:00 - 9:00 Dinner

WEDNESDAY, JULY 4, 2001

7:00 - 8:00 Breakfast

8:00 - 10:30 Session 9. PHASE-CHANGE HEAT TRANSFER FUNDAMENTAL STUDIES
Session Chair: M.H. Kim, Pohang University of Sci. and Technol., Pohang, Kyungbuk, Korea.

Keynote Lecture: Two-Phase Flow Patterns, Pressure Drop and Heat Transfer during Boiling in Minichannel and Microchannel Flow Passages of Compact Evaporators, S. G. Kandlikar, Rochester Institute of Technology, Rochester, NY.

Review of Aspects of Two-Phase Flow and Boiling Heat Transfer in Small Diameter Tubes, X. Huo,1 Y.S. Tian,1 V.V. Wadekar2 and T.G. Karayiannis,1 1South Bank University, London, UK; 2HTFS, AEA Technology Hyprotech, Harwell, UK.

Two-Phase Flow Distribution in a Compact Heat Exchanger, P. Bernoux1, P. Mercier1 and M. Lebouché2, 1GRETh-CEA Grenoble, Grenoble, France, 2LEMTA, Vandoeuvre, France.

Technique for Measurement of Void Fraction in Stratified Flows in Horizontal Tubes, L. Wojtan, T. Ursenbacher and J.R. Thome, Swiss Federal Institute of Technology Lausanne, Lausanne, Switzerland.

Frictional Performance of Rectangular Fin in Partially Wet Conditions, Y.T. Lin,1 K.C. Hsu,1 R.J. Shyu2 and C.C. Wang,2 1Yuan-Ze University, Taoyuan, Taiwan, R.O.C., 2Industrial Technology Research Institute, Hsinchu, Taiwan, R.O.C.

10:30 - 11:00 Coffee/Tea Break

11:00 - 12:40 Session 10. PHASE-CHANGE HEAT TRANSFER FUNDAMENTAL STUDIES (cont'd)
Session Chair: V.V. Wadekar, Heat Transfer and Fluid Flow Service (HTFS), Harwell, UK.

Dividing Two-Phase Flow within a Small Vertical Rectangular Channel with a Horizontal Branch, J. K. Lee and S. Y. Lee, Korea Advanced Institute of Science and Technology, Taejon, Korea.

Heat Transfer during Reflux Condensation of R134a in a Small Diameter Inclined Tube, S. Fiedler and H. Auracher, Institute für Energietechnik, Berlin, Germany.

Experimental Study of Condensation on Two Flat Vertical Parallel Plates, S. Russeil, C. Tribes and B. Baudoin, École des Mines de Douai, Douai, France.

Flow Patterns and Phenomena for Falling Liquid Films on Plain and Enhanced Tube Arrays, J.F. Roques and J.R. Thome, Swiss Federal Institute of Technology Lausanne, Lausanne, Switzerland.

Flow Dynamics and Intensification of the Heat Transfer in Precritical Regimes of Intensively Evaporating Wavy Liquid Film, A.N. Pavlenko, V.V. Lel, A.F. Serov and A.D. Nazarov, The Institute of Thermophysics Sb RAS, Novosibirsk, Russia.

12:40 - 1:30 Lunch

1:30 - 3:30 Ad hoc sessions/Informal Discussions/Free Time

3:30 - 4:00 Coffee/Tea Break

4:00 - 5:35 Session 11. VAPORIZATION, CONDENSATION & ABSORPTION AUGMENTATION TECHNIQUES
Session Chair: B. Thonon, CEA-Grenoble, DTP/GRETh, Grenoble, France.

Keynote Lecture: Enhanced Heat Transfer for Shell-side Condensation: Recent Results, A Bontemps, Université Joseph Fourier, Grenoble, France. (The author will bring the copies of the paper since the paper was not ready for the proceedings).

Pool Boiling Experiments with Liquid Nitrogen on Enhanced Boiling Surfaces, V. Srinivasan, J.D. Augustyniak, and M.J. Lockett, Praxair, Inc., Tonawanda, NY.

Boiling of Hydrocarbons on Tubes with Subsurface Structures, R. Mertz, R. Kulenovic, P. Schäfer and M. Groll, University of Stuttgart, Stuttgart, Germany.

5:35 - 5:50 Break

5:50 - 7:15 Session 12. VAPORIZATION AND CONDENSATION DATA AND METHODS
Session Chair: G.P. Celata, ENEA Casaccia, S.M. Galeria, Rome, Italy.

Heat Transfer Enhancement with a Surfactant in Horizontal Bundle Tubes on an Absorber, J.I. Yoon, E. Kim, W.S. Seol, C.G. Moon and D.H. Kim, Pukyong National University, Pusan, Korea.

A New Procedure for Two-Phase Thermal Analysis of Multi-Pass Industrial Plate-Fin Heat Exchangers, F. Ladeinde and K. Alabi, Thaerocomp Technical Corporation, Stony Brook, NY.

A Simple Method for Evaluation of Heat Transfer Enhancement in Tubular Heat Exchangers under Single-Phase Flow, Boiling, Condensation and Fouling Conditions, G.A. Dreitser, A.S. Myacotchin and I.E. Lobanov, Moscow Aviation Institute, Moscow, Russia.

7:15 - 8:00 Social

8:00 - 9:00 Dinner

THURSDAY, JULY 5, 2001

7:00 - 8:00 Breakfast

8:00 - 3:30 Personal Time (Lunch at the hotel or box lunches)

Optional Three Pass Excursion: (Fluela Pass, Bernina Pass, Julier Pass with stop/time for coffee or walk around the lake in St. Moritz.) (Lunch boxes for those on excursion.) Sign up with Barbara Hickernell. Cost of trip will be added to your incidental hotel expenses.

3:30 - 4:00 Coffee/Tea Break

4:00 - 5:30 Session 13. VAPORIZATION AND CONDENSATION DATA AND METHODS (cont'd)
Session Chair: J.R. Thome, Swiss Federal Institute of Technology, Lausanne, Switzerland.

Theoretical Study on the Effects of Tube Diameter and Tubeside Fin Geometry on the Heat Transfer Performance of Air-Cooled Condensers, H. S. Wang and H. Honda, Kyushu University, Fukuoka, Japan.

Alternative Refrigerants Performance in Plate Heat Evaporators, G. Boccardi and G. P. Celata, ENEA- Institute of Thermal Fluid Dynamics, Rome, Italy.

Characteristics of Heat Transfer and Pressure Drop of R-22 Inside an Evaporating Tube with Small Diameter Helical Coil, J.W. Kim, J.H. Kim and J.S. Kim, Pukyong National University, Pusan, Korea.

5:30 - 5:45 Break

5:45 - 7:30 Session 14. VAPORIZATION AND CONDENSATION DATA AND METHODS AND FOULING IN HEAT EXCHANGERS (cont'd)
Session Chair: B. Arman, Praxair, Inc., Tonawanda, NY, USA.

Condensation of Pure Hydrocarbons and Their Mixtures in a Compact Welded Heat Exchanger, J. Gitteau,1 B. Thonon1 and A. Bontemps,2 1GRETh-CEA Grenoble, Grenoble, France, 2Université Joseph Fourier, Grenoble, France.

The Simulation of Multicomponent Mixtures Condensation in Plate Condensers, L.L. Tovazhnyansky, P.O. Kapustenko, O.G. Nagorna, O. Perevertaylenko, National Technical University "KhPI", Kharkiv, Ukraine.

Diagnosing, Characterizing, and Controlling a Liquid Transfer System Cleaning Problem, M. Fornalik, D. Gruszczynski, C. Puccini, and M. Wilcox, Eastman Kodak Company, Rochester, NY.

Fouling Reduction in Gelatin-Based Photographic Emulsions Using Spiral Wound Membranes, W. Gately and M.B. Wilcox, Eastman Kodak Company, Rochester, NY.

7:30 - 8:00 Social

8:00 - 10:00 Banquet

10:00 - 10:30 Social

FRIDAY, JULY 6, 2001

7:00 - 8:00 Breakfast

8:00 - 9:35 Session 15. PHASE-CHANGE HEAT EXCHANGER DEVELOPMENT +
APPLICATIONS

Session Chair: B.I. Master, ABB Lummus Heat Transfer, Bloomfield, NJ, USA.

Keynote Lecture: Use of Plate Heat Exchangers in Refinery and Petrochemical Plants, J.H. Wang, UOP LLC, Des Plaines, IL.

Reduction of Maldistribution in Large Rising Film Plate Evaporators, M. Holm, I. Nilsson and B. Wilhelmsson, Alfa Laval Thermal AB, Lund, Sweden.

Process Intensification: Performance Studies and Integration of Multifunctional Compact Condenser in Distillation Processes, B.D. Cailloux, J.M.G. Lee and R.J. Jachuck, University of Newcastle upon Tyne, UK.

9:35 - 9:50 Coffee/Tea Break

9:50 - 11:30 Session 16. FOULING IN HEAT EXCHANGERS AND ENHANCED REBOILERS
Session Chair: W.Q. Tao, Xi'an Jiaotong University, Xi'an, Shaanxi, China.

Keynote Paper: Fouling and Compact Heat Exchangers, H. Müller-Steinhagen, Universität Stuttgart, Stuttgart, Germany. (The author will bring the copies of the paper since the paper was not ready for the proceedings).

Enhanced Reboilers for the Process Industry, B. Thonon, GRETh-CEA Grenoble, Grenoble, France.

Fouling in Plate-and-Frame Heat Exchangers and Cleaning Strategies, S.M. Zubair1 and R.K. Shah2, 1King Fahd University of Petroleum & Minerals, Dhahran, Saudi Arabia, 2Delphi Harrison Thermal Systems, Lockport, NY.

11:30 - 12:30 Session 17. Open Discussion
Session Chair: R.K. Shah, Delphi Harrison Thermal Systems, Lockport, NY, USA.

Prioritizing the Efforts to Remove the Barriers

12:30 - 12:40 Future Plans and Vote of Thanks

12:40 - 1:50 Lunch and Departure

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