1. 1 NATIONAL ACADEMY OF SCIENCES OF UKRAINE The E.O. Paton Electric Welding Institute EPNM-2010 (07-11.06.2010) DEFORMATION MODES IN TUBULAR EXPLOSION CHAMBERS

2. 2 1. TITLE 2. AUTHORS DEFORMATION MODES IN TUBULAR EXPLOSION CHAMBERS Prof. L. D. Dobrushin, Ing. P.S. Shlonskyi, Dr. Yu. I. Fadeenko The E.O. Paton Electric Welding Institute (PWI) of NAS of Ukraine Department on Welding, Cutting and Treatment of Metals by Explosion 11 Bozhenko Str., Kiev, 03680, Ukraine Tel./fax: +380-44-289-14-70 E-mail: dobrushin@paton.kiev.ua TUBULAR EXPLOSION CHAMBERS

3. 3 PART 1. HISTORY OVERVIEW OF R&D 3. CONCEPT DESIGN MOCK-UP

4. 4 TUBULAR EXPLOSION CHAMBERS 4. TUBULAR CHAMBER IN 1:30 SCALE Main Parameters: Inside Dia: 0.25 m; Tubes Q-ty: 222; Tubes: Ø 22x0.5 mm; Max charge: 0.008 kg.

5. 5 TUBULAR EXPLOSION CHAMBERS 5. TUBULAR CHAMBER IN 1:10 SCALE Main Parameters: Inside Dia: 0.85 m; Tubes Q-ty: 213; Tubes: Ø 72x1.2 mm; Max charge: 0.25 kg.

6. 6 TUBULAR EXPLOSION CHAMBERS 5. TUBULAR CHAMBER IN FULL SCALE

7. 7 6. FIRST EXPERIMENTAL FULL-SCALE CHAMBER TUBULAR EXPLOSION CHAMBERS 200 kg TNT Tubular Chamber: a) under construction in 1975; b) the inside view. Note: It was Built up and Still Under Processing by PEWI in Glevakha (25 km from Kiev)

8. 8 TUBULAR EXPLOSION CHAMBERS 200 kg TNT Capacity Tubular Explosion Chamber Located at the Test Ground of Yuzmash Plant (Dnepropetrovsk, Ukraine) a - Outside View; b - Inside View 7. SECOND INDUSTRIAL FULL-SCALE CHAMBER

9. 9 TUBULAR EXPLOSION CHAMBERS 8. EXPLOSION IN FULL-SCALE CHAMBER Explosion of 50 kg of Ammonite mixture with open entrance (for demonstration)

10. 10 9. EXISTING PROJECTS FOR FULL-SCALE CHAMBERS TUBULAR EXPLOSION CHAMBERS

11. 11 10. ADVANTAGES OF DESIGN AND MANUFACTURE TUB0ULAR EXPLOSION CHAMBERS

12. 12 PART 2. SEMI-AUTOMATIC CHAMBERS 11. S/A TUBULAR CHAMBER IN 1:5 SCALE Inside Dia: 2.0 m; Tubes Q-ty: 283; Tubes: Ø 140x4.5 mm; Max charge: 4.0 kg; Weight: 12 tons.

13. 13 12. STRAIN GAUGES GLUED TO RODS & TUBES TUBULAR EXPLOSION CHAMBERS

14. 14 13. TYPICAL TIME-HISTORY OF RODS & TUBES TUBULAR EXPLOSION CHAMBERS

15. 15 14. MODE OF DEFORMATION OF RODS & TUBES (1) TUBULAR EXPLOSION CHAMBERS Circumferential Stresses in Tubes Stresses in Rods

16. 16 15. MODE OF DEFORMATION OF RODS & TUBES (2) TUBULAR EXPLOSION CHAMBERS Axial Stresses in Tubes at 220 mm Distance 220 mm from the End Cap Circumferential Stresses in Tubes at 220 mm Distance from the End Cap

17. 17 16. TUBULAR CHAMBER COVERED BY SAND TUBULAR EXPLOSION CHAMBERS

18. 18 17. POSSIBLITY OF REPAIRING AND REVITALIZING TUBULAR EXPLOSION CHAMBERS

19. 19 SHOT VIDEO

20. 20 18. YOUR FUTURE S/A CHAMBER UNDER DELIVERY TUBULAR EXPLOSION CHAMBERS