Silo design publications

(1975) G. G. Enstad: On the Theory of Arching in Mass Flow Hoppers, Chemical Engineering Science, Vol. 30, pp. 1273 - 1283
(1977) G. G. Enstad: A Note on the Stresses and Dome formation in axially symmetric Mass Flow Hoppers, Chemical Engineering Science,Vol. 32, pp. 337 - 339
(1981) G. G. Enstad: A novel Theory on the Arching and Doming in Mass Flow Hoppers, Doctoral Dissertation, The Norwegian Institute of Technology, Trondheim
(1985) G. G. Enstad: The Ultimate Critical Outlet Width for Flow in Mass Flow Hoppers,Theoretical and Experimental Studies, Int. J. Bulk Solids Storage in Silos, 1 (4) 9 - 18
(1985) G. G. Enstad: Determination of the Flow Fucntion by means of a Cubical Plane Strain Tester, Int. J. Bulk Solids Storage in Silos, 1 (2) 7 - 10
(1991) S. R. de Silva and G. G. Enstad: Bulk Solids Handling i Scandinavia, A Case Study in the Aluminium Industry, Bulk Solids Handling, Volume 11, Number 1
(1991) F. Saraber, G. G. Enstad and G. Haaker: Investigations on the Anisotropic Yield Behaviour of a Cohesive Bulk Solid, Powder Technology, 64, 183 - 190
(1992) G. G. Enstad and L. P. Maltby: Flow Property Testing of Particulate Solids. Bulk Solids Handling, 12, Sept. 3, P.4.(92-1101-3)
(1993) L. P. Maltby and G. G. Enstad: Uniaxial Tester for Quality Control and Flow Property Characterization of Powders. Powder Handling and Processing, 13(1993)1, P. 135 - 139. (92-1101-6)
(1995) L. P. Maltby, G. G. Enstad and S. R. de Silva: Investigation of the Behaviour of Powders under and after Consolidation. Part. and Part. Systems Characterization, 1, P. 16-27.(93-1000-6
(2000) G. G. Enstad and K. N. Sjølyst: Investigation of the Effect of Filling Procedures on Testing of Flow Properties by means of a Uniaxial Tester, Proceedings of the 3rd Israeli Conference for Conveying and Handling of Particulate Solids, Volume 1, pp 3.51 – 3.56,The Dead Sea Nirvana Hotel, Israel, May 29 – June 1
(2000) A. Dyrøy, M. Karlsen, G. G. Enstad and S. de Silva: Air Current Segregation: Quatification of Effects and Avoidance, Proceedings of the 3rd Israeli Conference for Conveying and Handling of Particulate Solids, The Dead Sea Nirvana Hotel, May 29 – June 1
(2001) S. Ding,G. G. Enstad, M. Jecmenica and S. de Silva: Simulation of a Double Cone’s Effect on Granular Material Flow in Silos. 7th International Conference on Bulk Materials Storage, Handling and Transportation, Newcastle, Australia, October
(2001) S. Ding, F. O. von Hafenbrädl, G. G. Enstad, M. Jecmenica and S. de Silva: Observations on the Change from Funnel Flow to Mass Flow in Silos by Means of a Double Cone. 7th International Conference on Bulk Materials Storage, Handling and Transportation. Newcastle, Australia, October
(2001) S. Ding, G. G. Enstad, M. Jecmenica and S. de Silva: Simulation of a Double Cone’s Effect on Granular Material Flow in Silos. 7th International Conference on Bulk Materials Storage, Handling and Transportation, Newcastle, Australia, October.
(2001) S. Ding, F. O. von Hafenbrädl, G. G. Enstad, M. Jecmenica and S. de Silva: Observations on the Change from Funnel Flow to Mass Flow in Silos by Means of a Double Cone. 7th International Conference on Bulk Materials Storage, Handling and Transportation. Newcastle, Australia, October.
(2001) S. Ding, M., Jecmenica and M. Wojcik, Finite element predictions of loads on walls and insert in a gravity flow silo, Scandinavia Abaqus Users’ Conference, Gåteborg, Sweden, Sept. 21-22.
(2002) S. Ding, J. Y. Ooi, M. Jecmenica, G. G. Enstad and S. R. de Silva, FE Investigations of the Effects of a Passive Insert on Flow Patterns in Silos, CHISA 2002, Praha, 25-29 August
(2002) S. Ding, J. Y. Ooi and M. J. Rotter, Simulations of silo discharge flow patterns and predictions of loads on walls and inserts, 15th International Congress of Chemical and Process Engineering, "CHISA 2002", Aug. 25-29.
(2002) M. Wòjcik, M. Jecmenica and G. G. Enstad: Numerical Calculation of Wall Pressure and Stresses in Cylindrical Silos with conical Hoppers, SSTA 2002, The 7th Conference Shell Structures Theory and Applications, Gdansk – Jurata, 9 – 11 October
(2002) S. Ding, Numerical prediction of flow patterns and loads on walls and inserts in a silo, Particle Technology UK Forum IV, AIChE, The University of Leeds, England, April 11-12.
(2002) S. Ding, Numerical prediction of flow patterns and loads on walls and inserts in a silo, Particle Technology UK Forum IV, AIChE, The University of Leeds, England, April 11-12.
(2003) S. Ding, G. G. Enstad, and S. R. de Silva: Flow and Pressure Measurements in a Full Scale Silo with a Double-Cone Insert, The 4th International Conference for Conveying and Handling of Particulate Solids, Budapest, May
(2003) S. Ding, G. G. Enstad, M. Wojcik and F. O. von Hafenbrädl, Measurement of filling and discharging loads in a full scale hopper, The 4th International Conference for the Conveying and Handling of Particulate Solids, Budapest, May 27-30.
(2003) S. Ding and G. G. Enstad, FE approach to the sensitivity of load on a hopper to the filling method and process with granular material, Proceedings of IMECE’03 ASME International Mechanical Engineering Congress & Exposition, Washington, D.C., USA, November 16-21
(2003) S. Ding and G. G. Enstad: Effect of feeding rate on the loads measured along the wall of a full-scale hopper during filling, The Sixth Conference on Measurement and control of Granular Materials, Shanghai, China, Aug. 20-22
(2003) G. G. Enstad: Sunil de Silva – A Scientist and a Visionary, Particulate Science and Technology,21:207– 210.
(2003) S. Ding, S. R. de Silva and G. G. Enstad: Effect of Passive Inserts on the Granular Flow from SilosUsing Numerical Solutions, Particulate Science and Technology, 21: 211 – 226.
(2003) S. Ding, M. Wojcik, M. Jecmenica and S. R. de Silva, Loads on walls and inserts in mass-flow silos, TASK QUARTERLY 7 (4), 525-538.
(2003) S. Ding and G. G. Enstad, Stress distribution in the material and development of loads on the wall during hopper filling, TASK QUARTERLY 7 (4), 512-524.
(2003) M. Wojcik, G. G. Enstad and M. Jecmenica, Numerical Calculations of Wall Pressures and Stresses in Steel Cylindrical Silos with Concentric and Eccentric Hoppers, Particulate Science and Technology, 21: 247 – 258
(2003) S. Ding, G. G. Enstad and S. R. de Silva, Development of Load on a Hopper During Filling with Granular Material, Particulate Science and Technology, 21: 259 – 270
(2003) G. G. Enstad and S. Ose, Uniaxial Testing and the Performance of a Pallet Press, Chemical Engineering & Technology, 26: 171 – 176
(2004) S. Ding, G. G. Enstad and F. O. von Hafenbrädl, 2004, Measurement of double cone inserts effects on the loads along a full-scale silo, POWTEC 2004, Nuremberg, Germany, March 15-19(2004) N. O. Lindberg, M. Pålsson, A. C. Phil, T. Freeman, H. Zetzener and G. G. Enstad: Flowability measurements of pharmaceutical powder mixtures with poor flow, Drug Development and Industrial Pharmacy, Issue 7, p 785
(2005) T. O. Nysaeter and G. G. Enstad: Factors influencing the performance of a uniaxial tester for powder characterization, 7th World Congress on Chemical Engineering, Glasgow
(2006) T. O. Nysaeter and G. G. Enstad: Influence of filling procedure on the failure strength of powders in a uniaxial tester, Proceedings, The 5th World Congress on Particle Technology, Orlando, USA, April 23 – 27
(2006) S. Zigan, R. B. Thorpe, U. Tuzun and G. G. Enstad: Air current segregation of alumina powder, Proceedings, The 5th World Congress on Particle Technology, Orlando, USA, April 23 – 27
(2006) M. Wojcik, J. Härtl, J. Ooi, M. Rotter, S. Ding and G. G. Enstad: Experimental investigation of flow pattern and wall pressure distribution in a silo with doublecone insert, Proceedings, The 5th international Conference for Conveying and Handling of Particulate Solids, Sorrento, Italy, August 27 – 31
(2006) Songxiong Ding, Gisle G. Enstad, Guoxian Xiao and Delong Xü, An experimental investigation into the effect of moisture content in salt on its flow properties, Proceedings, AICHE 2006, San Francisco, CA. USA, Nov. 12-18.
(2006) Guoxian Xiao, Delong Xü, Songxiong Ding and Gisle G. Enstad, Measurements of ambient temperature effect on wall pressures imposed by stored solids in silos, Proceedings, AICHE 2006, San Francisco, CA. USA, Nov.12-18.
(2006) T. O. Nysaeter, A. Kleppe and G. G. Enstad: Effects of cyclic loading and various test conditions in a uniaxial tester, Proceedings, The 5th International Conference for Conveying and Handling of Particulate Solids, Sorrento, Italy, August 27 – 31
(2006) M. Wojcik, J. Härtl, J. Ooi, M. Rotter, S. Ding and G. G. Enstad, Experimental Investigations of Stresses and Flow in a Full Scale Silo of axial Symmetry – with and without a Double-cone Insert, Journal of Part. & Part. Syst. Charact. Vol. 4.
(2006) J. Härtl, M. Wojcik, J. Ooi, M. Rotter, S. Ding and G. G. Enstad, Experimental Investigations of Stresses and Flow in a Full Scale Silo of axial Symmetry – with and without Cone in Cone Inserts, the World Congress of Particle Technology – 5, Florida, April 11-17;
(2007) M. Jecmenica, S. Ding, G. G. Enstad, FE prediction of the effect of insert on the flow during silo, Proceedings, Aiche07, Salt Lake City, Utah, USA, 3 -7 Nov.
(2007) J. Härtl, M. Wojcik, J. Ooi, M. Rotter, S. Ding and G. G. Enstad, The influence of a cone-in-cone insert on flow pattern and wall pressure in a full scale silo, Journal of Chemical Engineering Research and Design, Vol 4.
(2008) S. Ding, J. M. Rotter, J. Y. Ooi and G. G. Enstad: Pressure development along the walls of a conical hopper with a steep inclination angle, Proceedings, The 4th International Symposium Reliable Flow of Particulate Solids, June 10 – 12, Tromsø
(2008) T. Schuricht, C. Fürll and G. G. Enstad: Experimental and calculated loads on “cone in cone” inserts, Proceedings, The 4th International Symposium Reliable Flow of Particulate Solids, June 10 – 12, Tromsø
(2008) J. Härtl, J. Y. Ooi and G. G. Enstad: An experimental study of cone-in-cone inserts configuration in a full scale silo, Proceedings, The 4th International Symposium Reliable Flow of Particulate Solids, June 10 – 12, Tromsø
(2008) S. Zigan, R. B. Thorpe, U. Tüzün and G. G. Enstad: Experimental investigation on air current segregation in cylindrical laboratory silos, Proceedings, The 4th International Symposium Reliable Flow of Particulate Solids, June 10 – 12, Tromsø
(2008) S. Ding, M. Jecmenica, G. G. Enstad, J. Y. Ooi and J. M. Rotter: Prediction of flow mode during silo discharge and its preliminary verification, Proceedings, The 4th International Symposium Reliable Flow of Particulate Solids, June 10 – 12, Tromsø
(2008) R. Beck, D. Malthe-Sørenssen, J.-P. Andreassen, T. Nysæter and G. G. Enstad: Influence of crystal properties in powder flow behavior, Proceedings, The 4th International Symposium Reliable Flow of Particulate Solids, June 10 – 12, Tromsø
(2008) Guoxian Xiao, Delong Xu and S. Ding, A DE numerical study upon particulate solids flow, AICHE 08, Philadelphia, Pennsylvania, USA. Nov. 11-16.
(2009) G. G. Enstad: Optimization of Inserts in Silos, Bornimer Agrartechnische Berichte, Heft 65, Potsdam-Bornim
(2009). S. Ding, A. Dyrøy and M. Karlsen. Measurement of loads exerted on a double cone insert within a large scale axi-symmetrical silo, Proceedings, The 6th International Conference for Conveying and Handling of Particulate Solics with 10th ICBMH and BULKEX, August 3 - 7, Brisbane

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Silo design publications