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| 1 | Influence of liquid layers on energy absorption during particle impact显示文摘The influence of the thickness of a covering liquid layer and its viscosity as well as the impact velocity on energy loss during the normal impact on a flat steel wall of spherical granules with a liquid layer was studied. Free-fall experiments were performed to obtain the restitution coefficient of elastic–plastic Al2O3 granules by impact on the liquid layer, using aqueous solutions of hydroxypropyl methylcellulose with different concentrations for variation of viscosity (1–300 mPa s). In the presence of a liquid layer, increase of liquid viscosity decreases the restitution coefficient and the minimum thickness of the liquid layer at which the granule sticks to the wall. The measured restitution coefficients were compared with experiments performed without liquid layer. In contrast to the dry restitution coefficient, due to viscous losses at lower impact velocity, higher energy dissipation was obtained. A rational explanation for the effects obtained was given by results of numerically solved force and energy balances for a granule impact on a liquid layer on the wall. The model takes into account forces acting on the granule including viscous, surface tension, capillary, contact, drag, buoyancy and gravitational forces. Good agreement between simulations and experiments has been achieved. | Sergiy Antonyuk Stefan Heinrich Niels Deen Hans Kuipers | 2009 | Particuology2009，7，4： | 5 |
| 2 | Discrete particle modeling of granular temperature distribution in a bubbling fluidized bed显示文摘The discrete hard sphere particle model (DPM) is applied in this work to study numerically the distributions of particle and bubble granular temperatures in a bubbling fluidized bed. The dimensions of the bed and other parameters are set to correspond to those of Müller et al. (2008). Various drag models and operational parameters are investigated to find their influence on particle and bubble granular temperatures. Various inlet superficial gas velocities are used in this work to obtain their effect on flow characteristics. It is found that the superficial gas velocity has the most important effect on granular temperatures including bubble granular temperature, particle translational granular temperature and particle rotational granular temperature. The drag force model affects more seriously the large scale variables such as the bubble granular temperature. Restitution coefficient influences all granular temperatures to some degree. Simulation results are compared with experimental results by Müller et al. (2008) showing reasonable agreement. | Yurong He Tianyu Wang Niels Deen Martin van Sint Annaland Hans Kuipers Dongsheng Wen | 2012 | Particuology2012，10，4： | 4 |
| 3 | Aberrant p53 protein expression is associated with an increased risk of neoplastic progression in patients with Barrett’s oesophagus显示文摘 | Florine Kastelein Katharina Biermann Ewout W Steyerberg Joanne Verheij Marit Kalisvaart Leendert H J Looijenga Hans A Stoop Laurens Walter Ernst J Kuipers Manon C W Spaander Marco J Bruno | 2013 | Gut2013，，12： | 2 |
| 4 | Introduction of hygromycin B resistance into Schizophyllum commune: Preferential methylation of donor DNA显示文摘 | Hans Mooibroek Anja G.J. Kuipers Johannes H. Sietsma Peter J. Punt Joseph G.H. Wessels | 1990 | MGG Molecular & General Genetics1990，，1： | 1 |
| 5 | Postoperative Cognitive Dysfunction in Middle-aged Patients显示文摘 | Tim Johnson Terri Monk Lars S. Rasmussen Hanne Abildstrom Peter Houx Kari Korttila Harrie M. Kuipers Chris D. Hanning Volkert D. Siersma Diana Kristensen Jaume Canet Maria Teresa Iba?az Jakob T. Moller | 2002 | Anesthesiology2002，，6： | 1 |
| 6 | MR Enteroclysis: Imaging Technique of Choice in Diagnosis of Small Bowel Diseases显示文摘 | Bart M. Wiarda Ernst J. Kuipers Lex P. J. Houdijk Hans A. R. E. Tuynman | 2005 | Digestive Diseases and Sciences2005，，6： | 1 |
| 7 | Rapid increase of bile salt secretion is associated with bile duct injury after human liver transplantation显示文摘 | Erwin Geuken Dorien Visser Folkert Kuipers Hans Blokzijl Henri G.D. Leuvenink Koert P. de Jong Paul M.J.G. Peeters Peter L.M. Jansen Maarten J.H. Slooff Annette S.H. Gouw Robert J. Porte | 2004 | Journal of Hepatology2004，，6： | 1 |
| 8 | MR Enteroclysis: Imaging Technique of Choice in Diagnosis of Small Bowel Diseases显示文摘 | Bart M. Wiarda Ernst J. Kuipers Lex P. J. Houdijk Hans A. R. E. Tuynman | 2005 | Digestive Diseases and Sciences2005，，6： | 1 |
| 9 | Supervision in social health insurance: a four country study显示文摘 | Hans Maarse Aggie Paulus Gerard Kuiper | | 0，，： | 1 |
| 10 | Pt-Co/SiO2 bimetallic model catalysts for selective hydrogenation of crotonaldehyde显示文摘 | BORGNA A ANDERSON B G SAIB A M BLUHM H HVECKER M KNOP-GERICKE A (Ton) KUIPER A E T TAMMINGA Y (Hans) NIEMANTSVERDRIET J W | 2004 | J Phy Chem B2004，108，17： | 1 |
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