Electrostatics of granular flow in pneumatic conveying systems

... and pneumatic conveying systems Investigations of granular flow in pneumatic conveying systems have drawn more attention; since it is essential for the design and operation of granular related industrial ... Schematic of particle flow in three different flow patterns in pneumatic conveying: (a) Dispersed flow; (b) Reverse flow; (c) Half-ring flow; (d) R...

Ngày tải lên: 14/09/2015, 09:07

... data types 2) the definition of new operators for these data types 3) the implementation of new access methods for data types 4) optimized query processing for commands containing new data types ... relation number of index keys in an index number of pages in the index the constant appearing in: rel-name.field-name OPR value the maximum value in the key range if kno...

Ngày tải lên: 22/10/2013, 10:15

... Tutorial Dialogue Systems International Journal of Artificial Intelligence in Education, 16 C Rich and C L Sidner 1998 COLLAGEN: A Collaboration Manager for Software Interface Agents User Modeling and ... User-Adapted Interaction, 8(3-4) M Rotaru and D Litman 2006 Exploiting Discourse Structure for Spoken Dialogue Performance Analysis In Proc of EMNLP M Walker, D Litman, C...

Ngày tải lên: 20/02/2014, 12:20

... Bing Liu 2006 Web Data Mining Springer, Berlin Xin Lu 2007 Expert Tutoring and Natural Language Feedback in Intelligent Tutoring Systems Ph.D thesis, University of Illinois at Chicago Antonija ... improves learning: Experiments in natural language generation for intelligent tutoring systems In ACL05, 36 Proceedings of the 42nd Meeting of the Association for Computation...

Ngày tải lên: 31/03/2014, 00:20

Ngày tải lên: 01/04/2014, 11:21

... set and sends back HCM Terminate (b) Proposed soft handoff procedure Figure 6: Soft handoff algorithm and procedure 4.2 Soft handoff One of the major benefits of a CDMA system is the ability of a ... Spain, September 2004 [7] J Yao, T C Wong, and Y H Chew, Cross-layer design on the reverse and forward links capacities balancing in cellular CDMA systems,” in Proceedings...

Ngày tải lên: 22/06/2014, 22:20

... hardness and modulus of elasticity of the archwire and bracket, variations of manufacturing processes including milling and casting of brackets, as well as clinical procedures like mode of ligation [13,14] ... Measurements of slot precision were performed starting with the insertion of the smallest pin gauge with a dimension of 0.456 mm (0.01795 inch), Figure Consecutive...

Ngày tải lên: 11/08/2014, 20:20

Ngày tải lên: 13/11/2014, 10:12

... performance of S- shaped ducts are thus a reduction in flow distortion at the duct exits, maximizing the flow rate and hence minimising the total pressure losses and elimination of flow separation ... exist in the flow visualisation of Mees et al (19 9 6a) and Wang and Yang (2005) and these are reproduced in Fig 1. 4 and 1. 5 respectively In Fig 1. 4,...

Ngày tải lên: 14/09/2015, 08:37

... diffuser was connected to an axial fan, using a flexible canvas tube to minimise vibrations from the fan transmitted upstream to the test section The uncertainty in the spatial measurement and probe ... visualisation can be conducted and viewed from the side and the top The coordinate system used in this experiment is shown in Fig 2. 3 and its origin is at the cente...

Ngày tải lên: 14/09/2015, 08:37

... plotted against (s/ SO) 3. 3 .3. 2 Circular and Square Cross-sectioned S- shaped Duct Applying the same idea to the side wall CP data for flows in circular and square cross sectioned S- shaped ducts, the ... for all the flow cases, was computed and as before these results are shown as plots of (s/ SO) versus (s/ SO) and compared to those when no VGs are installed The...

Ngày tải lên: 14/09/2015, 08:37

... boundary layer thickness, measured using a single hot-wire at a flow speed of 15 m /s, was 7.5 mm (or 0.05D) The side wall Cp was measured using the Scanivalve system and the total pressure and ... radial co-ordinate directed towards the centre of curvature (same as y axis at the exit plane of the duct) , z = the vertical co-ordinate and = the turning angle of...

Ngày tải lên: 14/09/2015, 08:37

... Chapter Fig 5. 2 shows the internal planes within the S- duct where measurements were taken With the inlet plane denoted as Plane and the exit plane as Plane 9, the remaining Planes to are distributed ... at equal angular intervals along the S- duct test section Transverse slots along each plane were cut on the top wall of the S- duct so that the cobra probe can...

Ngày tải lên: 14/09/2015, 08:37

... mass injection for the blowing and VG cases The mass flow rate ratio (i.e mass flow rate of air injection to the mass flow rate in the S- duct) of the various cases can be computed for tangential ... implemented, the radial pressure difference between the side walls increases, resulting in a stronger swirl in the S- duct Using total pressure and cross f...

Ngày tải lên: 14/09/2015, 08:37