A study of the flow in an s shaped duct 6

... 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

... 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

... governing the flow in curved and S- shaped ducts Some data scatter in the plots are noted and explained These observations are presumably traced to factors like existence of flow separation, presence ... improving flow uniformity at the exit In fact, these three methods increase the swirl in the Sduct as a result of an increase in the radial pressure dif...

Ngày tải lên: 14/09/2015, 08:37

... Bloor Street average on -street parking usage         Bike Lanes, On -Street Parking and Business 19 Table Bloor Street and Spadina Road average on -street parking usage MorningNumber Afternoon Street ... TPA has a robust, sophisticated, and reliable system for tracking parking usage.   Bike Lanes, On -Street Parking and Business 12 TPA supplied Jul...

Ngày tải lên: 18/02/2014, 00:20

... 新加坡《小学华文》真实性研究 A STUDY OF THE AUTHENTICITY IN CHINESE TEXTBOOK FOR PRIMARY STUDENTS OF SINGAPORE 王颖 WANG YING (B .A, TJNU) 新加坡国立大学中文系 硕士学位论文 A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ARTS DEPARTMENT OF ... T) The issue of authenti cit y of t ext and int eractions is fast becomi ng a m ajor focus in language p...

Ngày tải lên: 26/09/2015, 10:13

... and syntactic features of phrases and sentences by taking Trinh Cong Son’s songs as the data 9 10 - Describing and analyzing the collected data to find out the semantic features of lexicon and ... FINDING AND DISCUSSION By using the strategies suggested by Newmark and Baker and Catord, we examine the semantic features of words and phrases in...

Ngày tải lên: 26/11/2013, 13:23

... that EFL teachers at high schools in Nghe An had been facing a lot of difficulties in teaching listening in general and in teaching listening sections in "Tieng Anh 11" in particular The prominent ... displayed an evaluation of the pilot teaching as an evidence of effective application of listening strategies, teaching aids as well as i...

Ngày tải lên: 14/12/2013, 00:41

... this article as: Takigami et al., Functional bracing for delayed union of a femur fracture associated with Paget's disease of the bone in an Asian patient: a case report Journal of Orthopaedic ... common disease in Australia, New Zealand, North America and most European countries, but it has a low incidence in Scandinavia, and is extremely r...

Ngày tải lên: 20/06/2014, 04:20

... were the pathologists and involved in laboratory investigation AVSR was involved in collecting data, laboratory investigation, carried out the immunoassays All authors read and approved the final ... Esophagus An infiltrative proximal Adenocarcinoma over a long BarAn infiltrative proximal Adenocarcinoma over a long Barrett's Esophagus Undifferentiated adenocarcinoma ar...

Ngày tải lên: 09/08/2014, 04:21

... a recurrence in the univariate analysis This analysis revealed radiotherapy at recurrence as a significantly worse prognostic factor compared with adjuvant radiotherapy The addition of radiotherapy ... are members of the "Rare Cancer Network" [12] This study aims to contribute to an assessment of the therapeutic value of radiotherapy in the multimoda...

Ngày tải lên: 09/08/2014, 10:21