flow past a cylinder

... the flow As a result, flow past a rotating cylinder is more complex than flow past a stationary cylinder Among the many important features of the flow past a rotating circular cylinder, two features ... author will review representative work in flow past both stationary and rotating circular cylinder 2.1 Flow past a stationary circular cylinder 2.1.1 Different regimes of flow past a stationary ... circular cylinder Flow past a stationary circular cylinder is a classic problem in fluid mechanics In the past decades much investigation had been carried out to understand the forces acting...

Ngày tải lên: 09/09/2015, 18:50

... and d) Re = 1067 5.2 Rotating cylinder In the previous section, the PIV measurement for flow past a stationary circular cylinder was discussed As studies on flow past a stationary cylinder have ... help to assure the quality of the following data for flow past a rotating circular cylinder, which unlike flow past a stationary cylinder, had been much less reported, especially experimental investigation ... surface and its subsequent lifting away from the cylinder surface as α increases is also reported in potential flow past a rotating circular cylinder Although the present study is for real (viscous)...

Ngày tải lên: 09/09/2015, 18:51

... the variation of the flow parameters such as Prandtl number Pr, magnetic parameter M, permeability parameter Kp and heat source parameter S The variations in the temperature of the flow field are ... transfer to unsteady magneto-hydrodynamic flow past an infinite vertical moving plate with variable suction Das and his co-workers [16] estimated the mass transfer effects on unsteady flow past ... Unsteady free convective MHD flow and mass transfer past a vertical porous plate with variable temperature Bull Cal Math Soc.2005, 97 (2), 137-146 [15] Ogulu A. , Prakash J Heat transfer to unsteady...

Ngày tải lên: 05/09/2013, 16:10

... details Faculty of Computer and Mathematical Sciences, Universiti Teknologi MARA Pahang, 26400 Bandar Tun Razak Jengka, Pahang, Malaysia 2Centre for Modelling & Data Analysis, School of Mathematical ... the Blasius flow Similar analysis was applied to the Blasius and Sakiadis flows with radiation effects by Bataller [4] Yao et al [40] have very recently investigated the heat transfer of a viscous ... A, Nazar R, Pop I: Flow and heat transfer at a general three-dimensional stagnation point in a nanofluid Physica B 2010, 405:4914-4918 Yacob NA, Ishak A, Pop I: Falkner-Skan problem for a static...

Ngày tải lên: 21/06/2014, 04:20

... [15] Das S S., Satapathy A. , Das J K., Panda J P Mass transfer effects on MHD flow and heat transfer past a vertical porous plate through a porous medium under oscillatory suction and heat source ... periodic permeability Ind J Pure Appl Math 2002, 33(6), 941-949 [13] Chauhan D S., Sahal S Flow and heat transfer over a naturally permeable bed of very small permeability with a variable suction ... 927-941 [9] Sattar M A Free convection and mass transfer flow through a porous medium past an infinite vertical porous plate with time dependant temperature and concentration Ind J Pure Appl Math 1994,...

Ngày tải lên: 05/09/2013, 14:58

... heat transfer along a vertical porous plate with variable suction and internal heat generation Das and his associates [16] studied the mass transfer effects on MHD flow and heat transfer past a ... 1-8 Das S S., Satapathy A. , Das J K and Panda J.P Mass transfer effects on MHD flow and heat transfer past a vertical porous plate through a porous medium under oscillatory suction and heat source ... medium was analyzed by Chamkha and Khaled [9] Nagraju et al [10] discussed the simultaneous radiative and convective heat transfer in a variable porosity medium The problem of heat and mass transfer...

Ngày tải lên: 09/09/2015, 10:32

... Ishihara M, Kamiya N, Komiya A, Shimbo M, Suyama T, Sakamoto S, and Ichikawa T Bisphosphonate and low-dose dexamethasone treatment for patients with hormone-refractory prostate cancer Hinyokika ... standard initial systemic therapy for locally advanced or metastatic disease is hormonal or androgen deprivation therapy (ADT) that may be performed by bilateral orchiectomy or pharmaceutical means ... 84-90 Stathopoulos GP, Koutantos J, Vaslamatzis MM, Athanasiadis A, Papadopoulos G, Labrodimou G, Stathopoulos J, and Rigatos S Survival after cytotoxic chemotherapy in patients with advanced hormone-resistant...

Ngày tải lên: 26/10/2012, 09:48

... explained the free convection flow past a vertical flat plate embedded in a saturated porous medium Takhar et al [11] discussed the unsteady flow and heat transfer on a semi-infinite flat plate ... Hossain and Begum [5] estimated the effect of mass transfer and free convection on the flow past a vertical plate Bestman [6] analyzed the natural convection boundary layer flow with suction and ... Begum R A Effect of mass transfer and free convection on the flow past a vertical plate ASME J Heat Trans 1984, 106, 664-668 [6] Bestman A. R Natural convection boundary layer with suction and mass...

Ngày tải lên: 05/09/2013, 15:28

... [1] Saini J.S Use of artificial roughness for Enhancing Performance of Solar air heater Proceedings of XVII National and VI ISHME/ASME Heat and Mass Transfer Conference, IGCAR, Kalpakkam India 2004; ... rectangular rib roughened passage” International Journal of Heat and mass transfer; 123: 675-681, 2001 [6] Lau S.C., McMillin R.D and Han J.C Turbulent Heat transfer and friction in a square channel ... Tariq, A. , Keshav Kant and Panigrahi, P K., “Heat transfer enhancement using an internally threaded tube”, Proceeding of the 4th ISHMT-ASME and 15th National Conference on Heat and Mass transfer...

Ngày tải lên: 05/09/2013, 16:10

... International: A standard recognized by an international agreement to serve internationally as the basis for fixing the value of all other standards of the given quantity Standard, National: A standard ... standard Standard, Primary: A standard of a particular measure that has the highest metrological qualities in a given field Note: (1) The concept of a primary standard is equally valid for base ... natural gas from the pipeline to the analytical device Gaseous Phase: The phase of a substance that occurs at or above the saturated vapor line of a phase diagram It fills its container and has...

Ngày tải lên: 01/04/2014, 11:02

... 16:153-164 Mahapatra TR, Gupta AS: Heat transfer in stagnation-point flow towards a stretching sheet Heat Mass Tran 2002, 38:517-521 Mahapatra TR, Gupta AS: Stagnation-point flow towards a stretching ... Bachok N, Ishak A, Pop I: Flow and heat transfer over a rotating porous disk in a nanofluid Physica B 2011, 406:1767-1772 38 Yacob NA, Ishak A, Pop I, Vajravelu K: Boundary layer flow past a ... details Department of Mathematics and Institute for Mathematical Research, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia 2School of Mathematical Sciences, Faculty of Science and...

Ngày tải lên: 20/06/2014, 23:20

... factor and surface mass transfer rates increase, whereas the surface heat transfer rate decreases As Le increases, the heat transfer rate decreases, whereas the mass transfer rate increases As ... Madina Al Munawara, Saudi Arabia Department of Mathematics, South Valley University, Faculty of science, Aswan, Egypt Authors’ contributions RSRG conceived of the research and formulated the analysis, ... heat transfer rate, and mass transfer rate have been presented for parametric variations of the buoyancy ratio parameter Nr, Brownian motion parameter Nb, thermophoresis parameter Nt, and Lewis...

Ngày tải lên: 21/06/2014, 05:20

... Tirinkatar-1 and Tirinkatar-2, and the Ashtarak lava flow Tirinkatar-1 and Ashtarak each have volumes ~0.5 km3 The largest volume flank lava flows are part of the trachydacitic Cakhkasar lava flow ... central portion of the lava flow simulation area) comprising lava flows from Shamiram, Atomakhumb, Dashtakar, Blrashark, and Karmratar volcanoes The ANPP site (black box) is located on the Shamiram ... versus lava flow length for each observed lava flow (Figure 7) The same comparison was made for each simulated lava flow Lava flow length for each flow, simulated and observed, was calculated as follows...

Ngày tải lên: 21/06/2014, 19:20

... potentiostat/galvanostat coupled to a PC via a National Instruments MC-GPIB interface card; the system was controlled and data recorded using the EG & G M270 software package The rotation rate of ... Fe(III) and Bi(III)) in the electrolyte on the battery performance was also investigated Experimental All solutions were prepared with water from a Whatman Analyst Purifier, methanesulfonic acid (Aldrich) ... interface card and in-house written software, (ii) a laboratory constructed galvanostat controlled by the PC with a Measurement Computing CIO-DAS-08/JR 12bit interface card, (iii) a model 26 3A EG...

Ngày tải lên: 05/07/2014, 20:21

... February 2010 Accepted: 27 January 2011 Published: 27 January 2011 References Awasthi A, Das A, Srinivasan R, Joshi K: Morphological and immunohistochemical analysis of ductal plate malformation: ... The Apgar score was one and five Intubation was necessary, but despite neonatal intensive care, the baby died a few hours after birth An autopsy revealed a rare malformation of IHBDs known as ... literature of fetal ascites associated with DPM [14] In that case, the massive ascites appeared later in gestation (33 weeks), and the baby died at 36 days of life despite intensive neonatal care...

Ngày tải lên: 11/08/2014, 03:20

... trend data of all measured parameters were stored in a separate file The curves were quantitatively analysed with Microsoft Excel™ to evaluate the duration of the oscillations as a percentage of ... conclusion that the phenomenon is potentially dangerous and harmful There is an airway pressure overshoot, the mean airway pressure is increased and the peak airway pressure may reach values above 50 ... study and participated in interpreting the results RDF performed statistical analysis and drafted the manuscript All authors read and approved the final manuscript Acknowledgements The authors thank...

Ngày tải lên: 12/08/2014, 22:21

... the aggregate pool of Nasdaq market makers and a single NYSE specialist is imperfect The participation rate for Nasdaq market makers in Nasdaq market trades is significantly higher than the participation ... of Nasdaq market makers2 NasdaqTrader web site, www.nasdaqtrader.com Although it can be argued that competition between ECNs and market makers should improve aggregate market quality, it is also ... trader exercises such an option by trading against a stale quote, creating an adverse selection problem for the market makers (Copeland and Galai, 1983) Nasdaq market makers are required to maintain...

Ngày tải lên: 02/11/2014, 00:34

... Jayaraman et al 1983; Jain and Jayaraman 1990) Among such studies, Ramachandra Rao (1983) presented an analytical work on the pulsatile flow in a tube with slowly-varying tube cross-section An ... behavior in a tube with constriction was also analytically studied by Santabrata and Chakravarty (1987) The flow was assumed to be characterized by a power law model The tube wall was treated as an initially ... motion was modeled by two modes separately, i.e by imposing a radially-oscillating or axially-oscillating wave on a tube wall subjected to a pulsatile incoming flow A linear analytical approach was...

Ngày tải lên: 14/09/2015, 09:50

... ProchaskaCue, 1991, 1993) The specific financial management practices of family financial managers are examined in this study From the analysis of that data, various constructs and relationships are ... Qualitative Methods This study used a qualitative method to develop a cash management framework Fayol (1929) suggested that to study what a manager does one must ask the manager as well as watch ... manager has a process or a regular method to handle cash flow management The ©1999, Association for Financial Counseling and Planning Education process is systematic and formalized, done in a...

Ngày tải lên: 29/09/2015, 08:34

Ngày tải lên: 27/11/2015, 11:19