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| 1 | Effect of Diffuser Vane Shape on the Performance of a Centrifugal Compressor Stage显示文摘The present paper reports the results of experimental investigations on the effect of diffuser vane shape on the performance of a centrifugal compressor stage.These studies were conducted on the chosen stage having a backward curved impeller of 500 mm tip diameter and 24.5 mm width and its design flow coefficient is Фd=0.0535.Three different low solidity diffuser vane shapes namely uncambered aerofoil,constant thickness flat plate and circular arc cambered constant thickness plate were chosen as the variants for diffuser vane shape and all the three shapes have the same thickness to chord ratio(t/c=0.1).Flow coefficient,polytropic efficiency,total head coefficient,power coefficient and static pressure recovery coefficient were chosen as the parameters for evaluating the effect of diffuser vane shape on the stage performance.The results show that there is reasonable improvement in stage efficiency and total head coefficient with the use of the chosen diffuser vane shapes as compared to conventional vaneless diffuser.It is also noticed that the aero foil shaped LSD has shown better performance when compared to flat plate and circular arc profiles.The aerofoil vane shape of the diffuser blade is seen to be tolerant over a considerable range of incidence. | T Ch Siva Reddy GV Ramana Murty MVSSSM Prasad | 2014 | Journal of Thermal Science2014，23，2： | 4 |
| 2 | 浸渍硅胶薄层色谱板分离钴和镍及数字图像分析法定量(英文)显示文摘Thin layer chromatography(TLC) of cobalt and nickel has been performed on silica gel layers induced with alkali mediated cellulose extract.A novel combination of 10% aqueous solutions of Tween-20 and potassium thiocyanate in 1∶1(v/v) was identified as the best mobile phase for the selective separation of Co2+from Ni2+on the impregnated Silica Gel G layers.The chromatographic characteristics of the cations were studied and the limits of detection as well as the limits of quantification for Co2+and Ni2+were determined.The quantitative estimation of the cations was achieved from the digital image analysis of respective chromatograms.The proposed quantitative method was successfully applied with 0-0.50% error for the determination of Co2+from Ni2+in spiked samples of bauxite,soil and rock containing common cations such as Al3+,Fe2+,Ti4+,Zn2+,Mn2+,Cu2+,Cr6+,Mg2+,etc.under the optimized chromatographic conditions. | P A MOHAMED NAJAR R G SONALI M T NIMJE K V RAMANA RAO | 2012 | 色谱2012，30，10： | 2 |
| 3 | An efficient load flow solution for radial distribution network including voltage dependent load models显示文摘 | SATYANARAYANA S RAMANA T SIVANAGARAJU S | 2007 | Electric Power Components and Systems2007，35，5： | 1 |
| 4 | The CWSI variations of cotton crop in a semi-arid region of Northeast Brazil显示文摘 | B Barbosa da Silva T V Ramana Rao | 2005 | Journal of Arid Environments2005，62，4： | 1 |
| 5 | Ligand-free copper-catalyzed synthesis of substituted benzimidazoles, 2-aminobenzimidazoles, 2-aminobenzothiazoles, and benzoxazoles显示文摘 | SAHA P RAMANA T PURKAIT N | 2009 | Journal of Organic Chemistry2009，74，22： | 1 |
| 6 | Improving the maximum loading by optimal conductor selection of radial distribution systems显示文摘 | Satyanarayana S Ramana T Rao G K | 2006 | Electric Power Components and Systems2006，34，7： | 1 |
| 7 | Phytochemical and antifungal screening of Eupatorium odoratum 显示文摘 | Ramana P Neelannavar T N Patil S K | 2003 | Indian Journal of Forestry2003，26，1： | 1 |
| 8 | Automatic inter- pretation of magnetic data using Euler deconvolution with nonlinear background显示文摘 | Dewangan P Ramprasad T Ramana M V | 2007 | Pure and Applied Geophysics2007，164，11： | 1 |
| 9 | Activation of apurinic/apyrimidinic endonuclease in human cells by reactive oxygen species and its correlation with their adaptive response to genotoxicity of free radicals显示文摘 | RAMANA C V BOLDOGH I IZUMI T | 2005 | Proc Natl Acad Sci USA2005，95，9： | 1 |
| 10 | Shear resist-ance of high strength concrete beams without shear rein-forcement显示文摘 | Reddy L S Ramana N V Gunneswara T D | 2010 | International Journal of Civil&StructuralEngineering2010，1，1： | 1 |
| 11 | Experimental evaluation of engineering behavior of soft Bangkok clay under elevated temperature显示文摘 | ABUEL-NAGA H M BERGADO D T RAMANA G V | 2006 | Journal of Geotechnical and Geoenvironmental Engineering2006，132，7： | 1 |
| 12 | Simple Multi- ple Regression Model for long range forecasting of Indian Summer Monsoon Rainfall显示文摘 | SADHURAM Y RAMANA MURTHY T V | 2009 | Meteorol Atmos Phys2009，99，： | 1 |
| 13 | Studies on a new marine streptomycete BT-408 producing polyketide antibiotic SBR-22 effective against methicillin resistant Staphylococcus aureus 显示文摘 | Sujatha P Bapi Raju K V V S N Ramana T | 2005 | Microbiological Research2005，160，2： | 1 |
| 14 | Sealoor spreading magnetic anomalies in the Enderby Basin,East Antarctica显示文摘 | Ramana M V Ramprasad T and Desa M | 2001 | Earth and Planetary Science Letters2001，191，： | 1 |
| 15 | One-dimensional fluid and circuit simulation of an AC plasma display cell 显示文摘 | Ramana Veerasingam Robert B Campbell Robert T McGrath | 1995 | IEEE Transactions on Plasma Science1995，23，4： | 1 |
| 16 | Facile and efficient synthesis of fluoroalkyl aryl ethers显示文摘 | Kamal A Pratap T B Ramana K V | 2002 | Tetrahedron Let2002，43，41： | 1 |
| 17 | Behaviour of CFPC strengthed reinforced concrete beams with varying degrees of strengthening显示文摘 | Ramana VPV Kant T Morton S E Dutta P K Mukherjee A Desai Y M | 2000 | J Comp Part B2000，31，： | 1 |
| 18 | Activation of apurinic/apyrimidinic endonuclease in human cells by reactive oxygen species and its correlation with their adaptive response to genotoxicity of free radicals显示文摘 | Ramana CV Boldogh I Izumi T | 1998 | Proc Natl Acad Sci USA1998，95，9： | 1 |
| 19 | The CWSI variations of a cotton crop in a semi-arid region of Northeast Brazil 显示文摘 | SILVA B B RAMANA RAO T V | 2005 | Journal of Arid Environments2005，62，4： | 1 |
| 20 | Activation of apurinic\apyrimidinic endonuclease in human cells by reactive oxygen species and its correlation with their adaptive response to genotoxicity of free radicals 显示文摘 | Boldogh I Izumi T | 1998 | Proc Natl Acad Sci USA1998，95，9： | 1 |
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