In this analysis we discuss the effect of radiation and thermo-diffusion on convective heat and mass transfer flow of viscous incompressible fluid through a porous medium in a vertical channel with Non-Darcian approach. The governing coupled non-linear equations are linear zed with perturbation technique and solved. Many results obtained were represented graphically to illustrate the influence of the radiation and soret parameter on velocity, temperature, concentration profiles, Nusselt number and Sherwood number.
Key words:Thermal diffusion, Radiation, Non-Darcy, Heat transfer, Mass transfer, Porous medium, Nusselt number, Soret parameter, Sherwood number.
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Keywords –CVT, Slip control,Set point of slip control
[2] Determination of variator robustness undermacro slip conditions for a push belt cvt. SAEworld congress 2004.
[3] Supervisor: dr. P.A. Veenhuizen Technische University Eindhoven Department Mechanical EngineeringDynamics and Control Technology Group
This work investigated the compressive strength of ternary blended cement concrete containing cassava waste ash (CWA) and coconut husk ash (CHA). 105 concrete cubes of 150mm x 150mm x 150mm were produced with OPC-CWA binary blended cement, 105 with OPC-CHA binary blended cement, and 105 with OPC-CWA-CHA ternary blended cement, each at percentage OPC replacement with pozzolan of 5%, 10%, 15%, 20%, and 25%. Three cubes for each percentage replacement of OPC with pozzolan and the control were tested for saturated surface dry bulk density and crushed to obtain their compressive strengths at 3, 7, 14, 21, 28, 50, and 90 days of curing. The 90-day strengths obtained from ternary blending of OPC with equal proportions of CWA and CHA were 26.20N/mm2 for 5% replacement, 25.00N/mm2 for 10% replacement, 24.10N/mm2 for 15% replacement, 22.40N/mm2 for 20% replacement, and 21.80N/mm2 for 25% replacement, while that of the control was 24.00N/mm2. The results show that very high concrete strength values could be obtained with OPC-CWA-CHA ternary blended cement when high control measures are applied and at longer days of hydration. Thus, OPC-CWA-CHA ternary blended cement concrete could be used in civil engineering and building works where early strength is not a major requirement.
Keywords:Binary blended cement, ternary blended cement, compressive strength, concrete, pozzolan, cassava waste ash, coconut husk ash.
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[5] Cordeiro, G. C., Filho, R. D. T., & Fairbairn, E. D. R. (2009). Use of ultrafine saw dust ashwith high-carbon content as pozzolan in high performance concrete. Materials and Structures, 42: 983–992. DOI 10.1617/s11527-008-9437-z.
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[7] Dwivedia, V. N., Singh, N. P., Das, S. S., & Singh, N. B. (2006). A new pozzolanic materialfor cement industry: Bamboo leaf ash. International Journal of Physical Sciences, 1 (3): 106-111.
[8] Elinwa, A. U., &Abdulkadir, S. (2011). Characterizing Sawdust-ash for Use as an Inhibitorfor Reinforcement Corrosion. New Clues in Sciences, 1: 1-10.
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[11] Elinwa, A. U., Ejeh, S. P., &Mamuda, M. A. (2008). Assessing of the fresh concreteproperties of self-compacting concrete containing sawdust ash. Construction and Building Materials Journal, 22: 1178 - 1182.
[12] Fadzil, A. M., Azmi, M. J. M., Hisyam, A. B. B., &Azizi, M. A. K. (2008). EngineeringProperties of Ternary Blended Cement
A new series of transition metal (II) complexes of 2-(5-mercapto-1, 3, 4-oxadiazol-2-yl) phenol of a ligand,(where [M = Cu(II), Co(II), Ni(II) and Zn(II)] have been designed and synthesized by 2-hydroxybenzohydrazide in ethanol with carbandisulphide and KOH. All the synthesized complexes were characterized by analytical data, magnetic susceptibility measurements, IR, UV-Vis, 1H-NMR, 13C NMR and EPR spectral techniques. Spectral and magnetic studies of the metal (II) complexes suggest an octahedral geometry around the metal ion. The electrolytic behavior and monomeric nature of the complexes were confirmed from their conductance data. The redox behaviour of the copper (II) complex has been studied by cyclic voltammetry. The second harmonic generation (SHG) efficiency was measured by Kurtz and Perry method. The ligand and their metal complexes were screened by Well diffusion method. The interaction of complexes with CT- DNA was investigated by viscosity measurement. Results suggest that all the complexes bind to DNA via an intercalative mode. The DNA cleavage ability of all the complexes was examined on calf thymus (CT-DNA) plasmids using gel electrophoresis experiment in presence of H2O2. From the results it is concluded that all the complexes cleave DNA.
Keywordsu :1,3,4- oxadiazole, octahedral geometry ,SHG , biological activity, DNA cleavage
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Keywords :Electromagnetic Waves, Noise Rejection Properties, Reflector Surfaces, Circular Polarization.
[1] Antenna Theory , Analysis And Design By Constantine A. Balanis
[2] Antenna Engineering Handbook ( A.W. Love And T.S. Bird)
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This paper focuses on the experimental study of using locally available granite powder as fine aggregate and partial replacement of cement with admixtures in the production of HPC with 28 days strength to the maximum of 60 MPa. The influence of water cement ratio and curing days on mechanical properties for the new concrete mixes were premeditated. The percentage of granite powder added by weight was 0, 25, 50, 75 and 100% as a replacement of sand used in concrete and cement was replaced with 7.5 % silica fume, 10% fly ash, 10% slag and the dosage of superplasticiser added 1% by weight of cement. The test results show clearly that granite powder of marginal quantity, as partial sand replacement has beneficial effect on the above properties. The highest strength has been achieved in samples containing 25% granite powder together with admixtures. Based on the results presented in this paper, it can be concluded that concrete mixture can be prepared with granite powder as an additive together with admixtures to improve the strength of concrete structure.
Keywords : concrete properties, fly ash, granite powder, HPC, silica fume, slag
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This article stresses on how ICT helps in improving the quality of education stating that information and communication technology is an important instrument that can transfer the present isolated, teacher- centered and book-centered learning environment into a student –centered environment. ICT can change the traditional concept of learning process and the components of ICT should be integrated in the education program me in such a way that teaching should be enabled to face the new demands and improve the efficiency and effectiveness of education at all levels in both formal and non-formal settings.ICT not only enhances the learning experience of student but also helps them develop the skill essential to participate effectively in the world of affairs. Knowledge of ICT and skills to use ICT has gained immense importance for today's teacher. The new learning environment developed by the ICT is called Interactive Learning Environment. ICT aims at transferring the old traditional paradigm of learning to the new paradigm of learning. Thus, we must accept the new paradigm and technology in teaching learning process. Educational institutions need to develop strategies, plan to improve teaching-learning process and ensure that all teachers are well prepared to use the new tools for learning. The emergence of the knowledge-based society is changing the global status of education .Now; it is the time to develop a new knowledge-based global society. In developing countries like India, there are many untrained teachers in this area. The new ICT would be able to reach these teachers and can provide quality education all around the globe.
Keywords :communication, ICT, interactive learning, pedagogy, technology.
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A mass customization framework fits well together with agile production. Even though the mass customization principle is relatively simple, implementation is not easy. The target of this research was to develop and test a method for implementing comprehensive mass customization framework in a manufacturing company. Radical changes in a company's operations are done at high risk. Especially small companies need to carefully think whether to change their way of operating. This paper describes a method that helps the company to understand what mass customization is and to give directions to implement a framework for it with relatively low resources.
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Wireless sensor networks, is always a challenging field with few foremost criteria like energy, distance, load etc .A wireless sensor networks can be described as a collection of spatially distributed autonomous sensors, which are widely used in many fields to gather sensitive information and then forwarded to an analysis centre. But still there are many problems in traditional single sink based sensor network. The main problem is the energy of the sensor's near the sink or on the critical path consumes too fast causing unbalance energy consumption. Due to heavy energy consumption the single sink based network causes the breakdown of the whole network. So, over here, we are implementing a new routing algorithm, reliability based path selection approach in multi sink sensor networks. We will also prove that the result of this algorithm is optimum than the traditional method to enhance the life time of Wireless sensor networks.
Keywords : Beacon Signal, Multi-Sink, Optimum Path, Routing Protocol, Wireless Sensor Network.
[2] E. I. Oyman, Multiple Sink Location Problem and Energy Efficiency in Large Scale Wireless sensor networks, Bogazici
University, Ph.D. Thesis, 2004.
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Magazine, Vol.40, No.8,2002, pp.102-114,2007.
[4] Jamal N. Al-Karaki Ahmed E. Kamal, Routing Techniques in Wireless sensor networks, A Survey Dept. of Electrical and
Computer Engineering Iowa State University, Ames, Iowa 50011Vol. 11, No. 2, pp. 285-298, March 2005
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Networks, Proc. 33rd Hawaii International Conference on System Sciences, 2000
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trans Netw vol 16. no 4 pp 892-903,. Aug 2008
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no 12 ,pp 3359-3367, Dec 2011
[8] Lal Pratap verma, Aniket Mtahuriya and Rajneesh Manwall , Enhance Location Based Power Aware Routing Protocols In Ad-
Hoc Network, International journal of computers & Technology vol 2 no3,ISSN: 2277-3061, June 2012.
[9] Shaohua Wan and Yanxiang He, K-Multi path Routing Mechanism with Load Balancing in Wireless sensor networks,
Proceedings of the Second Symposium International Computer Science and Computational Technology, ISCSCT
'09,Huangshan, P. R. China, 26-28 , pp. 385-388, Dec. 2009.
[10] Yuan Xue, Yi Cui and Klara Nahrstedt, Maximizing Lifetime for Data Aggregation in Wireless sensor networks, Mobile
Networks and Applications, Volume 10, Issue 6, Pages 853 – 864, Dec 2005.
With the advent of 21st century, enterprises developed warehousing solutions and the early solutions were such that multiple warehouses were created within a single enterprise. Though data warehousing has become a benchmark of data integration yet no generic tool cut across type,complexity,enterprise has been proposed as of yet.In this paper, we propose a tool which can create warehouse irrespective of type, complexity,enterprise work etc.Proposed tool creates dimension tables and fact table by evaluation the data present in various data sets (data sources). User/Administration intervention required is minimal; however access required for data sources is essential.
Keywords :OLAP, Data Warehouse, Enterprise, Data Sources
[2]. MA Butt, SMK Quadri, M Zaman," Data Warehouse Implementation of Examination Databases", International Journal of Computer Applications 44 (5), 18-23.
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[6]. Zaman, Majid, S. MK Quadri, and Muheet Ahmed Butt. "Generic Search Optimization for Heterogeneous Data Sources." International Journal of Computer Applications 44.5 (2012): 14-17.
[7]. EM Zaman, EMA Butt. "Information Integration: An Enterprise Solution" International Journal of Engineering Science and Innovative Technology (IJESIT) Volume 2, Issue 1, January 2013: 315-317