East West University is a private university located in Dhaka, Bangladesh. It was established in 1996 by the Private University Act, 1992. Its campus is in Jahrul Islam City, Aftabnagar.The university is accredited by the government of the People’s Republic of Bangladesh, and its curricula and programs have been approved by the Bangladesh University Grants Commission. The President of the People’s Republic of Bangladesh is the Chancellor of EWU. The Vice Chancellor, the Pro-Vice Chancellor, and the Treasurer are appointees of the President of the country in his capacity as the Chancellor of the University.East West University has collaboration agreements with Pace University, Suffolk University, Southern Illinois University, University of Luton, University of Fukui. EWU has entered into collaboration agreements with universities in the USA, UK and Australia.Pharmacy Council of Bangladesh is the sole accreditation authority in Bangladesh to accredit professional degree programme in Pharmacy. The council accredited the Department of Pharmacy, East West University on August 13, 2007.The university has student clubs to promote sporting and academic activities. Wikipedia.
Karim M.A.,United International University Dhanmondi |
Haque A.,East West University of Bangladesh
IEEE Transactions on Electron Devices | Year: 2010
We present a physically based explicit analytical model for the quantum mechanical (QM) correction to the surface potential of nanoscale metaloxidesemiconductor (MOS) devices. The effect of wave function penetration into the gate dielectric is taken into account. Instead of using the band-gap widening approach, which indirectly includes QM correction, the proposed correction term is directly added to the semiclassical surface potential. Under accumulation bias, charges in extended states and quantized states contribute to the surface potential in different ways. The proposed QM correction considers this difference in contributions. Comparison with two existing analytical QM correction models and two self-consistent QM numerical models show that the proposed correction is more accurate than the existing analytical models. The improvement achieved under the accumulation bias is particularly significant. The gate C-V characteristics of a number of different MOS devices have been simulated using the proposed correction. Excellent agreement with published experimental data has been observed. © 2009 IEEE.
Alam K.C.A.,East West University of Bangladesh |
Saha B.B.,Kyushu University |
Akisawa A.,Tokyo University of Agriculture and Technology
Applied Thermal Engineering | Year: 2013
An analytical investigation has been performed to study the possibility of application of solar cooling for the climatic condition of Tokyo, Japan. Silica gel-water adsorption cooling system has been taken into consideration for the present study and lumped parameter model is used to investigate the performance of the system. Based on the solar radiation data it is found that at least 15 collector (each of 2.415 m2) is required to achieve the required heat source temperature (around 85 °C) to run the cooling unit. It is also observed that the solar powered adsorption cooling unit provides cooling capacity around 10 kW at noon with base run conditions, while the system provides solar COP around 0.3, however, the solar collector size can be reduced by optimizing the cycle time. © 2012 Published by Elsevier Ltd.
Amin M.R.,East West University of Bangladesh
Physica Scripta | Year: 2015
Amplitude modulation of electrostatic Langmuir waves in a quantum electron-hole semiconductor plasma is considered in the quantum magnetohydrodynamic regime. The important ingredients of this study are the inclusion of the particle degeneracy pressure, exchange-correlation potential, and the quantum diffraction effects via the Bohm potential. A nonlinear Schrödinger equation (NLSE) is developed for the evolution of the amplitude of the electrostatic wave by employing the standard reductive perturbation technique. The dynamics of the wave in the slow space-time scales is governed by the NLSE. Typical values of the parameters for GaAs, GaSb, and GaN semiconductors are considered in analyzing the nonlinear dispersion of the electrostatic wave. Detail analysis of the nature of the modulation, here modulation instability, in the long-wavelength regime is presented. For some parameter ranges of the semiconductor plasmas, and at the long-wavelength regime, it is found that the electrostatic wave is modulationally unstable. Effects of the exchange-correlation potential and the Bohm potential are also studied. It is found that the exchange-correlation potential has profound effects compared to the Bohm potential in the amplitude modulation of the electrostatic wave. © 2015 The Royal Swedish Academy of Sciences.
Amin M.R.,East West University of Bangladesh
Physics of Plasmas | Year: 2015
Amplitude modulation of a compressional Alfven wave in compensated electron-hole semiconductor plasmas is considered in the quantum magnetohydrodynamic regime in this paper. The important ingredients of this study are the inclusion of the particle degeneracy pressure, exchange-correlation potential, and the quantum diffraction effects via the Bohm potential in the momentum balance equations of the charge carriers. A modified nonlinear Schrödinger equation is derived for the evolution of the slowly varying amplitude of the compressional Alfven wave by employing the standard reductive perturbation technique. Typical values of the parameters for GaAs, GaSb, and GaN semiconductors are considered in analyzing the linear and nonlinear dispersions of the compressional Alfven wave. Detailed analysis of the modulation instability in the long-wavelength regime is presented. For typical parameter ranges of the semiconductor plasmas and at the long-wavelength regime, it is found that the wave is modulationally unstable above a certain critical wavenumber. Effects of the exchange-correlation potential and the Bohm potential in the wave dynamics are also studied. It is found that the effect of the Bohm potential may be neglected in comparison with the effect of the exchange-correlation potential in the linear and nonlinear dispersions of the compressional Alfven wave. © 2015 AIP Publishing LLC.
Rahman S.,University of Plymouth |
Barmon B.K.,East West University of Bangladesh
Energy | Year: 2012
'Gher' farming is a unique system that incorporates the joint operation of three enterprises: freshwater prawn, fish and HYV rice, and is expanding rapidly in the coastal regions of Bangladesh because of its proven high income earning potential. In this paper, the sustainability of this system is evaluated by analysing its performance in terms of energy use by applying a stochastic distance function approach which revealed interesting and unexpected results. The prawn enterprise which is the key income earning component is found to be technically inefficient while the rice enterprise is found to be efficient. The net energy balance and the energy use efficiency of the 'gher' farming system is estimated at 18,510 MJ ha -1 and 1.72 respectively. The 'gher' farmers are operating at a very high level of technical (energy) efficiency (92%). Diversification amongst enterprises is associated with technical (energy) inefficiency. However, larger operation size enhances efficiency. The key policy implication is that the 'gher' farming system can be sustained in the long run provided that productivity from the rice enterprise remains high. Also, policies to support the expansion of 'gher' farm sizes will improve efficiency. © 2012 Elsevier Ltd.