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Tauseef Akbar,Dr. Amjad Ullah Gussan Maaz Mufti,Numan Khurshid 보안공학연구지원센터 2015 International Journal of Smart Home Vol.9 No.8
Pakistan is facing energy crisis from last decade in spite having huge potential of solar energy. This research work will provide an assessment of the solar potential of Khyber Pakhtunkhwa (K.P.K) region. A comparison of the economic and financial analysis(Net Present Value, Internal Rate of Return, Payback period, and simple payback period) for a stand-alone PV systems for different regions of K.P.K have been done by simulating the solar systems on RET Screen. RET Screen has also been used for studying the effects of slope, latitude, orientation and geographical conditions of the selected six sites of K.P.K. Also, environmental effects such as Greenhouse gas (GHG) emission have been calculated and finally an optimum location for the installation of the solar panels has been proposed based on the results of the RET Screen.
SOLVING HIGHER-ORDER INTEGRO-DIFFERENTIAL EQUATIONS USING HE'S POLYNOMIALS
SYED TAUSEEF MOHYUD-DIN,MUHAMMAD ASLAM NOOR 한국산업응용수학회 2009 Journal of the Korean Society for Industrial and A Vol.13 No.2
In this paper, we use He's polynomials for solving higher order integro differential equations (IDES) by converting them to an equivalent system of integral equations. The He's polynomials which are easier to calculate and are compatible to Adomian's polynomials are found by using homotopy perturbation method. The analytical results of the equations have been obtained in terms of convergent series with easily computable components. Several examples are given to verify the reliability and efficiency of the proposed method.
Munawar Tauseef,Manzoor Sumaira,Jabbour Karam,Nisa Mehar Un,Sardar Sonia,Mukhtar Faisal,Osman Sameh M.,Esan Muhammad Fahad,Ashiq Muhammad Naeem,Iqbal Faisal 한국세라믹학회 2024 한국세라믹학회지 Vol.60 No.4
High-porosity nanostructured materials are in high demand for use in electrochemical supercapacitor applications due to their immense specific surface areas, which allow for significant energy storage capacity. Using Ti(CH3COO)2⋅2H2O and nitrate salts of dopants such as Cerium, Samarium, Holmium, and Ytterbium as precursors, we synthesized mixed metal-doped TiO2 nanostructures using a facile sol–gel approach. The Ce/Ho Co-doped TiO2 nanostructures-based supercapacitor electrodes retained 99.28% of their capacity after 5,000 cycles, with a specific capacitance of 1714 F g−1 at a current density of 2.0 A g−1. The enhanced electrochemical performance of the optimized Co-doped TiO2 nanostructures can be attributed to the increased TiO2 conductivity due to the optimization of co-doping and the increased specific surface area as a result of structural porosity. These results suggest that porous co-doped TiO2 nanostructures have a wide spectrum of potential electrochemical applications.
Munawar Tauseef,Bashir Ambreen,Mukhtar Faisal,Nadeem Muhammad Shahid,Manzoor Sumaira,Ashiq Muhammad Naeem,Khan Shoukat Alim,Koc Muammer,Iqbal Faisal 한국세라믹학회 2023 한국세라믹학회지 Vol.60 No.6
One of the main goals of energy conversion research is to develop effi cient, nonprecious, and stable electrocatalysts to replace defi cient and unstable noble metal catalysts. Hence, this work described metal–organic frameworks (MOFs) derived ZnO/C hybrid via a hydrothermal route grown on the surface of conducting stainless steel substrate (SS). By using multiple physical techniques (XRD, FTIR, TEM, XPS, and EDX), we compared structural and morphological properties of ZnO/C hybrid and MOF-5 electrodes. The electrocatalytic behaviour of amiable and economical ZnO/C/SS catalyst was noticed in catalyzing oxygen evolution reaction (OER) in one mole KOH electrolyzer with low overpotential and excellent stability. Cyclic sweep voltammetry indicated that the ZnO/C/SS hybrid only needs an ultralow overpotential of 282 mV to achieve a current density of 10 mA cm −1 for OER. In addition, ZnO/C/SS with a low Tafel slope of 39.3 mV/dec and higher 0.29 s −1 turnover frequency can serve as a profi cient electrocatalyst compared to commercial ZnO and MOF-5 electrodes. The stability of ZnO/C/SS hybrid electrocatalyst approaching minor chronoamperometric degradation after 55 h. The electrochemical response depicts that the successful synthesis of MOF-derived ZnO/C/SS catalyst provided abundant active centers and boosted an electron- rich environment to promote its future prosperity and facilitate practical applications for electrochemical water-splitting.
Syed Tauseef Mohyud-Din,Ahmet Yildirim 한국전산응용수학회 2011 Journal of applied mathematics & informatics Vol.29 No.1
The aim of the paper is to apply Homotopy Perturbation Method (HPM) for the solution of a nonlinear fractional differential equation. Finally, the solution obtained by the Homotopy perturbation method has been numerically evaluated and presented in the form of tables and then compared with those obtained by truncated series method. A good agreement of the results is observed.
SOLUTION OF TENTH AND NINTH-ORDER BOUNDARY VALUE PROBLEMS BY HOMOTOPY PERTURBATION METHOD
SYED TAUSEEF MOHYUD-DIN,AHMET YILDIRIM 한국산업응용수학회 2010 Journal of the Korean Society for Industrial and A Vol.14 No.1
In this paper, we apply homotopy perturbation method (HPM) for solving ninth and tenth-order boundary value problems. The suggested algorithm is quite efficient and is practically well suited for use in these problems. The proposed iterative scheme finds the solution without any discretization, linearization or restrictive assumptions. Several examples are given to verify the reliability and efficiency of the method. The fact that the proposed homotopy perturbation method solves nonlinear problems without using Adomian’s polynomials can be considered as a clear advantage of this technique over the decomposition method.
Solving Higher-Order Integro-Differential Equations Using He`s Polynomials
Syed Tauseef Mohyud Din,Muhammad Aslam Noor 한국산업응용수학회(구 한국산업정보응용수학회) 2009 한국산업정보응용수학회 Vol.13 No.2
In this paper, we use He`s polynomials for solving higher order integro differential equations (IDES) by converting them to an equivalent system of integral equations. The He`s polynomials which are easier to calculate and are compatible to Adomian`s polynomials are found by using homotopy perturbation method. The analytical results of the equations have been obtained in terms of convergent series with easily computable components. Several examples are given to verify the reliability and efficiency of the proposed method.