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Browsing Department of Physics (Ph.) by Issue Date

Browsing Department of Physics (Ph.) by Issue Date

Now showing items 1-20 of 63

Prediction of Formation and Tracks of Bay of Bengal Cyclones

Alam, Dr. Md. Mahbub (Dhaka University (DU), Dhaka, Bangladesh., 1998-12)

Rawindsonde data of 0000 UTC for standard isobaric surfaces at the surface, 850, 700, 500, 400, 300, 200, 150 and 100 hPa levels for the periods of different cyclones in the last decade were considered to study the ...
Temperature Dependence of Magnetization and Induced Magnetic Anisotropy of Some Fe, Co and Ni-Based Amorphous Ribbons

Sikder, Shibendra Shekher (Bangladesh University of Engineering & Technology (BUET), Dhaka, Bangladesh, 1999-07)

Ferromagnetic amorphous ribbons of Fe-Si-B, Ni-Fe-B and Co-Fe-B-Si series have been prepared by rapid quenching technique and the amorphousity of the samples has been confirmed by X-ray diffraction technique. The kinetics ...
Effects of Two Step Annealing on Complex Permeability of Fe-Cu-Nb-Si-B Nanocrystalline Soft Magnetic Materials

Noor, Saroaut (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2005-03)

The typical nanocrystalline alloy known as Finemet with the composition Fe73.5Cu jNb3Si135B9 has been studied for the soft magnetic properties. The crystalline phases that evolved after crystallization were studied by ...
Effects of Two Step Annealing on Dynamic Magnetic Properties of Co- and Co-Fe-Based Amorphous Ribbons

Khan, Md. Zakir Hossain (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2005-05)

Co-and Co-Fe-based amorphous ribbons with general composition Co80-xFexB10Si10 have been prepared by the melt- spinning technique where Co has been substituted by Fe from 0 to 8 At%. The amorphousity of the samples has ...
Study of Dynamic Dielectric and Thermal Properties of Sundari Wood Under Different Salinity and Humidity

Alaluddin, Khan (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2005-07)

Sundari wood is very useful as a construction material. Its physical properties were not well studied. Thermal conductivity and dynamic dielectric properties of Sundari wood have been studied for their dependence on ...
Multiple Correlation Between Rainfall of Post-Monsoon Season and the Different Meteorological Parameters of the Monsoon Season Over Bangladesh

Pervin, Shaheena (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2005-10)

In this thesis work attempt has been made to investigate the correlation between the monthly and seasonal rainfall of post monsoon with the dry bulb and wet bulb temperature and rainfall of different months of monsoon ...
Study of Nor'westers and Development of Prediction Techniques in Bangladesh during the Pre-Monsoon Season

Karmakar, Samarendra (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh, 2005-10)

This dissertation is an attempt to study the nor'westers/thunderstorms over Bangladesh and their associated meteorological conditions with a view to finding the possible causes of formation together with the determination ...
Study of the Structural, Magnetic and Electrical Properties of Nickel - Cadmium Ferrites

Nath, Suman Kumar (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2006-07)

This thesis describes the experimental investigation of the structural, magnetic and electrical properties of Nii.CdFe2O4 ferrites for 0.0 :5 x :!~ 0.8, prepared by conventional double sintering ceramic method. The ...
Study of Monsoon Rainfall in Relation to the Movement of Upper Air Anticyclone

Sarkar, Bidhu Bhusion (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2006-12)

Using the Constant Pressure (C.P) chart upper air anticyclonic axis position at 200 and 300 hPa levels were studied. The anticyclonic axis position has been drawn on C.P. chart and location of the axis has been determined ...
Study on The Order-Disorder Phase Transition And Long-Range Order Parameter of Ni-Pt Alloy

Sadik, Md. Wahid (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2007-04)

Study on The Order-Disorder Phase Transition And Long-Range Order Parameter of Ni-Pt Alloy Order-disorder phase transition of Ni05Pt05 equiatomic alloy and doped with Fe and Co with composition Ni045Fe005Pt05 and Ni0 ...
Study of Complex Magnetic Permeability and Structural Properties of Nano Crystalline Fe-Cu-NI-Si-B (M=Mo, Cr & W) Alloys

Roy, Pritish Kumar (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2007-06)

I would like to express my sincere and heartiest gratitude to research supervisor Prof. Dr. Shibendra Shekher Sikder, Department of Physics, Khulna University of Engineering & Technology (KUET) and Co-supervisor Dr. A. ...
Study of Hard Magnetic Properties of Hexagonal Ferrites Using Magnetite from Cox's Bazar Beach Sand with the Addition of Rare-earth Oxides

Rahman, Mohammad Mahbubur (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2007-08)

The structural and magnetic properties of Sr- and Ba-hexaferrites with magnetoplumbite structure of composition (MeO)1-x (La203)x 5.7 Fe203, where x = 0.00, 0.04, 0.08 and MeO. 5.7 Fe203+ [0.7wt% CaO +0.3wt% SiO2] and where ...
Multiple Correlation Between Different Meteorological Parameters in Pre-Monsoon and Monsoon Rainfall over Bangladesh

Yesmin, Lovely (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2008-06)

In this research work we have tried to find out the multiple correlation between five meteorological parameters dry bulb temperature, wet bulb temperature, minimum temperature, maximum temperature and rainfall of pre-monsoon ...
Study of Nanocrystal Formation in Finemet Metallic Glasses and Their Magnetic Properties

Mondal, Siba Pada (2008-11)

This thesis is based on the experimental investigation of nanocrystal formation from Finemet type of amorphous ribbons subjected to controlled thermal treatment and evolution of unique soft magnetic properties that are ...
Study of Rainfall Distributions over Bangladesh associated with Tropical Disturbances in the Bay of Bengal

Ferdousi, Morsheda (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2009-02)

Tropical cyclone is the most disastrous natural phenomenon for Bangladesh. Only preparedness can reduce the losses of lives as well as properties. Rain, one of the three means of destruction due to Tropical cyclone, is ...
Exchange Interaction of Soft and Hard Magnetic Phases in Exchange-Spring Magnet of Nd3Tb1Fe76Cu0.5Nb1B18.5

Ansari, Md. Abu Hanif (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2010-12)

This thesis describes the experimental investigation ofan ingot of composition Nd3Tb1Fe76Cu0.5Nb1B18.5 was prepared by arc melting the constituent elements in an argon atmosphere. The purity and origin 01 the materials ...
Study of Additive Effects on the Structural, Magnetic and Transport Properties of Cobalt Ferrites

Noor, Saroaut (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh, 2011-04)

A detailed study was carried out on four different series of spinel Co-based ferrites, with composition Co1-xCdxFe2O4 and Co1-xZnxFe2O4 (where x = 0.0 - 1.0 in steps of 0.1), rare-earth (RE) substituted diluted system ...
Prediction of High Impact Precipitation Events over Bangladesh and its surrounding areas using NWP Models

Akhter, Md. Abdullah Elias (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh, 2012-03)

Bangladesh is a disaster prone country. Almost every year, the country experience disasters of one kind or another - such as tropical cyclones, storm surges, coastal erosion, hoods due to heavy rainfall and droughts - ...
Electromagnetic Properties of Iron deficient Ni-Cu-Zn Ferrites and the influence of additives as sintering AID

Khan, Md. Zakir Hossain (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh, 2013-01)

The present work is focused on the influence of substitutions and sintering aids on electromagnetic properties of Fe-deficient Ni-Cu-Zn ferrite. Three series of ferrite samples of the compositions (Ni0.28Cu0.10Zn0.62O) ...
Study of Structural, Electrical Transport and Magnetic Properties of Ni-Cu-Zn Ferrites

Bahadur, Suvendu Kumar (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2013-07)

Ni-Cu-Zn ferrites are well known technological magnetic material finding applications in various electrical devices. The present work is focused on the influence on electromagnetic and transport properties of Fe-deficient ...

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