Experience

Teaching Experience

Lecturer (May 2022-Present)

Department of Mechanical Engineering (ME)

Bangladesh University of Engineering and Technology (BUET)

Task Performed:

Delivered comprehensive lectures on theoretical and laboratory courses for undergraduate students across various engineering departments
Designed and developed assessments to evaluate student understanding and progress.
Evaluated student performance through grading and feedback to ensure learning objectives were met.

Mentoring Experience

Undergraduate Thesis Mentor (January 2022-Present)

Department of Mechanical Engineering (ME)

Bangladesh University of Engineering and Technology (BUET)

Task Performed:

Guided students through research methodologies, documentation practices, and thesis defense preparation, ensuring their academic growth and success.
Provided instruction on Atomistic Simulation Software (LAMMPS) and Molecular Dynamics Code Development, equipping students with essential skills for their research.
Offered expert advice on LaTeX Documentation and Research Paper Writing, enhancing the clarity and quality of their academic work.
Supported the students in their undergraduate thesis defense presentation and co-authored a journal paper, contributing to their scholarly achievements.

Undergraduate Theses Mentored:

"Desalination Performance of Nanoporous MoS2 Membrane for Different Salts of Saline Water: A Molecular Dynamics Study"
Mentored Students: Rashed Nizam and Nudrat Nawal

NB: This research led to the preparation of a journal paper.

"A Study of Thermal Conductivity of Partial Periodic Si/Ge Superlattice in Si Nanowire"
Mentored Students: Kamrul Hasan Rafi and Azmir Hasan Sunny

NB: This research led to the preparation of a conference paper.

Industrial Experience

In front of BATB Office

With our Manager

British American Tobacco Bangladesh (BATB)

Location: Mohakhali, Dhaka, Bangladesh

During my two-week internship at British American Tobacco Bangladesh, which was part of the mandatory noncredit course ME 370 at Bangladesh University of Engineering and Technology (BUET), I had the privilege of participating in the first-ever training program organized for undergraduates. Although the internship duration was shortened due to COVID-19, this initiative—a collaboration between the Department of Mechanical Engineering at BUET and British American Tobacco Bangladesh, one of the highest revenue contributors in the private sector, accounting for 84% of the total tax revenue—provided an invaluable introduction to industrial operations.

Task and Responsibilities performed at BATB

In the Manufacturing Unit, I gained valuable insights into the different machines and their working principles, along with the various control systems that ensure their smooth operation. I learned about the maker machines, where tobacco-based products are crafted, and the packer machines, which are responsible for packaging these products for the commercial market. This hands-on exposure allowed me to appreciate the complexity and precision required in manufacturing.
Following this, I explored the Utility Department, gaining a comprehensive understanding of the company’s critical support systems. I reviewed their power generation system, boiler operations, central compressor unit, HVAC system, Biofilter, and water recycling plant, which gave me a broader perspective on how these utilities integrate to ensure seamless production.

This internship not only deepened my technical knowledge but also marked a significant milestone in my academic journey, bridging the gap between theoretical learning and practical application.

Overview of the entire process in BATB

Process flow in the Primary Manufacturing Department (PMD)

Tobacco to Cigarette in Maker Machine

Final product in Packed in Packer Machine

Process in Filter Manufacturing Department (BATB)

Parts of the Power Generation Unit (Boiler) (BATB)

Central Compressor Unit of BATB

Central HVAC unit of BATB

Central Vacuum Unit of BATB

Biofilter in BATB

Water Recycle systems in BATB

BUET Gas Power Plant

BUET Diesel Power Plant

Industrial Training on 5 MW Gas Engine Operated BUET Power Plant

Location: BUET New Academic Bldg. Rd, Dhaka -100, Bangladesh

The BUET Power Plant, located at the West Palashi campus of the Bangladesh University of Engineering and Technology (BUET), is a 5 MW gas engine facility designed to meet the electrical energy demands of the university. This power plant operates daily from early morning until midnight, supplying electricity through an 11 kV underground cable to three sub-stations, distributing power at 230 V to buildings, pumps, and street lighting. During the night, the power supply is seamlessly transitioned to the Dhaka Electric Supply Authority (DESA) grid using Automatic Transfer Switches (ATS), ensuring continuous power supply without manual intervention. In addition to the gas engine plant, there is a planned 800 kW diesel plant, currently not in use but intended for future operations when gas is unavailable.

Task and Responsibilities performed at BUET Power Plant

During my time at the BUET Power Plant, I conducted an in-depth analysis of the generation unit, focusing on the gas engine and its supporting subsystems. My work involved:

Examining the specifications and operational details of the internal combustion (IC) engine.
Assessing key subsystems, including the engine mounting, starting system, air intake system, fuel supply system, ignition system, cooling system, lubrication system, exhaust system, engine protection, and governing systems.
Analyzing performance data to evaluate engine efficiency and operational effectiveness.
Plotting performance graphs, such as the variation of exhaust gas temperature with power and the variation of Brake Specific Fuel Consumption (Bsfc) with Brake Power (BkW), to provide insights into the engine's performance under different load conditions.
Training a group of 60 students on the various components and subsystems of the gas engine. This involved hands-on sessions where I explained each subsystem's function and operation in detail.
Guiding these students in preparing a comprehensive report documenting the entire power generation and distribution process at the BUET Power Plant, ensuring they gained practical, real-world insights into its operations.

This work contributed to a comprehensive understanding of the power plant's operational dynamics and efficiency, while also providing valuable educational experiences for the students, equipping them with practical knowledge and skills in power generation and distribution.

Flow Diagram of Generation Unit

Engine Lubricating system

Air Intake System

Engine Cooling System

Engine Exhaust System

Engine Fuel supply system

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