Badhan Saha

Ahsanullah University of Science & Tech · Department of Mechanical & Production Engineering (MPE)

Polymeric materials have been of utmost importance in numerous industries over the past few decades, from packaging and transportation to electronics, farming, healthcare, and construction, greatly influencing human lives. Polymers have many advantages, such as exhibiting high strength and modulus-to-weight ratios (they are lightweight but possess...

Magnetic nanoparticles (MNPs) are at the forefront of numerous groundbreaking innovations and revolutionizing fields such as medicine, energy, and electronics. It has shown benefits of using it in applications of medicine, efficient drug delivery systems, cancer treatment, magnetic resonance imaging, theragnostic, heavy metal ion, environmental rem...

Airplanes stay lifted into the air due to the pressure difference exerted on their wings. Wings of aircraft are designed to generate lift by directing airflow such that it accelerates over the top and presses down more intensely on the underside. Although there exists a substantial body of literature that delves into the significance of airfoil des...

There is a significant potential for biocomposites in tissue engineering and regenerative medicine. Collagen, alginate, cotton fibroin, cellulose, starch, and many other biocomposites find use in the food, biomedical, regeneration, agricultural, packaging, and pharmaceutical sectors, among others, because of their biocompatibility, bioactivity, and...

Applying conventional concrete materials in civil infrastructures can result in structural failure due to their high rigidity, posing significant risks to human safety. As a result, engineered cementitious composite (ECC) has emerged as a feasible solution to address the issues due to their exceptional mechanical properties, tension strain-hardenin...

Applying conventional concrete materials in civil infrastructures can result in structural failure due to their high rigidity, posing significant risks to human safety. Therefore, composite materials have gained significant recognition for their exceptional properties, sustainability, and economic advantages over the years. However, fiber-reinforce...

The impetus to support the advancement of natural fiber-reinforced composites (NFRCs) in various industries stems primarily from the need to curtail energy consumption and mitigate environmental effects. In contrast to synthetic fibers, natural fibers offer various advantages, such as biodegradability, reduced weight, affordability, superior life-c...

The accumulation of waste derived from polymers and biopolymers is one of the most significant challenges contemporary civilizations face. Traditional waste disposal methods, such as open burning, landfilling, and incineration, are all instances of practices that result in the release of greenhouse gases and financial losses. In contrast, cutting-e...

Hybrid composite materials are commonly utilized in engineering applications that necessitate a high strength-to-weight ratio, cost-effectiveness, and ease of production due to their exceptional performance in these domains. The attainment of specific properties, such as the combination of tensile modulus, compressive strength, and impact strength...

A circular economy and solutions to environmental issues are two areas where biobased composites have emerged as a promising option for numerous businesses. These composites, which include natural fiber, biodegradable, hybrid, and nanocomposites, are made from renewable resources and have a variety of advantageous characteristics that have already...

The emergence of biobased composites has significantly contributed to environmentally sustainable technology within material science. Using natural fibers and bio-resins in biocomposites yields superior eco-design advantages compared to synthetic fiber-reinforced composites. Biodegradable, sustainable, ecologically friendly, and renewable natural p...

Composite materials, which first appeared in the middle of the 20th century, are currently one of the most intriguing study areas in contemporary research. One of the burgeoning topics in polymer science that has gained attention for applications in various industries, from building to automotive, is composites from natural and synthetic sources. T...

The wave impact behavior on any structural body needs to be understood for the sustainability of the structure and even to harness the energy from the wave. An oscillating piston-type wave generator with different channel lengths ranging from 4 to 10 m and water heights ranging from 0.3 to 0.7 m is considered. For wave propagation, 2D numerical sim...

A small hydropower plant is an environment-friendly renewable energy technology. The run-of-river type gravitational water vortex turbine can be designed to produce electricity at sites with low water heads. In this study, an experimental investigation was undertaken on this type of turbine with a water tank and a runner which is connected to a sha...

Numerical investigation using commercial software ANSYS FLUENT has been conducted on a single pass shell and single pass tube heat exchanger with a different number of segmental baffles and baffle spacing. The optimization of a shell and tube heat exchanger varies with the achieved heat transfer rate with a negligible amount of power consumption. T...

In the fields of engineering, heat exchanger devices play an important role in multipurpose thermal engineering processes related to power generation and transformation of energy in the industrial arena. Nowadays, the optimization of the design and modeling of a shell and tube heat exchanger has become an engineering challenge. In this paper, a she...

Wave energy is the most available energy associated in deep water seas and oceans. Therefore, many attempts have been applied to capture these energies. This paper describes the design, construction and testing of water wave flume. The water wave flume contains an electromechanically driven rotor type wave maker to generate water wave powers. The w...