In order to minimize the sound transmission due to exhaust gases, the most common and important part of the engine system is muffler. A back pressure on engine is always produced due to the use of the exhaust muffler. This ...

Space heating and cooling is a comfort requirement which results in a significant amount of energy consumption. EATHE (Earth Air Thermal Heat Exchanger) is one of the passive ways of space heating and cooling that can ...

There are an estimated 5.6% people in Bangladesh who have a disability of one kind or another and about 28% of disabled people have physical disabilities. Movement accessibility is an important enabler of strategies to ...

The thermodynamic limitation for the maximum efficiencies of internal combustion engines is an important consideration for the design and development of future engines. Knowing these limits helps direct resources to those ...

In this day and age noise reduction is an increasingly relevant and rapidly progressing sector of technology. It is necessary due to the numerous psychological benefits of a relatively quiet atmosphere. In this paper, we ...

Beam and plates in existence of crack is vulnerable to failure reckoning on the different mode of vibration. The natural frequency of the beams and plates and the superposition of periodic force acting on beams and plates ...

Drilling is the most common machining process. One estimate is that 75% of all material removed comes drilling operations. Drilling involves the creation of holes that are right circular cylinders. This is accomplished ...

Power generation sector of a country plays a pivotal role in her overall development and progress. In modern world, as days goes by people are getting depended on technology even more. Bangladesh is the ninth most populous ...

Biogas is a source of clean energy and one kind of renewable energy resource which has highly influence in waste management. Anaerobic digestion is used in formation of biogas from different organic materials and it makes ...