Mohammad Asaduzzaman Chowdhury, Maksud Helali
Mohammad Asaduzzaman Chowdhury, Md. Maksud Helali
Mohammad Asaduzzaman Chowdhury, Md. Maksud Helali
Mohammad Asaduzzaman Chowdhury, Maksud Helali
The present paper investigates experimentally the effect of relative humidity and roughness on friction property of mild steel under horizontal vibration. To do so, a pin-on-disc apparatus having facility of vibrating the test samples at different direction is designed and fabricated. The direction ...
Mohammad Asaduzzaman Chowdhury, Md. Maksud Helali, A. B. M. Toufique Hasan
Mohammad Asaduzzaman Chowdhury, Maksud Helali
Purpose The purpose of this paper is to present the frictional behaviour of composite materials under external horizontal vibration. Variation of friction coefficient is investigated experimentally when mild steel pin slides on composite materials such as glass fiber reinforced plastic (GFRP) and cl...
Mohammad Asaduzzaman Chowdhury, Maksud Helali
Purpose The purpose of this paper is to investigate experimentally the effect of external vertical vibration on the friction property of mild steel, glass fiber‐reinforced plastic and cloth‐reinforced ebonite. Design/methodology/approach A pin‐on‐disc apparatus having the facility of vibrating the t...
Shilpi Akter, Md. Maksud Helali
The aim of this paper is to investigate the effect of mechanical crimp on the basic properties of jute yarns. There are some technological limitations for processing of jute fibers without crimp. Crimp is imparted into the jute sliver in draw frame machine to give a certain amount of cohesion to the...
Sanjib C. Chowdhury, M. Mahbubur Razzaque, Maksud Helali, Hans Bodén
Like many other mega cities of developing countries, noise pollution in Dhaka city of Bangladeshis a big concern. Here noise is produced from different sources like traffic, loudspeaker,people gathering etc. To mitigate the noise pollution in Dhaka city, the governmentof Bangladesh has recently pass...
Shilpi Akter, Mohammad Motalab, Maksud Helali
Abstract The objective of this paper is to analyse the correlation between crimp parameters and the effect of crimps on yarn strength and hairiness. Crimp is an essential property for natural and man-made fibres. Crimps always form with different parameters as they are very much irregular in size an...
M. Mahbubur Razzaque, Sanjib C. Chowdhury, Maksud Helali, Hans Bodén
Along with water and air pollution, noise pollution has become a hazard to the quality of life in Dhaka. The noise level in different locations of the metropolitan area exceeds specified standard limits by as much as 20dB. In the "so-called" silent zones, it does not fall below 55dB even in the morn...
Mohammad Asaduzzaman Chowdhury, Md. Maksud Helali
The present paper investigates experimentally the effect of natural frequency of the experimental set-up on friction property of stainless steel-304. To do so, a pin-on-disc apparatus having facility of vibrating the test samples at different directions, amplitudes and frequencies was designed and f...
Shilpi Akter, Mohammad Motalab, Maksud Helali
The aim of this paper is to find the effect of mechanical crimp of jute fibre on the thermal properties of woven jute fabrics. In this study, crimp box and gear crimping method were used to impart mechanical crimp into jute sliver. Crimps were divulged to enhance the cohesion between fibres that mak...
Watcharawit Meenongyai, Kannika Wongpanit, Pichad Khejornsart, Piyamas Phongkaew et al.
OBJECTIVE: This study aimed to evaluate the effects of different levels of coated cysteamine HCl (CSH) supplementation on growth performance, carcass traits, and meat quality in Charolais crossbred cattle. METHODS: Twenty-four Charolais crossbred steers, aged 24-30 months with an initial body weight...
Shilpi Akter, Mohammad Motalab, Maksud Helali
Yarn and fabric strength is one of the most important parameters to predict the uses of the end product. Fabric strength mostly depends on yarn strength and yarn strength is prejudiced by fibre strength or fibre properties. Crimp is one of the essential parameter that influences the fibre properties...
Syed Md. Ihsanul Karim, Mohammad Asaduzzaman Chowdhury, Md. Maksud Helali
This work examines how vapor-deposited coating of DLC (partially diamond) on stainless steel 304 substrate is affected by the sound vibration. For this, a specially designed chemical vapor deposition (thermal CVD and hot filament) apparatus having facility of generating sound vibration at different ...
Syed Md. Ihsanul Karim, Mohammad Asaduzzaman Chowdhury, Md. Maksud Helali
This paper presents how vapor deposited coating of carbon (partially diamond) on stainless steel 304 substrate was affected by temperature, pressure and duration of deposition in conjunction with sound vibration. To do so a hot filament chemical vapor deposition apparatus was designed and fabricated...