Issue · 2014
Vol 33 No 2 (2014)
9 articles · All issues →
ArticlesMINIATURE VIBRATION SHAKER FOR MEMS-SCALE VIBRATION-BASED ENERGY HARVESTERS APPLICATION
Farid Ullah Khan
This paper describes the design and fabrication of miniature electromagnetic-type vibration shaker for generating sinusoidal vibrations. Conventional machining is used to produce different parts of the vibration shaker. The shaker’s table is supported by…
10 Aug 2020- Articles
DESIGN AND IMPLEMENTATION OF AN EFFICIENT MICRO-HYDROELECTRIC SCHEME FOR LOW HEADS
Gul Rukh, Iftikhar Khan* M. Naeem Arbab, Uzma Nawaz
This paper presents a design of a hydroelectric scheme specially proposed for low head applications. After carefully studying the hydrology and geographical conditions of the site, turbine is designed for the heads of 3 to 10 meters obtainable from streams and…
10 Aug 2020 - Articles
PERFORMANCE OF THE MANUFACTURING SECTOR OF PAKISTAN AND ITS COMPETITIVENESS CAUSE AND REMEDY
Syed Asif Ali Shah, Iftikhar Hussain
The manufacturing sector is of great importance for the economic development of every country. In Pakistan the contribution to GDP of the manufacturing sector over the past three decades has not grown measurably. A vibrant manufacturing sector entails a move f…
10 Aug 2020 - Articles
MAJOR ELEMENTS CONCENTRATIONS IN CALCAREOUS SOILS
Shahida Nasreen Zakir, Samina Siddiqui, Nasreen Ghaffar
Major elements status in soils derived from alluvium, piedmont and loess parent materials remained in scarcity. This study was conducted to evaluate the major elements concentrations in soils derived from various parent materials and then to classify such soil…
10 Aug 2020 - Articles
ACTUATION ENHANCEMENT OF A MICRO BIMORPH THERMAL ACTUATOR
Farid Ullah Khan
A bimorph thermal actuator (BTA) is typically used to actuate other MEMS structures, such as, micro-mirrors, atomic force microscope probe tips, membranes of micro pumps and micro valves, etc. This research is focused on enhancing BTA actuation characteristics…
10 Aug 2020 - Articles
EXTRACTION OF HIGH QUALITY TALC FROM TALC-CARBONATE ROCK OF MINGORA EMERALD MINES BY FLOTATION AND LEACHING
Nisar MohammadÙ, Mohammad Mansoor KhanÙ, Noor MohammadÙ
Talc is hydrated magnesium silicate with chemical formula Mg3Si4O10(OH)2. In natural form pure talc is an extreme rarity and it is mostly associated with undesired minerals like magnesite, calcite, dolomite, quartz, muscovite, chlorite, tremolite and iron bear…
10 Aug 2020 - Articles
A SURVEY OF MOBILE PHONES CONTEXT-AWARENESS USING SENSING COMPUTING RESEARCH
Shaukat Ali, Shah Khusro, Laiq Hasan, Asif Ali Khan
Recent technological advancements have not only emerged mobile phones as the key computing and communication platforms for performing individual's daily activities but have turned them into global sensing devices as well. Mobile phones sensing is a n…
10 Aug 2020 - Articles
RECYCLING OF USED ENGINE OIL USING SOLVENT EXTRACTION AND DISTILLATION
Saeed Gul, Muhammad Irfan, Hazrat Bilal, Atta-ur-rehman, Umair Khan, Sadaqat ullah khan
A solvent extraction process has been used to recycle the used engine oil. The solvent used for the treatment of used engine oil is a mixture of ethanol, 1- butanol and toluene. The effect of operating parameters on the recycling process has been investigated…
10 Aug 2020 - Articles
COMPARISON OF FATIGUE RELATED ROAD TRAFFIC CRASHES ON THE NATIONAL HIGHWAYS AND MOTORWAYS IN PAKISTAN
Khizar AzamÙ, Abdul ShakoorÙ, Riaz Akbar ShahÙ, Afzal KhanÙ, Shaukat Ali ShahÙ, Muhammad Shahid KhalilÙÙ
Driver Fatigue is one of the leading causes of Road Traffic Crashes (RTC) in Pakistan . An attempt has been made in this research to compare the proportion of driver fatigue related RTC on the Motorways and National Highways of Pakistan. Data were collected fr…
10 Aug 2020