Articles
256 open-access articles · page 4 of 13
ArticlesAN INVESTIGATION OF HEAVY AND TRACE ELEMENTS IN COAL DEPOSITS OF MAKARWAL PAKISTAN AND THEIR POSSIBLE IMPACTS ON SURROUNDING WATER-CASE STUDY
Amir Naveed, Unsia Habib, Fouzia Parveen, Syed Naveed Ul Hasan, Muddasar Habib, Irfan Shah
This research present, the coal samples from different locations of Makarwal (Pakistan) were investigated for the existence of trace and heavy metals. Coal samples used under investigation were: Makarwal section-A (Mk-A), Makarwal section-B (Mk…
15 Aug 2020- Articles
A SURVEY ON AUTO-CONFIGURATION MECHANISMS FOR MOBILE AD-HOC NETWORKS (MANETS)
Shahrukh Khalid, Athar Mahboob
Mobile ad-hoc networks (MANETs) are infrastructure-less networks. Moreover, due to inherent characteristic of mobility of nodes, network merging and partitioning, issues and problems of MANETs are peculiar in nature. Current networking software stack…
15 Aug 2020 - Articles
NUMERICAL SIMULATION OF MEANDERING OPEN CHANNEL FLOWS
Usman Ghani, Naeem Ijaz, Daulat Khan
Flooding occurs worldwide and causes huge loss to human life and property. There is an ever increasing danger of floods due to global warming. The overbank flow studies are important for understanding flow behavior and bed shear stresses during flood…
15 Aug 2020 - Articles
DYNAMIC MODELING AND STARTING BEHAVIOR OF A SMALL HORIZONTAL AXIS WIND TURBINE
Sikandar Khan, Afzal Khan, Muhammad Tahir Khan, Muhammad Ali Kamran, Abdul Shakoor
Small, stand-alone wind turbines are a possible solution to the energy requirements of remote areas in Pakistan. However except for the coastal areas, wind speeds available in various areas of Pakistan are low to medium, especially in the northern ar…
15 Aug 2020 - Articles
PERFORMANCE OF BRICK MASONRY CAVITY WALLS WITH DIFFERENT WALL TIES
Waheed-ur-Rehman, Amjad Naseer, Rashid Rehan, Mohammad Ashraf, Muhammad Ibrar
This paper presents a study about the behavior of brick masonry cavity walls. Three types of cavity walls were tested, each having two wythes of 4½ inches thickness and 2 inches cavity between the two wythes. The first type did not have any ti…
15 Aug 2020 - Articles
ANALYSIS OF HUMAN PERCEPTIONS AND ADAPTATIONS TO FLASH FLOODS IN KHYBER AGENCY, FATA
Behram Khan, Amir Nawaz Khan, Said Qasim, Atta-ur Rahman
The present study aims to analyse the human perceptions and adaptations to recurrent devastating flash floods in Khyber Agency, FATA. The study is mainly based on both primary data sources including field observations, structured questionnaire survey and…
15 Aug 2020 - Articles
HYBRID PARTICLE SWARM ALGORITHM FOR SCHEDULING IN CELLULAR MANUFACTURING SYSTEM- A CASE STUDY
Qazi Salman Khalid, Muhammad Abas, Mudassar Rauf, Mirza Jahanzaib, Shahid Maqsood
Cellular Manufacturing System (CMS) lies in the heart of lean manufacturing with goal of producing the wide variety of products as efficiently as possible. Increase in customer demand for more customized products had forced industries to shift to CMS. On…
15 Aug 2020 - Articles
RECOVERY OF TALC FROM TALC- CARBONATE SCHIST OF SWAT EMERALD MINES, NWFP, PAKISTAN
Nisar Mohammad, Mohammad Mansoor Khan
In present research preliminary investigations like petrographic study, grain size evaluation and chemical analysis were undertaken on talc bearing rock of Swat emerald mines, aiming at finding some suitable processing technique to recover talc. A fe…
15 Aug 2020 - Articles
DETERMINISTIC SEISMIC HAZARD ANALYSIS AND SELECTION OF TIME HISTORIES FOR DYNAMIC ANALYSIS FOR A SITE IN SWABI
Muhammad Waseem, Irshad Ahmad, Muhammad Asif Khan
Pakistan lies in one of the most tectonically active regions of the world. The latest destructive 2005 Kashmir earthquake of magnitude 7.6 struck the northern part of Pakistan which caused death toll of about a hundred thousand people and monitory lo…
15 Aug 2020 - Articles
DYNAMICS OF URBAN SPATIAL GROWTH AND PLANNING: A CASE STUDY OF PESHAWAR
Mohammad Aslam Khan, Samiullah, Zulfiqar Ali
This paper traces the spatial growth of Peshawar, one of the major cities of Pakistan. Data and information for the study were collected from historic maps, documents and satellite images. The analysis shows that the city has been growing at a rapid pace…
15 Aug 2020 - Articles
EFFICIENT ROUTING SCHEME FOR UNIDIRECTIONAL LINKS IN MULTI-HOP NETWORKS
Majid Ashraf, Mohammad Haseeb Zafar, Tariqullah Jan
This paper presents an efficient routing scheme for Multi-hop Network in the presence of unidirectional links. The distinct feature of this routing scheme is the capability to actively provide routing paths even though a large number of unidirection…
15 Aug 2020 - Articles
ASSESSMENT OF ENVIRONMENT CONSCIENCE CONSTRUCTION PRACTICES IN PAKISTAN USING SIGNAL TO NOISE RATIO
Sikandar Bilal Khattak, Iftikhar Hussain
Construction sector contribution to global and national Gross Domestic Product (GDP) is significant. However, it is a source of carbon emissions and solid waste as well. The positive impact is more of a community or region based, whereas its co…
15 Aug 2020 - Articles
SEISMIC HAZARD ANALYSIS OF ISLAMABAD
Rashidullah, Irshad Ahmad
Seismic Hazard Analysis (SHA) is carried out for the city of Islamabad using both deterministic and probabilistic approach. Earthquake catalogue compiled by National Engineering Services Pakistan (NESPAK) for the period of (1505-2006) has been used.…
15 Aug 2020 - Articles
RE-DESIGNING AND OPERATIONAL ANALYSES OF THE SEDIMENT TRANSPORT CONTROL IN IRRIGATION CANAL NETWORK
Saman Shahid, Shahid Ali, Muhammad Abdullah Ahmad, Sarfraz Munir
The purpose of this research was to improve the existing design of the irrigation canals in Punjab. The design of an entire canal network is a tiresome and laborious work, where engineers spend months to design canals. Over the years, engineers and agric…
15 Aug 2020 - Articles
ROLE OF MN ATOMS ON TENSILE PROPERTIES OF LIGHT WEIGHT CHQ STEEL
Shahid Hussain Abro
Alloying elements always play a crucial role in any steel grade to change the mechanical properties and each element plays his role. The present work has been performed to reveal the role of Mn atoms on tensile properties of experimental steel.…
15 Aug 2020 - Articles
WATER QUALITY INDEX OF SHALLOW AND DEEP GROUNDWATER DURING WET AND DRY SEASON OF PESHAWARBASIN
Shahida Nasreen Zakir, Samina Siddiqui, Nasreen Ghaffar, Zia Ul Haq
The main objective of this study was to estimate the suitability of shallow and deep groundwater wells for human and animal consumption from water quality index for irrigation and drinking purpose. A total of 95 groundwater samples at 1.5 to 30 m dep…
15 Aug 2020 - Articles
AN SVC BASED POWER QUALITY IMPROVEMENT MODEL FOR CONSUMERS CONNECTED TO WEAK BUSSES IN DISTRIBUTION SYSTEMS
Faheem Ali, Muhammad Amir, Muhammad Iftikhar Khan, Muhammad Naeem Arbab, Abdul Basit, Muhammad Kashif Khan et al.
Power quality is a major concern considering weak bus systems. In order to improve power quality, residential consumers go with voltage stabilizers as a cheap solution consequently overstressing weak busses. Industrial consumers use other alternatives lik…
15 Aug 2020 - Articles
MATERIAL HANDLING COST CONSIDERATION IN PROCESS PLAN SELECTION FOR RECONFIGURABLE MANUFACTURING SYSTEM
Sajid Ullah Butt, Aamer Ahmed Baqai, Syeda Naela Fatima, Hasan Aftab Saeed
In today’s market, ever-changing products and demands are major concerns for every manufacturer. Reconfigurable Manufacturing Systems (RMS) are so designed as to have customized flexibility and cost-effective reconfiguration whenever a design change in p…
15 Aug 2020 - Articles
DEVELOPMENT OF FLOOD DISCHARGE MODELS USING GIS
Usman Ali Naeem, Hashim Nisar, Habib-ur-Rehman, Naeem Ejaz
Hydrological command of waterway system has been altering beneath the crash of mutually environment disparity and human actions in the overall milieu. With the advent of technology it is now possible to model the complete resource allocation of any h…
15 Aug 2020 - Articles
A NOVEL APPLICATION OF PARTICLE SWARM OPTIMIZATION TECHNIQUE IN SEMI-ACTIVE SUSPENSION SYSTEM CONTROL
Abroon Jamal Qazi, Afzal Khan, Muhammad Tahir Khan, Muhammad Ali Kamran, Khizar Azam
This paper is based on the quarter car semi-active suspension system. Semi-active suspension system proves to be a better choice in comparison with the passive and active systems keeping in view the inherent benefits of better performance, light weig…
15 Aug 2020