Issue · 2017
Vol 36 No 1 (2017)
21 articles · All issues →
ArticlesASSESSMENT OF WASTEWATER FOR DISPOSAL IN ACCORDANCE WITH NEQS CRITERIA AND ITS REUSE FOR IRRIGATION WITH DILUTION
Daulat Khan, Khizar Azam, Noor Muhammad Khan, Muhammad Israr, Naeem Ejaz
According to Section 11 of Pakistan Environmental Protection Act (PEPA) 1997, “No person shall discharge or emit or allow the discharge of any effluent or waste in an amount, concentration or level which is more than the National Environmental Qual…
30 Jul 2020- Articles
MUNICIPAL WASTEWATER TREATMENT BY COAGULATION/ FLOCCULATION PROCESSES VIA OPTIMIZATION OF INOCULATION DOSE AND SETTLING TIME
Shafiullah, Mohammad Nafees
This study was conducted on municipal wastewater with an attempt to identify proper treatment measures. The drain under study was observed for three months. In total 45 samples were collected from five different sites at the rate of three samples per day (Morn…
30 Jul 2020 - Articles
GRADIENT ASCENT INDEPENDENT COMPONENT ANALYSIS ALGORITHM FOR TELECOMMUNICATION SIGNALS
Zahooruddin, Muhammad Altaf, Ayaz Ahmad, Farooq Alam
Independent Component Analysis (ICA) algorithm is normallused for un-mixing and feature extraction of the fixed input block lengths. In case of varying block lengths re-adjustment of the maximum number of iterations and the step size parameter is required. In…
30 Jul 2020 - Articles
A TWO-WAREHOUSE SUPPLY CHAIN NETWORK DESIGN AND OPTIMIZATION WITH CROSS-ROUTE COSTS AND BUDGET, MAXIMUM FLOW AND CAPACITY CONSTRAINTS
Razaullah, Iftikhar Hussain
Supply chain optimization techniques for modelling the behavior of manufacturing supply chains have been used for long in order to allow better planning, minimize total cost and improve efficiency. In this paper, a systematic approach is presented for the faci…
30 Jul 2020 - Articles
SOLUTION TO BERMAN’S MODEL OF VISCOUS FLOW IN POROUS CHANNEL BY OPTIMAL HOMOTOPY ASYMPTOTIC METHOD
Murad Ullah Khan, S. Zuhra, M. Alam, R. Nawaz
Berman developed the fourth-order nonlinear differential equation with initial and boundary conditions. This model is based on two-dimensional, steady, incompressible viscous fluids that flow through the permeable channel with wall suction/Injection. The solut…
30 Jul 2020 - Articles
EXPERIMENTAL ANALYSIS OF BRIDGE PIER SCOUR PATTERN
Mujahid Khan, Mohammad Tufail, Muhammad Fahad, Hazi Muhammad Azmathullah, Muhammad Sagheer Aslam, Fayaz Ahmad Khan et al.
Being an important component of a transportation system, bridge piers needs to be properly designed for scouring around its piers. For proper design of bridge piers, appropriate investigation of scouring patterns is extremely important for various sizes and sh…
30 Jul 2020 - Articles
STUDY OF INDIGENOUS FLUORSPAR AS METALLURGICAL FLUX
Zeeshan Al Hameed, Junaid Saleem, Syed Sajid Hussain, Ahsan Abdul Ghani, Hira Lal
The mineral reservoirs of Pakistan have an enormous amount of Fluorspar. Approximately 1 million ton reservoir of Fluorspar was reported previously and is mostly exploitable. Also, around one third of its usage is in the form of metallurgical flux, a key slag…
30 Jul 2020 - Articles
COMPARISON OF ASYMMETRIC GARCH MODELS WITH ARTIFICIAL NEURAL NETWORK FOR STOCK MARKETS PREDICTION, A CASE STUDY
Samreen Fatima, Mudassir Uddin
Much efforts have been done for modeling of financial data theoretically and empirically for the international stock markets, for example: Asia, Europe and Australia etc. But no frequent research has been done for the SAARC countries stock markets. Therefore,…
30 Jul 2020 - Articles
LIFE CYCLE COSTING AND PAYBACK PERIOD EVALUATION OF A SOLAR THERMAL DESALINATION SYSTEM
M. Ihsan Ul Haq, Ahmad Hussain, Farzana Yasmeen, Shafiq R. Qureshi
Water is important for life and development. About 1.8 billion people will be living in absolute water scarcity by 2025.Non availability of safe drinkable water is the major source of diseases in the different regions of the world especially remote rural…
30 Jul 2020 - Articles
AN EVOLUTIONARY APPROACH FOR CMS DESIGN
Waqas Javaid, Adnan Tariq, Iftikhar Hussain, Sahar Noor
Cellular Manufacturing Systems (CMS) have been widely considered as the most efficient manufacturing systems in the case of medium variety and medium volume of production. The main advantage of CMS lies in the effective grouping of parts into families and mach…
30 Jul 2020 - Articles
NOISE CONTROL FILTRATION OF LATERAL AND YAW DYNAMICS FOR RAILWAY VEHICLE WHEELSET ON TRACK
Zulfiqar Ali Soomro
The noise is the fundamental substandard sign of smooth running of the railway vehicle wheelset over the railroad. This disturbance is created deteriorating environment on deranged railway vehicle speed in any direction of basic degree of freedom. In thi…
30 Jul 2020 - Articles
EXPERIMENTAL INVESTIGATION OF THE EFFECTS OF FUEL INJECTION PARAMETERS ON DIESEL ENGINE PERFORMANCE AND EMISSIONS
Younis Jamal, Asad Naeem Shah, Wasif Amin Butt, Ahmad Naveed, Muhammad Usman
The climate changes and increase in global temperature are the key factors that have mainly amplified the exploration studies of changing fuel injection and other constraints of compression ignition (CI) engines for the abatement of exhaust emissions. In…
30 Jul 2020 - Articles
4LSB BASED DATA HIDING IN COMPLEX REGION OF DIGITAL IMAGES AND ITS EFFECTS ON EDGES AND HISTOGRAM
Sahib Khan, Muhammad Naeem, Tawab Khan, Nasir Ahmad
Data hiding in the complex regions of cover image make the use of edges for hiding and communicating secret information. The complex region in a digital image is the least sensitive to human visual system (HVS) in term of changes than smooth region. The data h…
30 Jul 2020 - Articles
ROBUST MULTIMODAL FACE RECOGNITION WITH PRE-PROCESSED KINECT RGB-D IMAGES
Nasir Ahmad, Jehad Ali, Khalil Khan, Muhammad Naeem, Usman Ali
Researchers have tried to improve the accuracy of face recognition by combining 2D and 3D images to overcome the problems of illumination, pose variation and occlusion. Although combining 2D with 3D have shown better results when compared with 2D images only,…
30 Jul 2020 - Articles
PERFORMANCE IMPROVEMENT OF COMPRESSOR TO RECOVER FLARE GAS USING DESIGN OF EXPERIMENT TECHNIQUES
Naseem Ahmad, Sahar Noor, Rehman Akhtar, Misbah Ullah, Khizar Azam
The main purpose of this research work is to deploy engineering experimental design techniques to recuperate large quantity of flare gas with the help of a new proposed plant process. Some factors responsible for disturbing routine of compressor are categorize…
30 Jul 2020 - Articles
CRACK CLOSURE AND FIBRE BRIDGING CONTRIBUTION IN THE STRESS-RATIO EFFECT ON DELAMINATION GROWTH UNDER FATIGUE
Rafiullah Khan, Sakhi Jan, Muhammad Amjad, Saeed Badshah, Sajjad Ahmad
The objective of this paper is to investigate the contribution/role of the crack closure and the fibre bridging effects in stress-ratio influence in mode I delamination growth in carbon/epoxy composite laminates. The crack closure effect has been assessed by t…
30 Jul 2020 - Articles
MECHANICAL PROPERTIES OF LEAD FREE SOLDER ALLOY FOR GREEN ELECTRONICS UNDER HIGH STRAIN RATE AND THERMAL AGING
Muhammad Aamir, Riaz Muhammad, Naseer Ahmed, Muhammad Sadiq, Muhammad Waqas, Izhar
Lead free solder (LFS) alloys have been widely acknowledged due to its good mechanical properties and no harmful effect on environment. The current work is focused on the examination of thermal aging and strain rates on mechanical properties of Sn96.5-Ag3.0-Cu…
30 Jul 2020 - Articles
IMPACTS OF CLIMATE CHANGE ON CROP WATER REQUIREMENT UNDER MULTI - REPRESENTATIVE CONCENTRATION PATHWAYS DURING MID-CENTURY: A CASE STUDY OF D. I. KHAN
Muhammad Shahzad Khattak, Barkatullah, Ayesha Aziz, Jamil Ahmad, Mohammad Sharif, Mukand Singh Babel et al.
Climate change is a major problem which directly affects agricultural economy of a region as the crop water requirements of major crops is increased. This study was conducted to estimate evapotranspiration (ETo) and crop water requirements (CWR) of wheat and m…
30 Jul 2020 - Articles
A DISTRIBUTED GENETIC ALGORITM AND A-PRIORI ALGORITHM FOR THE HUB AND FACILITY LOCATION PROBLEMS
Muhammad Naeem, Sahib Khan, Nasir Ahmad
A-priori is an influential data mining algorithm employed in market basket analysis to understand the purchase behavior of buyers. It has many other applications. In this study, we combine a-priori with a genetic algorithm (GA) to solve two classical NP-hard l…
30 Jul 2020 - Articles
PTFE THIN FILM COATING ON 316L STAINLESS STEEL FOR CORROSION PROTECTION IN ACIDIC ENVIRONMENT
Nabeel Maqsood, Afzal Khan, Muhammad Khalid Alamgir, Shaukat Ali Shah, Muhammad Fahad
Stainless steels (SS) are the most common materials used in various engineering applications because of their fine mechanical and excellent corrosion resistance properties in different mediums. 316L SS shows poor corrosion behavior in HCL. Hard coating i…
30 Jul 2020 - Articles
IDENTIFICATION OF SITES FOR ESTABLISHING PHOTOVOLTAIC SOLAR FARMS IN PAKISTAN USING SOLAR GEOMETRY
Khizar Azam, Abdul Shakoor, Shahid Maqsood, Muddasar Habib, Muhammad Fahad, Akhtar Zaib
Utility scale Solar farms generally consist of multiple arrays of Photovoltaic (PV) Panels which collect and convert solar energy into electrical energy. Pakistan is facing a serious energy crisis. It is working on solar energy options. Therefore, it is impera…
30 Jul 2020