Issue · 2017
Vol.36, Iss. 2
20 articles · All issues →
ArticlesA NOVEL WIDEBAND MICROSTRIP PATCH ANTENNA FOR SATELLITE COMMUNICATIONS IN KU-BAND
Gulzar Ahmad, Muhammad Inyatullah Babar, Muhammad Irfan
In this paper bandwidth enhanced microstrip patch antenna has been proposed for satellite communications. The bandwidth has been increased using parasitic patches. The size of the proposed antenna is 15x8 mm2. It has been observed that the antenna has a bandwi…
3 Aug 2020- Articles
ANALYZING THE EFFECT OF SQUEEZE CASTING PROCESS PARAMETERS ON MECHANICAL PROPERTIES OF OVERCAST AL-ALLOY JOINT USING RSM
Muhammad Asad Ali, Mirza Jahanzaib, Muhammad Ahsan Ul Haq
This study contains, the overcast 2024-2024 wrought aluminium alloy joints produced by casting liquid 2024 wrought aluminium alloy onto the solid 2024 wrought aluminium alloy inserts using squeeze casting process. The quality of overcast joints fabricated via…
3 Aug 2020 - Articles
FAULT-MANAGEMENT ON SYSTEM’S LEVEL IN CAN-BASED “SHARED-CLOCK” ENVIRONMENTS
Muhammad Amir, Syed Waqar Shah, Michael J. Pont
This paper is in continuation to our previous work “Improving flexibility and fault-management in CAN-based “Shared-Clock” architectures”, published in the Journal of Microprocessors and Microsystems (Volume 37, 2013, issue 1, pages 9-2…
3 Aug 2020 - Articles
SOME AGGREGATION OPERATORS FOR BIPOLAR-VALUES HESITANT FUZZY INFORMATION BASED ON EINSTEIN OPERATIONAL LAWS
Tahir Mahmood, Kifayat Ullah, Murad Ullah, Naeem Jan, Irfan Deli, Qaisar Khan
This article is based on Einstein operations for bipolar-valued hesitant fuzzy sets (BVHFSs). We extend the concept of Einstein operators for BVHFSs by defining bipolar-valued hesitant fuzzy Einstein weighted averaging (BPVHFEWA) operators and weighted geometr…
3 Aug 2020 - Articles
ANALYSIS OF CHIP PRODUCED IN FREE MACHINING OF TI-6AL-7ZR-3NB-4MO-0.9ND AND TI-5AL-7ZR-7NB-0.7ND ALLOYS
Numan Habib, Naseer Ahmed, Riaz Muhammad, Himayat Ullah, Muftooh Ur Rehman, Kareem Akhtar
The use of Titanium and its alloys in modern era can never be discarded. Continuous developments in many industries like aviation and power generation increased its use in many applications, not only because of its chemical properties but also because of its e…
3 Aug 2020 - Articles
SOME AGGREGATION OPERATORS FOR BIPOLAR-VALUED HESITANT FUZZY INFORMATION BASED ON EINSTEIN OPERATIONAL LAWS
Tahir Mahmood, Kifayat Ullah, Murad Ullah, Naeem Jan, Irfan Deli, Qaisar Khan
This article is based on Einstein operations for bipolar-valued hesitant fuzzy sets (BVHFSs). We extend the concept of Einstein operators for BVHFSs by defining bipolar-valued hesitant fuzzy Einstein weighted averaging (BPVHFEWA) operators and weighted g…
10 Aug 2020 - Articles
HYDRODYNAMIC DESIGN OF TIDAL CURRENT TURBINE AND THE EFFECT OF SOLIDITY ON PERFORMANCE
Mujahid Badshah, Saeed Badshah, Sakhi Jan
Blade element momentum (BEM) flow model in conjunction with pattern search optimization algorithm embedded in the National Renewable Energy Laboratory (NREL) tool HARP_Opt was used to design a horizontal axis tidal current turbine (HATCT). The numerical method…
3 Aug 2020 - Articles
FAULT-MANAGEMENT ON SYSTEM’S LEVEL IN CONTROLLER AREA NETWORK BASED “SHARED-CLOCK” ENVIRONMENTS
Muhammad Amir, Syed Waqar Shah, Michael J. Pont
Shared-Clock (SC) architectures based on the Controller Area Network (CAN) protocol have been inherently plagued by flexibility and fault-management issues since they were introduced. The easiest way out of such issues is to adopt the more flexible/fault…
10 Aug 2020 - Articles
COMPARATIVE STUDY ON CONSTRUCTION PROJECT MANAGEMENT BETWEEN RESTIVE REGIONS OF PAKISTAN AND REMAINING PART OF COUNTRY
Waqas Anwar, Iftikhar Hussain
Huge gap exists in infrastructure development between restive regions of Pakistan like Federally Administered Tribal Areas, Provincially Administrative Tribal Areas (FATA/ PATA) / hinterland of Baluchistan and remaining part of Pakistan. Government reali…
10 Aug 2020 - Articles
EXTRACTION OF GOLD AND SILVER BY CYANIDATION PROCESS FROM COMPLEX ORE OF SHOUGHUR AREA CHITRAL, KYBER PAKHTUNKHWA
Sajjad Hussain, Nisar Mohammad, Zahid Ur Rehman, Noor Mohammad, Ishaq Ahmad, Naseer Muhammad Khan et al.
The aim of the research work was to optimize the cyanidation leaching parameters for maximum extraction of gold and silver from complex ore of Shoughur area of district Chitral, Khyber Pakhtunkhwa on laboratory scale testing. The research work was carried out…
3 Aug 2020 - Articles
DESIGN OF MINITURISED MIMO ANTENNA WITH W-LAN BAND NOTCHED FOR ULTRA WIDE BAND (UWB) APPLICATIONS
Numan Ahmad, Shahid Bashirand Shahid Rauf
A miniaturized Multi-input Multi-output (MIMO) antenna is proposed for Ultra-wideband (UWB) applications having capability to mitigate interference with the WLAN (5.15GHZ-5.85GHZ) operating band. A ‘spider’ shape structure is etched on the ground a…
3 Aug 2020 - Articles
GROUNDWATER RECHARGE QUANTIFICATION FROM RAINFALL IN PESHAWAR DISTRICT-KHYBER PAKHTUNKHWA
Mahmood Alam Khan, Afzal Munir, Muahmmad Shahzad Khattak, Daulat Khan, Muhammad Ajmal
Water is an unlimited and exquisite gift which has been given by nature. However, its increasing demand and current pattern of usage are threats to human welfare, livelihood, development, and for the life itself, in the coming years. The main objective of this…
3 Aug 2020 - Articles
EXTRACTION OF GOLD AND SILVER BY AGITATION CYANIDATION PROCESS FROM COMPLEX ORE OF SHOUGHUR AREA CHITRAL, KYBER PAKHTUNKHWA PAKISTAN
Sajjad Hussain, Nisar Mohammad, Zahid Ur Rehman, Noor Mohammad, Ishaq Ahmad, Naseer Muhammad Khan et al.
The gold cyanidation/leaching process is the most versatile processing technique used for extraction of gold utilizing different cyanidation parameters likes grinding time, pH, cyanidation time, sodium cyanide (NaCN) and lime CaO.. The efficiency of cyan…
10 Aug 2020 - Articles
COMPARATIVE STUDY ON CONSTRUCTION PROJECT MANAGEMENT BETWEEN RESTIVE REGIONS OF PAKISTAN AND REMAINING PART OF COUNTRY
Waqas Anwar, Iftikhar Hussain
Huge gap exists in infrastructure development between restive regions of Pakistan like Federally Administered Tribal Areas, Provincially Administrative Tribal Areas (FATA/ PATA) / hinterland of Baluchistan and remaining part of Pakistan. Government realized th…
3 Aug 2020 - Articles
CHARACTERIZATION OF NICKLE FREE TITANIUM ALLOY TI-27NB FOR BIOMEDICAL APPLICATIONS
Muhammad Amjad, Saeed Badshah, Muhammad Adil Khattak, Rafi Ullah Khan, Muhammad Mujahid
Bone implantation is common since several decades. Titanium alloys are the most commonly used bone implant materials. TI-27Nb (Titanium-27% Niobium) having no toxic effects on human body and also having low modulus. The objective of this paper is the mec…
10 Aug 2020 - Articles
A NOVEL WIDEBAND MICROSTRIP PATCH ANTENNA FOR SATELLITE COMMUNICATIONS IN KU-BAND
Gulzar Ahmad, M. Inayatullah Babar, M.Irfan
In this paper bandwidth enhanced microstrip patch antenna has been proposed for satellite communications. The bandwidth has been increased using parasitic patches. The size of the proposed antenna is 15x8mm2. It has been observed that the antenna has a b…
10 Aug 2020 - Articles
ANALYZING THE EFFECT OF SQUEEZE CASTING PROCESS PARAMETERS ON MECHANICAL PROPERTIES OF OVERCAST ALUMINIUM-ALLOY JOINT USING RESPONSE SURFACE METHODOLOGY
Muhammad Asad Ali, Mirza Jahanzaib, Muhammad Ahsan Ul Haq
This study contains, the overcast 2024-2024 wrought aluminium alloy joints produced by casting liquid 2024 wrought aluminium alloy onto the solid 2024 wrought aluminium alloy inserts using squeeze casting process. The quality of overcast joints fabricate…
10 Aug 2020 - Articles
HYDRODYNAMIC DESIGN OF TIDAL CURRENT TURBINE AND THE EFFECT OF SOLIDITY ON PERFORMANCE
Mujahid Badshah, Saeed Badshah, Sakhi Jan
Blade element momentum (BEM) flow model in conjunction with pattern search optimization algorithm embedded in the National Renewable Energy Laboratory (NREL) tool HARP_Opt was used to design a horizontal axis tidal current turbine (HATCT). The numerical…
10 Aug 2020 - Articles
GROUNDWATER RECHARGE QUANTIFICATION FROM RAINFALL IN PESHAWAR DISTRICT-KHYBER PAKHTUNKHWA
Mahmood Alam Khan, Afzal Munir, Muhammad Shahzad Khattak, Daulat Khan, Muhammad Ajmal
Water is an unlimited and exquisite gift which has been given by nature. However, its increasing demand and current pattern of usage are threats to human welfare, livelihood, development, and for the life itself, in the coming years. The main objective o…
10 Aug 2020 - Articles
ANALYSIS OF CHIP PRODUCED IN FREE MACHINING OF TI-6AL-7ZR-3NB- 4MO-0.9ND AND TI-5AL-7ZR-7NB-0.7ND ALLOYS
Numan Habib, Naseer Ahmed, Riaz Muhammad, Himayat Ullah, Muftooh Ur Rehman, Kareem Akhtar
The use of Titanium and its alloys in modern era can never be discarded. Continuous developments in many industries like aviation and power generation increased its use in many applications, not only because of its chemical properties but also because of…
10 Aug 2020