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Browsing Chemical Engineering by Issue Date

Browsing Chemical Engineering by Issue Date

Now showing items 1-20 of 424

Hydrodynamic Study of Tapered Fluidized Bed and its Validation

Nazir, Sara (School of Chemical and Material Engineering SCME, NUST, 2004)

This research examines the hydrodynamics study of tapered fluidized bed of sand particles using sand particles on the fluent versionV18.0 platform. The drag model reviewed are Gidaspow, Hulin-Gidaspow, Syamlal O Brain, ...
INFLUENCE OF PRIMARY CHARGE LOAD PRESSURE ON FUNCTION TIME AND SENSITIVITY OF A HOT WIRE DETONATOR

Mehmood, Zahid (SCME-NUST, 2008)

Detonator is an explosive element which is used in various devices for the initiation of high explosives and classified according to their external initiation mechanism. Hot wire detonator is initiated thermally by electrical ...
Micro-phase Segregation in Segmented Polyurethane for Blast Protection Applications

Gul, Tahira (SCME,NUST, 2009)

The bomb has long been a favored weapon of terrorists, political dissidents, criminals and others intent on killing people, destroying property or disrupting operations. Since the Khobar Towers bombing in Dhahran Saudi ...
Prediction of Delivered Specific Impulse of Solid Rocket Motor

ALI, SHAHID (SCME,NUST, 2009)

Prediction of delivered specific impulse ; a key factor of the internal ballistic features of solid propellant rocket motors; except knowledge of fundamental theories on rocket propulsion, requires also collection of certain ...
A Study of Horizontal Multiphase Flow - Annular Two Phase Gas/Liquid Systems Using Eulerian Model of Fluent

Azhar, Umar (SCME,NUST, 2009)

A common problem for working with two-phase flows is that of phase flow mal- distribution. This mal-distribution results in less than optimal performance and in lower product quality. To overcome this problem, ...
Synthesis and Mechanical Testing Of Particle and Fiber Reinforced EPDM Based Composites for Active and Passive Armor Applications

SAGAR, SADIA (SCME,NUST, 2009)

Different formulations of EPDM based composite were synthesized to achieve a composition that gives best mechanical properties. Silica, alumina, ATH, MDH, Kevlar chips, phenolic resin were used as reinforcements in EPDM. ...
NOVAL SOLID ROCKET MOTOR GRAIN CONFIGURATION METHODOLOGY, ITS COMPUTATIONAL ANALYSIS & COMPARISON WITH STAR GRAIN CONFIGURATION

Hafeez, Sarah (SCME-NUST, 2010)

The research work conducted herein addresses mathematical modeling & computational of Novel Solid Rocket Motor grain configuration. Grain design has always been a vital and integral part of SRM design. Based on required ...
PREDICTION OF VELOCITY & MASS FRACTION PROFILES OF SOLID (CATALYST), LIQUID & GAS IN FLUID CATALYTIC CRACKING (FCC) RISER

AHSAN, MUHAMMAD (SCME,NUST, 2010-05)

Fluid Catalytic Cracking (FCC) is an important process in oil refinery used to increase the gasoline (petrol) production from the crude oil. The bottom end heavier (long chain hydrocarbons- C12 or more) products from ...
Conversion of High-Molecular Weight Hydrocarbons to More Valuable Compounds by Nano Catalysts

Nabi, Ghulam (SCME, NUST, Islamabad, 2011)

This research focuses on cracking of high-molecular weight hydrocarbons to more valuable compounds using nano catalysts, solar energy and thermal energy. This research uses nano catalysts (characterized through SEM, EDS, ...
SYNTHESIS OF GEL POLYMER ELECTROLYTES FOR POLYMER SOLAR CELLS

SHAH, IMRAN ALI (SCME, NUST, Islamabad, 2011)

The aim of this work is to sensitize an electrolyte from the copolymer of Acrylonitrile and Methylmethacrylate to replace the liquid electrolyte in die sensitized solar cells. A copolymer, Acrylonitrile–Methylmethacrylate ...
Mathematical modeling of single stage gas permeation

Qayyum, Hafiz Adil (SCME,NUST, 2011)

Membrane based separation process is an emerging field among the other disciplines of physical separation like extraction and chromatography due to its simplicity, environment friendliness and low cost. A gas permeation ...
Production of Ethylene through Dehydration of Ethanol

Muhammad, Rizwan (SCME,NUST, 2011)

Ethylene (ethene), C2H4, is the largest volume building block for many petrochemicals. This olefin is used to produce many end products such as plastics, resins, fibers, etc. It is mainly derived from thermal cracking ...
Isolation of Unserviceable Composition B Explosive Ingredients and their Thermal-cum-Kinetic Study to facilitate De-militarisation

Major Muhammad, Farooq Ahmed (SCME,NUST, 2011)

Military High Explosives are the most volatile and highly energetic materials used in a variety of modern munitions such as Artillery shells, HEAT rounds and other warheads. With the growing demands of safety and security ...
CO2 Capture from Flue Gas by Amine Absorption; using HYSYS A Technical and Economical Analysis

Khokher, Hafiz Nadeem Ijaz (SCME,NUST, 2011)

Global warming due to the emission of greenhouse gases from different sources; mainly from industrial sector is a severe environmental issue in this modern world. CO2 is the main constituent of greenhouse gases emitted ...
DESIGN AND DEVELOPMENT OF PYROTECHNIC DELAY DETONATOR AND STUDY OF VARIOUS PARAMETERS AFFECTING BURNING RATE OF PYROTECNIC DELAY COMPOSITIONS.

KHAN, AZIZULLAH (SCME,NUST, 2011)

Delay detonator is an explosive device used in various systems including sophisticated missiles, weapons and warheads. Delay detonators provide required delay time before certain effect is produced. Delay detonators ...
Sol-gel synthesis of transparent conductive oxide film for thin film based solar cells

Salam, Shahzad (SCME,NUST, 2011)

The present work is based on the deposition of thin films of transparent conductive oxide (TCO) films of zinc oxide (ZnO) and aluminum doped zinc oxide (Al:ZnO) using sol gel spin coating method for the application in ...
Potential Parametric Analysis and Multi-disciplines implementation of Self-forging Devices (Explosively Formed Projectiles & Shaped Charges)

Ghulam, Hussain (SCME NUST, 2011)

The self-forging devices (Shaped Charges and Explosively Formed Projectiles: EFPs) have significant effects on the modern battlefield. In the present sceanerio, these warheads have the key role in fighting against the ...
Thermal and Kinetic Studies of Octahydro-1, 3, 5, 7-tetranitro-1, 3, 5, 7-tetrazocine (HMX)

Mukhtar, Amir (SCME, NUST, Islamabad, 2012)

HMX is a very powerful secondary high explosive used in specific military munitions due to its exceptional high velocity of detonation and stability at high temperatures. It is produced as a white crytalline solid and ...
Doping / Functionalization and Characterization of Mono and Few layer Graphene

Muhammad, Asif (SCME, NUST, Islamabad, 2012)

Graphene has attracted much of interest of the researchers since it was successfully isolated for the first time due to its unique mechanical, electrical, optical and thermal properties. In current work, we have focused ...
UTILIZATION OF WASTE CARBON DIOXIDE FOR THE PRODUCTION OF DIFFERENT USEFUL CHEMICALS

Waheed, Hizba (SCME, NUST, Islamabad, 2012)

In the modern world, the major dilemma that the world is facing is of Global warming. This concern is because of constantly increasing concentrations of green house gases in the environment.CO2 is the main constituent of ...

Now showing items 1-20 of 424

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