Power quality issues and mitigation of voltage dips using power conditioning equipment
Thesis - 8 pages - Physics
Most of the industrial loads are mainly controlled by power semiconductor devices. These devices make such loads more sensitive against power system disturbances. Thus, the power quality problems have gained more interest recently. This paper presents a review of some of the disturbances on the...
An overview of esoteric pollution EMI-EMC
Thesis - 5 pages - Physics
Water , air and Sound pollution is well within the human perception but esoteric pollution of frequency spectrum called Electro Magnetic Interference (EMI) has to address in today's world of computerization where the emphasize is on high band width / high speed along with...
Improving the power factor of a circuit
Presentation - 51 pages - Physics
The power factor of a circuit implies that how efficiently power is being consumed or utilized in the circuit. The greater the power factor of a circuit, greater is the ability of the circuit to utilize apparent power. Thus if the power factor is 0.5, it means that 50% of the power is being...
Product design and development of a 10kW Horizontal Axis Wind Turbine Blade
Thesis - 8 pages - Physics
Wind power generation techniques are being promoted all over the world as a beneficial alternative among other renewable sources (Li, Chen 71). A wind turbine is defined as a rotating machine that is used to generate power by means of converting kinetic energy to mechanical energy. Kinetic energy...
Clustering of self organizing map
Dissertation - 31 pages - Physics
This project is based on the research work on the clustering of Self Organizing Map. SOM is an excellent tool, which is utilized to visualize the properties of data. The number of SOM units is larger than it is clustered in similar group. Use the SOM for clustering data without knowing the class...
Analysis and fabrication of the model of a crane with pneumatic lift
Tutorials/exercises - 71 pages - Physics
Within this dissertation, the manufacturing and fabrication of a prototype of a crane with a pneumatic lift is explained with the help of detailed diagrams. The project is held to covert each and every drop of theoretical knowledge into a crude conceptual and practical work. This introductory...
A presentation on the hydrodynamic modeling of circulating fluidized bed
Presentation - 42 pages - Physics
Fluidization is an operation through which fine granular solids are transformed into a fluid like state through contact with a gas or liquid. An increase in the gas velocity through a granular solid brings about changes in the mode of gas solid contact in many ways. Among the several flow regimes...
Phthalic anhydride
Thesis - 30 pages - Physics
Phthalic Anhydride is an important aromatic di-carboxylic acid anhydride. It is an ortho-derivative of phthalic acid. The raw materials are air and o-xylene. The o-xylene feed, which may be considered pure and at 0.75 atm, is pumped to 3 atm and then vaporized in a fired heater. Air, which may be...
Hydrodynamic modeling of circulating fluidized bed
Tutorials/exercises - 89 pages - Physics
Fluidization is an operation through which fine granular solids are transformed into a fluid like state through contact with a gas or liquid. Under the fluidized state the gravitational pull on granular solid particles is offset by the fluid drag on them, thus the particles remain in a semi...
Evaluation and application of vat dye on cotton fabrics using hydros with glucose or sucrose as a reducing agent
Thesis - 13 pages - Physics
Although the synthetic fibers have dominated the textile market, consumer has still preference towards cotton. Today cotton can be manufactured but the natural merits obtained in cotton cultivated in different areas of the country cannot be underestimated. A number of research studies are...
Dyeing with sulfur dyes
Thesis - 10 pages - Physics
Sulfur dyes are mainly used for dyeing cellulosic fibers for corduroy articles, work wears and men's outer wear (woven and knitted goods) and lcisurewcar. Polyester/cotton blend fabric is another important area of application of sulfur dyes. Silk, paper and leather are also dyed to a limited...
Mathematical modeling for axial voidage distribution in CFB
Tutorials/exercises - 6 pages - Physics
Kwauk proposed that the characteristic fine particle distribution in fast fluidization could not be accounted for by the one-dimensional analysis on accelerative motion of particulate fluidization, and presented a physical model for a gas-solid fast fluidization system. The average solid...
Prediction of annual down flow layer thickness in circulating fluidized beds
Thesis - 5 pages - Physics
he solids distribution in circulating fluidized beds (CFB) has been extensively studied because of its importance in design of CFB boilers and reactors. In circulating fluidized bed, normally, the upper region consists of a dilute core surrounded by a relatively dense annulus, with solids down...
Axial hydrodynamics
Thesis - 7 pages - Physics
Many studies have appeared in the literature dealing axial solids distribution along CFB risers (e.g. Yerushalmi et al, 1976: Kwauk et al, 1986: Arena et al 1991, Bai et al 1992). It is most often represented as either a plot of the radially averaged solids suspension density or voidage...
The process of reactive distillation
Tutorials/exercises - 35 pages - Physics
Reactive distillation is the combination of separation and reaction ina single vessel. Today Reactive Distillation is discussed as a part of the broader area of reaction and separation, which comprises of many combination of chemical reaction with separation methods including...
Concentration/evaporation of the juices
Thesis - 10 pages - Physics
The fruit juice processing industry is one of the world's major agro-based businesses. Orange juice dominates in juice trade worldwide. Juice is a liquid that is naturally contained in vegetable or fruit tissue. Juice may be supplied in concentrate form. Generally, concentrates have a noticeably...
Co-generation (18 slides)
Presentation - 5 pages - Physics
In this presentation you will learn a bit about Co-generation. It is the concept of producing two forms of energy from one fuel. Co-generation (also combined heat and power or CHP) is the use of a heat engine or a power station to simultaneously generate both electricity and useful heat. It is a...
Determination of outer sphere and total Chloride content, and formula of unknown Co complex by ion exchange chromatography and Fajan's method
Tutorials/exercises - 5 pages - Physics
The objective of this lab is to determine the formula of an unknown Co (III) complex through determination of outer sphere chloride content and hence total chloride content in the complex. Co (III) tends to form numerous coordination complexes, of which the most common ones are those with ammine...
The UV-vis spectra of conjugated dyes are interpreted using the multielectron particle-in-a-box model
Tutorials/exercises - 8 pages - Physics
The purpose of this lab is to observe how a real system may be approximated using the simple quantum mechanical model of a one-dimensional particle-in-a-box. Due to the arrangement of the electrons in the conjugated dyes, some electrons are free to move along the molecule's...
Synthesis and analysis of ammonium vanadates and determination of water and vanadium content in ammonium decavanadate using manganometry
Tutorials/exercises - 8 pages - Physics
The objective of this experiment is to synthesize ammonium decavanadate (NH4)6V10O28.6H2O and ammonium trivanadate NH4V3O8 and subsequently determine the water and vanadium content in ammonium decavanadate. Vanadium in the +5 oxidation state forms numerous species in aqueous solution and a tight...
Determination of Avogadro's number by spreading a monolayer of stearic acid on a known surface area
Thesis - 5 pages - Physics
Avogadro's law states that equal volumes of gases, at the same temperature and pressure, contain the same number of molecules. Avogadro's constant(?)is the number of molecules in one mole of any substance, and it is known to be 6.02 x 1023. This laboratory exercise attempts to experimentally...
Determining enthalpies of reaction by calorimetry
Tutorials/exercises - 9 pages - Physics
The purpose of this lab is to determine the specific heat of the calorimeter, the enthalpy changes of 4 different reactions, namely Heat of Solution of NaOH(s), Heat of Solution of KNO3(s), the Heat of Neutralization of HCl(aq) and NaOH(aq), and the Heat of Reaction of NaOH(s) and...
Using UV-vis spectroscopy to determine the kinetics of bromophenol blue
Thesis - 5 pages - Physics
The purpose of this lab is to determine the rate constant and order of reaction for an acid-base indicator, bromophenol blue. Bromophenol blue (BP) displays a color change from yellow to purple in the pH range of 3 to 4.5. In strong alkaline solutions, the dye becomes unstable and decomposes due...
VSAT: Satellite communications
Thesis - 29 pages - Physics
This report provides a review and assessment of satellite technologies for providing broadband data communications using Very Small Aperture Terminal (VSAT) network systems. In this context, “broadband” means that the application requires a data transfer rate greater than 100 kbps and...
Slurry transport
Thesis - 8 pages - Physics
In Slurry Transport, the solids are first ground to fine grain size and made into slurry with a liquid medium. The slurry is then pumped through the pipes to a desired destination. Even though the concept of slurry pipelining was known at the turn of the century, it was only in 1957 that it...
Azeotropic distillation
Thesis - 6 pages - Physics
Distillation is the most widely used separation technique in the chemical and petroleum industry. However not all liquid mixtures are amenable to ordinary fractional distillation. When the components of the system have low relative volatilities (1.00 <
The process of heat transfer
Thesis - 7 pages - Physics
Direct contact heat transfer is a fundamental process by which heat transfer occurs in nature. It is used for the improvement of cooling or heating processes, in terms of characteristic time, compactness and energy costs. Direct contact heat transfer is potentially more efficient than...
Applications of neural networks in chemical engineering
Thesis - 7 pages - Physics
Neural networks, which are simplified models of the biological nervous system, is a massively parallel distributed processing system made up of highly interconnected neural computing elements that have the ability to learn and there by require knowledge and make it available for use. Neural...
Three phase fluidization
Thesis - 5 pages - Physics
Gas-Liquid-Solid fluidized beds have emerged in recent years as one of the most promising devices for three phase operation. This operation generates considerable, intimate contact among the gas, liquid and solid particles in these systems. It provides substantial advantages for applications in...
Micro reactors and process intensification
Thesis - 5 pages - Physics
In recent decades there has been a significant increase in the energy efficiency of the process industry by optimization of unit operations. In many cases the limits of what can be done on a unit-operation scale have been reached. To develop chemical production routes and products that consumes...
