Presented by:
ABHIRAJ H. PATHAK


FLUIDISATION AND FLUIDISED BED
INTRODUCTION
Fluidization is a process in which solids are caused to behave like a fluid by blowing gas or liquid upwards through the solid-filled reactor. Fluidization is widely used in commercial operations; the applications can be roughly divided into two categories, i.e.
• Physical operations, such as transportation, heating, absorption, mixing of fine powder, etc. and
• Chemical operations, such as reactions of gases on solid cata ....etc

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FLUID FLOW VISUALIZATION
Abstract
The flow of air cannot be seen by the naked eye. The flow of water can be seen but not its streamlines or velocity distribution. The consolidated science which analyses the behavior of fluid invisible to the eye like this as image information is called Ëœflow visualizationâ„¢, and it is extremely useful for clarifying fluid phenomena. The saying Ëœseeing is believingâ„¢ most aptly expresses the importance of flow visualization.
This report presents an ov ....etc

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ABSTRACT
Antimatter is exactly what you might think it is -- the opposite of normal matter, of which the majority of our universe is made. Until just recently, the presence of antimatter in our universe was considered to be only theoretical. In 1928, British physicist Paul A.M. Dirac revised Einstein's famous equation E=mc2. Dirac said that Einstein didn't consider that the m in the equation -- mass -- could have negative properties as well as positive. Dirac's equation (E = + or - mc2) allowed for t ....etc

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Studies on Aluminum-Fly-Ash Composite Produced by Impeller Mixing

A THESIS SUBMITTED IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF
Master of Technology
In Metallurgical & Materials Engineering
Submitted By
Shuvendu Tripathy Roll No.207MM103
Under the guidance of Prof.S.Sarkar
Department of National Metallurgical & Materials Institute of Technology Rourkela 2009
National Institute of Technology Rourkela


ABSTRACT
Metal matrix composites (MMCs) constitute an important class of design and w ....etc

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sir ,i am KUMARSANJAY doing my chemical enginering.....sir we need a seminar data of NANO PARTICLES PREPARATION AND APPLICATIONS
THANK U SIR......... ....etc

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Technological Applications of Superhydrophobic Coatings: Needs and Challenges
Abstract
Superhydrophobic coatings represent an important and interesting field of research. This
report begins with a brief discussion about the causes of superhydrophobicity and characterization
of superhydrophobic surfaces. Some recent synthesis techniques and several applications of these
surfaces and coatings are then described followed by a discussion of the major problems that need
to be solved before these applications become widespre ....etc

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material as well as pdf file, ppt to present seminar on utilization of glass and rubber as fine aggregate in concrete with innovative concept.
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Imagine a computer whose memory is exponentially larger than its apparent physical size; a computer that can manipulate an exponential set of inputs simultaneously; a computer that computes in the twilight zone of Hilbert space. You would be thinking of a quantum computer. Relatively few and simple concepts from quantum mechanics are needed to make quantum computers a possibility. The subtlety has been in learning to manipulate these concepts. Is such a computer an inevitability or will it is too difficult to build?

The subject of quantum co ....etc

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Nano-Particulate Technology: Synthesis
Feynman’s Vision in 1959
“There is plenty of room at the bottom”
Microtechnology is a frontier to be pushed back, like HP, HV, LT
Ordinary machines could build small machines, which could build smaller machines,…. to atomic level
22 years later, first journal publication of article on molecular nanotechnology (Drexler, 1981)
Excerpts from “The Hindu” interview with Prof. Pradeep, Dept of Chemistry, IIT Madras; March 28, 2007
Excerpts from “The Hindu” intervi ....etc

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Micron sized polymeric particles in custom designed geometries and with tunable chemical anisotropy are expected to enable a variety of new technologies in diverse areas such as photonics, diagnostics and functional materials. Current approaches for particle synthesis are either batch processes or flow-through microfluidic schemes that are based on two-phase systems, limiting the throughput, shape and functionality of the particles. We report a one-phase method called Stop Flow Lithography (SFL) that combines the advantages of microscope projec ....etc

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ABSTRACT
This paper brings out the significance of fluidized combustion technology. The atmospheric as well as pressurized fluidized bed
combustion is discussed. Development of fluidized bed boilers and
their present status in the fluidized combustion technology is also
presented. Fluidized combustion technology is the superior one when
compared with other combustion technologies present in India today.
With out making any more developments in the advanced gas turbine
technology, it is possible to generate electricity in an econo ....etc

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Concept of Cement

The word ËœCEMENTâ„¢ may be defined as a substance, which can join two or more pieces of same other substance together to form a unit mass. Cement is a fine powder which when mixed with water and allow to set and harder can join different components together to give a strong structure mechanically. Thus cement can be used as founding material for bricks or for founding solid particles of different sizes (rubble masonry ) to form a monolish.
It was about 150 years ago or so that ËœCem ....etc

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INTRODUCTION
Since the worldâ„¢s resources of material and energy are getting progressively, by necessity, there is growing involvement in studies of wear on a global basis. Wear of sliding components result in reduced mechanical efficiency and an irretrievable loss of material in the form of wear debris. Wear at the interface between moving particles is a normal characteristic of machine operation. The kind and rate of wear depend on the machine type. Lubrication is provided between the moving su ....etc

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