Measurement analysis: Experiment
Thesis - 2 pages - Physics
In this experiment, we use basic equipments such as ruler, scale and stop watch to make measurements of length, mass and time. In the first investigation, we make measurements to obtain values for derived quantities, such as the density of the cylinders. In the second investigation, we measure...
The alkaline electric battery
Thesis - 4 pages - Physics
The material in the anode of the alkaline battery is a zinc metal powder. Its production is carefully monitored to ensure its chemical purity and accurate particle size. These provide a surface quality which enhances the reaction of the battery. Indeed, a good quality surface enables contact with...
Sir Isaac Newton: Life, discoveries and the laws of motion
Thesis - 5 pages - Physics
Sir Isaac Newton laid the foundation of modern physics in the late seventeenth century. He described in mathematical terms, the fall and the movement of the body and defined the three fundamental laws of universal gravity. He also developed the calculus, pioneered important work in optics,...
Recrystallization and melting point experiment
Thesis - 2 pages - Physics
In this experiment, we purified an unknown substance by recrystallizing it. Then, we determined the unknown substance's melting point and then confirm its identity by mixing with o-Toluic acid, Acetanilide, Benzoic acid, P-Toluene sulfonamide and Salicylic acid. There are certain dangers and...
Boiling point determination experiment
Thesis - 2 pages - Physics
In this experiment, we investigated a physical property called the boiling point. The objective of our experiment is to measure the boiling point of an unknown liquid by using only a small amount of that liquid, and then we compare the boiling point to the boiling points of the three liquids:...
Einstein and the evolution of physics
Thesis - 2 pages - Physics
In this paper, we will try to understand in brief the physical concepts by Einstein and the basics of their creation and operation. At the forefront, Einstein dismisses the notion that science and ideas are the perfect reflection of reality. Physical concepts are creations of the human mind which...
Caps and their influence on wine
Thesis - 7 pages - Physics
The cap is a cylindrical piece usually used as bottle stoppers. Historically, it was used by the Greeks and Romans to seal jars. Despite its history, the cap disappeared for over a thousand years and reappeared in the late nineteenth century in the form of cork. Today bottle caps are made of...
Manufacturing process of optical fiber
Thesis - 5 pages - Physics
The initial studies in optical networking were undertaken in the 1970's. It was discovered that a glass fiber encased in an opaque sheath was capable of transmitting data at a speed higher than that of light. The optical fiber is thus one of the greatest technological advances in the area of...
Acidosis, alkalosis and genetics
Thesis - 3 pages - Physics
These two terms are used to describe the unusual conditions when a patient's blood pH is not within its healthy range. It measures how acidic the blood is. It is normal for pH to fall between 7.35- 7.45 as this will make sure that metabolic processes function properly. There are situations...
Experiment: Computational chemistry lab
Thesis - 5 pages - Physics
Using AM1 and ZINDO molecular modeling, we calculated the excitations energies of four thiacyanine dyes DTC, DTCC, DTDC, DTTC to be 430nm, 485nm, 544nm, and 600nm. Using UV?Visible Absorption Spectroscopy, in a previous lab we determined that the absorption wavelengths were 422nm, 544nm, 655nm,...
Experiment: Magnetic susceptibility measurements of solids lab
Thesis - 4 pages - Physics
Nine of a possible eleven solid complexes were tested for magnetic properties using a magnetic susceptibility balance. From this data, the number of unpaired electrons were calculated using an estimate value of ?(1+ ?eff2)-1. These experimental numbers were compared to the calculated number of...
Atomic force microscopy lab: An experiment
Thesis - 5 pages - Physics
Atomic Force Microscopy (AFM) methods were used to characterize two samples in two different modes. Contact mode was used to characterize a zinc oxide sample and tapping mode was used to characterize a grating sample. The distance between the grating lines was calculated to be 1.173?m. The two...
Aristotle on physics: Chance and causes
Thesis - 2 pages - Physics
Aristotle's view of Physics seems to emerge out of the primary question of “Why?” Similarly, “Why do things; does anything happen?” I'm aiming to direct my paper more to the philosophy of “chance”, however to reach that aspect I must first identify the other...
The synthesis of tert-pentyl chloride
Thesis - 3 pages - Physics
Synthesis of new compounds serves important practical purposes. The pharmaceutical industry continuously seeks and develops new compounds as potential drugs for treating disease. The agricultural industry also relies on synthesis to produce new organic chemicals for weed, pest, and fungi control....
The nanotubes
Essay - 5 pages - Physics
A carbon nanotube is a molecule of pure carbon, as it is the case for graphite and diamond. Its shape is the one of a tube, whose diameter measures about one nanometre, thus 100 times thinner than a single hair. Carbon nanotubes are the most common kind of nanotubes on which the industry is...
Sorption and desorption of chromium in bentonite and kaolinite mixtures
Thesis - 6 pages - Physics
Chromium sorption in soil occurs under different conditions based on the oxidative state of the Cr ion. Variety of factors is influencing the sorption of Cationic Cr III in sub surface environments. In this study, sorption of Cr III has been studied in mixtures of different percentages of...
Fibers and their importance
Thesis - 4 pages - Physics
Communication is the key to the existence of mankind. In the field of telecommunication, the horizons are constantly expanding. In this regard, the optical fiber is a wonder tool in the field of telecommunication. We are aware of the fact that light has a tendency to spread in a straight line,...
FMS layout optimization using metaheuristic
Thesis - 6 pages - Physics
Today, Flexible Manufacturing System (FMS) seems to be a very promising technology as it provides flexibility, which is essential for highly competitive, dynamic and change in manufacturing environment. Layout of an industry is the key for productivity. To improve productivity, manufacturing lead...
Tensile testing of Fiber Bundles, Weibull Fracture Probability
Essay - 12 pages - Physics
Glass fibers are often used as reinforcement for composite materials, which makes it necessary for an engineer to know their strength. However, testing a single fiber is technically difficult if not impossible, and we have to use statistical models to describe the strengths and weaknesses of...
Local short term wind speed estimation using back propagation algorithm
Thesis - 14 pages - Physics
Apart from weather forecasting, wind speed prediction is required to estimate atmospheric effects on telecommunication systems such as satellites in launch, electromagnetic signal propagation in wireless channel, inland and water vehicle navigation, air traffic control, missile guidance etc. Wind...
Water distribution system optimization using Tabu search
Thesis - 4 pages - Physics
Water distribution systems are complex interconnected networks that require extensive planning and maintenance to ensure the required quantity of water is delivered at the required demand nodes. Good maintenance practices can extend the life of water distribution system components and optimal...
An adaptive incremental fuzzy controller for output voltage regulation of boost converters
Thesis - 5 pages - Physics
In this paper an adaptive incremental fuzzy controller (IFC) for output voltage regulation (OVR) in DC-DC boost converters is proposed. The method, first determines a base duty cycle (BDC) for nominal system parameters and voltage regulation specifications, to which, fractional duty cycle...
Deploy robust data transmission over the noisy channel
Thesis - 2 pages - Physics
The secret data is encrypted and permutated using the chaos method. Experiments show the good quality of the stego-image and resistant against the various noise attacks (Like Salt and Pepper). At the same time, the proposed algorithm exhibits good encryption speed, less computations and excellent...
Adopting dynamic self tuning fuzzy worked on output voltage regulation of DC-DC buck converters
Thesis - 4 pages - Physics
In this paper a dynamic self tuning fuzzy controller scheme is proposed for output voltage regulation of DC-DC Buck Converters and is verified by means of simulation. The proposed fuzzy controller scheme adapts the scale factor of its output variable depending on the continuous measurement of...
Preparation and analytical investigation of electrodeposited nickel aluminum oxide composite coatings
Thesis - 11 pages - Physics
Composite coating methods play a major role in enhancing the life of the components by improving the wear resistance of the surface coating used. Electrodeposited composite coatings consist of a metal matrix with either a ceramic or cermets particle addition which represents the new development...
Vendor selection under uncertainty
Thesis - 6 pages - Physics
Vendor selection is of strategic importance to companies. This paper uses fuzzy tools for vendor selection to improve decision-making (DM) through a more systematic and logical approach. Expert opinion is portrayed by allocating different fuzzy weights to the linguistic data in the form of...
Bacteria foraging based algorithm for optimum economic load dispatch with non-convex loads
Thesis - 11 pages - Physics
An algorithm based on Bacteria Foraging (BF) was developed to solve the problem of finding the optimum load allocation amongst the committed units in power system with non-convex loads. The performance of the proposed algorithm is evaluated on a test case of 15 units. The performance of the...
Reliability based design of spur, helical and bevel gears
Thesis - 4 pages - Physics
The concept of reliability is greater importance in the design of various machine members. As reliability is now an exceedingly important aspect of competitiveness, there is need to design reliability into products. Conventional engineering design uses a deterministic approach. It disregards the...
Analysis of energy efficiency, throughput and packet delay for both non-persistent and p-persistent CSMA when two nodes collide
Thesis - 7 pages - Physics
Power efficient wireless technologies are being developed to combat the finite battery power in wireless portable computing devices. This paper investigates energy efficiency, throughput and packet delay for non- persistent and p-persistent CSMA, two protocols popularly applied in current...
Biometrics guards for vehicles
Thesis - 7 pages - Physics
Recent Reports on the auto industry trends states that the car industry is growing at a rate of 8% world over. The Indian car segment is scaling a growth rate of more than 10 -20 percent. This growth has also resulted in growth of one more Industry the car theft industry as more the number of...
