Wednesday, February 26, 2020

ENERGY LOSSES IN BENDS ( Fluid Mechanics for Engineers ) Lab Report

ENERGY LOSSES IN BENDS ( Fluid Mechanics for Engineers ) - Lab Report Example the results have been obtained for three different runs and this will be important in obtained different results that will be crucial for computation of the different values of K loss coefficient. The data obtained will also be used to plot a graph of head loss Versus Dynamic Head. The extent of the errors will then be computed in order to determine the accuracy of the data obtained. Finally, the values computed will be compared against the values given in the textbooks and the observations made recorded. Energy losses in pipes normally result from friction that occurs between the walls of the pipe and the fluid and the internal friction in the particles of the fluid. On the location of the pipe whereby the streamlines are not straight such as the bends, piping junctions, valves contraction and expansion joints and the inlets and outlets of the reservoirs, minor head losses are experienced (Fluid mechanics: Online). In this experiment, we are going to measure the minor head losses through a section of pipe with a number of transitions, fittings and bends as shown in the figure below: The main purpose of this experiment is to study the head losses through common fittings and valves that are commonly found in piping systems. These head losses are referred to as minor losses and can be evaluated in the form of loss coefficient KL and compared with the theoretical values given in the textbook. Where pi is the static pressure in Pascal, is the specific weight of the fluid, z1 is the elevation in meters of point i , Vi is the velocity of the fluid at point i and g is the gravitational constant and hL is head loss. gives the static head of the pipe and gives the dynamic head (Armfield Instruction Manual, 2004). The sum of the static velocity and the elevation result into what is known as the piezometric head. This is measured with a manometer aboard the apparatus of this experiment. The head loss of the piping is the summation

Monday, February 10, 2020

Personal and Professional Development Essay Example | Topics and Well Written Essays - 1500 words

Personal and Professional Development - Essay Example Times have changed and are continuing to change as the gauntlet is transferred from one form of learning expertise to another. While previously it was enough for a teacher to be able to handle simple routine tasks, this definition has passed into oblivion in recent times. Above everything else, a teacher must be possessed with a vision to go forward and to explore new turf. Modern life is all about integration and modern teaching and learning are following the same path. Consider for example the state of communication that we exist in today. Only a few years ago it was common to have a phone at the office, a cellular phone in the pocket, a fax machine on the desk, a desktop computer and other such articles to deal with communication. Today all of these things have disappeared altogether. Everything is integrated. It is extremely common today to find all of this communication equipment and more (such as GPS, location tracking and the like) in a simple Smartphone that sits in your pocket. This trend of integration has not been limited to high end executives and CEOs alone. Instead integration has been sweeping the entire socio-economic strata from end to end. A Smartphone is as common in the Corner Office as it is with children attending high school these days. The key thing to take note of here is integration. Much similar to communication equipment, teaching and learning are becoming more and more constrained to integrate with other things in order to drive the efficacy and success of both. Modern careers are coming under increasing pressure to obtain individuals who have more than one area of expertise. The modern manager for a car repair business for example may need to know how to handle people, how to mix paint, how to repair fenders, how to create budgets and other such functions all at the same time. This situation is different from the specialization that was offered under the Fordist model of growth that calls for specialization. Instead a manager and a lead er today need to have essential skills in their bag to deal with the competitive nature of the market. This is only possible if the learning offered to the modern student is enough to handle the strains of modern careers. Modern learners need to be offered various avenues to explore their own potential in order to produce individuals who are ready to pick the gauntlet and walk with it. Traditional methods of learning including blackboards and hard printed books are all but things of the past. The modern learner is far more interested in finding the information they require using digital methods rather than having to search through volumes of printed material. It could be expected that children would need to be taught how to extract information. However, in the modern day this situation is nowhere to be found. Instead the teacher is at times learning from students as to extracting information from the internet. Modern students are well equipped and prepared to handle the information t