Different types of manometers instrumentation and control. The method of using a utube manometer for measuring liquid under moderate pressure, liquid under vacuum, gas under pressure or gas under vacuum are studied here and explained through neat illustrations. A manometer is a device used for measure the pressure of a fluid by balancing it with against a column of a liquid. Fluid mechanics video lectures nptel engineering video. The effect of inclining the limb is to make the manometer more sensitive than the well type, allowing the more accurate measurement. Measurement of such pressures with a mercury manometer would necessitate an increase in its height to 26. Nptel provides elearning through online web and video courses various. The inclined manometer is frequently called a draft gage because it is widely used for determining the overfired draft in boiler uptakes and flues. Which videos of nptel are a must watchbest for civil. Certificate will have your name, photograph and the score in the final exam with the breakup. This is lecture 7 in the online fluid mechanics course ce 340 from ohio university by dr. Which among the following configurations will be suitable, if air is selected as the manometric fluid.
I have cracked gate twice and i personally suggest these videos lectures. Database management system nptel online videos, courses. In the first phase of the nptel project, iitg has developed 05 video courses and 15 web courses and in the second phase, iitg has developed 16 video courses and 64 web courses. In the first course, mainly the dc motor control both steady state and dynamic, and steady state torque. This is an educational video tutorial to support fluid mechanics course at the universiti kuala lumpur malaysian spanish institute, kulim hitech park malaysia. Manometers tutorial of introduction to fluid mechanics course by prof prof. Computer networks nptel online videos, courses iit. The manometer was mounted on the eiffel tower in paris. This video discusses manometers and different devices to measure pressure. A device used to measure the pressure at any point in a fluid, manometers are also used to measure the pressure of gas and air.
The main difference between a utube manometer and a well type manometer is that the utube is substituted by a large well such that the variation in the level in the well will be negligible and instead of measuring a differential height, a single height in the remaining column is measured. A mercury or oil manometer measures gas pressure as the height of a fluid column of mercury or oil that the gas sample supports. Many techniques have been developed for the measurement of pressure and vacuum. Lectures from the national programme on technology enhanced learning nptel s. Dwyer instruments primer on how our products work dwyer. If you are not able to download lectures due to bandwidth constraints, you can obtain the courses in dvds by paying a nominal fee to cover the cost of storage media and distribution. Questions question what is the advantage of using a manometer rather than a magnehelic gage. The manometer s inclined angle provides many advantages. Manometer application equation for pressure engineers edge. Iit nptel civil engineering online video lectures, courses, tutorials, books civil engineering bridges, autocad, structural engineering youtube civil engineering videos. Civil engineering video lectures from nptel, iit, mit. A manometer to determine this differential pressure is known as differential pressure manometer. Alok barua, department of electrical engineering,iit kharagpur.
Nptel video lecture topic list created by linuxpert. A utube manometer uses a special oil having a specific gravity of 0. The working principle, types, and applications of a manometer. One of the most common is the water filled utube manometer used to measure pressure difference in pitot or orifices located in the airflow in air handling or ventilation system. Manometer s are used to measure the difference between dynamic and static pressures and may be configured as a utube, a single tube, or inverted depending on the application. It is used to measure gauge pressure and are the primary instruments used in the workshop for calibration. Som from iit kharagpur made available by nptel elearning initiative. Due to inclination the distance moved by the fluid in manometer is more.
Pressure measurement by utube manometer video lecture from pressure and pressure measurement chapter of fluid mechanics subject. In using a manometer, generally a known pressure which. In the last class, if you recall, we were discussing about the manometers. It consist a u shaped bend whose one end is attached to the gauge point a and other end is open to the atmosphere. Nptel video lecture topic list created by linuxpert systems, chennaiget digimat digital media access terminal for highspeed video streaming of nptel and educational video. Nptel online videos, courses iit video lectures well organized. Manometers are used in various industrial application for pressure and vacuum measurements. The compiled slides of the introductory fluid mechanics course a fundamental course in mechanical engineering prepared by professors sankar kumar som of iit kharagpur and gautam biswas of iit kanpur. Nptel syllabus advanced electric drives video course course outline the first course on electric drives usually introduces the concept of control of electric motors for various types of mechanical loads. Nptel video lectures on machinery condition monitoring and signal processing please click to view the youtube playlist 40 lectures by prof. Nptel material is available for free on nptel website.
In some cases, however, the difference between pressure at ends of the manometer tube is desired rather than the actual pressure at the either end. Pdf on manometer technically a manometer is any device used to measure pressure. Jul 05, 2012 process control and instrumentation by prof. This is a perfect place to get started with programming if you are a newbie. So, you want to download all of the video lectures for a course in nptel. A manometer is a scientific instrument used to measure gas pressures. Nptel fluid mechanics nptel video lectures from iits and iisc. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online. Answer dwyer instruments manufactures many different types and styles of manometers with various accuracies and prices for different applications as well as the magnehelic gage. Since almost all pressure sensors measure a pressure difference, we need to distinguish between absolute and gauge pressures.
Both slp and patient will then have the information they need to be able to perform the technique. As a result, the graduation scale can be very precisedown to a hundredth of an inch accuracy. Engineering mechanics video lectures from nptel, iit, mit. Nptel syllabus industrial drives power electronics. Pressure measurement pressure is a force per unit area exerted by a fluid perpendicular to a boundary as opposed to shear stress, which is exerted parallel to the boundary. This device is used for most cases as it is very simple in.
Manometer is a device which measures pressure by balancing a column of liquid against. Nptel video lecture topic list created by linuxpert systems, chennai get digimat digital media access terminal for highspeed video streaming of nptel and educational video courses in lan nptel video course ocean engineering elements of ocean engineering subject coordinator dr. Fluid mechanics nptel online videos, courses iit video. Nptel, online courses and certification, learn for free. To further increase readability and sensitivity the welltype manometer indicating tube is inclined, as in fig. So, pressure measuring instruments such as piston type, ring balance, bell type, gauge are all examples of instruments which use this principle. Nptel electrical engineering video lecture online study. Java video tutorials, j2ee video tutorials, j2ee video lectures, java video lectures, java tutorial videos, java video tutorial torrent, java tutorial video tutorials, java tutorial video free download, core java tutorial video torrent, java tutorial vide. It can be used for measuring gauge, absolute, atmospheric. Fluid mechanics video lectures, fluid mechanics course videos, nptel fluid mechanics, fluid mechanics video classes, fluid mechanics online videos, civil engineering video lectures, nptel video lectures, iit video lectures, nptel civil engineering videos. Large pressure differences are measured with heavy fluids, such as mercury e. Manometers are unique in being both pressure measurement instruments and standards for calibration of other instruments.
Mechanical engineering video lectures from nptel, iit, mit. The axis of each connecting tube at a and b should be perpendicular to the direction of flow and also for the. The mission of nptel is to enhance the quality of engineering education in the country by providing free online courseware. The upper limit of measurement of piston manometers is about 3. The manometer is a simple device to measure small amounts of pressure. Learn for free, pay a small fee for exam and get a certificate. Five different types of manometers are shown below with images utube manometer.
A u tube manometer is used for measuring fluid and gas pressures under different conditions. Open manometers measure gas pressure relative to atmospheric pressure. Sarkar department of chemical engineering,iit kharagpur. In this case, the height of the apparatus is no more than 2. Atomic physics lecture notes pdf 141p this lecture note covers the following topics. Fluid mechanics notes pdf fm notes pdf starts with the topics covering introduction to dimensions and units physical properties of fluids specific gravity, viscosity, surface tension. Learncheme features faculty prepared engineering education resources for students and instructors produced by the department of chemical and biological engineering at the university of colorado boulder and funded by the national science foundation, shell, and the engineering excellence fund. In this type, one side of transparent tube or column is attached the pipe where the pressure of the liquid is to be measured and the other end is open into the atmosphere. Nptel syllabus industrial drives power electronics video course 1. Pressure difference between a and b is give by equation.
These videos are from an 8week course offered by nptel. Inclinedlimb manometer principle instrumentation tools. Clear understanding of concepts are indeed essential, but at the same time, adequate practice is pre requisite to crack gate with high marks. Pressure measuring devices using liquid columns in vertical or inclined tubes are called manometers. Fluid mechanics pdf notes fm pdf notes smartzworld. Lecture series on database management system by prof. Nptel mechanical engineering videos video lectures, classes, courses, video clips, tutorials and video downloads from iits, mit, standford and other top educational institutions. Outline and manometers california state university, northridge. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses, youtube iit videos nptel courses. Pressure measurement is the analysis of an applied force by a fluid liquid or gas on a surface. Pressure can also be measured by balancing against a known force.
An inclined tube manometer is more accurate if the inclination of the tube. Engineering mechanics video lectures, engineering mechanics iit videos, engineering mechanics nptel videos, engineering mechanics video tutorials,engineering mechanics video classes, engineering mechanics nptel course videos. As the name inclinedlimb manometer suggests, the manometer limb is inclined at an angle to the horizontal. A few conditions where this device may be specifically employed are discussed in this article.
Utube manometer measuring pressure, utube manometer differential pressure, singleleg manometer gauge pressure, inclined singleleg manometer measured pressure, inverted utube manometer equation. This manometer consists of a u shaped tube in which the manometeric liquid is filled. Inclined manometer is used for the measurement of small pressures and is to measure more accurately than the vertical tube type manometer. How a u tube manometer works brighthub engineering. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures.
Pressure is typically measured in units of force per unit of surface area. Manometer is also called a liquid column manometer and is used for low differential pressure measurement. Fluid statics, kinematics of fluid, conservation equations and analysis of finite control volume, equations of motion and mechanical energy, principles of physical similarity and dimensional analysis, flow of ideal fluids viscous incompressible flows, laminar boundary layers, turbulent flow, applications of viscous flows. Meriams manometer line meriam manometers have many advantages in this age of technology because of their inherent accuracy and simplicity. Mechanical measurements and metrology nptel online videos. The maximum pressure that a mercury manometer, using a 1 m length of glass tubing. Moocs mhrd online 60 halfhour video lectures on machinery condition monitoring and signal processing. A manometer is a device, which measures the pressure of a system in terms of its. Manometers measure a pressure difference by balancing the weight of a fluid column between the two pressures of interest.
One side of the manometer is open to the atmospheric pressure of 750 mm hg and the difference in column height h is measured as 25 cm when exposed to an air source at 25 oc. How to download all of the lectures for a course in nptel. Manometer pressure calculator utube manometer measuring. Click on any video lecture link to view and download that video. Series 477 handheld digital manometer instructions and operation. Mathematics video lectures nptel video lectures, course. Manometerworking,construction,types,utube,well type. How to make a manometer as previously described in this manual, it is absolutely necessary to make the nasal airflow visible so that the polite yawning technique can be optimally acquired. Mechanical measurements and metrology nptel online. Here you can download the free fluid mechanics pdf notes fm pdf notes latest and old materials with multiple file links to download. Lecture series on industrial instrumentation by prof.
The usual range of pressure that falls for this device is around 0. Janakiram, department of computer science and engineering, iit madras dr. Ecertificate will be given to those who register and write the exam and score greater than or equal to 40% final score. Pressure measurement by utube manometer pressure and. Series 477 handheld digital manometer instructions and operation bulletin d22 dwyer instruments, inc. A small or low amount of pressure against the inclined manometer will produce a large liquid movement relative to the tubes graduations. The principle of the manometer is that the pressure to be measured is applied to one side of the. Manometer article about manometer by the free dictionary.
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