Manual for refrigeration servicing introduction technicians. Vapour compression refrigeration systems vapour compression refrigeration systems watch refrigeration and air conditioning mechanical engineering course from iit kharagpur video lectures by prof. When 1 pound of ice melts, it absorbs 144 btu, as latent energy. How to download all of the lectures for a course in nptel. Lesson planning refrigeration and air conditioning. However, the cost, size, and complexity of refrigeration systems of the time, coupled with the toxicity of their ammonia coolants, prevented the general use of mechanical refrigerators in the. Refrigeration and air conditioning pdf notes rac pdf notes file to download are listed below please check it link. This effect is commonly used in camping and portable coolers and for cooling electronic components and small instruments. Lecture 18 refrigeration vapour compression cycle lecture 19 psychometrics lecture 20 psychometrics continued. Welch 3rd edition download mirror 1 air conditioning and refrigeration. Click here to visit our frequently asked questions about html5. Introduction to refrigeration and air conditioning youtube.
An introduction thermoelectric cooling uses the peltier effect to create a heat flux between the junctions of two different types of materials. Digital vlsi system design nptel online videos, courses iit video lectures. Find the attachment below for previous years question papers of refrigeration and air conditioning. So, you want to download all of the video lectures for a course in nptel. It is one of the best ways to prepare for competitive exams and also to clear your basics which is important for clearing interviews, during job, further studies etc. Learn for free, pay a small fee for exam and get a certificate. Digital vlsi system design nptel online videos, courses. Ramgopal department of mechanical engineering iit kharagpur.
Nptel provides courseware in the form of video lectures and web courses. Describe various air cycle refrigeration systems section 9. An efficient nozzle is designed to have higher velocity, greater mass flow and minimum inlet losses. Welcome to the manual for refrigeration servicing technicians. Applied thermodynamics videos, lectures, classes, courses, books, tutorials nptel thermodynamics videos, thermodynamics video lectures, thermodynamics video classes.
These notes are according to the r09 syllabus book of jntu. Mechanical engineering refrigeration and air conditioning nptel. Unit 3 refrigeration equipment refrigeration equipment. Refrigeration and air conditioning free online course video tutorial by iit kharagpur. It is really great that you are preparing using nptel. Refrigeration and air conditioning i course about video. Compression refrigeration cycles in general take advantage of the idea that highly compressed fluids at one temperature will tend to. Arora from iit kharagpur made available by nptel elearning initiative.
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In the past, this was done by collecting ice in the winter and using its specific heat to cool as the ice melted. Refrigeration and air conditioning pdf notes rac pdf notes. Click here to visit our frequently asked questions about html5 video. Dom ebooks fundamentals of mechanical vibrations 2nd edition by s.
Mechanical refrigeration and airconditioning youtube. In r and r15,8units of r09 syllabus are combined into 5units in r and r15 syllabus. Download pdf, ppt, lecture slides, handouts, solutions, projects and much more by. Lec18 refrigeration vapour compression cycle nptel. Lec18 refrigeration vapour compression cycle lecture series on applied thermodynamics for marine systems by prof. Question papers refrigeration and air conditioning. This course provides a simple understanding of refrigeration and airconditioning fundamentals. Air conditioning and refrigeration notes free pdf download. Click on any video lecture link to view and download that video.
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Cylinder and piston mechanism and pv diagram of a reciprocating compressor where d is the bore or diameter and l is the stroke, i. Special university course for future engineers lecture notes. You can also get course completion certification for some of the courses. Most of these courses consists 40 videos and 1 hour duration each. Nptel mechanical engineering refrigeration and air. Refrigeration and air conditioning mechanical engineering. Nptel, online courses and certification, learn for free. Vortex tube refrigeration it consists of nozzle, diaphragm, valve, hotair side, coldair side. Which is basically a large heat exchanger, by rejecting heat to a cooling. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses, youtube iit videos nptel courses. Refrigeration and airconditioning nptel online videos. Nptel gate courses for civil engineering online video lecture. Introduction to refrigeration and air conditioning watch more videos at. The nozzles are of converging or diverging or convergingdiverging type as per the design.
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