National programme on technology enhanced learning nptel visit official website. A vapour compression refrigeration system is an improved type of air refrigeration system in which a suitable working substance, termed as. Notes for refrigeration and air conditioning rac by abhishek apoorv lecture notes, notes, pdf free download, engineering notes, university notes, best pdf notes, semester, sem, year, for all, study material. Khurmi is very useful for mechanical engineering mech students and also who are all having an interest to develop their knowledge in the field of design, automobile, production, thermal engineering as well as all the works related to mechanical field. Humidification chamber insulated wall air out at t, ys as air in at tg, y water spray makeup water at tas water at tas pump figure 6. The new zealand qualifications in refrigeration and air. Refrigeration and air conditioning, rac study materials, engineering class handwritten notes, exam notes, previous year questions, pdf free download. An efficient nozzle is designed to have higher velocity, greater mass flow and minimum inlet losses. Cooling and heating load calculations estimation of solar radiation. You work with minimum supervision and have a good record of safety, fault.
They design, install and maintain refrigeration and hvac heating, ventilation and air conditioning systems. Unlike static pdf refrigeration and air conditioning technology solution manuals or printed answer keys, our experts show you how to solve each problem stepbystep. Some strategies are used to separate the liquid from. Air conditioning and refrigeration books free download. Nptel chemical mass transfer operation 1 module 6 humidification and air conditioning lecture no.
A refrigeration and air conditioning engineer works on commercial, residential and industrial projects. Ueeneej111a diagnose and rectify faults in air conditioning and refrigeration mem30205 units of study include mem18086b test, recover, evacuate and charge refrigeration systems mem18088b maintain and repair commercial air conditioning systems and components mem18049c disconnectreconnect fixed wired equipment up to vac1500 vdc. Refrigeration and airconditioning mechanical material. Pdf textbook of refrigeration and air conditioning by r.
You can check your reasoning as you tackle a problem using our interactive. The free study is an elearning platform created for those who wants to gain knowledge. Notes refrigeration and air conditioning rac lecturenotes. Here we are providing you ebooks, papers, notes, information and technology, test series and much. Vapour compression refrigeration systems vapour absorption refrigeration systems air cycle refrigeration systems. Upon successful completion of this course the student should be able to.
Knowledge of all equipment and tools used in refrigeration and air conditioning repair. Further, the comfort airconditioning and indoor environment health are also addressed in this course. Sarkari job help provides you all the latest recruitment information, sarkari naukri jobs. Leading vocational education and training organisation. Download ebooks for free from engineering study material site. If you have any doubts please refer to the jntu syllabus book. Refrigeration and air conditioningiit kharagpur notes scribd. It can be defined as the process of transferring heat from a low temperature regionto a high temperature region. Nptel mechanical engineering refrigeration and air. Nov 29, 2012 refrigeration and air conditioning notes 1.
Balamugundansenior lecturerpanimalar engg college refrigeration and air conditioningrefrigeration. Definition of refrigeration and air conditioning history of refrigeration and air conditioning history from conceptual point of view. In the past, this was done by collecting ice in the winter and using its specific heat to cool as the ice melted. The waterlithium bromide vapor absorption system is used in a number of air conditioning applications. Vortex tube refrigeration it consists of nozzle, diaphragm, valve, hotair side, coldair side. Ideally suited to those with a little or no knowledge of the subject. Handbook of air conditioning and refrigeration shan k.
Air conditioning and refrigeration notes free pdf download. The new zealand qualifications in refrigeration and air conditioning rac building skills, careers and businesses if youre reading this booklet, its likely youre about to make a big decision. Refrigeration and air conditioning free online course video tutorial by iit kharagpur. Refrigeration and airconditioning nptel online videos, courses. Evaporative, winter and all year air conditioning systems. Refrigeration and air conditioning has a wide range of applications today. Notes for refrigeration and air conditioning rac by abhishek apoorv lecture notes, notes, pdf free download, engineering notes, university. Ice production by nocturnal cooling in ancient india and application of evaporative cooling in india. It has been mentioned above that the refrigeration and air conditioning are related. Arora from iit kharagpur made available by nptel elearning initiative. Refrigeration and air conditioning pdf notes rac pdf notes file to download are listed below please check it link.
Khurmi a textbook of refrigeration and air conditioning is an aptly written textbooks for the students of mechanical engineering while also a mustread for anyone with an interest in the subject. Knowledge, skill, or ability related to performing this action. Refrigeration and air conditioning rac study materials. Refrigeration and air conditioning by r s khurmi, rac book pdf download, refrigeration and air conditioning book, refrigeration and air conditioning pdf. No doubt, rac engineering has a great future ahead. This warming and cooling of the air is usually referred to as winter and summer air conditioning. Summer air conditioning system pdf nptel sante blog. Mechanical engineering refrigeration and air conditioning nptel. Handbook of heating, ventilation and air conditioning. Home mcq refrigeration multiple choice questions with answers on refrigeration and airconditioning set 07 multiple choice questions with answers on refrigeration and airconditioning set 07 mcq refrigeration edit. At a lower temperature, molecular motion slows down and the growth of bacteria that causes food spoilage also retards. Refrigeration and air conditioning pdf notes rac pdf notes file to download are listed below please check it note. Applications of refrigeration and air conditioning.
These notes are according to the r09 syllabus book of jntu. He has supervised number of masters and doctoral students in this area. Nptel mechanical engineering refrigeration and air conditioning nptel mechanical engineering noc refrigeration and air air conditioning system nptel air conditioning system nptel. Apart from the described products for refrigeration and air conditioning applications, we offer a comprehensive standard program for the measurement of pressure, temperature and level.
Schematic representation of adiabatic saturation of air. Contents this brochure assists you in selecting the right instruments. Both power generation and refrigeration are usually accomplished by a system that. Download textbook of refrigeration and air conditioning by r. Lecture 1 recapitulation of thermodynamics lecture 2 introduction to refrigeration lecture 3 air refrigeration cycle lecture 4 aircraft refrigeration. Made easy refrigeration air conditioning rac hand written notes of mechanical engineering for gate, ies, psu competitive exam free download in pdf format. Ramgopal department of mechanical engineering iit kharagpur. Winter air conditioning system authorstream air conditioning system nptel air conditioning system winter in air conditioning system winter in. Generally, refrigeration and air conditioning are treated in a single subject due to the fact that one of the most important application of refrigeration is in cooling and dehumidification as required for summer air conditioning. When 1 pound of ice melts, it absorbs 144 btu, as latent energy. Welcome to the nptel course on refrigeration and air conditioning. Cycle suffers from low cop as processes are irreversible. Mar 22, 2018 refrigeration and air conditioning jobs to get the file, download the refrigeration and air conditioning mechanical material notes pdf.
Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses, youtube iit videos nptel courses. Below table provides you pdf air conditioning and refrigeration book by r. Further, the comfort air conditioning and indoor environment health are also addressed in this course. Nptel provides elearning through online web and video courses various streams. You are an experienced refrigeration, airconditioning and heat pump systems engineer and have a great deal of technical skills and knowledge.
Multiple choice questions with answers on refrigeration. The course consists of different refrigeration cycles and understanding of psychrometry and psychrometric processes used for the purpose of air conditioning. Refrigeration systems are also used for providing cooling and dehumidification in. Refrigeration and air conditioning online course video. Aug 08, 2018 nptel mechanical engineering refrigeration and air conditioning nptel mechanical engineering noc refrigeration and air air conditioning system nptel air conditioning system nptel. Which is basically a large heat exchanger, by rejecting heat to a cooling. Even when a space has to be heated, it can be done so by changing the direction of. Vortex tube refrigeration it consists of nozzle, diaphragm, valve, hot air side, cold air side. Refrigeration and air conditioning theory hindi book for iti students d. Refrigeration and air conditioning theory book for iti.
These notes are of easyengineering team prepared notes. Refrigeration and air conditioning theory book for i. Made easy refrigeration air conditioning hand written. Miller professor, industrial technology the university of texas at tyler tyler, texas mcgrawhill new york chicago san francisco lisbon london madrid mexico city milan new delhi san juan seoul singapore sydney toronto.
Airah handbook, australian institute of refrigeration, air conditioning and heating. Handbook of air conditioning system design, carrier air conditioning company, mcgrawhill book co. No need to wait for office hours or assignments to be graded to find out where you took a wrong turn. Residential and commercial air conditioning and refrigeration applications open, semihermetic and welded hermetic liquid slugging if theres liquid in cool vapor refrigerant, the liquid can damage the moving components like the piston. Khurmi by textbook of refrigeration and air conditioning. Refrigeration and airconditioning mechanical material notes pdf. Refrigeration and air conditioning technology solution. Here are some special features of the water and lithium bromide in an absorption refrigeration. In r and r15,8units of r09 syllabus are combined into 5units in r and r15 syllabus.
I am ramgopal from the department of mechanical engineering. Click on any video lecture link to view and download that video. Recommended 2 years syllabus useful book for basic mechanics this book has been written to met the requirement of students getting training in refrigeration and airconditioning mechanic trade. Mar, 2010 refrigeration and air conditioning lecture slides lesson 1 lesson 2 lesson 3 lesson 4 lesson 5 lesson 6 lesson 7 lesson. The nozzles are of converging or diverging or convergingdiverging type as per the design. Air conditioning and refrigeration rex miller professor emeritus state university college at buffalo buffalo, new york mark r.
Rac book pdf download refrigeration and air conditioning. Describe various air cycle refrigeration systems section 9. Made easy refrigeration air conditioning hand written notes. Thermodynamic system thermodynamic functions thermodynamic properties fundamental laws of thermodynamics thermodynamic relations thermodynamic processes download links click below the link download to save the book pdf download. This system is useful for applications where the temperature required is more than 32 degree f. Textbook of refrigeration and air conditioning written by r. Refrigeration and airconditioning nptel online videos. Pdf textbook of refrigeration and airconditioning by r. Sep 23, 2018 winter air conditioning system authorstream air conditioning system nptel air conditioning system winter in air conditioning system winter in. As the name implies, air conditioning is concerned with the condition of the air in some designated area or space this usually involves control not only of the space temperature but also of space humidity and air motion, along with the filtering and cleaning of the air. The course consists of different refrigeration cycles and understanding of psychrometry and psychrometric processes used for the purpose of airconditioning. Browse and download air conditioning and refrigeration books of various titles, written by many authors and published by a number of publications for free in pdf format. Ashrae thermodynamic properties of refrigerants, american society of heating, refrigeration and air conditioning engineers, 1980.
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