# JNTU-K B.TECH R19 3-1 Syllabus For Thermodynamics and refrigeration systems PDF 2022

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You will be able to find information about Thermodynamics and refrigeration systems along with its Course Objectives and Course outcomes and also a list of textbook and reference books in this blog.You will get to learn a lot of new stuff and resolve a lot of questions you may have regarding Thermodynamics and refrigeration systems after reading this blog. Thermodynamics and refrigeration systems has 5 units altogether and you will be able to find notes for every unit on the CynoHub app. Thermodynamics and refrigeration systems can be learnt easily as long as you have a well planned study schedule and practice all the previous question papers, which are also available on the CynoHub app.

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### Thermodynamics and refrigeration systems Unit One

#### Thermodynamics

Introduction to Thermodynamic& it’s fundamental concepts. Classification of Thermodynamic system, Closed system-open system-isolated system, Laws of conservation of energy, heat & work. Laws of thermodynamic –first law, second law and zeroth law, Gas laws; Boyless’ law Charles law Guy–lussac law, Thermodynamic properties of perfect gases. Application of first law in heating and expansion of gases, Cycles-introduction-Applications, Carnot theorem-Carnot cycle.

### Thermodynamics and refrigeration systems Unit Two

#### Entropy

Entropy-introduction-physical concept of entropy, Change of entropy of gases in thermodynamics. Heat engines, Classification, Components, Working principles-Working cycle of 4-stoke and 2-stroke diesel and Petrol Engines, Air standard cycle-efficiencies, Explanation of Otto cycle-thermal efficiency equations, diesel cycle and dual cycle, Calculation of efficiencies, Mean effective pressure and their comparison, Measurement of indicated horse power, brake horse power, Heat balance calculations, Problems on IP, BP, Engine efficiencies and performances

### Thermodynamics and refrigeration systems Unit Three

#### Refrigeration

Refrigeration: Definition of refrigeration, second law of thermodynamics, major uses and applications, Principles of refrigeration –Room air conditioner, domestic refrigerator, working substances in refrigeration machines, unit of refrigerating capacity, coefficient of performance, problems on refrigeration capacity, Production low temperatures-Expansion of a liquid with flashing, reversible adiabatic expansion of a gas, irreversible adiabatic expansion (throttling) of a real gas, thermoelectric cooling, adiabatic demagnetization. Refrigeration machine, heat engines, Air refrigerators working& Numericals on reverse Carnot cycle-selection of operating temperatures & Numericals. Air refrigerators working on Bell Coleman cycle-Reversed Braytonor joule or Bell Coleman Cycle. Analysis of gas cycle, polytropic and multistage compression.

### Thermodynamics and refrigeration systems Unit Four

#### Vapour Refrigeration

Vapour refrigeration –Vapor as a refrigerant in reversed Carnot cycle with P-V. and T-s diagrams, problems on reversed Carnot cycle with vapour, gas as a refrigerant in reversed Carnot cycle, limitations of reversed Carnot cycle, Vapour compression systems –Modifications in reverse Carnot cycle with vapour as refrigerant (dry vs. wet compression, throttling Vs isentropic expansion), Vapor compression cycle, vapor compression system calculations, Vapor compression cycle –Representation of vapor compression cycle on pressure-enthalpy diagram, super heating, sub cooling, problems on vapour compression cycle, Liquid-vapour regenerative heat exchanger for vapour compression system, effect of suction vapour super heating, sub cooling, problems on vapour compression cycle, Vapour-absorption refrigeration system –Process, calculation, maximum coefficient of performance of a heat operated refrigerating machine, problems on vapour absorption refrigerating system, common, refrigerant-absorbent systems.

### Thermodynamics and refrigeration systems Unit Five

#### Common Refrigeration

Common refrigeration andtheir properties, Cold storage, controlled atmosphere storage, factor affecting refrigerated cold storage, hypobaric storage, Thermodynamic properties of moist air, perfect gas relationship for approximate calculation, adiabatic saturation process, ideal gas law, Amagat’s law, Dalton’s law, Psychometric chart –Saturation pressure, absolute humidity, percentage humidity, humid volume, total heat, enthalpy, adiabatic processes, wet bulb temperature and its measurement, psychometric chart and its use. Psychometric processes-state factor, cooling, heating, mixtures, dehumidifying, drying, air conditioning.

### Thermodynamics and refrigeration systems Course Objectives

Objective: To enable the students to know about the thermodynamic laws and principles, gas laws and different cycles and their efficiencies for efficient designs of heat engines, Refrigerator systems in general and Farm engines and cold storages in particular.

### Thermodynamics and refrigeration systems Course Outcomes

Outcomes:
1.Explain the thermodynamic system, Principal & laws.
2.Construct the concept, application and working principals of cycle engines.
3.Explain the refrigeration concept, working principle and it application.
4.Importing knowledge on refrigeration agents with special focus on vapor.
5.Apply refrigeration technology for agro based products strategy structure

### Thermodynamics and refrigeration systems Text Books

1.Engineering Thermodynamics, Nag PK 1995, Tata Mc Graw Hill Publishing Co., Ltd., 12/4 Asaf Ali Road, New Delhi.
2.Refrigeration and Air conditioning, C P Arora.

### Thermodynamics and refrigeration systems Reference Books

REFERENCES:
1.A Course in Thermodynamics and Heat Engines, Kothandaraman C.P Khajuria PR and Arora SC 1992.Dhanpat Rai and Sons, 1682 Nai Sarak, New Delhi
2.Engineering Thermodynamics, Khurmi RS 1992 S Chand and Co. Ltd Ram Nagar, New Delhi.
3.Thermodynamics and Heat Power Engineering, Mathur ML and Mehata fs 1992Dhanpat Rai and Sons1682 Nai Sarak, New Delhi
4. Thermal Engineering, Ballaney PL 1994, Khanna Publishers, New Delhi
5.A text book of Refrigeration and Air Conditioning, R. S. Khurmi and J.K. Gupta –2008, S. Chand &Company Ltd, New Delhi

### Scoring Marks in Thermodynamics and refrigeration systems

Information about JNTUK B.Tech R19 Thermodynamics and refrigeration systems was provided in detail in this article. To know more about the syllabus of other Engineering Subjects of JNTUH check out the official CynoHub application. Click below to download the CynoHub application.

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