| Lesson Plan |
| Name of Faculty : Will Be Assigned |
| Discipline : B.TECH (ME) |
| Semester : 7TH |
| Subject & Subject Code : REFRIGERATION & AIR CONDITIONING & ME-403-F |
| Lesson Plan Duration : 15 Weeks (from July, 2018 to November, 2018) |
| Work Load (Lecture/ Tutorial ) per week (in hours) : Lecure-03, Tutorial-2 |
| Week |
Theory |
| Lecture Day |
Topic |
| 1st |
1 |
Definition of refrigeration & air conditioning; Necessity; Methods of refrigeration; |
| 2 |
Unit of refrigeration; Coefficient of performance (COP), Fundamentals of air-conditioning system |
| 3 |
Refrigerants- Definition, Classification, Nomenclature, |
| Tutorial(G1) |
Tutorial Class Work based on Lecture/Numericals |
| Tutorial(G2) |
Tutorial Class Work based on Lecture/Numericals |
| 2nd |
1 |
Desirable properties, Comparative study, secondary refrigerants |
| 2 |
Introduction to eco-friendly Refrigerants; Introduction to Cryogenics |
| 3 |
Carnot refrigeration cycle. Temperature. Limitations |
| Tutorial(G1) |
Tutorial Class Work based on Lecture/Numericals |
| Tutorial(G2) |
Tutorial Class Work based on Lecture/Numericals |
| 3rd |
1 |
Brayton refrigeration or the Bell Coleman air refrigeration cycle; Necessity of cooling the aero plane |
| 2 |
Air craft refrigeration systems,Simple cooling and Simple evaporative types |
| 3 |
Boot strap and Boot strap evaporative types, Regenerative type and |
| Tutorial(G1) |
Tutorial Class Work based on Lecture/Numericals |
| Tutorial(G2) |
Tutorial Class Work based on Lecture/Numericals |
| 4th |
1 |
Reduced Ambient type system,Comparison of different systems |
| 2 |
Problems |
| 3 |
(A) Simple Vapour Compression (VC) Refrigeration systems-Limitations of Reversed Carnot cycle with vapour as the refrigerant |
| Tutorial(G1) |
Tutorial Class Work based on Lecture/Numericals |
| Tutorial(G2) |
Tutorial Class Work based on Lecture/Numericals |
| 5th |
1 |
Analysis of VC cycle considering degrees of sub cooling and superheating |
| 2 |
VC cycle on p-v, t-s and p-h diagrams; Effects of operating conditions on COP |
| 3 |
Comparison of VC cycle with Air Refrigeration cycle |
| Tutorial(G1) |
Tutorial Class Work based on Lecture/Numericals |
| Tutorial(G2) |
Tutorial Class Work based on Lecture/Numericals |
| 6th |
1 |
Necessity of compound compression, Compound VC cycle |
| 2 |
Inter-cooling with liquid sub –cooling and / or water inter cooler |
| 3 |
Multistage compression with flash inter-cooling and / or water inter-cooling |
| Tutorial(G1) |
Tutorial Class Work based on Lecture/Numericals |
| Tutorial(G2) |
Tutorial Class Work based on Lecture/Numericals |
| 7th |
1 |
Systems with individual or multiple expansion valves; Individual compression system with individual or multiple expansion valves |
| 2 |
Individual compression systems with individual or multiple expansion valves but with and without intercoolers |
| 3 |
Vapour Absorption Refrigeration Systems – Basic Systems, Actual COP of the System |
| Tutorial(G1) |
Assignment |
| Tutorial(G2) |
Assignment |
| 8th |
1 |
Performance, Relative merits and demerits; Properties of aqua ammonia |
| 2 |
Electrolux Refrigeration; Problems |
| 3 |
Steam Jet Refrigerating System- Introduction, Analysis, Relative merits and demerits |
| Tutorial(G1) |
Tutorial Class Work based on Lecture/Numericals |
| Tutorial(G2) |
Tutorial Class Work based on Lecture/Numericals |
| 9th |
1 |
Performance Applications, Problems |
| 2 |
Properties of moist Air-Gibbs Dalton law, Specific humidity |
| 3 |
Dew point temperature, Degree of saturation, Relative humidity, Enthalpy, Humid specific heat, Wet bulb temp. |
| Tutorial(G1) |
Tutorial Class Work based on Lecture/Numericals |
| Tutorial(G2) |
Tutorial Class Work based on Lecture/Numericals |
| 10th |
1 |
Thermodynamics wet bulb temp., Psychrometric chart; Psychrometry of air-conditioning processes |
| 2 |
Mixing Process, Basic processes in conditioning of air; Psychrometric processes in air washer |
| 3 |
Problems |
| Tutorial(G1) |
Tutorial Class Work based on Lecture/Numericals |
| Tutorial(G2) |
Tutorial Class Work based on Lecture/Numericals |
| 11th |
1 |
Outside and inside design conditions; Sources of heating load; Sources of cooling load |
| 2 |
Heat transfer through structure, Solar radiation, Electrical applications, Infiltration and ventilation |
| 3 |
Heat generation inside conditioned space; Apparatus selection |
| Tutorial(G1) |
Tutorial Class Work based on Lecture/Numericals |
| Tutorial(G2) |
Tutorial Class Work based on Lecture/Numericals |
| 12th |
1 |
Comfort chart, Problems. |
| 2 |
Classifications, Layout of plants; Equipment selection |
| 3 |
Air distribution system; Duct systems Design; Filters; Refrigerant piping |
| Tutorial(G1) |
Tutorial Class Work based on Lecture/Numericals |
| Tutorial(G2) |
Tutorial Class Work based on Lecture/Numericals |
| 13th |
1 |
Design of summer airconditioning and Winter air conditioning systems |
| 2 |
Temperature sensors, Pressure sensors, Humidity sensors, Actuators |
| 3 |
Safety controls; Accessories; Problems |
| Tutorial(G1) |
Tutorial Class Work based on Lecture/Numericals |
| Tutorial(G2) |
Tutorial Class Work based on Lecture/Numericals |
| 14th |
1 |
Type of compressors and their performance curves |
| 2 |
Types of Condensers |
| 3 |
Heat transfer in condensers; Types of expansion devices |
| Tutorial(G1) |
Assignment |
| Tutorial(G2) |
Assignment |
| 15th |
1 |
Types of evaporators |
| 2 |
Cooling andDehumidifying coils |
| 3 |
Problems |
| Tutorial(G1) |
Tutorial Class Work based on Lecture/Numericals |
| Tutorial(G2) |
Tutorial Class Work based on Lecture/Numericals |
