Thursday 23 April 2020

SPPU TE Mech, RAC Unit VI: Air Distribution Systems


SPPU

TE Mechanical (2015 Course) 

Subject: Refrigeration & Air Conditioning

Unit VI: Air Distribution Systems

Study Material


Syllabus

Unit VI Part A] Ducts


Classification of ducts, duct material, pressure in ducts, flow through duct, pressure losses in duct (friction losses, dynamic losses), air flow through simple duct system, equivalent diameter, Methods of duct system design: equal friction, velocity reduction, static regain method (numerical on duct system design)


Unit VI Part B] Air handling unit


Air handling unit, Fan coil unit, types of fans used air conditioning applications, fan laws, filters, supply and return grills, sensors (humidity, temperature, smoke).


Links for Study Material

Duct Material, Pressure in Ducts, Flow through Duct, Pressure Losses in Duct (Friction Losses, Dynamic Losses), Air Flow through Simple Duct System, Equivalent Diameter

Classification of Ducts, Methods of Duct System Design: Equal Friction, Velocity Reduction, Static Regain Method (Numerical on Duct System Design), Fan Laws

Air Handling Unit

Fan Coil Unit, Filters, Supply and Return Grills

Types of Fans Used Air Conditioning Applications (Refer Table 5.3)

Note 1: Numerical on Equal Friction and Velocity reduction methods of duct system design only from Part A. There will be no numerical from Part B.
Note 2: For more information, you may also watch other available NPTEL lectures for the subject.

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