Print this page HVAC Energy Conservation through Cooling Water Conditioning
A. Bhatia, B.E.
Course Outline
This 4-hour course
discusses the HVAC system energy conservation through cooling water treatment.
The savings are associated with the prevention or removal of scale built up
on a heat exchange surfaces where even a thin film of 1/32" or 0.8mm can
increase the energy consumption by nearly 10%.
This paper is aimed at students, architects, air-conditioning engineers, energy
auditors and the O & M professionals who are responsible for efficient operation
and design of system. It is assumed that all the readers know the basic functioning
of the air-conditioning system.
This course includes
a multiple-choice quiz at the end, which is designed to enhance the understanding
of the course materials.
Learning Objective
At the conclusion of this course, the student will:
- Be aware of the energy use of air-conditioning system
- Be aware of waterside problems encountering open and closed recirculation water systems
- Be able to recognise
the potential benefits of cooling water quality
HVAC contributes
to major energy cost. Cooling water is essential for large air-conditioning
systems. The use of good quality water or proper treatment could allow you to
realize your energy efficiency and water conservation goals.
The course provides overview of the waterside problems specific to HVAC systems.
The course briefly discusses on how the energy is dissipated from the closed
and open re-circulation systems and how effective implementation and tight monitoring
of the water treatment programs can conserve it.
Course Content
The the course content is in a PDF file HVAC Energy Conservation through Cooling Water Conditioning. You need to open or download this document to study this course.
Course
Summary
In today's world
of expensive energy and replacement costs, it is more vital than ever, for heat
exchange equipment to be kept free of insulating deposits. The four principal
reasons for water treatment in HVAC systems is to (a) to limit corrosion, (b)
to prevent the build-up of scale and sediment, and (c) to reduce the amount
of bacteria, including Legionella, and other microorganisms and (d) to affect
energy conservation.
Scale deposits and corrosion products on the tube surfaces reduce heat transfer
efficiency and increases energy costs. These factors are important for another
reason: they have a direct effect on equipment life.
The water-cooled air-conditioning systems consume large chunk of power. In absence
of any water treatment or poorly managed treatment program, the threat of scale
and deposit formation is severe. An effective water treatment program could
contribute to saving good amount of dollars while offsetting the treatment costs.
Water conditioning thus is a very important aspect of energy conservation program.
Related Reading
Cooling Water
Problems and Solutions
A 3-hour course titled "Cooling Water Problems &
Solutions" provides an overview and basic understanding of the cooling
water related issues. The contents in this paper are presented in a simple question
& answer format to ease the learning. The course provides good reference
material and is a recommended reading.
Cooling Water System- An Overview of Cooling Towers
The course Cooling Water System - "An overview of
Cooling Towers" provides the system details for the open re-circulation
cooling water systems. The 4-hours course summarizes the important features
of the cooling tower systems.
Once
you finish studying the
above course content,
you need to
take a quiz
to obtain the PDH credits.
DISCLAIMER: The materials contained in the online course are not intended as a representation or warranty on the part of PDHonline.com or any other person/organization named herein. The materials are for general information only. They are not a substitute for competent professional advice. Application of this information to a specific project should be reviewed by a registered professional engineer. Anyone making use of the information set forth herein does so at their own risk and assumes any and all resulting liability arising therefrom.
