AS 4180.1-2008

$87.70

Measurement of drift loss from cooling towers, Part 1: Chloride balance method

Sets out the requirements for measuring the drift of circulating water into the atmosphere by a chloride ion mass balance on the water circuit, under laboratory conditions.

Table of contents
Header
About this publication
Preface
Foreword
1 Scope
2 Application
3 Referenced documents
4 Definitions
5 General requirements for equipment tested
5.1 General
5.2 Device under test
5.3 Water leaks
6 Required test conditions
6.1 General
6.2 Flow rates
6.3 Wind velocity
6.4 Rain
6.5 Test temperatures
6.6 Water samples
7 Sodium chloride requirements
7.1 General
7.2 Sodium chloride mass
7.3 Accuracy
7.4 Sodium chloride solution
8 Chloride ion concentration measurement
8.1 Samples
8.2 Measurement
9 Test procedure
10 Calculations
10.1 Mass of circulating water (mc)
10.2 Drift measurement time
10.3 Mass of sodium chloride
10.4 Mean effective wet-bulb depression
10.5 Evaporation ratio (re)
10.6 Drift loss
10.7 Percentage drift loss
11 Test report
Appendix A
Appendix B
B1 General
B2 Initial measurements (see Clause 9 (e))
B3 Mass of sodium chloride (see Clause 7.2)
B4 Make-up water time (see Clause 9 (h))
B5 Drift time (see Clause 9 (n))
B6 Sample readings (see Clause 9)
B7 Water mass (see Clause 10.1)
B8 Check drift time (see Clause 10.2)
B9 Check salt mass (see Clause 10.3)
B10 Evaporation ratio, re (see Clause 10.5)
B11 Drift loss rate (see Clause 10.6)
B12 Percentage drift loss (see Clause 10.7)
Appendix C

Cited references in this standard
Content history

[Superseded]

AS 4180.1-2008 REC:2018

DR 07122

Please select a variation to view its description.

Published

14/11/2008

Pages

12

Please select a variation to view its pdf.

AS 4180.1-2008
$87.70