Armfield S12-MKII User manual
Advanced Environmental
Hydrology System
Instruction Manual
S12-MKII
ISSUE 21
February 2014
ii
Table of Contents
Copyright and Trademarks...................................................................................... 1
General Overview ....................................................................................................... 2
Equipment Diagrams................................................................................................... 4
Important Safety Information....................................................................................... 7
Introduction.............................................................................................................. 7
Electrical Safety....................................................................................................... 7
Heavy Equipment.................................................................................................... 7
Water Borne Hazards.............................................................................................. 7
The COSHH Regulations ........................................................................................ 8
Description................................................................................................................ 10
Overview................................................................................................................ 10
Frame.................................................................................................................... 10
Water Feeds.......................................................................................................... 10
Sand Tank............................................................................................................. 11
Outlet Collecting Tank........................................................................................... 12
S12-MKII-50 (S12-MKII Including Data Logging and Educational Software)........ 12
Overhead Spray Nozzles....................................................................................... 13
River Inlet Tank ..................................................................................................... 13
Choice of Granular Material for the Sand Tank..................................................... 14
Accessories........................................................................................................... 14
Installation................................................................................................................. 16
Advisory................................................................................................................. 16
Electrical Supply.................................................................................................... 16
Cold Water Supply................................................................................................. 17
Laboratory Drain.................................................................................................... 17
Installing the PC Software (Version S12-MKII-50 only)......................................... 17
Installing the Equipment........................................................................................ 18
Commissioning...................................................................................................... 19
Electrical Wiring Diagram...................................................................................... 21
Table of Contents
iii
Operation .................................................................................................................. 22
Operating the PC Software.................................................................................... 22
Operating the Equipment....................................................................................... 24
Equipment Specifications.......................................................................................... 25
Equipment Location............................................................................................... 25
Electromagnetic Compatibility............................................................................... 25
Environmental Conditions...................................................................................... 25
Routine Maintenance................................................................................................ 26
Responsibility ........................................................................................................ 26
General.................................................................................................................. 26
Load Sensor.......................................................................................................... 28
Laboratory Teaching Exercises................................................................................. 29
Index to Exercises................................................................................................. 29
General Equations and Constants......................................................................... 29
Exercise A - Rainfall-runoff relationships (storm hydrographs)................................. 32
Exercise B - Generation of overland flow.................................................................. 37
Exercise C - Initiation and characteristics of bedload motion.................................... 39
Exercise D - Effect of changing stream power on channel morphology.................... 42
Exercise E - Effect of base level change................................................................... 45
Exercise F - Scour in open channel flow................................................................... 47
Exercise G - Water abstraction from a well in a confined aquifer ............................. 49
Exercise H - Water abstraction from a well in an unconfined aquifer........................ 53
Exercise I - Water abstraction from a number of neighbouring wells........................ 56
Exercise J - Rainfall on a circular island with a central well...................................... 59
Exercise K - Ground water flow between two canals with and without rainfall.......... 61
Contact Details for Further Information..................................................................... 63
1
Disclaimer
This document and all the information contained within it is proprietary to Armfield
Limited. This document must not be used for any purpose other than that for which it
is supplied and its contents must not be reproduced, modified, adapted, published,
translated or disclosed to any third party, in whole or in part, without the prior written
permission of Armfield Limited.
Should you have any queries or comments, please contact the Armfield Customer
Support helpdesk (Monday to Thursday: 0830 - 1730 and Friday: 0830 - 1300 UK
time). Contact details are as follows:
United Kingdom International
(0) 1425 478781
(calls charged at local rate) +44 (0) 1425 478781
(international rates apply)
Fax: +44 (0) 1425 470916
Copyright and Trademarks
Copyright © 2014 Armfield Limited. All rights reserved.
Any technical documentation made available by Armfield Limited is the copyright
work of Armfield Limited and wholly owned by Armfield Limited.
Brands and product names mentioned in this manual may be trademarks or
registered trademarks of their respective companies and are hereby acknowledged.
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