Shopping Cart

No products in the cart.

BSI PD IEC TS 62600-202:2022

$198.66

Marine energy. Wave, tidal and other water current converters – Early stage development of tidal energy converters. Best practices and recommended procedures for the testing of pre-prototype scale devices

Published By Publication Date Number of Pages
BSI 2022 66
Guaranteed Safe Checkout
Category:

If you have any questions, feel free to reach out to our online customer service team by clicking on the bottom right corner. We’re here to assist you 24/7.
Email:[email protected]

PDF Catalog

PDF Pages PDF Title
2 undefined
4 CONTENTS
8 FOREWORD
10 INTRODUCTION
11 1 Scope
2 Normative references
12 3 Terms and definitions
13 4 Symbols and abbreviated terms
5 Staged development approach
5.1 General
15 Tables
Table 1 – Staged development approach
16 5.2 Stage 1
5.2.1 Scope
5.2.2 Stage gate
17 5.3 Stage 2
5.3.1 Scope
5.3.2 Stage gate
18 5.4 Stage 3
5.4.1 Scope
5.4.2 Stage gate
19 6 Test planning
6.1 TEC similitudes
6.1.1 General
20 6.1.2 Reynolds scaling
Table 2 – Scaling considerations
22 Figures
Figure 1 – Power and drag (thrust) coefficients for the US Department of Energy’s Reference Model vertical-axis cross-flow turbine (RM2) tested in a towing tank (Bachant et al. 2016)
Figure 2 – Effect of Reynolds number on performance – Power (left) and thrust (right) coefficient for reference model RM2 at λ = 3,1 plotted versus turbine diameter and approximate average turbine blade root chord Reynolds number (Bachant et al. 2016)
Figure 3 – Effect of Reynolds number on performance – Power coefficient versus tip speed ratio (left) and power coefficient at λ = 1,9 plotted versus turbine diameter and approximate average turbine blade root chord Reynolds number (right), both for UNH-RVAT turbine (Bachant and Wosnik 2016)
23 6.1.3 Temperature and salinity effects on Reynolds number
6.2 Power take off (PTO) similitude
6.3 Design statement
25 6.4 Facility selection and outline plan
6.4.1 General
6.4.2 Stage 1 and Stage 2
27 6.4.3 Stage 3
28 6.5 Physical model considerations
6.5.1 General
6.5.2 Stage 1
29 6.5.3 Stage 2
6.5.4 Stage 3
6.5.5 Methods for applying torque
30 6.5.6 Methods for controlling angular velocity
6.6 Additional test procedures
6.6.1 Dry run
6.6.2 Natural frequency
6.7 Uncertainties and repeat tests
31 7 Reporting requirements
7.1 Overview
7.2 General
7.3 Test conditions and goals
7.3.1 General
7.3.2 Facility selection report
32 7.3.3 Physical model report
7.3.4 Measurement procedure report
7.4 Presentation of results
33 8 Data acquisition
8.1 Signal conditioning
Table 3 – Presentation of continuously measured indicators
Table 4 – Presentation of discrete measured indicators
34 8.2 Sample rate
8.3 Analogue to digital conversion and DAQ system
8.4 Frequency response
8.5 Data synchronization
35 8.6 Data recording
8.7 Recording of supplementary test data
8.8 Calibration factors/Physical units
8.9 Instrument response functions
8.10 Health monitoring and verification of signals
36 8.11 Special data acquisition requirements for Stage 3 open ocean trials
9 Testing environment characterization
9.1 General
9.2 Environmental measurements
37 9.3 Inflow/ Onset velocity
9.3.1 General
Table 5 – Environmental measurements
38 9.3.2 Inferred inflow velocity
9.3.3 Point measurement
9.4 Velocity shear profile
9.4.1 General
9.4.2 Measuring a velocity shear profile
39 9.4.3 Presenting velocity shear profile
9.5 Wave climate
9.5.1 General
Table 6 – Instruments suitability for velocity profiling
40 9.5.2 Measuring waves
9.6 Turbulence
9.6.1 General
9.6.2 Turbulence intensity
Table 7 – Environmental performance indicators
41 9.6.3 Integral length and time scales
9.6.4 Other considerations
9.7 Temperature, salinity, density and viscosity
10 Turbine rotor performance characterization
10.1 Testing goals
42 10.2 Performance indicators
10.2.1 General
10.2.2 Power, torque and angular velocity
10.2.3 Turbine rotor drag (thrust)
10.3 Non-dimensional performance indicators
10.3.1 General
10.3.2 Torque performance characterization
10.3.3 Power performance characterization
43 10.3.4 Thrust performance characterization
10.3.5 Presentation of non-dimensional results
11 Motions and loads under operational conditions
11.1 Testing goals
11.2 Testing similitude
44 11.3 Platform motions
Table 8 – Geometric similitude requirements (operational environments)
Table 9 – Structural similitude requirements (operational environments)
45 11.4 Local loads, cross-sectional loads and mooring or global loads
Table 10 – Kinematic signal measurements (operational environments)
46 11.5 Test conditions
11.5.1 Stage 1 and 2
Table 11 – Dynamic signal measurements (operational environments)
47 11.5.2 Stage 3
11.5.3 Fatigue measures
12 Motions and loads under survival conditions
12.1 Testing goals
Table 12 – Current parameters for kinematics and dynamics testing (operational conditions)
48 12.2 Testing similitude
Table 13 – Geometric similitude requirements (survival environments)
49 12.3 Signal measurements
12.4 Environmental Input parameters
12.4.1 General
12.4.2 Stage 1 and 2
Table 14 – Structural similitude requirements (survival environments)
50 12.4.3 Stage 3
12.5 Performance indicators
13 Testing of arrays
51 Annex A (informative)Stage gates
A.1 General
A.2 Design statements
A.3 Stage gate criteria
52 A.4 Uncertainty factors
A.5 Third party review
53 Annex B (informative)Device type
B.1 General
B.2 Axial flow turbines
B.3 Cross-flow turbines
54 B.4 Hydrofoil devices
B.5 Other
B.5.1 Ducted devices
B.5.2 Oscillating devices
B.5.3 Underwater kites
55 Annex C (informative)Facilities selection
C.1 General
C.2 Towing tank
C.3 Re-circulating water channel/flume
Table C.1 – Pros and cons of testing in towing tanks
56 C.4 Open water push test
C.5 Tidal test site
Table C.2 – Pros and cons of testing in recirculating water channels/flumes
Table C.3 – Pros and cons of open water push tests
57 C.6 Cavitation tunnel
C.7 Other facilities
C.7.1 General
C.7.2 Other specialized basins and tanks
C.7.3 Wind tunnel
C.7.4 Rotating arm facility
C.8 Facilities comparison
Table C.4 – Pros and cons of testing at tidal test sites
58 Table C.5 – Comparison of facilities
59 Annex D (informative)Instruments
D.1 General
D.2 Flow characteristics
D.2.1 General
D.2.2 Acoustic techniques
D.2.3 Optical techniques
60 D.2.4 Other techniques
D.3 Wave measurement
D.4 Structural characteristics
D.5 Measurement and control of turbine shaft angular velocity
61 D.6 Measuring torque
D.7 Measuring thrust
D.8 Mooring force measurement
D.9 Model motion
D.9.1 Optical multi camera six degree of freedom measurement system
62 D.9.2 Gyroscope, accelerometer, compass, GPS
63 Bibliography
BSI PD IEC TS 62600-202:2022
$198.66