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Documents
Below are the RECOFF documents
listed and organised by subject. The number in the second column refers to
the original working numbering applied in the project. The numbering may be
useful when contacting project partners, and because some references are
made by number. Immediately below follow links to each subject. After that
come links for each original RECOFF document number.
Subject:
1 Existing
Standards
2 External Conditions
3 Analysis
Methods and Design Load Cases
4 Structural
Reliability Methods and Safety Factor Calibration
5 Structural
integrity
6 Operation
and maintenance
7
Presentations and Miscellaneous
8 Documents
not funded by the RECOFF project but presented at meetings
RECOFF doc. no.: 2,
4, 5, 6,
9, 11, 11a,
12, 13, 14,
15, 15a, 16,
16a, 17, 19,
23, 24, 25,
26, 27, 28,
29, 30, 31,
32, 33, 34,
35, 37, 38,
40, 41, 42,
43, 44, 45,
46, 47, 48,
49, 50, 51,
52, 53, 54,
55, 56, 57,
58, 59, 60,
61, 62, 63,
64, 65, 66,
67, 68, 69,
70, 71, 72,
73, 74, 75,
76, 77, 80,
81, 82, 83,
84, 85, 86,
87, 88, 89,
90
1 Existing Standards
2 External Conditions
3 Analysis Methods and Design Load Cases
| Title |
No. |
|
3.1
Wind and wave
misalignment effect on fatigue loading |
11 |
|
3.2
Wind and wave
misalignment effect on fatigue loading (in continuation of document 11) |
11a |
|
3.3
Tidal level effects on
support structure loading |
12 |
|
3.4
Mean Water Depth and
Support Structure Stiffness Effects on Support Structure Loading |
13 |
|
3.5
Tidal current effects on
support structure loading |
14 |
|
3.6
Fatigue Load Parametric
Studies; Wave Effects and Simulation Length requirements |
15 |
|
3.7
Simulation Length
Requirements for Offshore Fatigue Load Calculations (in continuation of
document 15) |
15a |
|
3.8
'Lumping' of Fatigue Load
Cases |
16 |
|
3.9
'Lumping' of Fatigue Load
Cases (in continuation of document 16) |
16a |
|
3.10 Deliverable
D3, Collated sensitivity studies |
27 |
|
3.11
Extrapolation Including Wave Loads;
Replacing the Distribution of HS by a Suitable
Percentile |
19 |
|
3.12
The Influence of the
Dependency of Mean Wind Speeds on the Extreme Response of Wind Turbines
in the Operational Range |
40 |
|
3.13
Extreme Response During Operation; Comparing the use of an extreme
turbulence model and proper extrapolation |
85 |
|
3.14 Investigation into IEC Offshore draft standard Design
Load Case (DLC) 1.1 |
59 |
|
3.15 Deliverables
D4 & D5:Collated Sensitivity Studies II: focus on draft load
cases. |
70 |
|
3.16 Draft IEC 61400-3, Annex C, (informative), Shallow
water hydrodynamics and breaking waves |
35 |
|
3.17 Draft Annex C for draft standard prepared by
IEC-TC88-WG03. Based on IEC-TC88-WG03 document 10160 |
64 |
|
3.18 Draft Annex D for draft standard prepared by
IEC-TC88-WG03 |
63 |
|
3.19 Additional loads, boat impact; Other maintenance
loads |
69 |
|
3.20 Spatially average of turbulence intensity inside
large wind turbine arrays, presented at 2003 OWEMES |
68 |
|
3.21 Presentation of
the DLC table proposed for
the IEC 61400-3 standard |
72 |
|
3.22 Effect of Waves On Ultimate Loads Produced by IEC
load cases DLC 1.4 & 1.5 |
60 |
|
3.23 Study of DLC 1.4 and DLC 1.5, background document for
document no. 60 |
62 |
|
3.24
Approximate Maximum Value Distribution for Narrow Banded Gaussian
Processes with Linearly Varying Mean Value |
84 |
|
3.25 Peak Factors for the Sum Process of two Independent
Stationary Gaussian Processes, Some Analytical Results |
58 |
|
3.26 Derivation of tower top acceleration due to
hydrodynamic loading |
61 |
|
3.27
Approximate tower top
acceleration |
42 |
|
3.28 Frequency Domain Analysis of Offshore Wind Turbines |
81 |
|
3.29 Deliverables
D4 & D5:Verification Simulations of DLC 1.2 and 6.1 a,b,c |
90 |
|
3.30
HAWC Load Simulation of Generic 5MW Offshore Wind Turbine Model |
87 |
|
3.31 Final report from CRESS on test calculations |
88 |
4 Structural Reliability Methods and Safety Factor Calibration
5 Structural integrity
6 Operation and maintenance
7 Presentations and Miscellaneous
| Title |
No. |
|
7.1
Offshore certification
(2001) |
5 |
|
7.2 “Load Analysis and Certification of Offshore Wind
Turbines” K. Argyriadis, S. Schwartz, EWEC 2003. |
31 |
|
7.3
An offshore wind turbine
model, Proc. of EWEC 2001, Copenhagen, Denmark July 2001 |
2 |
|
7.4 Wind conditions for offshore wind turbine design,
RECOFF, comparison of Standards and Regulations, 3rd IEA experts meeting
on wind conditions for turbine design |
32 |
|
7.5
Response Extrapolation
for Offshore Wind Turbines, Poster at EWEC 2003 |
43 |
|
7.6 Response Extrapolation for Offshore Wind Turbines,
The poster corresponding to document no. 43 |
66 |
|
7.7
Safety Factors and Model
Uncertainty, IEA Annex 11, 2002 |
44 |
|
7.8
Calibration of Partial
Safety Factors for Extreme Loads on Wind Turbines, Oral Presentation at
EWEC 2003 |
41 |
| 7.9 Udvikling indenfor offshore standardisering
og relateret udviklingsarbejde , PowerPoint presentation at Dansk
Vindenergi's konference, 2003, in Danish |
45 |
|
7.10
Fatigue and extreme loads in wind farm clusters - and need for
measurements, PowerPoint presentation at ENDOW workshop, Risø March 7-8
2002 |
46 |
|
7.11
Background for ”effective” turbulence model |
47 |
|
7.12
Extrapolation of extreme
wind loads during normal operation, poster at EWEC 2003 |
48 |
|
7.13
Vindlaster på offshorevindmøller, presented at Dansk Vandteknisk
Selskabs Møde i Nysted,
2003, in Danish |
49 |
|
7.14
Wave Spectrums and Forces For the Design Load Cases 1.2 & 6.1a,b,c of
the 61400-3 IEC Standard |
51 |
|
7.15 Partial Safety Factors and Characteristic Values for
Combined Extreme Wind and Wave Load Effects, Special Topic Conference,
TU Delft 2004 |
37 |
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7.16 Partial Safety Factors and Characteristic Values for
Combined Extreme Wind and Wave Load Effects, power point presentation at
EAWE Special Topic Conference, TU Delft, 19-21 April. 2004 |
52 |
|
7.17 Partial Safety Factors and Characteristic Values for
Combined Extreme Wind and Wave Load Effects, an extention of document
no. 52 |
53 |
|
7.18 Extreme structural loads at non-extreme mean wind
speeds |
80 |
|
7.19 Extreme structural loads at non-extreme mean wind
speeds, Poster |
83 |
8 Documents not funded by the RECOFF project but presented at meetings
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