JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 22

BUSINESS Niche markets Vertical axis wind turbines : a relevant solution for urban areas The windmill market is growing at about 25% a year in power capacity. This trend will not stop soon, as many windy areas are not yet equipped with wind turbines. Urban areas and private needs are often neglected due to technical reasons such as blade size or obstacles in the prevailing wind direction, or to objections to the turbines’ noise and visual impact. A British company, Quiet Revolution, has solutions to overcome these problems. ustainable development involves the use of renewable energies. Wind is one of them. Solutions have been found for rural areas, and now others are appearing for urban environments. In 2000, Robert Webb and Richard Cochrane founded XCO2, an engineering and design studio providing low-carbon solutions for the urban environment, and in 2005, they created Quiet Revolution (QR) in London to provide sustainable energy solutions. Dr. Tamás Bertényi, with a PhD in the aerodynamics of vertical axis wind turbines (VAWT), joined them to develop new models. Many studies were carried out at the University of Cambridge. S Construction The “QR” wind turbine was designed in response to increasing demand for urban turbines, where wind speeds are lower and wind directions change frequently. Vertical axis and helical design were chosen to ensure low noise and vibration, satisfactory visual impact, and robust performance even in turbulent winds. While traditional horizontal axis wind turbines that are windmill-shaped have to rotate to track wind, VAWTs collect wind from all directions without tracking. According to QR modelling, the invention produces 20-40% more energy than a traditional turbine of similar size. Moreover, vertical axis design has much lighter loads than its horizontal counterpart. This new wind turbine consists of a mast and a rotor. The blades and connection arms are made of carbon fibre and epoxy resin, optimised for strength and weight. Like helicopter blades, they are fail-safe. The rotor is designed with a high-tensile wire running through all its component parts, to minimise the risk of broken parts being flung from the structure. The turbine also has integrated electronic control mechanisms that constantly monitor the speed and can stop it or switch it off in case of high-wind events or accidental damage. Main characteristics Model: QR5 Dimensions: 5m high x Ø3.1m + mast Operation: wind of 4 to 16 m/s Cost with installation: USD65,000 Design life: 25 years Payback period: 18 years Annual energy: 10,000 kWh Assumption: average wind of 5.9 m/s generate around 10,000 kWh. This is equivalent to the electricity demand from 5 low-energy houses, or to the needs of a twenty-man office (lights, computers, etc.). Market Renewable energy is growing because of diminishing petroleum resources and the need to reduce CO2 emissions. New buildings will have to be environmentally friendly, with a growing share of energy coming from renewable sources. This new kind of wind turbine is easier to implement in an urban landscape, on the ground or on building roofs, offering new development opportunities for the whole wind-energy sector. Other models for domestic installations and buildings are under development. More information: www.quietrevolution.co.uk The QR 5 prototype. The first model, named QR5, will JEC Composites Magazine / No34 July-August 2007
http://www.quietrevolution.co.uk

JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007

Table of Contents for the Digital Edition of JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007

Editorial
Market Place
Advertisers & Index
Contents
NEWS WORLDWIDE
- Companies
- Agenda of events
- Innovations
BUSINESS
- Market survey
- Trends
- Niche markets
FEATURE - AUTOMOTIVE
- Trend
- Process
- Raw material
USERS’ PLATFORM
- Composites in the world
- Successful Partners
- Applications
KNOW-HOW
- Ecodesign
- Bonding
- Software
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 1
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 2
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - Editorial
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - Market Place
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - Advertisers & Index
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - Contents
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 7
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - - Companies
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 9
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - - Agenda of events
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 11
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - - Innovations
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 13
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 14
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - BUSINESS
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 16
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - - Market survey
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 18
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 19
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - - Trends
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 21
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - - Niche markets
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - FEATURE - AUTOMOTIVE
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - - Trend
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 25
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 26
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 27
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 28
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 29
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 30
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 31
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - - Process
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 33
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 34
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 35
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - - Raw material
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 37
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 38
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 39
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 40
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 41
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 42
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 43
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 44
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 45
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 46
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - USERS’ PLATFORM
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - - Composites in the world
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 49
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - - Successful Partners
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 51
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 52
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 53
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - - Applications
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 55
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 56
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - KNOW-HOW
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - - Ecodesign
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 59
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 60
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 61
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - - Bonding
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 63
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - - Software
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 65
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 66
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 67
JEC COMPOSITES MAGAZINE - Issue #34 - July/August 2007 - 68
https://www.nxtbook.fr/newpress/jeccomposites/jcm2211_148
https://www.nxtbook.fr/newpress/jeccomposites/jcm2209_147
https://www.nxtbook.fr/newpress/jeccomposites/jcm2206_146
https://www.nxtbook.fr/newpress/jeccomposites/jcm2204_145
https://www.nxtbook.fr/newpress/jeccomposites/jcm2201_144
https://www.nxtbook.fr/newpress/jeccomposites/jcm211_143
https://www.nxtbook.fr/newpress/jeccomposites/jcm2109_142
https://www.nxtbook.fr/newpress/jeccomposites/jcm2107_141
https://www.nxtbook.fr/newpress/jeccomposites/jcm2105_140
https://www.nxtbook.fr/newpress/jeccomposites/jcm2103_139
https://www.nxtbook.fr/newpress/jeccomposites/jcm-experts-digest-additive-manufacturing-2020
https://www.nxtbook.fr/newpress/jeccomposites/jcm2101_138
https://www.nxtbook.fr/newpress/jeccomposites/jcm2011_Special_Issue4
https://www.nxtbook.fr/newpress/jeccomposites/jcm2011_137
https://www.nxtbook.fr/newpress/jeccomposites/jcm2009_136
https://www.nxtbook.fr/newpress/jeccomposites/jcm2007_135
https://www.nxtbook.fr/newpress/jeccomposites/jcm_2020_Q1_Innovation_Report
https://www.nxtbook.fr/newpress/jeccomposites/jcm2005_Special_Issue3
https://www.nxtbook.fr/newpress/jeccomposites/jcm2005_134
https://www.nxtbook.fr/newpress/jeccomposites/jcm2003_133
https://www.nxtbook.fr/newpress/jeccomposites/jcm2001_132
https://www.nxtbook.fr/newpress/jeccomposites/jcm1911_Special_Issue2
https://www.nxtbook.fr/newpress/jeccomposites/jcm1911_131
https://www.nxtbook.fr/newpress/jeccomposites/jcm1909_130
https://www.nxtbook.fr/newpress/jeccomposites/jcm1907_129
https://www.nxtbook.fr/newpress/jeccomposites/jcm1905_128
https://www.nxtbook.fr/newpress/jeccomposites/jcm1903_Special_Issue1
https://www.nxtbook.fr/newpress/jeccomposites/jcm1903_127
https://www.nxtbook.fr/newpress/jeccomposites/jcm1901_126
https://www.nxtbook.fr/newpress/jeccomposites/jcm1811_125
https://www.nxtbook.fr/newpress/jeccomposites/jcm1810_124
https://www.nxtbook.fr/newpress/jeccomposites/jcm1808_123
https://www.nxtbook.fr/newpress/jeccomposites/jcm1807_122
https://www.nxtbook.fr/newpress/jeccomposites/jcm1805_121
https://www.nxtbook.fr/newpress/jeccomposites/jcm1804_120
https://www.nxtbook.fr/newpress/jeccomposites/jcm1803_119
https://www.nxtbook.fr/newpress/jeccomposites/jcm1802_119-Supplement_Innovation_Report
https://www.nxtbook.fr/newpress/jeccomposites/jcm1801_118
https://www.nxtbook.fr/newpress/jeccomposites/jcm1711_117
https://www.nxtbook.fr/newpress/jeccomposites/jcm1710_116
https://www.nxtbook.fr/newpress/jeccomposites/jcm1708_115
https://www.nxtbook.fr/newpress/jeccomposites/jcm1707_114
https://www.nxtbook.fr/newpress/jeccomposites/jcm1706_113
https://www.nxtbook.fr/newpress/jeccomposites/jcm1704_112
https://www.nxtbook.fr/newpress/jeccomposites/jcm1703_111
https://www.nxtbook.fr/newpress/jeccomposites/jcm1701_110
https://www.nxtbook.fr/newpress/jeccomposites/jcm1611_109
https://www.nxtbook.fr/newpress/jeccomposites/jcm1610_108
https://www.nxtbook.fr/newpress/jeccomposites/jcm1608_107
https://www.nxtbook.fr/newpress/jeccomposites/jcm1607_106
https://www.nxtbook.fr/newpress/jeccomposites/jcm1605_105
https://www.nxtbook.fr/newpress/jeccomposites/jcm1604_104
https://www.nxtbook.fr/newpress/jeccomposites/jcm1603_103
https://www.nxtbook.fr/newpress/jeccomposites/jcm1601_102
https://www.nxtbook.fr/newpress/jeccomposites/jcm1511_101
https://www.nxtbook.fr/newpress/jeccomposites/jcm1510_100
https://www.nxtbook.fr/newpress/jeccomposites/jcm1509_99
https://www.nxtbook.fr/newpress/jeccomposites/jcm1507_98
https://www.nxtbook.fr/newpress/jeccomposites/jcm1505_97
https://www.nxtbook.fr/newpress/jeccomposites/jcm1504_96
https://www.nxtbook.com/newpress/jeccomposites/jcm1503_95
https://www.nxtbook.com/newpress/jeccomposites/jcm1501_94
https://www.nxtbook.com/newpress/jeccomposites/jcm1412_93
https://www.nxtbook.com/newpress/jeccomposites/jcm1410_92
https://www.nxtbook.com/newpress/jeccomposites/jcm1409_91
https://www.nxtbook.com/newpress/jeccomposites/jcm1406_90
https://www.nxtbook.com/newpress/jeccomposites/jcm1405_89
https://www.nxtbook.com/newpress/jeccomposites/jcm1404_88
https://www.nxtbook.com/newpress/jeccomposites/jcm1403_87
https://www.nxtbook.com/newpress/jeccomposites/jcm1401_86
https://www.nxtbook.com/newpress/jeccomposites/jcm1311_85
https://www.nxtbook.com/newpress/jeccomposites/jcm1310_84
https://www.nxtbook.com/newpress/jeccomposites/jcm1308_83
https://www.nxtbook.com/newpress/jeccomposites/jcm1307_82
https://www.nxtbook.com/newpress/jeccomposites/jcm1305_81
https://www.nxtbook.com/newpress/jeccomposites/jcm1304_80
https://www.nxtbook.com/newpress/jeccomposites/jcm1303_79
https://www.nxtbook.com/newpress/jeccomposites/jcm1301_78
https://www.nxtbook.com/newpress/jeccomposites/jcm1212_77
https://www.nxtbook.com/newpress/jeccomposites/jcm1210_76
https://www.nxtbook.com/newpress/jeccomposites/jcm1208_75
https://www.nxtbook.com/newpress/jeccomposites/jcm1207_74
https://www.nxtbook.com/newpress/jeccomposites/jcm1206_73
https://www.nxtbook.com/newpress/jeccomposites/jcm1204_72
https://www.nxtbook.com/newpress/jeccomposites/jcm1203_71
https://www.nxtbook.com/newpress/jeccomposites/jcm1201_70
https://www.nxtbook.com/newpress/jeccomposites/jcm1111_69
https://www.nxtbook.com/newpress/jeccomposites/jcm1110_68
https://www.nxtbook.com/newpress/jeccomposites/jcm1108_67
https://www.nxtbook.com/newpress/jeccomposites/jcm1107_66
https://www.nxtbook.com/newpress/jeccomposites/jcm1105_65
https://www.nxtbook.com/newpress/jeccomposites/jcm1104_64
https://www.nxtbook.com/newpress/jeccomposites/jcm1103_63
https://www.nxtbook.com/newpress/jeccomposites/jcm1101_62
https://www.nxtbook.com/newpress/jeccomposites/jcm1011_61
https://www.nxtbook.com/newpress/jeccomposites/jcm1010_60
https://www.nxtbook.com/newpress/jeccomposites/jcm1009_59
https://www.nxtbook.com/newpress/jeccomposites/jcm1006_58
https://www.nxtbook.com/newpress/jeccomposites/jcm1005_57
https://www.nxtbook.com/newpress/jeccomposites/jcm1004_56
https://www.nxtbook.com/newpress/jeccomposites/jcm1003_55
https://www.nxtbook.com/newpress/jeccomposites/jcm1001_54
https://www.nxtbook.com/newpress/jeccomposites/jcm0911_53
https://www.nxtbook.com/newpress/jeccomposites/jcm0910_52
https://www.nxtbook.com/newpress/jeccomposites/jcm0909_51
https://www.nxtbook.com/newpress/jeccomposites/jcm0907-08_50
https://www.nxtbook.com/newpress/jeccomposites/jcm0906_49
https://www.nxtbook.com/newpress/jeccomposites/jcm0904_48
https://www.nxtbook.com/newpress/jeccomposites/jcm0903_47
https://www.nxtbook.com/newpress/jeccomposites/jcm0901_46
https://www.nxtbook.com/newpress/jeccomposites/jcm0811_45
https://www.nxtbook.com/newpress/jeccomposites/jcm0810_44
https://www.nxtbook.com/newpress/jeccomposites/jcm0809_43
https://www.nxtbook.com/newpress/jeccomposites/jcm0807_42
https://www.nxtbook.com/newpress/jeccomposites/jcm0806_41
https://www.nxtbook.com/newpress/jeccomposites/jcm0805_40
https://www.nxtbook.com/newpress/jeccomposites/jcm0803_39
https://www.nxtbook.com/newpress/jeccomposites/jcm0801_38
https://www.nxtbook.com/newpress/jeccomposites/jcm0712_37
https://www.nxtbook.com/newpress/jeccomposites/jcm0710_36
https://www.nxtbook.com/newpress/jeccomposites/jcm0709_35
https://www.nxtbook.com/newpress/jeccomposites/jcm0707_34
https://www.nxtbook.com/newpress/jeccomposites/jcm0706_33
https://www.nxtbookmedia.com