Wind Energy
Wind power is another plentiful source of clean energy, with wind farms providing a good contribution to power globally. As of yet, while domestic ‘off grid’ wind energy is available, not every property is suitable for a wind turbine.
Bhupex Engineering Corporation expertise in materials joining, fabrication, structural integrity, non-destructive testing and asset management is available to help the wind industry ensure safe, cost effective and efficient operations.
Owners, operators, original equipment manufacturers (OEMs) and contractors involved in operating wind farms, whether located onshore or offshore, can benefit from TWI’s expertise. TWI has worked to solve industry’s problems for the last 75 years. Our deep understanding of welding and joining processes can help the rapidly developing wind industry ensure safe operations and avoid catastrophic failures. If a failure does occur, we can carry out a failure investigation, and our understanding of materials performance can help to determine what went wrong.
Consultancy on design of new structures and qualification testing at Bhupex Engineering Corporation can provide confidence that new structures have the required static or fatigue strength. Additional insights are gained when numerical modelling is coupled with full scale or small scale testing to understand the performance of structures, components and equipment, ranging from welded nodal joints to high voltage cables.
Our multidisciplinary teams help Members to overcome current and future challenges, with services that address all parts of a wind turbine’s structure. Some examples of the types of projects we carry out include:
- Fatigue testing of small-scale or full-scale components (welds, bolted joints, mooring chains, armor wires, composite fixtures, etc)
- Risk-based optimization of inspections to enable preventative maintenance
- Failure investigations
- Development of inspection procedures
- Performing inspections of wind turbine hubs, blades and welds in structures
- Consultancy for optimizing welding procedures and processes for tower and foundations
- Electron beam welding to speed up fabrication on thick sections
- Novel joining techniques, such as friction welding, for high voltage cables
- Structural integrity assessments to determine whether welds containing fabrication flaws or cracks found in service are fit for purpose or if repair is required
- Advice on ageing and life extension of structures approaching or past their design life
- Expertise in corrosion performance and application of corrosion resistant coatings
- Condition monitoring of structures such as gearboxes
- Adhesive bonding of composites used in turbine blades
GeoThermal Energy
Traditional geothermal energy exploits naturally occurring high temperatures, located relatively close to the Earth’s surface in some areas, to generate electric power and for direct uses such as heating and cooking. Geothermal areas are generally located near tectonic plate boundaries, where there are earthquakes and volcanoes. In some places, hot springs and geysers have been used for bathing, cooking and heating for centuries
Generating geothermal electric power typically involves drilling a well, perhaps a mile or two in depth, in search of rock temperatures in the range of 300 to 700°F. Water is pumped down this well, where it is reheated by hot rocks. It travels through natural fissures and rises up a second well as steam, which can be used to spin a turbine and generate electricity or be used for heating or other purposes. Several wells may have to be drilled before a suitable one is in place and the size of the resource cannot be confirmed until after drilling. Additionally, some water is lost to evaporation in this process, so new water is added to maintain the continuous flow of steam. Like biopower and unlike intermittent wind and solar power, geothermal electricity can be used continuously. Very small quantities of carbon dioxide trapped below the Earth’s surface are released during this process.
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