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IBM eServer BladeCenter (2 results)
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- Ultracapacitors Improve Reliability for Wind Turbine Pitch Systems
- Today's advanced wind turbines are three-bladed, variable speed turbines. The rotor blades are adjusted and controlled via three independent electro-mechanical propulsion units for the pitch systems. On a pitch controlled wind turbine the turbine's electronic controller checks the power output of the turbine several times per second. When the power...
- White papers
- Stadco Develops Aerospace Tools in Three Dimensions
- Stadco provides design and manufacturing services for defense, aerospace, and high-tech. With a design solution from IBM, Stadco successfully designed molds for large fuselage and weapons bay doors, helicopter rotor blades, and launch vehicle parts. From large aircraft composite tooling to helicopter rotor blade molds, computer-generated three-dimensional images are replacing...
- Case studies
- Hardness Testing of Blade and Knife Material
- This leading manufacturer of cutting blades and knives for industrial and surgical applications needed a hardness testing capability with maximum flexibility. The problem was that some customers specified Rockwell C hardness measures while other customers specified 30N or other different scales. Specialty Blades uses to assure accurate levels of hardness...
- Case studies
- Duncan Regional Hospital: Control Over Mission-Critical Computing
- Duncan Regional Hospital is a 142-bed hospital that serves the Southwest Oklahoma area. Looking for a better way, Duncan Regional Hospital turned to ClearCube PC Blade systems. ClearCube took the computer off the user's desk, shrinking it into a PC Blade form factor, centralized it in a secure location, and...
- Case studies
- Intec Telecom Systems
- Intec Telecom's Dallas service bureau faced growing pains in its PC environment. Reliability, a critical factor in Intec's business, is also a huge benefit of the ClearCube solution. By locating the blades in its server room, all of Intec's workstations are now backed up by UPS, which are backed up...
- Case studies
- IT Consolidation Initiative Streamlines Government in Pittsburgh, PA
- The Chief Information Officer of Pittsburgh, Pennsylvania strongly believes that with strategic planning and innovative technology solutions, any IT organization can dramatically boost its service levels and quality. He has implemented this idea by introducing new HP blade servers to replace legacy ones, a project that has enabled the...
- Case studies 2005-08-01
- 2004 Merchant Computer Boards for Embedded/Real Time Applications Intelligence Program: Slot Single Board Computers and Embedded CPU Blades
- This white paper provides a summary of findings on Slot Single Board Computers and Embedded CPU Blades. Fabric-enabled SBCs, including Blades, are expected to comprise an increasingly large portion of shipment shares over the study period. Although the increased use of Blades will initiate an inevitable paradigm shift, the use...
- White papers 2004-11-01
- Frequency Evaluation of Steam Turbine Bladed Risks
- In this paper, Dresser-Rand has initiated the use of the SAFE (Singh's Advanced Frequency Evaluation) diagram to help bladed disk designer. Identification of when the frequency of variable force match component's natural frequencies is the traditional method to design around potential blade failures. The identification of matching frequencies-the force with...
- White papers 2004-09-15
- Multi-Megawatt Blade Development Project
- An emerging market was evident at the start of the project for large wind turbines, based on and offshore. With larger blades, self-weight becomes a major driver in the wind turbine design. The weight of large blades is also a problem for handling on site particularly in an offshore installation....
- White papers 2003-09-11
- Resin Infusion Project
- Wood composite turbine blades have been developed over the last 20 years into a reliable technology suitable for modern advanced wind turbines. This technology is now the only realistic competitor to the more commonly used glass polyester construction but has a number of issues that an alternative or improved manufacturing...
- White papers 2003-09-11
- Test and Demonstration of a New Technology 50kW Wind Turbine Blade on a High-Wind Site
- This paper summarizes about the principal objective of the project which was to carry out field tests on a 7.2m wind turbine blade incorporating innovative design features, which are intended to facilitate manufacture of this and future blade types by speeding the moulding and finishing cycles, while simultaneously improving the...
- White papers 2003-08-06
- Programs for Buckling Strength Prediction of Rotor Blades
- This paper discusses the programs for buckling strength prediction of rotor blades. The dimensions of large wind turbines under development still increase, which is partly driven by the offshore-requirements of a 'high energy capture per turbine unit'. The relatively large amount of structural mass, and the dominating weight loads associated...
- White papers 2003-08-01
- Aero-Elastic Stability Analysis Tools for Large Wind Turbine Rotor Blades
- ECN has been involved in several joint research projects on the aero-elastic stability of rotor blade vibrations, in which different analysis tools have been investigated. Taking the difference between these tools into account the predictions show the same trend for different blade pitch (Ędrag stallĘ) or for Structural Pitch modifications....
- White papers 2003-08-01
- Simulation Testing of Alloys and Coatings for Gas Expander Applications
- This paper focuses on simulation corrosion testing of unstressed Waspaloy and IN -738 Expander blade materials, and two of the coating evaluated to increase sulfidation resistance. Comparative fretting wear tests data, and rotating beam high-cycle fatigue data is also presented. The goal of this work is to decrease the potential...
- White papers 2003-02-19
- The Merchant Computer Boards for Embedded/Real Time Applications Market Intelligence Program 2002/2003: Volume II - Next Generation Platforms Module C - Blades
- Blades and Blade Systems comprise an emerging technology, particularly in the Communications and Enterprise vertical market segments. As has been the case with other new technologies, however, the term "Blade" has been used as a marketing buzzword, creating confusion in the minds of potential users. This White Paper is written...
- White papers 2003-02-01
- Probabilistic Estimation of the Effect of Dimensional Tolerance for Turbine/Compressor Blade Attachment
- The purpose of this paper is to demonstrate a concept of decision making and discuss the implication of results. Stress evaluation though important is secondary for this paper. Finite element technique has been employed to estimate stresses. Root attachments of rotating blades of a turbine or a compressor often have...
- White papers 2002-09-27
- Efficiency and Performance: Wind Energy Fact Sheet 14
- Many terms are used to describe the performance of wind turbines. This paper explains the important ones. The amount of power that a wind turbine generates depends on the wind speed at the time. The one technical context in which efficiency is applied to wind turbines is in the aerodynamic...
- White papers 2002-05-15
- Insects Cause Double Stall
- Several large commercial wind turbines demonstrate drops in maximum power levels up to 45%, under apparently equal conditions. A number of hypotheses was formulated, three of which were useful. By performing stall flag measurements, as well as two other experiments, one of the three hypotheses was confirmed: the Insect Hypothesis....
- White papers 2001-09-26
- Development of Tooling Suitable for Stall Regulated Blades
- Wood composite had been established as a viable competitive technology for blades but, in comparison with GRP blades. Wood composite was still a relatively new technology as applied to wind turbine blades, and production improvements were not just a matter of assembling off-the-peg production solutions: much technology development was required...
- White papers 2001-08-06
- Root-Cause Investigation of Blade Failures in Steam Turbines From an Aspect of Computational Mechanics
- This paper presents the outcomes of computational mechanics applied in the root-cause investigation on blade failures of an auxiliary steam turbine in a domestic power plant, in which cracks were detected at the tenon region on the blades during scheduled outages. This involves the calculated data of the finite-element models...
- White papers 2001-02-27
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