Two-phase cooling for warm things in the nacelle

A novel precision-cooled rack is now available for cooling critical wind turbine components. The precision-cooled rack of Parker’s Precision-Cooled Rack Solution features patented two-phase evaporative cooling that uses non-corrosive, non-conductive fluid, as it vaporizes and cools hot surfaces on contact. Parker’s Precision-Cooled Rack Solution can be used to cool critical wind turbine systems, including power conversion electronics, the generator and the gear box, and also provides an efficient solution in a smaller, lighter footprint than racks using alternative thermal management.

The flexibility of Parker’s technology and its use in racks, cabinets, and containers has been implemented in many other industrial markets where it has been easily configured to cool a variety of applications such as power electronics, motors, transformers, and batteries. Dual-phase liquid cooling continuously cycles a refrigerant within a sealed, closed loop to cool a wide range of devices. The cooling system uses a small pump to deliver just enough coolant to the evaporator – usually a series of one or more cold plates optimized to acquire the heat from the warm device. In so doing, the coolant begins to vaporize maintaining a cool uniform temperature on the surface of the device. The resulting two-phase coolant is then pumped to a heat exchanger where it rejects the heat to the ambient and condenses back into a liquid, completing the cycle.

The cooling rack works well in wind turbines where the size and weight in the nacelle continues to grow with total capacity. In addition, the Parker precision-cooled rack is the only product available today offering the potential to double the power density of key major subsystems such as the generator and power conversion system, and whose modular thermal management elements greatly simplify onsite maintenance when required, while reducing overall maintenance costs.

Parker Hannifin
www.powersystemscooling.com

Free software finds tools for tube assembly tasks

A recent web-based app makes it fast and easy to choose equipment necessary for a variety of standard tube assembly operations. Determining the appropriate equipment for an operation is easier with ToolSpec because it applies information supplied by users to find a suitable match.

Rather than simply listing tasks the tools perform, the application describes them in detail, as well as the function of the selected equipment. Users would first select an operation to be performed, such as pre-set, flange, bend, flare, cut, or deburr. Next, select the equipment on which the operation will be performed. ToolSpec then narrows the search with additional specs relative to the chosen equipment. After providing pertinent information, the app displays a final selection, showing appropriate tooling. The application also provides users with relevant equipment manuals and operation details. Use the free-to-use ToolSpec app at: www.tfdToolSpec.com.

Parker Hannifin Corp.
www.tfdToolSpec.com

Hose shop without leaving your living room

Parker Hannifin Corp.

www.parker.com

Aluminum tube fittings are 65% lighter than steel

SAE aluminum tube fittings are approximately 65% lighter than equivalent steel and stainless steel fittings. The lifhter fittings help save fuel, freight and shipping costs. The cost of converting a system from steel or stainless steel is also minimal, since no component redesign is necessay. The fittings are manufactured to SAE TFD Aluminum Fittingstured J514 dimensions for 37° flare fittings and SAE J1453 dimensions for O-ring face seal fittings.

The connectors are appropriate when weight reduction and/or corrosion resistance are essential. The maximum working pressure rating for the fittings is approximately 50% of steel fittings, while the temperature rating ranges from -40°F to 400°F depending on the seal material.

The fittings also feature a trapezoidal-shape seal, which prevents “pop out” associated with round-shape O-rings and further reduces the risk of seal damage and leakage. The manufacturer also offers robust port studs that keep threads unexposed between the locknut and backup washer, and so the potential for washer damage and leaks is eliminated.

Parker Hannifin Corporation
parker.com

Electromechanical device for blade pitch control

In addition to hydraulically controlled and actuated blade pitch control systems, Parker can provide components and systems for dynamic performances with electromechanical technology. Parker’s electromechanical solutions, on display in Booth 10443, include dc drives with rugged designs and flexible connectivity, brushless servomotors in a full power range with flexible connection options, multi-axis motion controllers providing high speed coordinated multi-axis motion, and servo drives with compact power. Full programmability and electric cylinders offer compact power in a rugged package.