Professor Lu Hongtao and Professor Long Xinping from Wuhan University School of Mechanical and Power Engineering recently received application proof from Xi'an Aircraft Industry (Group) Co., Ltd., saying that they used jet pump technology to develop fuel injection pump for oil transportation system, which could make the company "new Boat 60 "aircraft each have an economic benefit of 313.6 million yuan. "Xinzhou 60" aircraft is a new generation of turboprop regional aircraft independently developed and manufactured by Xi'an Aircraft Industry (Group) Co., Ltd. This technology optimizes the oil supply system of the "Xinzhou 60" aircraft, making the aircraft lighter and more cost effective. Long Xinping introduction, civil aircraft traditionally used centrifugal pump for fuel, heavy, costly, for the middle part of the fuel is relatively more. Task Force from the heart of the aircraft - the engine to start with the jet pump to replace the traditional centrifugal pump, the direct use of the engine flow (high pressure fluid) as the jet pump power to the aircraft for oil. Such an alternative makes the structure of the aircraft simpler, reduces the intermediate links for the transportation of fuel, reduces the moving parts, improves the safety and reliability of the aircraft, and has good maintainability and convenient flying operation and driving. The application proves provided by Xi'an Aircraft Industry (Group) Co., Ltd. show that using jet pump for oil transmission system, each aircraft can reduce the weight of the aircraft by 30 kg and save the cost of RMB 436,000. Each aircraft will have an economical life within the safety period Benefit of 2.7 million yuan, generating a total economic 3.136 million yuan. Up to now, the aircraft has sold 136 aircraft, the new system has generated more than 400 million yuan total benefits. According to reports, jet pump theory and application of technology is to study the jet pump and jet pump as the main or core of a variety of process systems for engineering application of a technology. The jet pump itself does not have any moving parts and uses direct high-pressure fluid as a motive force to direct and suck low pressure fluids or bulk solids and their mixtures and to carry out mixing and chemical reactions while they are being delivered. The technology has been widely used in aerospace, water conservancy and hydropower, transportation, chemicals, environmental protection, nuclear energy and other fields. It is reported that, Wuhan University, Lu Hongtao, Lung new equal research team composed of long-term jet pump technology research, the results in the leading domestic level, reaching the international advanced level.
Overhead Sectional Door
Overhead sectional door most widely used for loading areas on all types of industrial premises and Designed with a curved overhead track, these vertically-opening sectional doors can be installed in areas with reduced head room. They provide heat and sound insulation with its composite panel construction.
The counterbalance and cable system provides quiet and straight forward operation for manual doors. Electric operation is available for larger applications that can incorporate many alternative operator options to suit all client requirements.
The standard outer panels are manufactured from 0.5mm thick, high quality zinc coating to BS EN 10147
For the best weather protection the sectional door panel has an interlocking hinged joint integrating a high quality seal the full length of the panel.
A counterbalance system is incorporated into the sectional overhead door to ensure efficient and effortless operation.
The counterbalance comprises of springs mounted on a steel shaft that are high tensile helical wound steel. It has been heat treated for enhanced performance for around 50,000 cycles.
Reducing shaft friction is achieved with the aid of brackets and guide rollers incorporating highest quality sealed bearings.
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