차세대 신개념 터보블로워의 세계최초 상품화 개발

다국어 초록 (Multilingual Abstract)

In the paper, the development of high-speed industrial turbo blowers with foil air bearings is presented as a first successful commercialization in the world. Their target market is various from wastewater treatment to cement factory processes which require compressed air ranging between 0.6 and 0.8 bar gauge. Employing the state-of-the-art technology of the high-speed BLDC motors, the bump-type foil air bearings and the high-efficient turbo impellers/diffusers, so much compact, efficient and silent blower machines of a single stage are now available in the market, aiming to replace the existing inefficient, bulky and noisy ones, such as roots blowers. The first production lines are established for 25, 75 and 150 hp class blowers. Rotational speeds from about 20,000 to 80,000 rpm are realized directly from the high-speed BLDC motors without any gear boxes, and no lubrication oil is required. A brief introduction of design, manufacture and test results is presented for mechanical, electrical and aerodynamic performance.

목차 (Table of Contents)

• Abstract
  
• 1. 서론
  
• 2. 새로운 개념의 터보블로워
  
• 3. 임펠러와 디퓨져
  
• 4. 고속 BLDC 모터와 인버터
  
• 5. 포일 공기 베어링
  
• 6. 성능시험
  
• 7. 맺음말
  
• 참고문헌