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New PDF release: 8th International Conference on Compressors and their

By City University London

ISBN-10: 1782421696

ISBN-13: 9781782421696

This ebook includes the papers from the 2013 foreign convention on Compressors and Their platforms, held from 9-10 September at urban college London. The long-running convention sequence is the final word worldwide discussion board for reviewing the most recent advancements and novel ways in compressor examine. top of the range technical papers are sourced from world wide, masking expertise improvement, operation, upkeep and reliability, protection and environmental influence, power potency and carbon footprint, approach integration and behavior, improvements and refurbishment, layout and manufacture, schooling improvement. the entire papers are formerly unpublished and represent cutting edge research.

  • Presents innovative advancements in compressor technology
  • Gives the newest prediction and modelling techniques
  • Details the hot know-how and machinery

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Additional resources for 8th International Conference on Compressors and their Systems

Example text

Compressor technology and operation accounts for a mean consumption share close to 30-35 %. In this share, electric motors, speed control and the use of sophisticated control systems (part load) are responsible for the most significant part (70-80 %). So, machines more oriented to reduce energy consumption and, most preferably, more oriented to reduce consumption during flow rate modulation (matching between compressed air demands and delivery) should be preferred. 1. SLIDING VANE COMPRESSOR TECHNOLOGY AND ENERGY CONSUMPTION Figure 4 shows typical costs of the compressed air supply in a typical industrial site, [2, 8, 9, 12]: energy cost accounts for 70-75 % and is the main cost compared with the capital costs (15-20 %) and maintenance costs (7-10 %).

For a given (accepted) investment increase, the “y” value gives the minimum efficiency increase that justifies the additional cost (discounted) over a ten year period. Values above the line produce a net cost reduction. An investment increase of 10 % is justified only if the compressor efficiency increase is greater than 4 % with respect to actual technology; if the cost increase is 25 % it is justified only if the saving is greater than 8 %: the ratio between the two parameters remains constant.

So, in the range 7-12 bar and flow rates less than 1000 m3/min with an electrical power range from a few kW to several hundred kW, rotary volumetric machines represent the reference technology. In the rotary type family, screw compressors are the most common and widespread technology. Features like reliability, low cost manufacturing, proven technology, strong scientific and research support, very high knowhow inside manufacturers and, more generally, less maintenance, robustness, capability to stay on the market are the main reasons of this success.

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8th International Conference on Compressors and their Systems by City University London


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