Extensive duct-fan systems with in-line booster fans: Planning for partial vacuum and an algorithm for in-line booster fan positioning
Francoeur, Myriam; Bowling, John R.R.; McFadden, Adam
ABSTRACT:
As duct-fan systems push the envelope of power, length and cost, their design calls for a more comprehensive technoeconomic analysis to ensure they deliver the expected results without failure and cost overrun. This work explores the numerous factors to include in the design of an extensive (semi-)rigid duct-fan system. Besides delivering a given airflow, the system must satisfy component limitations and power constraints during its lifetime. We evaluate the assumptions underlying the positioning of in-line booster fans in a long gapless duct-fan system and propose a strategy for specifying the location and blade pitch of successive booster fans to prevent system failure due to a partial vacuum.
Full-text paper:
Mining, Metallurgy & Exploration (2022) 39:947–959, https://doi.org/10.1007/s42461-022-00575-3
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