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NY-14-027 — Characteristics and Enhancement of a Disk Type Humidifier with Hydrophilic Rough Surface

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Conference Proceeding by ASHRAE, 2014

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Description

The performance of portable disk humidifiers relies on water vaporized into dry air. Among various kinds of humidifiers, a disk humidifier comprises of disks as a water vaporizing means. An experimental study was conducted to improve humidifier performance using three kinds of polymer disks: polypropylene (PP), acrylonitrile butadiene styrene (ABS), and compounded PP. The hydrophilicities of PP, ABS, and compoundedPPwere 86°, 90°, and 55°, respectively.We tested the humidification rates of humidifiers with disks roughened by 24, 30, and 40 μm (9.45 × 10-4, 1.18 × 10-3, and 1.57 × 10-3 in.) of fine sand using a sandblasting process for three kinds of disks. The compounded PP humidifier vaporized about 1.3-1.4 times more moisture than the other types. The 24 μm (9.45 × 10-4 in.) sand treated disk humidifier showed the best results, humidifying 1.57-1.7 times more than the original disk humidifier. These results suggest that humidifier performance could be enhanced with the use of hydrophilicrough disks without requiring any additional electrical energy.

Citation: ASHRAE Transactions – Volume 120, Part 1, New York, NY

Product Details

Published:
2014
Number of Pages:
4
File Size:
1 file , 1000 KB
Product Code(s):
D-NY-14-027