0
Technical Briefs

A Two-Pressure Humidity Generator

[+] Author and Article Information
Keith Durand

Pappalardo Professor Precision Engineering Research Group, Department of Mechanical Engineering,  Massachusetts Institute of Technology, Cambridge, MA 02139kdurand@mit.edu

Alexander Slocum

Pappalardo Professor Precision Engineering Research Group, Department of Mechanical Engineering,  Massachusetts Institute of Technology, Cambridge, MA 02139slocum@mit.edu

J. Mech. Des 134(11), 114502 (Oct 02, 2012) (4 pages) doi:10.1115/1.4007302 History: Received December 13, 2010; Revised June 04, 2012; Published October 02, 2012; Online October 02, 2012

A device for precisely humidifying a process gas is presented, with particular application to document preservation. The machine is designed to minimize the risk of damage from overpressure by incorporating multiple safety mechanisms and a simple user interface. The design theory is presented, discussed, and verified. This device is capable of generating humidified gases with relative humidities between 7% and 96% to high accuracy. At conditions suitable for document preservation, the machine is accurate to within ±3.5%, generating a relative humidity of (40±1.4)%.

FIGURES IN THIS ARTICLE
<>
Copyright © 2012 by American Society of Mechanical Engineers
Your Session has timed out. Please sign back in to continue.

References

Figures

Grahic Jump Location
Figure 1

Completed moisturematic

Grahic Jump Location
Figure 2

Schematic of moisturematic

Grahic Jump Location
Figure 3

Saturator assembly drawing

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In