Journal of the IEST

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Purpose. The Journal of the IEST is the official publication of the Institute of Environmental Sciences and Technology. Established to advance knowledge through technical papers selected by peer review, the Journal is and has been published for more than 50 years as a benefit to IEST members and the technical community at large. This permanent record of progress in the science and technology of the environmental sciences is of archival quality and non-commercial in nature.

Scope. The Journal of the IEST contains technical articles and reports on simulation, testing, modeling, control, current research, and the teaching of the environmental sciences and technologies. The editorial content covers contamination control, environmental laboratory and field-testing and evaluation, reliability assessment and evaluation methods, environmental instrumentation and measurements, environmental effects, environmental and safety standards, computer applications, and other topics.

Please note that our focus is not on typical environmental science, such as climate change, soil and groundwater contamination, wastewater treatment, air quality, and the like, but rather on environmental test, including but not limited to acoustics, climatic, vibration and other tests as they relate to controlled environments.

Mission. To support the pursuit of knowledge, the advancement of technology, and the creation of pathways of communication in the environmental sciences.

The online Journal of the IEST contains peer-reviewed technical papers and complimentary Tech Talk articles related to the fields of contamination control; design, test, and evaluation; and product reliability. Your Journal of the IEST subscription or IEST membership includes the current Journal of the IEST and access to the Journal of the IEST archive volumes from 1985-current.

 

2025 cover option 3 web

December Issue
Abstracts and Details

(Members: Use the link in the sidebar
to gain full access to this issue.)

Cover Image: The removal of a section of thermal shroud from a thermal vacuum (TVAC) chamber allows for cleaning and maintenance. Laboratory for Atmospheric and Space Physics (LASP), Colorado, 2017. Cover image courtesy of LASP (image of the west shroud removed from the “Jimmy” TVAC chamber at LASP).

  
The online
Journal of the IEST

December 2025

Contamination Control

  • Impact of Relative Humidity Levels on Microbial Growth in Viable Air and Surface Samples
  • Effect of the Particle Size Distribution of Challenge and Calibration Aerosols on HEPA Filter Leak Test by Aerosol Photometers
  • Tech Talk: Microbial Control of Product-Contact Surfaces for Non-Sterile Drug Manufacturing Equipment

Environmental Test and Product Reliability
 
  • Unexpected Corona Discharge Event in NASA Johnson Space Center’s Man-Rated Thermal Vacuum Chamber B and Subsequent Modifications for Mitigation
  • 6.5-m Diameter Large Thermal Vacuum Chamber for Satellite Payload Testing
  • Equivalent Field Stress Condition and Usage with Multiple Distributional Stress Types
  • Case Study of an Octave Band Control Method for Structural Response Notching
  • Construction of Spacecraft Electric Propulsion Test Facility at KARI   : EPISODE-3.8
  • Tech Talk: The USAF Research Laboratory’s SCEPTRE Facility
  • Tech Talk: Reliability and Mission Engineering: Improving Mission Success


Hybrid Tech Talk: Disassembly and Cleaning of a 10-ft Thermal Vacuum Chamber

 

 

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Nonmembers may access Tech Talk articles and abstracts of technical papers. Nonmembers may purchase full technical papers for immediate download.

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