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Indoor Air Quality: CO₂ Sensors and Demand Controlled Ventilation

This presentation discusses research on indoor air quality (IAQ) and building a small IAQ control system using Arduino microcontroller board and micro gas sensors (CO2, O3, etc.). This research is part of Research Experiences for Teachers (RET) in Sensor Education, a National Science Foundation (NSF) funded grant project.
Date: July 28, 2013
Creator: Parsons, David; Jordan, Georgette; Cheggwidden, Dawn; Li, Xinrong; Thompson, Ruthanne & Abraham, Sherin
Object Type: Presentation
System: The UNT Digital Library
Liquid Cooled Stirling Engine with a Segmented Rotary Displacer (open access)

Liquid Cooled Stirling Engine with a Segmented Rotary Displacer

Patent relating to a liquid cooled stirling engine with a segmented rotary displacer.
Date: September 16, 2010
Creator: Foster, Phillip R.
Object Type: Patent
System: The UNT Digital Library
Polymeric Materials Reinforced with Multiwall Carbon Nanotubes: A Constitutive Material Model (open access)

Polymeric Materials Reinforced with Multiwall Carbon Nanotubes: A Constitutive Material Model

This article discusses the modification of an existing material model to take into account softening and residual strain effects observed in polymeric materials reinforced with carbon nanotubes when subjected to loading and unloading cycles.
Date: April 12, 2013
Creator: Córdova, René K.; Elías-Zúñiga, Alex; Elizalde, Luis E.; Siller Carrillo, Héctor Rafael; Sánchez, José Antonio; Rodríguez, Ciro A. et al.
Object Type: Article
System: The UNT Digital Library
Study of performance of high speed turning using the volumetric dimension coefficient of resultant cutting force (open access)

Study of performance of high speed turning using the volumetric dimension coefficient of resultant cutting force

This article describes the experimental study of the resultant cutting force evolution of two coating carbide and a cermet inserts, during the dry turning of AISI 1045 steel with 400, 500, and 600 m/min cutting speeds.
Date: July 2013
Creator: Hernández-González, L. W.; Pérez-Rodríguez, R.; Zambrano-Robledo, P. C.; Siller Carrillo, Héctor Rafael & Toscano-Reyes, H.
Object Type: Article
System: The UNT Digital Library

Wildlife Monitoring

This presentation discusses research on solar powered wildlife monitoring systems. The goal of the project was to develop an off grid video system using solar power for collecting visual data of the burrowing owl roosting behavior in the West Texas region.
Date: July 28, 2013
Creator: Jones, Raechelle; Meyer, Chelsea; Wolf, Lori; Williams, Jennifer & Acevedo, Miguel F.
Object Type: Presentation
System: The UNT Digital Library