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1. Energy Performance Sensitivity of a Net-Zero Energy Home to Design and Use Specifications
Published: 2/2/2015
Authors: Joshua D Kneifel, William M Healy, James J Filliben, Matthew T Boyd
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=916154

2. The Effect of Piping Heat Losses on the Efficiency of Solar Thermal Water Heating in a Net-Zero Energy Home
Published: 1/28/2015
Authors: Tania Ullah, William M Healy
Abstract: This study evaluates the thermal performance of an dual-tank domestic hot water (DHW) system designed for a net-zero home at the National Institute of Standards and Technology, Gaithersburg Maryland campus. Hot water demand for a virtual family of fo ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=916397

3. Design Challenges of the NIST Net Zero Energy Residential Test Facility
Series: Technical Note (NIST TN)
Report Number: 1847
Published: 12/31/2014
Authors: Betsy Pettit, Cathy Gates, Arthur Hunter Fanney, William M Healy
Abstract: Homeowners and builders have increasingly strived to build low energy use and environmentally friendly homes. As materials and equipment have improved, energy reduction as a goal has increasingly been replaced with the goal of net-zero energy use. ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=916412

4. Monitoring Techniques for the Net-Zero Energy Residential Test Facility
Series: Technical Note (NIST TN)
Report Number: 1854
Published: 12/31/2014
Authors: Mark W Davis, William M Healy, Matthew T Boyd, Lisa C Ng, William V Payne, Harrison M Skye, Tania Ullah
Abstract: NIST has constructed a Net-Zero Energy Residential Test Facility that will be used as a testbed for investigating the measurement science related to systems, components, and operations that will lead to homes that generate as much energy over a cours ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=917208

5. Power Supply Issues for Wireless Sensor Networks: A Review
Published: 3/1/2014
Authors: Wenqi Guo, William M Healy, Mengchu Zhou
Abstract: Wireless sensor networks (WSNs) have enabled numerous embedded wireless applications in different areas such as military/battlefield, environmental monitoring, and intelligent building systems. They consist of a large number of nodes that need to ope ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911922

6. Experimental Study of the Thermal Impacts on Wireless Sensor Batteries
Published: 4/10/2013
Authors: Wenqi Guo, William M Healy, Mengchu Zhou
Abstract: Wireless sensor networks are being considered for application within buildings to control various equipment in different working environments. As wireless sensors are powered by commercially available batteries, battery performance will directly affe ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913358

7. Impacts of 2.4 GHz ISM Band Interference on IEEE 802.15.4 Wireless Sensor Network Reliability in Buildings
Published: 9/9/2012
Authors: Wenqi Guo, William M Healy, Mengchu Zhou
Abstract: With the recent emergence of standards, wireless solutions are ready to be deployed in building automation networks. IEEE 802.15.4 is a standard for short range wireless networks. Its major applications fields are home and building automation, as wel ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906735

8. Battery Discharge Characteristics of Wireless Sensors in Building Applications
Published: 4/11/2012
Authors: Wenqi Guo, William M Healy, Mengchu Zhou
Abstract: Sensor nodes in wireless networks often use batteries as their source of energy, but replacing or recharging exhausted batteries in a deployed network can be difficult and costly. Therefore, prolonging battery life becomes a principal objective ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910723

9. Input-Output Approach to Predicting the Energy Efficiency of Residential Water Heaters ‹ Testing of Gas Tankless and Electric Storage Water Heaters
Published: 11/1/2011
Authors: William M Healy, Tania Ullah, John F Roller
Abstract: A study was conducted to evaluate the potential for using a linear relationship between the power input to a residential water heater and the output of thermal energy in hot water for rating the unit‰s energy efficiency. This approach has the potent ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906851

10. Performance Measurements and Analysis of Low Data Rate Wireless Communication Under Interference Sources in Buildings
Published: 10/13/2010
Authors: Wenqi Guo, William M Healy, Mengchu Zhou
Abstract: Interference from collocated networks operating over the same frequency range becomes an increasingly severe problem as the number of networks overlapping geographically increases within commercial and residential buildings. This paper aims to highli ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905715



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