Peer-reviewed Journal Papers

• Zhao, Tian, Zhi Zhuang, Tianxin Chang, John Grunewald, and Yao Yu. "Performance-oriented design of thermal-activated building envelope based on multi-objective optimization: Method and application." Energy and Buildings (2024): 115198.
• Gladen, Adam, Xiao, Xuelei, Zeller, Alexander, Yu, Yao. "A waste heat assessment of a manufacturing facility with consideration for demand matching through thermal energy storage." Journal of Solar Energy Engineering. 146, no. 5 (2024).
• Boateng, Simon B., Abdul-Aziz Banawi, Eric Asa, Yao Yu, and Cyril Ahiable. "Environmental and economic outlook of construction and demolition waste management practices in a mid-sized city." Journal of Material Cycles and Waste Management (2023): 1-17.
• Shuang Jiang, Yao Yu, Shuangshuang Li, Shugang Wang, Zhenjun Ma, and Jihong Wang. "Simulation and optimum control of a two-stage compression air source heat pump system: a comparison of two kinds of variable volume approaches." Applied Thermal Engineering (2023): 120149.
• Namrata Bista, Fangzheng Yuan, Yao Yu, Rui Miao, Xiaoou Hu, Mijia Yang. "Parameter study of financial analysis for implementing solar photovoltaics structural snow fences." Sustainability 15, no. 2: 1599. doi.org/10.3390/su15021599
• Yu, Yao, Ahmed C. Megri, Rui Miao, and Xiaoou Hu. "Calibrated dynamic zonal model DOMA+ using the SCE-UA method–application to atrium temperature distribution prediction." Science and Technology for the Built Environment (2022): 1-17.
• Fangzheng Yuan, Yao Yu, Mijia Yang, Rui Miao, Xiaoou Hu. "Cost-benefit analysis of implementing solar photovoltaics structural snow fences in Minnesota". ASCE Journal of Cold Regions Engineering. Vol. 36, Issue 4 (December 2022) doi.org/10.1061/(ASCE)CR.1943-5495.0000285
• Xiaoou Hu, Rui Miao, Yao Yu, Ahmed Cherif Megri. "Development of a High-Efficiency and Cost-Effective Ground Source Heat Pump System for Hot-Climate Applications". Indoor and Built Environment. Aug. 2022, doi:10.1177/1420326X221115599
• Ahmed Megri, Yao Yu, Rui Miao, Xiaoou Hu. "A new dynamic zonal model with air-diffuser (DOMA) - application to thermal comfort prediction". Indoor and Built Environment. March 2022. doi:10.1177/1420326X211060486
• Ahmed Cherif Megri, Sameer Hamoush, Ismail Zayd Megri, Yao Yu. "Advanced Manufacturing Online STEM Education Pipeline for Early-College and High School Students". Journal of Online Engineering Education, Vol. 12, No 2, Article 1.
• Miao, Rui, Xiaoou Hu, Yao Yu, Yan Zhang, Mark Wood, Gaylord Olson, and Huojun Yang. "Evaluation of cooling performance of a novel dual-purpose solar thermal collector through numerical simulations." Applied Thermal Engineering (2021): 117966.
• Miao, Rui, Xiaoou Hu, Yao Yu, Qifeng Zhang, Zhibin Lin, Abdulaziz Banawi, and Ahmed C. Megri. 2022. "Experimental Study to Analyze Feasibility of a Novel Panelized Ground-Source Thermoelectric System for Building Space Heating and Cooling" Energies 15, no. 1: 209. 
• Rui Miao, Xiaoou Hu, Yao Yu, Yan Zhang, Mark Wood, Gaylord Olson. "Experimental study of a newly developed dual-purpose solar thermal collector for heat and cold collection". Energy and Buildings. Volume 252 (2021), 111370 
• Jiang, Shuang, Shugang Wang, Yao Yu, Zhenjun Ma, and Jihong Wang. "Further analysis of the influence of interstage configurations on two-stage vapor compression heat pump systems." Applied Thermal Engineering (2020): 116050.
• Aaron Zeng, Hodde Ho, Yao Yu, "Prediction of building electricity usage using Gaussian Process Regression". Journal of Building Engineering 28 (2020):101054. 
• Aaron Zeng, Sheng Liu, Yao Yu, "Comparative Study of Data Driven Methods in Building Electricity Use Prediction". Energy and Buildings, 194 (2019): 289-300
• Yao Yu, Rui Miao, Zhi Zhuang, "Investigation and Study of the Potential Energy and Energy Cost Savings of Ground Source Heat Pump Systems Used in Cold-Climate Regions of the U.S.". Journal of Civil Engineering and Building Construction. Vol. 4, No. 1, 2019, pp 1-24.
• Yao Yu, Ahmed Megri, Shuang Jiang, " A Review of the Development of Airflow Models Used in Building Load Calculation and Energy Simulation ". Building Simulation (2019): 1-17. doi.org/10.1007/s12273-018-0494-0
• Yang H., Srivastava, M., Xie, Y., Bai, Y., Yu, Y., and Bowen, B. "Higher Education on Buildings: A Case Study in the Region of North Dakota". Journal of Architectural Engineering, 2017, 23(4): 05017009
• Somsubhra Chattopadhyay, Dwayne Edwards, Yao Yu, Ali Hamidisepehr, "An Assessment of Climate Change Impacts on Future Water Availability and Droughts in the Kentucky River Basin." Environmental Processes (2017): 1-31.
• Yao Yu, Rui Miao, Louis Miller, Huojun Yang, Gaylord Olson. "Recent development and application of geothermal heat pump systems in cold-climate regions of the U.S.: A further investigation". Engineering, 9, 625-648, 2017. doi: 10.4236/eng.2017.97039.
• Somsubhra Chattopadhyay, Dwayne Edwards, Yao Yu, "Contemporary and Future Characteristics of Precipitation Indices in the Kentucky River Basin". Water 2017, 9(2), 109; doi:10.3390/w9020109
• Shuang Jiang, Shugang Wang, Xu Jin, and Yao Yu, "The role of optimum intermediate pressure in the design of two-stage vapor compression systems: A further investigation", International Journal of Refrigeration. Vol. 70, 57-70, 2016.
• Shuang Jiang, Shugang Wang, Xu Jin, and Yao Yu, “Optimum compressor cylinder volume ratio for two-stage compression air source heat pump systems”, International Journal of Refrigeration. Vol. 67, 77–89, 2016.
• Ahmed Cherif Megri, Yao Yu, “New calibrated zonal model (POMA+) for temperature and airflow predictions”, Building and Environment, 94: 109-121, 2015.
• Ahmed Cherif Megri, Yao Yu, “Study of residential underfloor air distribution (UFAD) systems using a new modelling approach”, Indoor and Built Environment, 1420326X15597544, pp. 1-16, 2015.
• Yao Yu and Ahmed C. Megri, “A Novel Method for Thermostat Set Point Prediction for Energy Savings and/or Better Human Thermal Comfort - A Zonal Modelling Approach”, International Journal of Ventilation, 13(3): 299-318, 2014.
• Yao Yu, Ahmed C. Megri, K. M. Flurchick, and Dukka KC, “The improvement of the computational performance of the zonal model POMA using parallel techniques”, American Journal of Engineering and Applied Sciences, 7 (1): 185-193, 2014.
• Abd Alnasser Almate A. Ali, Ahmed C. Megri, Paul A. Dellenback and Yao Yu, “Use of computational fluid dynamic to predict airflow and temperature distribution in a residential building with an under floor air distribution system”, American Journal of Engineering and Applied Sciences, 7 (1): 171-184, 2014.
• Ahmed Megri, Yao Yu, Akeel Sobers, Alyssa Cooper, “Illuminance Evaluation and Assessment at three Elementary Schools”, American Journal of Engineering and Applied Sciences, 7 (1): 125-132, 2014.
• Yao Yu and Ahmed C. Megri, “A Novel Pressurized zOnal Model using the Momentum Equation”, American Journal of Engineering and Applied Sciences, 7 (1): 77-87, 2014.
• Ahmed C. Megri, Yao Yu, “Dynamic energy modeling of an experimental building equipped with an Underfloor Air Distribution (UFAD) system”, American Journal of Engineering and Applied Sciences, 7 (1): 23-35, 2014.
• Ahmed C. Megri and Yao Yu, “An Integrated Heat Transfer Attic and Multiroom Thermal Building Model”, ASHRAE Transactions, Volume 120, Part 1, 236-247, 2014.
• Ahmed C. Megri and Yao Yu, “Energy Prediction of Electric Floor Radiation Systems Using a New Integrated Modeling Approach”, ASHRAE Transactions, Volume 120, Part 1, 356-365, 2014.

Conference Proceedings

• Yao Yu, Gaylord Olson, "Dual-Purpose Solar Thermal Collector for Heat and Cold Collection", Solar Today. American Solar Energy Society (ASES), September issue, Fall 2024.
• Xiaoou Hu, Yao Yu, Ahmed Megri, Xuelei Xiao, Sameer Hamoush, George Calfas, "A Hybrid Ground Source Heat Pump System Design for Small Residential Buildings in Hot-Climate Applications", 6th International Conference on Sustainable Construction Materials and Technologies (SCMT6), University of Lyon (ENTPE), Lyon, France, 9-14 June 2024
• Xuelei Xiao, Xiaoou Hu, Shishir Kumar Das, Yao Yu, Adam Gladen, "Application of salt hydrate-based thermochemical energy storage in buildings", 2024 ASHRAE Winter Conference. Chicago, IL. Jan. 20-24, 2024.
• Xiaoou Hu, Yao Yu, Xuelei Xiao, Gaylord Olson, "Development of a High-Efficiency and Cost-Effective Ground Source Heat Pump System for Subtropical Climate Applications", 2024 ASHRAE Winter Conference. Chicago, IL. Jan. 20-24, 2024. https://doi.org/10.63044/w24hu95
• Rui Miao, Yao Yu, Xiaoou Hu, Xuelei Xiao, "Development of a Dual-Function Solar Thermal Collector for Buildings", 2023 ASHRAE Conference. Tampa, FL. June 24-28, 2023. https://doi.org/10.63044/s23mia102
• Rui Miao, Yao Yu, Xiaoou Hu, Richard Gordon, "Performance Evaluation of a Hyperloop Ground Source Heat Pump System in a Residential Building", 2023 ASHRAE Winter Conference. Atlanta, GA. February 4-8, 2023. https://doi.org/10.63044/w23mia04
• Xiaoou Hu, Yao Yu, Rui Miao, Ahmed Megri, "A High-efficiency and Low-cost Ground Source Heat Pump System Design for Cold-climate Application", 5th International Conference on Building Energy and Environment (COBEE 2022). Virtual. July 25-29, 2022.
• Gaylord Olson, Yao Yu, "New Ways to Combine Solar Thermal with Geothermal", American Solar Energy Society (ASES) National Solar Conference 2020. doi:10.18086/solar.2020.01.06
• Rui Miao, Yao Yu, Xiaoou Hu "Comparative Study on the Impact of Building Type and Location on the System Efficiency and Energy-Saving Potential of a Ground Source Heat Pump System". 2020 ASHRAE Virtual Conference. June 22-July 2, 2020.
• Rui Miao, Yao Yu, Gaylord Olson, Doug Selby, Laurie Catey, Xiaoou Hu, "Use of Solar Thermal Collectors and a Horizontal Underground Loop in a Multi-Source Heat Pump System for Thermal Energy Storage". 2020 ASHRAE Winter Conference. Orlando, FL. February 1-5, 2020.
• Rui Miao, Yao Yu, Xiaoou Hu, Todd Sirotiak, "Long-term Monitoring and Simulation of a Vertical Closed-Loop Ground Source Heat Pump System Used in the Cold Climate of the U.S.". 2019 ASHRAE Annual Conference, June 22-26, 2019, Kansas City, MO
• Rui Miao, Yao Yu, Audette Rick, "Investigation and Evaluation of a Horizontally Bored Geothermal Heat Pump System Used in the Cold Climate of the U.S.". 2018 Building Performance Analysis Conference and SimBuild, p. 615, September 26-28, 2018, Chicago IL
• Yao Yu, Gaylord Olson, Rui Miao, "Investigation and Evaluation of Multi-Source Heat Pump Units for Maximizing System Efficiency". 2018 ASHRAE Annual Conference, June 23-27, 2018, Houston, TX
• Zhuling Zheng, Zhi Zhuang, Zhiwei Lian, Yao Yu, "Study on Building Energy Load Prediction Based on Monitoring Data." Procedia Engineering, 205 (2017), 716-723.
• Yan Zhou, Zhi Zhuang, Feng Yang, Yao Yu, Xiaohong Xie, "Urban Morphology on Heat Island and Building Energy Consumption." Procedia Engineering, 205 (2017), 2401-2406.
• Gaylord Olson, Yao Yu, "Optimized Design of Solar/Air Collection and Storage Systems for HVAC", American Solar Energy Society (ASES) National Solar Conference 2017, October 9-12, 2017, Denver, Colorado, USA, doi:10.18086/solar.2017.01.05
• Gaylord Olson, Yao Yu, "Solar thermal collection with seasonal storage", American Solar Energy Society (ASES) National Solar Conference 2016, July 10-13, 2016, San Francisco, CA, USA, doi:10.18086/solar.2016.01.16
• Jeffrey L Boyer, Yao Yu, Ajit Naik, “Thinking Massively Parallel: Design Modelling Thermoactive Architecture”, Springer International Publishing, Modelling Behaviour, pp 137-148, 2015.
• Ahmed C. Megri, Yao Yu, Qing Zhang, Jay Puckett, Tony Denzer “Thermal Comfort and Energy Analysis for the Slab-on-Grade Floor and Basement of a Building”, 12th International conference on air distribution in rooms (ROOMVENT 2011), June 19-22, 2011, Trondheim, Norway.
• Ahmed C. Megri, Yao, Yu, “Prediction of Water Temperature of a Mantle Tank for Solar Domestic Hot Water Systems Using a New Zonal Model”, 12th International conference on air distribution in rooms (ROOMVENT 2011), June 19-22, 2011, Trondheim, Norway.
• Yao Yu, Ahmed C. Megri, “Development and Application of a new Dynamic Zonal model (POMA+)”, 12th International conference on air distribution in rooms (ROOMVENT 2011), June 19-22, 2011, Trondheim, Norway.
• Yao Yu, Ahmed C. Megri, “Improvement of Energy Demand Prediction Using a New Approach”, 12th International conference on air distribution in rooms (ROOMVENT 2011), June 19-22, 2011, Trondheim, Norway.
• Ahmed C. Megri, Yao Yu, “Calibration of a Transient State Heat Transfer Attic Model using SCE-UA Method”. Clima 2010: 10th REHVA World Congress: Sustainable Energy Use in Buildings: 9-12 May, Antalya, Turkey.
• Ahmed C. Megri, Yao Yu, “The Integration of the Zonal model - POMA into TRNSYS environment”. Clima 2010: 10th REHVA World Congress: Sustainable Energy Use in Buildings: 9-12 May, Antalya, Turkey.
• Ahmed C. Megri, Yao Yu, “New Calibrated Zonal Model for Temperature, Pressure and Airflow Predictions”. Clima 2010: 10th REHVA World Congress: Sustainable Energy Use in Buildings: 9-12 May, Antalya, Turkey.

Book Chapter

• Yao Yu and Gaylord Olson, "Ground Source Heat Pump Systems", Chapter 13 in the book of Handbook of Energy Systems in Green Buildings. Springer-Verlag Berlin Heidelberg. 2018

Dissertation/Thesis

• Yao Yu, “Contribution to the development of a new integrated zonal modeling approach in building environment”, Ph.D. Dissertation, Department of Computational Science and Engineering, North Carolina A&T State University, Greensboro North Carolina, 2014.
• Yao Yu, “A Zonal Modeling Approach and its Applications in Building”, Master Thesis, Department of Civil and Architectural Engineering, University of Wyoming, Laramie, Wyoming, 2012, ISBN 126742298X.

Technical Reports

• Yao Yu, Zhili Gao, Xiaoou Hu, Xuelei Xiao, Asad Sultan. 2023. "Needs Assessment Study of Low-Income North Dakota Individuals and Families". Final Report for CAPND. https://www.capnd.org/programsandinitiatives/nd-statewide-needs-assessments/2023needsassessment.html
• Mijia Yang, Yao Yu, Dong Cao. 2021. "Harnessing solar energy through noise barrers and structural snow fencing". Final Report for Minnesota Department of Transportation. https://www.dot.state.mn.us/research/reports/2021/202120.pdf (Cost Benefit Analysis Calculator and User Guide)
• Yao Yu, Zhili Gao, Rui Miao, Xiaoou Hu. 2020. "Needs Assessment Study of Low-Income North Dakota Individuals and Families". Final Report for CAPND. https://www.publicnewsservice.org/2020-12-07/housing-homelessness/nd-report-rental-assistance-biggest-need-for-low-income-residents/a72338-1  
• Rui Miao, Xiaoou Hu, Ben Eichholz, Siwakorn Tangpong, Junlong Xiang, Rhys Sammartino, Istvan Dudas, Yao Yu, Yang Zhang, and Mark Wood. 2019. "A Novel Dual Purpose Solar Collector Design". Final Report for EPA P3, SU839340. https://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstractDetail/abstract/10883/report/F 
• Yao Yu, Rui Miao, and Louis Miller. 2017. “Investigation and Evaluation of Operating Experiences with Existing Geothermal Heat Pump Systems in North Dakota”. Final Report for State Energy Program, North Dakota Department of Commerce. https://www.communityservices.nd.gov/uploads/30/FinalReportGeothermalHeatPumpStudyNDSU.pdf 

Presentations/Posters

• Yao Yu. (Session Chair) "Application of salt hydrate-based thermochemical energy storage in buildings", 2024 8th Global Energy Meet. Los Angeles, CA. March 4-8, 2024.
• Xuelei Xiao, Xiaoou Hu, Shishir Kumar Das, Yao Yu, Adam Gladen, "Application of salt hydrate-based thermochemical energy storage in buildings", 2024 ASHRAE Winter Conference. Chicago, IL. Jan. 20-24, 2024.
• Xiaoou Hu, Yao Yu, Xuelei Xiao, Gaylord Olson, "Development of a High-Efficiency and Cost-Effective Ground Source Heat Pump System for Subtropical Climate Applications", 2024 ASHRAE Winter Conference. Chicago, IL. Jan. 20-24, 2024.
• Rui Miao, Yao Yu, Xiaoou Hu, Xuelei Xiao, "Development of a Dual-Function Solar Thermal Collector for Buildings", 2023 ASHRAE Conference. Tampa, FL. June 24-28, 2023.
• Yao Yu. (Session Chair) "A new hyperloop ground source heat pump system used in a single-family house" 2023 7th Global Energy Meet. Boston, MA, March 6-8, 2023.
• Rui Miao, Yao Yu, Xiaoou Hu, Richard Gordon, "Performance Evaluation of a Hyperloop Ground Source Heat Pump System in a Residential Building", 2023 ASHRAE Winter Conference. Feb. 4-8. Atlanta, Georgia. 
• Gaylord Olson, Yao Yu. "Multi-source heat pump systems and seasonal thermal storage". IGSHPA November Town Hall. Nov. 9, 2022.
• Yao Yu. "Impact of Indoor Environmental Quality on School Children: Preliminary Survey Result” 2022 NDEHA Fall Educational Conference and Meeting. North Dakota Environmental Health Association. Virtual. October 18-20, 2022.
• Xiaoou Hu, Rui Miao, Yao Yu. Ahmed C. Megri. "A High-efficiency and Low-cost Ground Source Heat Pump System Design for Cold-climate Application," 5th International Conference on Building Energy and Environment (COBEE 2022). Virtual. July 25-29, 2022.
• Xiaoou Hu, Yao Yu. "Impact of Indoor Environmental Quality on School Children: Monitoring and Assessment" 2022 ND EPSCoR Conference. Poster Presentation. April 6th, 2022.
• Yao Yu. (Session Chair) "Development of a High-Efficiency, Cost-Effective Ground Source Heat Pump System for Residential Houses" 2022 6th International Conference on Fossil and Renewable Energy. Virtual. February 15-17, 2022.
• Yao Yu, Gaylord Olson. "The New Energy-efficient and Cost-effective Multi-source Heat Pump System". 2021 Renewable Thermal Alliance webinar. Dec. 16, 2021.
• Mijia Yang, Yao Yu. "Bright Solutions: Harnessing Solar Energy through Snow Fences & Noise Walls". MnDOT's Lunch and Learn Seminar. Nov. 19, 2021.
• Gaylord Olson, Yao Yu. "Multi-Source Heat Pump System with Low Cost and High Efficiency". IDEA2021. Austin, Texas. Sep. 27-29, 2021.
• Andrea Olson, Zhili (Jerry) Gao, Yao Yu. "Community Action Statewide Needs Assessment". 2021 Dakota Conference on Rural and Public Health June 2-4, 2021.
• Yao Yu. "LEED Lab at NDSU” USGBC + Higher Education: WNC Regional Leadership Forum by USGBC West North Central Region. May 25, 2021.
• Yao Yu. "A high-efficiency and low-cost heat pump system design for maximizing the use of renewable energy". 2021 ENGR 191 - Engineering Grand Challenges Seminar. Grand Challenges Scholars Program. NDSU. March 2, 2021.
• Yao Yu. (Session Chair) "Development of a cost-effective ground source heat pump system for maximizing the use of renewable energy" 2021 5th International Conference on Fossil and Renewable Energy. Virtual. March 1-3, 2021.
• Yao Yu , Mijia Yang. Project presentation for Task 6 of the project "Harnessing the Suns Energy through Noise Barriers and Structural Snow Fencing" to MnDOT research committee. Online Presentation. Dec. 3, 2020.
• Rui Miao, Yao Yu, Xiaoou Hu. "Comparative Study on the Impact of Building Type and Location on the System Efficiency and Energy-Saving Potential of a Ground Source Heat Pump System". 2020 ASHRAE Virtual Conference. June 22 - July 2, 2020.
• Mijia Yang, Yao Yu. Project presentation for Tasks 3, 4, and 5 of the project "Harnessing the Suns Energy through Noise Barriers and Structural Snow Fencing" to MnDOT research committee. Online Presentation. May 6, 2020.
• Yao Yu. "High-efficiency and low-cost heat pump system design" 2019 Renewable Thermal Technologies Seed Innovation Grant Recipients. Renewable Thermal Alliance. Online Presentation. April 29, 2020. https://cbey.yale.edu/event/2019-renewable-thermal-technologies-seed-innovation-grant-recipients
• Yao Yu. "A high-efficiency and low-cost heat pump system design for maximizing the use of renewable energy". 2020 ENGR 191 - Engineering Grand Challenges Seminar. Grand Challenges Scholars Program. NDSU. March 31, 2020.
• Yao Yu. "LEED Lab Program at NDSU" NDSU USGBC Student Chapter Monthly Meeting. Fargo, ND. March 4, 2020.
• Yao Yu. (Session Chair) "Ground Source Heat Pump Systems Used in Cold-Climate Regions of the U.S.: An Opportunity or a Challenge?" 2020 4th International Conference on Fossil and Renewable Energy. Houston, TX. February 17-19, 2020.
• Rui Miao, Yao Yu, Gaylord Olson, Doug Selby, Laurie Catey, Xiaoou Hu. "Use of Solar Thermal Collectors and a Horizontal Underground Loop in a Multi-Source Heat Pump System for Thermal Energy Storage." 2020 ASHRAE Winter Conference. Orlando, FL. February 1-5, 2020.
• Rui Miao, Xiaoou Hu, Dr. Yao Yu (Supervisor), Dr. Yan Zhang (Supervisor). "A Novel Dual Purpose Solar Collector Design for Heat and Cold Collection". 2019 Innovation Challenge. Second Place under Graduate Research Track. https://www.ndsu.edu/news/view/detail/56184/
• Yao Yu. "Modeling of a Novel Dual Purpose Solar Thermal Collector Developed for Both Heat and Cold Collection" 2019 ASHRAE Building Performance Analysis Conference. Denver, Colorado. September 25-27, 2019.
• Rui Miao, Yao Yu, Xiaoou Hu, Todd Sirotiak. "Long-term Monitoring and Simulation of a Vertical Closed-Loop Ground Source Heat Pump System Used in the Cold Climate of the U.S.". 2019 ASHRAE Annual Conference. Kansas City, MO. June 22-26, 2019.
• Yao Yu. "Collection and Application of Solar Energy". 2019 ENGR 191 - Engineering Grand Challenges Seminar. Grand Challenges Scholars Program. NDSU. January 29, 2019.
• Rui Miao, Yao Yu, Rick Audette. "Investigation and Evaluation of a Horizontally Bored Geothermal Heat Pump System Used in the Cold Climate of the U.S.". Poster presentation. 2018 Building Performance Analysis Conference and SimBuild, Chicago, IL. September 26-28, 2018.
• Yao Yu, Gaylord Olson, Rui Miao. "Investigation and Evaluation of Multi-Source Heat Pump Units for Maximizing System Efficiency". 2018 ASHRAE Annual Conference. Houston, TX. June 23-27, 2018.
• Gaylord Olson, Jim Thomas, Yao Yu. "Heat Pump Opportunities Using Hybridization and Seasonal Thermal Storage". IGSHPA Technical Conference and Expo 2018. Orlando, FL. March 27-29, 2018.
• Rui Miao, Ben Eichholz, Junlong Xiang, Siwakorn Tangpong, Rhys Sammartino, Istvan Dudas, Dr. Yao Yu (Supervisor), Dr. Yan Zhang (Supervisor), Professor Mark Wood (Supervisor). "A Novel Dual Purpose Solar Collector Design for Heat and Cold Collection." Poster presentation. EPA P3 National Sustainable Design Expo. April 7-8, 2018.
• Junlong Xiang, Yuefan Wang, Rui Miao, Yao Yu (Advisor), Yan Zhang (Advisor). "An innovative flat plate collector design for heat and cold collection." Poster presentation, NDSU Explore - Undergraduate excellence in research and scholarly activity, Fargo, ND. November 1, 2017.
• Yuyang Chen, Louis Miller, Rui Miao, Yao Yu (Advisor). "Study and evaluation of operating experiences with existing geothermal heat pump systems in North Dakota (Final Report)." Poster presentation, NDSU Explore - Undergraduate excellence in research and scholarly activity, Fargo, ND. November 1st, 2017.
• Gaylord Olson, Yao Yu. "Optimized Design of Solar/Air Collection and Storage Systems for HVAC." American Solar Energy Society (ASES) National Solar Conference 2017, American Solar Energy Society (ASES), Denver, Colorado. October 9-12, 2017.
• Peter Skinner, Jeff Harrison, Yao Yu, Mark Graham, Fabian Ochs. "Interseasonal SAGHPS Heat Storage." Poster Session, 11th ISES EuroSun Conference, Palma (Mallorca), October 11-14, 2016
• Rui Miao, Louis Miller, Yao Yu (Advisor). "Study and evaluation of operating experiences with existing geothermal heat pump systems in North Dakota." Poster presentation, NDSU Explore - Undergraduate excellence in research and scholarly activity, Fargo, ND. November 1, 2016.
• Yao Yu. "How to include the impact of thermostat into building load calculation?" ASHRAE and IBPSA-USA SimBuild 2016: Building Performance Modeling Conference. Salt Lake City, Utah. August 10-12, 2016.
• Gaylord Olson, Yao Yu. "Solar thermal collection with seasonal storage.” American Solar Energy Society (ASES) National Solar Conference 2016, American Solar Energy Society (ASES), San Francisco, CA. July 10-14, 2016.