This product is a zip file that contains files that consist of PowerPoint slides synchronized with the audio-recording of the speaker, PDF files of the slides, and audio only (mp3 format) as noted.

This session presents recent developments in modeling of ground heat exchangers used with ground-source heat pump systems. These models are used for design and energy analysis. The seminar presentations are based on papers recently published in ASHRAE's research journal, Science and Technology for the Built Environment.

1. Thermal Resistances of Double U-Tube Ground Heat ExchangersSaqib Javed, Ph.D., Member, Lund University, Lund, Sweden

2. Long-Term Temperature Predictions in Fields of Series-Connected Boreholes Using the Analytical Finite Line Source SolutionMassimo Cimmino, École Polytechnique de Montréal, Montréal, QC, Canada

3. Universal Short Time g*-Functions: Generation and ApplicationMichel Bernier, Ph.D., Fellow ASHRAE, Polytechnique Montréal, Montréal, QC, Canada