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Design of a 'smart manifold' for geothermal HVAC installations

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thesis
posted on 22.05.2021, 14:09 by Michael Di Paolo
Ground Source Heat Pump (GSHP) systems are an effective way to reduce a building’s heating and cooling energy consumption. However, sizing a GSHP system to effectively meet all of a building’s demand usually leads to an oversized system for the majority of any given year. Oversizing can result in an undesirable payback period. One aspect of a GSHP system’s design which inhibits a reasonable payback time is the inability to effectively operate the geo-field at reduced capacity. As a result, a GSHP system will tend to run at full capacity in short bursts at a time, rather than the more efficient alternative of running for longer intervals at reduced capacity. This study introduces a design modification to GSHP systems, called a ‘Smart Manifold’, which enables oversized geo-fields to dynamically resize themselves, allowing for more efficient operating conditions, while still being capable of satisfying building heating and cooling.

History

Degree

Master of Applied Science

Program

Mechanical and Industrial Engineering

Granting Institution

Ryerson University

LAC Thesis Type

Thesis