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Influence of Climate on Open Earth-Air Heat Exchanger Potential.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Influence of Climate on Open Earth-Air Heat Exchanger Potential./
Author:	Zajch, Andrew Marian.
Description:	1 online resource (155 pages)
Notes:	Source: Dissertations Abstracts International, Volume: 83-01, Section: A.
Contained By:	Dissertations Abstracts International83-01A.
Subject:	Climate change. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28417234click for full text (PQDT)
ISBN:	9798522944339

Influence of Climate on Open Earth-Air Heat Exchanger Potential.
Zajch, Andrew Marian.

Influence of Climate on Open Earth-Air Heat Exchanger Potential. - 1 online resource (155 pages)

Source: Dissertations Abstracts International, Volume: 83-01, Section: A.

Thesis (Ph.D.)--University of Toronto (Canada), 2021.

Includes bibliographical references

Space heating and cooling constitute significant energy demands in buildings. The interdependence between climate and heating and cooling energy usage makes this sector a prominent candidate for climate change mitigation as well as making it susceptible to climate change impacts. Earth-air heat exchangers (EAHE) have the potential to provide heated or cooled air to buildings by allowing for heat exchange between the subsurface and supplied ambient air, hypothetically reducing energy demands for space heating and cooling. However, the system is naturally tied to the climate as it relies on both air and subsurface ground temperatures. Therefore, to ¬recognize the feasibility of these systems and their capacity for becoming tools for climate change mitigation, the influence of climate on these systems require further understanding. The influence of seasonal variations in air and subsurface temperatures were gauged for Canadian climates to understand the impacts of assuming temporal homogenous ground or typical weather conditions. Heating potential was less dependent on the timing of seasonal variations when compared to cooling potential, with ground temperature changes exhibiting a heightened effect. This emphasized the importance of parameterizing temporally heterogenous ground surface conditions for estimates of EAHE potential. The importance of daily air temperature behavior was investigated through the temporal decomposition of surveyed air and ground temperatures from an EAHE system employed in Aichi, Japan. The reliance of cooling on the diurnal variations in air temperature implied EAHE cooling may be susceptible to increases in overnight/morning temperatures when system cooling is least favorable. Finally, 'future' EAHE potential was estimated by pairing a climate driven approach with climate change scenarios. Projections of geo-climatic suitability showed EAHE systems can continue to be useful in temperate climates, with a more balanced heating and cooling demand, despite an evolving heating and cooling regime. Further work should endeavor to incorporate the climate influences highlighted in this work to create a comprehensive climate-based approach for estimating EAHE. Ultimately, stakeholders looking to harness the benefits of EAHE systems should consider climate effects, avoiding oversimplifications, when estimating EAHE feasibility for present and future conditions.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2023

Mode of access: World Wide Web

ISBN: 9798522944339Subjects--Topical Terms:

2079509
Climate change.
Subjects--Index Terms:

Climate influenceIndex Terms--Genre/Form:

542853
Electronic books.

Influence of Climate on Open Earth-Air Heat Exchanger Potential.
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520 $a Space heating and cooling constitute significant energy demands in buildings. The interdependence between climate and heating and cooling energy usage makes this sector a prominent candidate for climate change mitigation as well as making it susceptible to climate change impacts. Earth-air heat exchangers (EAHE) have the potential to provide heated or cooled air to buildings by allowing for heat exchange between the subsurface and supplied ambient air, hypothetically reducing energy demands for space heating and cooling. However, the system is naturally tied to the climate as it relies on both air and subsurface ground temperatures. Therefore, to ¬recognize the feasibility of these systems and their capacity for becoming tools for climate change mitigation, the influence of climate on these systems require further understanding. The influence of seasonal variations in air and subsurface temperatures were gauged for Canadian climates to understand the impacts of assuming temporal homogenous ground or typical weather conditions. Heating potential was less dependent on the timing of seasonal variations when compared to cooling potential, with ground temperature changes exhibiting a heightened effect. This emphasized the importance of parameterizing temporally heterogenous ground surface conditions for estimates of EAHE potential. The importance of daily air temperature behavior was investigated through the temporal decomposition of surveyed air and ground temperatures from an EAHE system employed in Aichi, Japan. The reliance of cooling on the diurnal variations in air temperature implied EAHE cooling may be susceptible to increases in overnight/morning temperatures when system cooling is least favorable. Finally, 'future' EAHE potential was estimated by pairing a climate driven approach with climate change scenarios. Projections of geo-climatic suitability showed EAHE systems can continue to be useful in temperate climates, with a more balanced heating and cooling demand, despite an evolving heating and cooling regime. Further work should endeavor to incorporate the climate influences highlighted in this work to create a comprehensive climate-based approach for estimating EAHE. Ultimately, stakeholders looking to harness the benefits of EAHE systems should consider climate effects, avoiding oversimplifications, when estimating EAHE feasibility for present and future conditions.
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538 $a Mode of access: World Wide Web
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650 4 $a Thermodynamics. $3 517304
650 4 $a Geochemistry. $3 539092
650 4 $a Air flow. $3 914389
650 4 $a Flow velocity. $3 3564851
650 4 $a Emissions. $3 3559499
650 4 $a Buildings. $3 861672
650 4 $a Manuscripts. $3 3566242
650 4 $a Seasons. $3 523975
650 4 $a Electric rates. $3 3560701
650 4 $a Winter. $3 603950
650 4 $a Feedback. $3 677181
650 4 $a Energy consumption. $3 631630
650 4 $a Summer. $3 800184
650 4 $a Geothermal power. $3 3692160
650 4 $a Radiation. $3 673904
650 4 $a Ventilation. $3 776587
650 4 $a Efficiency. $3 753744
650 4 $a Editing. $3 601456
650 4 $a Case studies. $2 itrt $3 996239
650 4 $a Simulation. $3 644748
650 4 $a Cooling. $3 1457878
650 4 $a Heat exchangers. $3 626398
650 4 $a Temperature. $3 711968
650 4 $a Design. $3 518875
650 4 $a Urban areas. $3 3546012
653 $a Climate influence
653 $a Open Earth-air
653 $a Heat exchanger potential
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