Energy-saving Renovation of Kyo-machiya Considering the Moisture Buffering Effect of Soil Walls

Kyo-machiya, a type of traditional townhouse in Kyoto, is considered as cultural heritage that needs to be preserved. However, the high air leakage due to its unique structure and poor thermal insulation because of its traditional appearance may lead to high heating energy consumption. Therefore, an...

Full description

Bibliographic Details
Main Authors: Liu Pei, Iba Chiemi
Format: Article
Language:English
Published: EDP Sciences 2023-01-01
Series:E3S Web of Conferences
Online Access:https://www.e3s-conferences.org/articles/e3sconf/pdf/2023/33/e3sconf_iaqvec2023_03019.pdf
_version_ 1797799676107292672
author Liu Pei
Iba Chiemi
author_facet Liu Pei
Iba Chiemi
author_sort Liu Pei
collection DOAJ
description Kyo-machiya, a type of traditional townhouse in Kyoto, is considered as cultural heritage that needs to be preserved. However, the high air leakage due to its unique structure and poor thermal insulation because of its traditional appearance may lead to high heating energy consumption. Therefore, an appropriate energy-saving renovation technique is proposed. However, the lack of quantitative analysis hinders the establishment of effective renovation guidelines focused on the energy-saving and healthy indoor environments of Kyo-machiya. Previously proposed retrofits were conducted using conventional methods with limited effectiveness. The soil wall in Kyo-machiya has an impact on indoor environments and is considered as a significant feature, and its appearance is crucial for the residents. Also, the soil wall has a moisture-buffering effect. Therefore, the adoption of interior insulation should be considered with caution. In addition, high air leakage is not fully resolved via the conventional methods. In this study, we used a numerical model of a typical traditional Kyo-machiya to evaluate different renovation designs, including interior and exterior insulation, vapour/moisture proof solutions, and effectiveness of enhancing air tightness. Finally, we proposed a renovation plan based on the conventional methods, considering the balance between energy-saving and hygrothermal risk.
first_indexed 2024-03-13T04:22:30Z
format Article
id doaj.art-1bf7aa2504ad48f896688733c99a5247
institution Directory Open Access Journal
issn 2267-1242
language English
last_indexed 2024-03-13T04:22:30Z
publishDate 2023-01-01
publisher EDP Sciences
record_format Article
series E3S Web of Conferences
spelling doaj.art-1bf7aa2504ad48f896688733c99a52472023-06-20T09:04:07ZengEDP SciencesE3S Web of Conferences2267-12422023-01-013960301910.1051/e3sconf/202339603019e3sconf_iaqvec2023_03019Energy-saving Renovation of Kyo-machiya Considering the Moisture Buffering Effect of Soil WallsLiu Pei0Iba Chiemi1Graduate School of Engineering, Kyoto UniversityGraduate School of Engineering, Kyoto UniversityKyo-machiya, a type of traditional townhouse in Kyoto, is considered as cultural heritage that needs to be preserved. However, the high air leakage due to its unique structure and poor thermal insulation because of its traditional appearance may lead to high heating energy consumption. Therefore, an appropriate energy-saving renovation technique is proposed. However, the lack of quantitative analysis hinders the establishment of effective renovation guidelines focused on the energy-saving and healthy indoor environments of Kyo-machiya. Previously proposed retrofits were conducted using conventional methods with limited effectiveness. The soil wall in Kyo-machiya has an impact on indoor environments and is considered as a significant feature, and its appearance is crucial for the residents. Also, the soil wall has a moisture-buffering effect. Therefore, the adoption of interior insulation should be considered with caution. In addition, high air leakage is not fully resolved via the conventional methods. In this study, we used a numerical model of a typical traditional Kyo-machiya to evaluate different renovation designs, including interior and exterior insulation, vapour/moisture proof solutions, and effectiveness of enhancing air tightness. Finally, we proposed a renovation plan based on the conventional methods, considering the balance between energy-saving and hygrothermal risk.https://www.e3s-conferences.org/articles/e3sconf/pdf/2023/33/e3sconf_iaqvec2023_03019.pdf
spellingShingle Liu Pei
Iba Chiemi
Energy-saving Renovation of Kyo-machiya Considering the Moisture Buffering Effect of Soil Walls
E3S Web of Conferences
title Energy-saving Renovation of Kyo-machiya Considering the Moisture Buffering Effect of Soil Walls
title_full Energy-saving Renovation of Kyo-machiya Considering the Moisture Buffering Effect of Soil Walls
title_fullStr Energy-saving Renovation of Kyo-machiya Considering the Moisture Buffering Effect of Soil Walls
title_full_unstemmed Energy-saving Renovation of Kyo-machiya Considering the Moisture Buffering Effect of Soil Walls
title_short Energy-saving Renovation of Kyo-machiya Considering the Moisture Buffering Effect of Soil Walls
title_sort energy saving renovation of kyo machiya considering the moisture buffering effect of soil walls
url https://www.e3s-conferences.org/articles/e3sconf/pdf/2023/33/e3sconf_iaqvec2023_03019.pdf
work_keys_str_mv AT liupei energysavingrenovationofkyomachiyaconsideringthemoisturebufferingeffectofsoilwalls
AT ibachiemi energysavingrenovationofkyomachiyaconsideringthemoisturebufferingeffectofsoilwalls