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Sustainable Building Technology and High-Performance Building Engineering
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Sustainable Building Technology and High-Performance Building Engineering

A special issue of Buildings (ISSN 2075-5309). This special issue belongs to the section "Building Energy, Physics, Environment, and Systems".

Deadline for manuscript submissions: 30 September 2024 | Viewed by 3773

Special Issue Editor

Prof. Dr. Jun Lu

E-Mail Website
Guest Editor
School of Civil Engineering, Chongqing University, Chongqing 400045, China
Interests: HVAC technology; building energy efficiency; smart energy technology; ecological city planning and management

Special Issue Information

Dear Colleagues,

With the growing concerns around climate change and environmental sustainability, reducing carbon emissions and promoting energy efficiency have become critical issues in various industries.

Reducing carbon emissions and the resource waste of buildings and promoting sustainable development have become major challenges for the construction industry.

This Special Issue aims to explore the latest research and practices in sustainable building materials, energy-efficient building technologies, advanced building design concepts, and green building rating standards.

Specifically, we encourage submissions that address the following topics:

  • Sustainable building materials: How to use environmentally friendly and recyclable materials for low-carbon buildings.
  • Building energy-saving technologies: How to reduce building carbon emissions and energy consumption through energy-saving technologies and intelligent controls.
  • High-performance building design: How to use advanced building design concepts and technologies to achieve high-performance building design and construction.
  • Green building rating standards: How to establish scientific and comprehensive green building rating standards to promote green and sustainable building development.

We welcome submissions from scholars, researchers, and practitioners across disciplines and industries. We invite original research articles, review articles, and case studies related to this theme.

We look forward to receiving your contributions and sharing cutting-edge research and practices on sustainable building technology and high-performance building engineering.

Prof. Dr. Jun Lu
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Buildings is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • low carbon and zero carbon building
  • transportation hub
  • HVAC
  • efficient air conditioning room
  • sustainable development
  • application of renewable energies
  • high-performance building materials
  • energy conservation and management
  • environment and economic evaluation

Published Papers (4 papers)

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Research

20 pages, 2910 KiB  
Article
The Quantification of Carbon Emission Factors for Residential Buildings in Yunnan Province
by Wuyan Li, Qinyao Li, Chubei Zhang, Sike Jin, Zhihao Wang, Sheng Huang and Shihan Deng
Buildings 2024, 14(4), 880; https://doi.org/10.3390/buildings14040880 - 25 Mar 2024
Viewed by 604
Abstract
The carbon emissions released from buildings are correlated with various factors in social and economic systems. Thus, quantifying and then controlling those factors can decrease the release of carbon emissions further. To quantify the influencing factors of the carbon emissions of residential buildings [...] Read more.
The carbon emissions released from buildings are correlated with various factors in social and economic systems. Thus, quantifying and then controlling those factors can decrease the release of carbon emissions further. To quantify the influencing factors of the carbon emissions of residential buildings in Yunnan Province in China, separately for urban and rural areas, this study adopted the methods of utilizing the carbon emission factor and the LMDI model and combined them with the carbon emissions data obtained from 2010 to 2019. Subsequently, with this model, the contribution of each factor to the overall carbon emissions was quantified. The results demonstrate the following: (1) the main factors influencing carbon emissions from residential buildings include the per capita floor area, energy consumption per unit area, energy intensity effect, energy structure effect, urbanization rate, and population size. (2) For urban buildings, carbon emissions are negatively correlated with the energy consumption per unit area, energy intensity effect, and energy structure effect, with contribution values of 0.34, 0.27, and 0.05, respectively. Conversely, there is a positive correlation with the per capita floor area, urbanization rate, and population size, with contribution values of 0.23, 0.11, and 0.01, respectively. (3) For rural buildings, carbon emissions are negatively correlated with urbanization rate, energy intensity effect, and energy structure effect, with contribution values of 0.16, 0.15, and 0.14, respectively. Conversely, there is a positive correlation with the per capita floor area, energy consumption per unit area, and population size, with contribution values of 0.29, 0.24, and 0.02, respectively. Full article
(This article belongs to the Special Issue Sustainable Building Technology and High-Performance Building Engineering)
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16 pages, 7202 KiB  
Article
Numerical Study of the Solar Energy-Powered Embedded Pipe Envelope System
by Linfeng Wang, Chiu Chuen Onn, Bee Teng Chew, Wuyan Li and Yongcai Li
Buildings 2024, 14(3), 613; https://doi.org/10.3390/buildings14030613 - 26 Feb 2024
Viewed by 499
Abstract
This study introduces a Solar Energy-Powered Embedded Pipe Envelope System (SEPES) designed to enhance indoor thermal comfort and reduce heating loads during the heating season. To achieve this objective, a dynamic simulation model coupling a SEPES and building thermal environment was established under [...] Read more.
This study introduces a Solar Energy-Powered Embedded Pipe Envelope System (SEPES) designed to enhance indoor thermal comfort and reduce heating loads during the heating season. To achieve this objective, a dynamic simulation model coupling a SEPES and building thermal environment was established under the TRNSYS environment. Based on the model, a case analysis was conducted to investigate the operational characteristics of the system during the heating season in a rural building in Beijing. The results indicate that, on the coldest heating day, the system can elevate the indoor temperature by 14.5 °C, reducing the daily heat load from 76.3 kWh to 20.3 kWh, achieving a remarkable energy savings of 73.4%. Additionally, due to the utilization of lower solar heat collection temperatures, the energy efficiency of the system reaches 26.9%. Throughout the entire heating season, the SEPES system enhances the natural indoor temperature by 13.3 °C to 16.6 °C, demonstrating significant effectiveness. Moreover, regional adaptability analysis indicates that the SEPES achieves energy savings ranging from 43.9% to 66% during the heating season in cold regions and regions with hot summers and cold winters in China. Overall, the SEPES is most suitable for climates characterized by both low temperatures and abundant solar radiation in order to achieve optimal performance. Full article
(This article belongs to the Special Issue Sustainable Building Technology and High-Performance Building Engineering)
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17 pages, 1716 KiB  
Article
Research of Heat Tolerance and Moisture Conditions of New Worked-Out Face Structures with Complete Gap Spacings
by Nurlan Zhangabay, Marco Bonopera, Islambek Baidilla, Akmaral Utelbayeva and Timur Tursunkululy
Buildings 2023, 13(11), 2853; https://doi.org/10.3390/buildings13112853 - 14 Nov 2023
Cited by 2 | Viewed by 632
Abstract
In this work, two new face structures of the open-air protection fence were investigated, where a method was proposed for analyzing the condensation of water vapor in the protection fence to search for a condensation zone. Another method for calculating the amount of [...] Read more.
In this work, two new face structures of the open-air protection fence were investigated, where a method was proposed for analyzing the condensation of water vapor in the protection fence to search for a condensation zone. Another method for calculating the amount of condensed vapor in a multiwall protection fence with closed gap spacings was proposed. The analytical results illustrated that the magnitude of the range of temperature variations of the worked-out structures with gap spacings and without heat-reflecting screens was 7.14% lower, while the existence of heat-reflective screens reduced this value to 27.14%. The investigation of the water vapor transmission magnitude demonstrated that the steam permeability strength of the interior side and retaining walls of the developed buildings amounts to the standard one, while the usage of a locked air space with a thermo-reflective panel allows the movement of the appropriate condensing region over the external face of the fencing. Mass analysis of the precipitated vapor during the heating time of 1 m2 of the retaining wall showed that in face structures in closed gap spacings with heat-reflective screens, the mass of the precipitated vapor was 24.8% greater relative to that of the face without heat-reflective screens. Moreover, the examination of the absence of distillation in the oxygenated gap spacing proved that, in the gap spacing in the considered face structures, the condensate does not fall out such that there is no aggregation of humidity according to the annual balance. Furthermore, the drying time of the face structure with heat-reflecting screens was 17.9% longer than that of the traditional one. The research results can complement the works performed earlier by the authors, as well as be applied in the engineering and construction of buildings to save thermal power, considering the climatic features of the development region. Full article
(This article belongs to the Special Issue Sustainable Building Technology and High-Performance Building Engineering)
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27 pages, 5815 KiB  
Article
Numerical Analysis of Steam Ejector Performance with Non-Equilibrium Condensation for Refrigeration Applications
by Yu Lei, Shengyu Li, Jun Lu, Ye Xu, Yong Yong and Dingding Xing
Buildings 2023, 13(7), 1672; https://doi.org/10.3390/buildings13071672 - 29 Jun 2023
Cited by 5 | Viewed by 1426
Abstract
In recent years, there has been great interest in developing cooling systems with humidity- and temperature-independent control capabilities that can operate efficiently at varying temperatures. This paper proposes a bi-loop double-evaporator ejection–compression cycle, which utilizes low-grade heat and is suitable for the construction [...] Read more.
In recent years, there has been great interest in developing cooling systems with humidity- and temperature-independent control capabilities that can operate efficiently at varying temperatures. This paper proposes a bi-loop double-evaporator ejection–compression cycle, which utilizes low-grade heat and is suitable for the construction industry. The proposed cycle involves the concurrent operation of a vapor compression cycle and an ejector refrigeration cycle that enables it to handle altered pressure levels and operate with varying compression ratios all the way to a common condenser pressure. Conventional computational fluid dynamics (CFD) approaches often model steam as an ideal gas with single-phase flow. In contrast, this research employs the wet steam model to optimize ejector geometry. The wet steam model takes into account non-equilibrium water vapor condensation, thus providing a more precise assessment of spontaneous condensation behavior and its impact on ejector performance. When compared to the conventional dry gas model, the use of the wet steam model dramatically decreases the entrainment ratio error from 16.24% for single-phase steam to 3.92% when compared to experimental data. This study concentrates on four critical attributes of wet steam, including Mach number, droplet nucleation rate, average droplet radius, and liquid mass fraction, to develop a strategy for enhancing ejector performance and efficiency. The study demonstrates that optimal area and primary nozzle diameter ratios for the steam ejector are 5 and 2.4, respectively. Increasing the area ratio mitigates condensation intensity, thereby reducing the liquid mass fraction in the diffuser. Overall, this paper provides valuable insights into improving and optimizing ejector performance, thus highlighting the importance of considering the behavior of spontaneous condensation in ejector design and modeling. Full article
(This article belongs to the Special Issue Sustainable Building Technology and High-Performance Building Engineering)
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