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Energy Systems and Thermal Management for Sustainable Buildings
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Energy Systems and Thermal Management for Sustainable Buildings

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "G: Energy and Buildings".

Deadline for manuscript submissions: 30 July 2024 | Viewed by 5432

Special Issue Editors

Dr. Haifeng Jiang

E-Mail Website
Guest Editor
Associate Professor, School of Power and Mechanical Engineering, Wuhan University, Wuhan 430072, China
Interests: solar energy; energy harvesting and conversion; heat transfer
Dr. Junxian Pei

E-Mail Website
Guest Editor
College of Water Resource & Hydropower, Sichuan University, Chengdu, Sichuan 610065, China
Interests: micro–nano fluids; energy transfer and conversion

Special Issue Information

Dear Colleagues,

According to the International Energy Agency 2021 report, energy consumption for building cooling has more than tripled over the past three decades, with cooling accounting for nearly 20% of total building electricity use. The demand for cooling will continue to grow for many years to come due to improving global economic conditions and changing regional climate. Under current policies and technologies, more than 13 new cooling devices are expected to be installed worldwide every second by 2050. In addition to concerns about high energy consumption, the large-scale use of refrigeration equipment based on vapor-compression cycle will bring with some environmental hazards, such as increased greenhouse gas emissions and ozone layer depletion, which in turn will increase the demand for cooling.

In recent years, sustainable buildings have received widespread attention around the world, with the aim of reducing energy consumption and protecting the environment. Efficient energy systems and effective thermal management are key to achieving building sustainability. To this end, a Special Issue titled “Energy Systems and Thermal Management for Sustainable Buildings” was proposed here to gather review and original research papers focused on materials, processes, and technologies with applications on sustainable buildings.

Dr. Haifeng Jiang
Dr. Junxian Pei
Guest Editors

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. Energies is an international peer-reviewed open access semimonthly 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

  • sustainable building
  • building energy conservation
  • energy saving system
  • thermal management
  • passive building cooling
  • indoor thermal comfort
  • novel materials for energy efficiency

Published Papers (3 papers)

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Research

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15 pages, 5211 KiB  
Article
Measurement Data-Based Estimation of the Suitability of Existing Properties for the Operation of x to Water Heat Pumps Using a Seed of 100 Multi-Family Houses and Different Power Shifting Approaches
by Simon Jurkschat, Florian Felix Sehr, Karsten Fransen, Andre Beblek and Viktor Grinewitschus
Energies 2023, 16(21), 7352; https://doi.org/10.3390/en16217352 - 31 Oct 2023
Viewed by 588
Abstract
The German government’s ambitious goal of achieving CO2 neutrality by 2045 has prompted a focus on improving building insulation as a vital step toward energy efficiency. However, in this process, existing radiators and boilers are often left unchanged. Moreover, during the construction [...] Read more.
The German government’s ambitious goal of achieving CO2 neutrality by 2045 has prompted a focus on improving building insulation as a vital step toward energy efficiency. However, in this process, existing radiators and boilers are often left unchanged. Moreover, during the construction of buildings, heating systems are often designed with excess capacity to ensure there is no risk of insufficient heat supply during operation. This research presents various approaches to reduce the required radiator supply temperature, utilizing data from a study conducted in 100 multifamily buildings. The approaches encompass reducing the heat reserve, shifting the heat output, optimizing radiator utilization, and conducting heat demand analysis. The findings reveal that in pre-existing buildings equipped with radiators, it is possible to significantly lower supply temperatures without affecting the indoor temperature. Applied on the seed, reducing the heat reserve could reduce the median temperature by 18.5 K, thus curtailed by the most utilized radiator in the median to 7 K. Furthermore, the heat demand analysis showed that the consumption could decrease in the median by 13%, the peaks in median even by 29%. While each approach is analyzed individually, their combined implementation has the potential to considerably enhance the efficiency of water-to-water heat pumps, thanks to the reduced requirement for high supply temperatures. Full article
(This article belongs to the Special Issue Energy Systems and Thermal Management for Sustainable Buildings)
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11 pages, 1920 KiB  
Article
A Triple-Layer Membrane with Hybrid Evaporation and Radiation for Building Cooling
by Mingran Mao, Chunzao Feng, Junxian Pei, Huidong Liu and Haifeng Jiang
Energies 2023, 16(6), 2750; https://doi.org/10.3390/en16062750 - 15 Mar 2023
Cited by 1 | Viewed by 1662
Abstract
Passive cooling for thermal comfort improvement has received extensive attention for its low energy consumption. However, most of the existing passive cooling technologies require a complex system design and supporting equipment, since they cool the ambient air. Herein, we propose a hybrid evaporative [...] Read more.
Passive cooling for thermal comfort improvement has received extensive attention for its low energy consumption. However, most of the existing passive cooling technologies require a complex system design and supporting equipment, since they cool the ambient air. Herein, we propose a hybrid evaporative and radiative cooling membrane with a hygroscopic hydrogel sandwiched by two layers of a porous polyethylene aerogel (PEA). The hydrogel implements evaporative cooling. Combining the high solar reflection of PEA and the high infrared emissivity of hydrogel, this hybrid membrane also possesses radiative cooling. In addition, the high infrared transmittance and low thermal conductivity of PEA allow direct heat transfer between the hydrogel and human body, instead of the ambient air. Through comparative experiments and theoretical calculations, it is indicated that the net cooling power delivered by the hybrid membrane to the human body is up to 78.45 W m−2, which is much higher than that of conventional radiative cooling materials. Outdoor demonstration shows that emission below the hybrid membrane can achieve an average sub-ambient temperature drop of 6 °C, with a maximum of 14 °C, showing great potential for passive building cooling and human personal cooling. Full article
(This article belongs to the Special Issue Energy Systems and Thermal Management for Sustainable Buildings)
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Review

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20 pages, 905 KiB  
Review
Energy Management in Modern Buildings Based on Demand Prediction and Machine Learning—A Review
by Seyed Morteza Moghimi, Thomas Aaron Gulliver and Ilamparithi Thirumai Chelvan
Energies 2024, 17(3), 555; https://doi.org/10.3390/en17030555 - 23 Jan 2024
Viewed by 2423
Abstract
Increasing building energy consumption has led to environmental and economic issues. Energy demand prediction (DP) aims to reduce energy use. Machine learning (ML) methods have been used to improve building energy consumption, but not all have performed well in terms of accuracy and [...] Read more.
Increasing building energy consumption has led to environmental and economic issues. Energy demand prediction (DP) aims to reduce energy use. Machine learning (ML) methods have been used to improve building energy consumption, but not all have performed well in terms of accuracy and efficiency. In this paper, these methods are examined and evaluated for modern building (MB) DP. Full article
(This article belongs to the Special Issue Energy Systems and Thermal Management for Sustainable Buildings)
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