Energy and Buildings最新文献

{"title":"On renewable energy community implementation in historic cities: A city-scale validated model","authors":"Elena Tarpani ,&nbsp;Tianzhen Hong ,&nbsp;Ilaria Pigliautile ,&nbsp;Wanni Zhang ,&nbsp;Kaiyu Sun ,&nbsp;Benedetta Pioppi ,&nbsp;Anna Laura Pisello","doi":"10.1016/j.enbuild.2025.115709","DOIUrl":"10.1016/j.enbuild.2025.115709","url":null,"abstract":"<div><div>Renewable Energy Communities (RECs) have emerged as a key strategy for transforming global energy management, promoting renewable energy generation and sharing, particularly through building-integrated photovoltaic (PV) systems. This innovative study focuses on designing a REC that facilitates renewable energy sharing between suburbs and historic city centers, where renewables installation is often constrained. Using city-scale energy simulations for the city of Perugia, Italy, the study evaluates electricity demand and potential PV production in two zones – northern and southern – each served by a unique primary energy station. Results revealed that multi-family houses in historic areas were the main contributors to overall electricity demand, while large offices had the highest average monthly consumption, particularly in summer. In the PV production analysis, increasing roof coverage to 70% significantly increased energy generation, with single-family houses in the northern zone producing up to 4 kWh more, daily, compared to 30% coverage. Mixed-use REC configurations (residential and commercial) achieved an optimal balance between self-sufficiency and energy exported to the grid, with average monthly shared energy reaching 32.4 kWh and 61.5 kWh in northern and southern areas, respectively. This study significantly contributes to demonstrating the feasibility of using suburbs-generated renewable energy to support energy innovation of historic city centers where restrictions on renewables installation are common. Findings underscore the potential for scalable, replicable REC models across other historic cities with similar constraints, but different climates and regulations. Such insights offer a pioneering model that bridges the gap between energy efficiency and heritage conservation in urban planning.</div></div>","PeriodicalId":11641,"journal":{"name":"Energy and Buildings","volume":"338 ","pages":"Article 115709"},"PeriodicalIF":6.6,"publicationDate":"2025-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143823680","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Multi-scale impact of urban building function and 2D/3D morphology on urban heat island effect: a case study in Shanghai, China","authors":"Liyuan Guo,&nbsp;Shouhang Du,&nbsp;Wenbin Sun,&nbsp;Deqin Fan,&nbsp;Yuhui Wu","doi":"10.1016/j.enbuild.2025.115719","DOIUrl":"10.1016/j.enbuild.2025.115719","url":null,"abstract":"<div><div>In the process of urbanization, building functions and morphologies affect the urban heat island (UHI) effect. However, existing studies lack influence analysis of the building function and cross-scale effects on UHI. In this study, the land surface temperature (LST) of Shanghai was retrieved using Radiative Transfer Equation (RTE), Mono-Window (MW), and Split Window (SW) algorithms. Building functions were classified, and influencing factors of building morphology and function were calculated at various scales. Finally, a multi-scale analysis was conducted using Pearson correlation coefficient and Random Forest model. The results show that: 1) MW algorithm had the highest accuracy in LST retrieval. Among the building classification results, residential buildings were the most (65.11 %), while transportation buildings were the least (1.9 %). 2) As the analysis scale increased, although the correlation coefficients generally showed an increasing trend, have a downward trend at 3000–4000 m. The correlation coefficients of residential and commercial type proportion, building density and coverage ratio all transition from moderate to strong correlations and were larger than those of other factors at almost every scale, with a significant impact on LST. 3) The dominant factors influencing LST varied across different scales. The contribution of building coverage ratio and industrial type proportion to LST at all scales has been large. These findings provide scientific references for urban planning, architecture, and thermal environment governance.</div></div>","PeriodicalId":11641,"journal":{"name":"Energy and Buildings","volume":"338 ","pages":"Article 115719"},"PeriodicalIF":6.6,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143844424","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Introducing the environmental justice perspective in the evaluation of NbS implementation; Chania, Crete case study","authors":"Thodoros Glytsos ,&nbsp;Angeliki Mavrigiannaki ,&nbsp;Eleftheria Kalogirou ,&nbsp;Babis Litos ,&nbsp;Petroula-Sofia Anastasiadou ,&nbsp;Dionysia Kolokotsa","doi":"10.1016/j.enbuild.2025.115736","DOIUrl":"10.1016/j.enbuild.2025.115736","url":null,"abstract":"<div><div>Nature-based Solutions (NbS) can address environmental and societal challenges that have emerged in modern cities. However, a challenge that arises with the implementation of NbS is achieving a just distribution of their benefits. A significant body of research discusses the unequal distribution of green spaces and their benefits in cities around the world in the framework of environmental justice discourse. Research on the intersection of NbS benefits and distributive environmental justice has mainly studied the city scale and there is a lack of studies on how small scale NbS interventions affect the local population on a neighborhood scale and their role in addressing distributive environmental justice. In Chania, a green wall and green roof are planned to be implemented on the 5-storey municipal parking building, in a concrete dominated area of the city centre. With this small-scale NbS implementation as a starting point, this paper evaluates its prospective impact on thermal comfort and air quality as well as its implications in distributional justice for the neighborhood. Established indicators for NbS performance and impact evaluation have been calculated: 1. Number of days during which air quality parameters in ambient air exceed threshold values for air quality evaluation and 2. Physiological Equivalent Temperature (PET) for thermal comfort evaluation. The results indicate the limited, localized potential of the planned NbS and the need for a network of strategically planned small-scale NbS to achieve environmental justice in existing dense urban environments.</div></div>","PeriodicalId":11641,"journal":{"name":"Energy and Buildings","volume":"338 ","pages":"Article 115736"},"PeriodicalIF":6.6,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143833870","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Optimising energy flexibility in Finnish residential buildings: A comparative study of PI, rule-based and model predictive control strategies","authors":"Rakesh Ramesh ,&nbsp;Hassam Ur Rehman ,&nbsp;Ala Hasan ,&nbsp;Leena Eerolainen ,&nbsp;Hang Yin ,&nbsp;Mohamed Hamdy","doi":"10.1016/j.enbuild.2025.115727","DOIUrl":"10.1016/j.enbuild.2025.115727","url":null,"abstract":"<div><div>As integral components of urban infrastructure, buildings play a crucial role in maintaining occupant well-being, especially during extreme weather conditions. This research presents a model predictive control (MPC) approach to harnessing the energy flexibility of buildings by utilising their thermal mass to cost-effectively manage the energy use. The study compares two apartment buildings located in the Nordic climate of Helsinki, Finland: one built in the 1970s and a modern positive energy building (PEB) with a high-performance envelope exceeding the minimum requirements of national building regulations. Three control strategies are evaluated for building thermal mass activation: Proportional-Integral (PI) control as a standard strategy for thermal comfort, Rule-Based Control (RBC) as a cost-based benchmark strategy and an advanced MPC as an innovative energy-flexible strategy for cost-savings. The three investigated control strategies are implemented by interfacing IDA ICE building energy performance simulation software with the programming environment, Python as a master controller. The study aims to optimise the operation of the building’s energy systems in real-time, minimising energy costs while maintaining comfort constraints by adjusting temperature setpoints based on dynamic weather conditions and occupant behaviour by applying the adaptive thermal comfort model. The results, obtained from simulations, demonstrate that the MPC provided the highest cost savings, particularly under high and fluctuating price conditions. In the 1970s building, MPC achieved up to 29.9 % cost savings compared to PI control, while RBC achieved up to 17.2 % savings. In the modern PEB, MPC resulted in up to 14.8 % cost savings, with RBC achieving up to 7.9 % savings. These findings highlight MPC’s potential to improve energy efficiency and resilience in buildings, especially in cold climates.</div></div>","PeriodicalId":11641,"journal":{"name":"Energy and Buildings","volume":"338 ","pages":"Article 115727"},"PeriodicalIF":6.6,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143838248","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A techno-economic assessment framework for district-scale thermal source networks serving existing buildings","authors":"Alireza Etemad ,&nbsp;Alessandro Maccarini ,&nbsp;Donal Finn ,&nbsp;Alireza Afshari ,&nbsp;Divyanshu Sood ,&nbsp;James O’Donnell","doi":"10.1016/j.enbuild.2025.115737","DOIUrl":"10.1016/j.enbuild.2025.115737","url":null,"abstract":"<div><div>Thermal Source Network (TSN)s are ultra-low-temperature district heating systems that use decentralised heat pumps, offering significant potential for urban heating decarbonization. While previous research has extensively examined the application of TSNs in newly constructed, energy-efficient buildings, studies on their feasibility in older, inefficient building stocks remain limited and less systematically explored. This study introduces a techno-economic framework to evaluate the feasibility of connecting districts with older, low-rated buildings to TSNs. The framework provides a systematic approach to assess economic viability, using Levelised Cost of Heat (LCOH) as a financial metric, and environmental performance. By integrating GIS-based Energy Performance Certificates (EPC) data and building archetype models, it estimates district heat demand, calculates the necessary network and equipment capacities, and evaluates the economic and environmental impacts of TSNs at different building-level temperatures. The study also reviews strategies for reducing Space Heating Water Temperature (SHWT) at the building level, including their costs and potential to achieve lower SHWT targets. The analysis compares TSNs with other heat electrification scenarios, including centralised district heating with Ground-Source Heat Pump (GSHP) and Air-Source Heat Pump (ASHP), and individual ASHPs. The results indicate that TSNs are the most economically attractive solution when substations are owned by the district heating company, mainly due to the lower electricity prices for businesses in the studied case. In contrast, centralised district heating becomes the most viable option when substations are owned by households, which incur higher electricity prices. TSNs also provide significant environmental advantages, with lower operational carbon footprints compared to other alternatives. For TSNs, every 1 <span><math><msup><mrow></mrow><mo>∘</mo></msup></math></span>C reduction in building SHWT reduces the LCOH with environmental externalities by 1.99 to 2.24 €/MWh_heat, depending on the system configuration. This study evaluates ownership and pricing policies, demonstrating how centralised ownership and business electricity tariffs enhance the economic feasibility of TSNs. By addressing an important gap in the literature, this study offers a structured approach for policymakers to enhance the feasibility of TSNs in older areas through targeted retrofitting and heating system optimization, supporting their adoption as a scalable and sustainable solution for urban heating systems, particularly in districts with ageing building stocks.</div></div>","PeriodicalId":11641,"journal":{"name":"Energy and Buildings","volume":"338 ","pages":"Article 115737"},"PeriodicalIF":6.6,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143829491","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A lightweight efficient model for household edge-side non-intrusive load monitoring","authors":"Jingze Li ,&nbsp;Mao Tan ,&nbsp;Wei Liu ,&nbsp;Kang Li ,&nbsp;Ling Wang","doi":"10.1016/j.enbuild.2025.115700","DOIUrl":"10.1016/j.enbuild.2025.115700","url":null,"abstract":"<div><div>Non-Intrusive Load Monitoring (NILM) gets the total electricity consumption data of a household through meters and separates the individual loads by learning the patterns of their energy consumption. Due to considerations of cost-effectiveness in household scenarios and the development of smart meters, NILM models should be deployed to edge devices with limited computational capability. Therefore, the size, complexity, and accuracy of these models are the key points of this paper’s focus. In this paper, we propose a lightweight model that can be deployed on edge devices. In this model, a feature extraction module is proposed to fully mine the load features for accurate disaggregation. Experiments on a public dataset show that the accuracy of the proposed model reaches the level of currently available complex models, and the size of the model is only 0.18 MB.</div></div>","PeriodicalId":11641,"journal":{"name":"Energy and Buildings","volume":"339 ","pages":"Article 115700"},"PeriodicalIF":6.6,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143882173","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Prosumers and district heating: Experimental validation of strategies to improve thermal energy production and consumption","authors":"Paolo Sdringola ,&nbsp;Mauro Pipiciello ,&nbsp;Mattia Ricci ,&nbsp;Federico Gianaroli ,&nbsp;Diego Menegon ,&nbsp;Federico Trentin ,&nbsp;Francesco Turrin ,&nbsp;Biagio Di Pietra","doi":"10.1016/j.enbuild.2025.115713","DOIUrl":"10.1016/j.enbuild.2025.115713","url":null,"abstract":"<div><div>The European Union targets a 55 % reduction in greenhouse gas emissions by 2030 and climate neutrality by 2050, emphasizing decarbonisation in energy sectors. District Heating Networks with thermal prosumers and bidirectional substations are critical to decarbonize the heating sector by integrating renewable energy sources. The paper analyses how to enhance the share of renewable energy sources used by a thermal prosumer. Various strategies, including heat pump integration, are experimentally studied to improve the prosumer’s energy self-consumption in a district heating network operating at two temperature levels (80/50 °C and 60/30 °C for supply and return), utilizing the hardware-in-the-loop technique to couple the substation in real-time with data-driven profiles for thermal loads (multi-family residential buildings) and production (solar panels). Energy flows are analysed for representative days and then extrapolated to calculate yearly results. The implemented strategies were found to be effective in terms of user’s self-sufficiency: the energy produced by solar panels and used to cover the thermal demand increased across all case studies i.e., from 8 % to 27 % for non-renovated buildings operating with high-temperature network, from 14 % to 26 % for renovated buildings with low-temperature network. The share of self-consumption increased from 13 % to 30 %, and from 10 % to 15 % respectively, and the production from renewable sources was enhanced (up to 39 %). With net metering, local energy surplus can be utilized beyond production periods, achieving 58 % self-consumption when integrating a heat pump. The results can support stakeholders in developing efficient district heating systems, particularly in the context of potential thermal energy communities.</div></div>","PeriodicalId":11641,"journal":{"name":"Energy and Buildings","volume":"338 ","pages":"Article 115713"},"PeriodicalIF":6.6,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143847784","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Impact of climate change on the energy demand of buildings utilizing wooden prefabricated envelopes in cold weather","authors":"Jeremy Piggot-Navarrete,&nbsp;Pierre Blanchet,&nbsp;Matheus Roberto Cabral,&nbsp;Antoine Cogulet","doi":"10.1016/j.enbuild.2025.115714","DOIUrl":"10.1016/j.enbuild.2025.115714","url":null,"abstract":"<div><div>Global energy demand continues to increase, and climate change is affecting the energy consumption of buildings. Wooden Prefabricated Wall Panel (WPWP) systems could represent a hygrothermally efficient solution to reduce buildings’ energy demand in the current and future climate scenarios. Therefore, this study aimed to evaluate and compare the impact of climate change on the energy demand of buildings utilizing prefabricated envelopes in the cold weather of Quebec, Canada. This study used dynamic simulations on a mid-rise residential building prototype for the 2020 climate scenario and the predictive scenarios of 2050 and 2080 (RCP 8.5 model), utilizing the software DesignBuilder and the EnergyPlus calculation tool. Simulations were conducted on the same building model using three different types of wooden wall systems separately: standard WPWP, optimized WPWP, and a traditional on-site wall system for reference comparison. Results indicate that WPWP systems consistently exhibit superior energy performance compared to the conventional envelope across all climate scenarios, with the optimized one showing the lowest energy demand levels. In all cases analyzed, heating demand decreased by approximately 25 % when comparing the 2020 period to 2080, while cooling demand increased by 91–116 %, depending on the building envelope. The total annual energy demand in each case showed reductions of 1–5 % projected by 2080. The most significant contributions to the envelope’s thermal performance by the WPWP systems were observed during the nighttime period.</div></div>","PeriodicalId":11641,"journal":{"name":"Energy and Buildings","volume":"338 ","pages":"Article 115714"},"PeriodicalIF":6.6,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143838246","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Enhancing energy storage capability for renewable energy systems through advanced cement-based supercapacitors","authors":"Caiyu Zhao ,&nbsp;Wenkui Dong ,&nbsp;T.M. Indra Mahlia ,&nbsp;Long Shi ,&nbsp;Kejin Wang ,&nbsp;Surendra P. Shah ,&nbsp;Wengui Li","doi":"10.1016/j.enbuild.2025.115732","DOIUrl":"10.1016/j.enbuild.2025.115732","url":null,"abstract":"<div><div>As global warming worsens, countries around the world have developed policies to reduce carbon emissions and accelerate the transition to renewable energy. Recently, cement-based supercapacitors have attracted significant attention due to their low energy consumption and multifunctionality, offering a promising solution for large-scale energy storage in renewable energy systems. This review provides an overview of the advancements, mechanism and characterization of cement-based supercapacitors, followed by an analysis of performance studies on mechanical and electrochemical properties based on cement types, water to cement (W/C) ratio, curing age, additives, and various electrodes of contemporary interest. The progress in overcoming issues related to the energy storage capacity and mechanical properties of polymer modified cement-based electrolytes is analyzed. In addition, high-performance and long-lifespan electrodes modified by nanomaterials and metal oxides are essential for establishing highly efficient cement-based supercapacitors. The multifunctionality of these materials is further discussed, emphasizing mitigating intrinsic contradictions is key to large-scale production and commercialization. Finally, perspectives are provided on the future development requirements of advanced cement-based supercapacitors, focusing on sustainability, economic promotion, social impact, and industrial stability. This review not only provides direction for researchers in renewable energy storage but also offers valuable insights for achieving energy savings and carbon neutrality.</div></div>","PeriodicalId":11641,"journal":{"name":"Energy and Buildings","volume":"338 ","pages":"Article 115732"},"PeriodicalIF":6.6,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143833867","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Energy efficiency and comfort: analysis of thermal responses and behaviors of residents with high and low air conditioning dependency","authors":"Haiyan Yan ,&nbsp;Yu Pan ,&nbsp;Mengru Dong ,&nbsp;Hui Zhang ,&nbsp;Jiang Li ,&nbsp;Shengkai Zhao","doi":"10.1016/j.enbuild.2025.115695","DOIUrl":"10.1016/j.enbuild.2025.115695","url":null,"abstract":"<div><div>The widespread use of split air conditioners (SAC) in Chinese residences has a significant impact on energy consumption. This study examines SAC usage behaviors in Jiaozuo, Henan Province, through environmental measurements and resident surveys. Using the entropy weight method, SAC users were classified into high air conditioning dependency (HACD) and low air conditioning dependency (LACD) groups. While both groups experienced similar outdoor heat conditions (P &gt; 0.05), HACD residents maintained significantly lower indoor temperatures (P = 0.002). However, there were no significant differences in heat sensation, thermal comfort, or acceptability between the two groups (P &gt; 0.05). LACD residents demonstrated greater adaptability to higher temperatures by adopting diverse low-carbon strategies, such as natural ventilation, fan usage, and clothing adjustments. As a result, LACD residents exhibited behavioral patterns associated with lower air-conditioning energy use, underscoring the potential for energy savings through adaptive cooling strategies. Using Interpretive Structural Modeling (ISM) and Matrice d’Impacts Croisés Multiplication Appliquée à un Classement (MICMAC) analysis, the study identified economic conditions, outdoor environment, and climatic region as deep-level factors influencing air conditioning behaviors through residential environment, individual differences, and attitude awareness. These findings provide a theoretical basis for promoting energy-efficient, comfortable, and sustainable air conditioning practices.</div></div>","PeriodicalId":11641,"journal":{"name":"Energy and Buildings","volume":"338 ","pages":"Article 115695"},"PeriodicalIF":6.6,"publicationDate":"2025-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143821226","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}