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Recent Energy and Built Environment Articles

Recently published articles from Energy and Built Environment.

Experimental study on the flow field and economic characteristics of parallel push-pull ventilation system

October 2020
Yi Wang | Mengfan Quan | Yu Zhou | Yingxue Cao | Chunbo Xie | Limei Li

•Three commonly used push pull ventilation systems are designed.•The flow field of different push pull ventilation systems is compared.•The economic characteristic of parallel push pull ventilation...

Effect of partial pit exhaust ventilation system on ammonia removal ratio and mass transfer coefficients from different emission sources in pig houses

October 2020
Li Rong

•Effects of partial pit exhaust locations on ammonia removal ratio.•Effects of partial pit exhaust locations on ammonia mass transfer coefficients.•Effects of partial pit exhaust ventilation on ammonia...

An Expandable, Contextualized and Data-Driven Indoor Thermal Comfort Model

October 2020
Seyed Masoud Sajjadian | Mina Jafari | Direnc Pekaslan

•This study aims to influence building performance by a multidisciplinary approach.•This study uses AI methods to predict thermal comfort level.•This study approaches thermal comfort prediction from...

Decomposing the drivers of residential space cooling energy consumption in EU-28 countries using a panel data approach

October 2020
Andreas Andreou | John Barrett | Peter G. Taylor | Paul E. Brockway | Zia Wadud

•Little is known about factors which drive air-conditioning (AC) energy consumption.•We decompose EU-28 space cooling factors for 2000-15 and model projections to 2050.•AC diffusion was found to be...

Investigation of transient and heterogeneous micro-climate around a human body in an enclosed personalized work environment

October 2020
Chong Wang | Sung-Jun Yoo | Shin-ichi Tanabe | Kazuhide Ito

•Basic equations for electric-strain gradient theory in piezoelectricity.•In silico human model is developed to evaluate micro climate formed in a PWE•Unsteady and heterogeneous indoor environments...

Deviation of design air-conditioning load based on weather database of reference weather year and actual weather year

October 2020
Z. Jiao | J. Yuan | C. Farnham | K. Emura

•Evaluated deviation of design heat loads between reference and actual weather years.•Found design heat loads of actual year fluctuate around those of reference year.•Found annual cooling load time...

Aerodynamics of railway train/tunnel system: A review of recent research

October 2020
Jiqiang Niu | Yang Sui | Qiujun Yu | Xiaoling Cao | Yanping Yuan

•Aerodynamics of railway train / tunnel system and their factors are discussed.•Formation mechanism and development of aerodynamic effects in tunnels are presented.•Relationship between aerodynamic...

Impact of residential building heating on natural gas consumption in the south of China: Taking Wuhan city as example

October 2020
Jiankai Dong | Yiru Li | Wenjie Zhang | Long Zhang | Yana Lin

•Calculate the index of gas consumption heating residential building in Wuhan city.•Forecast gas consumption of residential buildings with and without heating were.•Analyze impact of residential building...

Synthesis and thermal properties of nanoencapsulation of paraffin as phase change material for latent heat thermal energy storage

October 2020
Nan Zhang | Yanping Yuan

•Nanoencapsulated phase change materials (NanoPCMs) were prepared by in-situ polymerization.•NanoPCMs present the regular spherical shape with the average diameter of 260–450 nm.•The maximum encapsulation...

Experimental study on PM2.5 removal by magnetic polyimide loaded with cobalt ferrate

October 2020
Fashan Zhou | Yongfa Diao | Ruge Wang | Bingwen Yang | Teng Zhang

•A novel magnetic polyimide loaded with cobalt ferrite nanoparticles was proposed.•There existed the ρ-л conjugation between the cobalt ferrite and polyimide fiber.•The removal efficiency of PM2.5 was...

Comparative Analysis of Window Operating Behavior in Three Different Open-Plan Offices in Nanjing

Available online 13 August 2020
Jiawen Ren | Xin Zhou | Jingjing An | Da Yan | Xing Shi | Xing Jin | Shaoyan Zheng

•Window operating behavior in three different open-plan offices were compared.•Window operating behaviors of different office buildings have larger discrepancies.•The window operating behaviors had...

Application Analysis of Efficient Heat Dissipation of Electronic Equipment Based on Flexible Nanocomposites

Available online 12 August 2020
Dongsheng Yang | Qi Yao | Mintao Jia | Jun Wang | Lixin Zhang | Yingli Xu | Xi Qu

•The efficient cooling of electronic device was designed and analyzed.•A flexible ultra-high thermal conductivity nanocomposites material used.•Model analysis, simulation and experiment proved the ...

The Environmental and Financial Implications of Expanding the Use of Electric Cars - A Case Study of Scotland

Available online 12 August 2020
George Milev | Astley Hastings | Amin Al-Habaibeh

•The paper presents a novel case study on the effect of utilising electric cars.•Electric cars will cause further carbon emission production via the grid.•However, the overall carbon emission is expected...

Numerical simulations on atmospheric stability conditions and urban airflow at five climate zones in China

Available online 1 August 2020
Guoxing Chen | Li Rong | Guoqiang Zhang

•Identification of atmospheric stability at five climates of China•Investigation on diurnal variability of spatially-averaged flow properties•Effects of two building layouts on airflow patterns under...

Monitoring and evaluation of building ventilation system fans operation using performance curves

July 2020
Mahendra Singh | Muhyiddine Jradi | Hamid Reza Shaker

•Monitoring and evaluation of building ventilation fans operation are addressed.•A performance test for the ventilation unit fan is developed in the paper.•The test uses on-site measured data and a...

Combining push-pull airflow and top draft hood for local exhaust of tyre vulcanization process

July 2020
Kai Liu | Shengwei Yang | Lingjie Zeng | Jun Gao | Yumei Hou | Changsheng Cao | Bo Shi | Xiangjin Mo | Qingyu Zhang | Chun Hou

•A push-pull airflow combined with draft hoods for local exhaust in rubber workshops.•Push velocity, hood height and exhaust rate are optimized to improve performance.•The ventilation appliance can...

Decreasing inhaled contaminant dose of a factory worker through a hybrid Emergency Ventilation System: Performance evaluation in worst-case scenario

July 2020
Alicia Murga | Zhengwei Long | Sung-Jun Yoo | Eisaku Sumiyoshi | Kazuhide Ito

•Displacement ventilation is enhanced by a push-pull system to reduce exposure.•Non-permanent hybrid ventilation lowers contaminant but keeps ventilation rate.•A computer simulated person is used to...

Energy consumption pattern and indoor thermal environment of residential building in rural China

July 2020
Baiyi Li | Liyao You | Min Zheng | Yao Wang | Ziguang Wang

•The energy consumption structure of rural households in Guanghan, China was investigated.•The building energy consumption pattern of rural households was analyzed.•The indoor environmental parameters...

Investigation of thermal environment and the associated energy consumption of transportation buildings along the expressways in the cold region of China: A case study

July 2020
Xiangfei Kong | Xu Qiao | Guangpu Yuan

•Thermal comfort of transportation buildings alongside the expressways was evaluated.•Energy consumption performance of these transportation buildings was studied.•The main influencing factors of energy...

CFD performance analysis of finned-tube CO2 gas coolers with various inlet air flow patterns

July 2020
Xinyu Zhang | Yunting Ge | Jining Sun

•Advanced CFD modelling method is used to analyse the CO2 gas cooler performance.•Reversed heat transfer and air-maldistributions are analysed by the CFD model.•The CO2 refrigerant temperature profiles...

Effect of traffic tidal flow on pollutant dispersion in various street canyons and corresponding mitigation strategies

July 2020
Zhengtong Li | Tianhao Shi | Yongjia Wu | Hao Zhang | Yu-Hsuan Juan | Tingzhen Ming | Nan Zhou

•Traffic tidal flow in different street canyons was studied.•Personal intake fractions of CO in street canyons were evaluated.•Wind catchers were introduced to reduce pollutant concentration....

Ventilation schemes for high-temperature buoyancy-driven plumes from spherical surfaces of a large-scale experimental facility

July 2020
Wenxuan Zhao | Wei Ye | Yu Xue | Chao Wu | Xu Zhang

•Ventilation for a large neutrino experimental station was investigated using CFD.•Ra numbers of air on spherical surfaces were (0.1–1.4) × 1014 by heating at 4200 W/m2.•Push-pull ventilation was effective...

Study on the impact of window shades’ physical characteristics and opening modes on air conditioning energy consumption in China

July 2020
Yutong Tan | Jinqing Peng | Charlie Curcija | Rongxin Yin | Lu Deng | Youming Chen

•A shading schedule of residential buildings is obtained through 949 questionnaires.•Two opening modes of window shades were considered.•Analyzed the six physical characteristics of window shades on...

What are the odds? On the determinants of high residential energy expenditure

July 2020
Giorgio Besagni | Marco Borgarello

•The determinants of high energy expenditure household have been analyzed.•Building, socio-demographic and appliances variables are significant determinants.•Odd ratio study is performed....

Indoor environmental quality (IEQ) assessment of Nigerian university libraries: A pilot study

Available online 31 July 2020
Williams P Akanmu | Sunday S Nunayon | Uche C Eboson

•This study presents an objective assessment of IEQ in university libraries.•The libraries' IEQ was poor, pointing to the need for interventions.•The mean indoor temperature ranged between 26°C and...

Impact of metabolism and the clothing thermal resistance on inpatient thermal comfort

Available online 28 July 2020
Hualing Zhang | Xunshu Xie | Shiyao Hong | Haitao Lv

•The improved inpatient's thermal comfort model presented.•The typical comfort diagrams of inpatients are proposed by solving the model.•Verify the model by field experiment data collected in general...

A Transparent Radiative Cooling Film for Building Energy Saving

Available online 26 July 2020
Zhitong Yi | Yingyan lv | Dikai Xu | Jingtao Xu | Hua Qian | Dongliang Zhao | Ronggui Yang

•A transparent radiative cooling (T-RC) film has been proposed for building energy saving.•The film can be applied on glazing for reducing solar absorption and improving infrared emission.•A maximum...

Empirical investigation to explore potential gains from the amalgamation of Phase Changing Materials (PCMs) and wood shavings

Available online 14 July 2020
Adham M. Mohammed | Amira Elnokaly | Abdel Monteleb M. Aly

•Panels containing PCM, Wood-shaving and PCM/wood-shavings amalgams are created.•Panels are subjected to heat profiles and their thermal performances were compared.•Heat peak reduction, heat peak shift...

Study of the automotive aerodynamic performance affected by entrance structure of forecabin

Available online 12 July 2020
Yuqi Huang | Shun Wang | Yuan Ji | Zhentao Liu

Recently, the requirement for cooling capacity decreased when the driving energy changed from liquid fuel to lithium batteries. Therefore, the structure and location of the forecabin could be adjusted...

Optimal Generation Mix for Frequency Response Adequacy in Future Power System

Available online 6 July 2020
Vivek Prakash | Kailash Chand Sharma | Rohit Bhakar

•Propose a novel exposition of optimal generation mix with the objective of reduced operation cost while maintaining systems’ frequency response ability.•Assess PFR adequacy with diversified generation...

Methane production from Sargassum muticum: effects of seasonality and of freshwater washes

Available online 6 July 2020
Supattra Maneein | John J. Milledge | Patricia J. Harvey | Birthe V. Nielsen

•Washing S. muticum altered CH4 production rates during anaerobic digestion.•Change in CH4 production rate after washing was dependent on harvesting season.•Different seasons and wash treatments yielded...

A review of intensified conditioning of personal micro-environments: Moving closer to the human body

Available online 6 July 2020
Bin Yang | Xin Ding | Faming Wang | Angui Li

•Intensified conditioning of personal micro-environments is reviewed.•Different systems are evaluated and useful findings are summarized.•Feasible applications, current gaps as well as future research...

Effect of the spectrally selective features of the cover and emitter combination on radiative cooling performance

Available online 6 July 2020
Mingke Hu | Suhendri | Bin Zhao | Xianze Ao | Jingyu Cao | Qiliang Wang | Saffa Riffat | Yuehong Su | Gang Pei

•A novel radiative cooler with spectral selectivity in the cover and the emitter.•The effect of spectral profile of the cover on radiative cooling behavior is studied.•The proposed radiative cooler...

New and Innovative Wind Catcher Designs to Improve Indoor Air Quality in Buildings

Available online 6 July 2020
Mamdooh Alwetaishi | Mohamed Gadi

•New design of wind catcher to improve indoor air quality•Air speed ait inlet and outlets of new designed wind catchers•CFD Fluent and experimental study involved•Curved shape of wind catcher investigation...

Investigation of low grade Thermal Energy Storage systems with Phase Changing Materials

Available online 24 June 2020
Law Torres Sevilla | Jovana Radulovic

•Paraffin wax is a good storage medium due to fast charging and good latent heat absorption.•The two designs follow the same heating dynamics independently of the final temperatures reached.•An addition...

A new ventilation mode of air conditioning in subway vehicles and its air distribution performance

Available online 15 June 2020
Zhiyuan Chang | Ke Yi | Weiwei Liu

•A new air supply mode of subway vehicles is proposed.•An index to evaluate the degree of air short circuit is proposed.•Energy utilization efficiency of new mode is higher than traditional mode.•New...

Evaluation Tool For The Thermal Performance of Retrofitted Buildings Using An Integrated Approach of Deep Learning Artificial Neural Networks and Infrared Thermography

Available online 15 June 2020
Amin Al-Habaibeh | Arijit Sen | John Chilton

•Estimating energy cost savings is important for planning buildings’ retrofitting.•Infrared thermography is used to assess building's temperature profile.•Neural networks are used to predict future...

Auditing and Design Evaluation of Building Automation and Control Systems based on eu.bac System audit – Danish Case Study

Available online 15 June 2020
Jacob Alstrup Engvang | Muhyiddine Jradi

•Building automation and control systems auditing based on EN 15232 Standard is investigated.•A case study of a 2500 m2 university office building was considered.•Two building automation and control...

Thermal Comfort models and their developments: A review

Available online 13 June 2020
Qiantao Zhao | Zhiwei Lian | Dayi Lai

•Reviewing thermal comfort models in different aspects•Analyzing the advantages and disadvantages of all the models in the review•Interpreting the importance of the models in different environments•Suggesting...

Analysis and Comparison of Potential Power and Thermal Management Systems for High-speed Aircraft with an Optimization Method

Available online 13 June 2020
A. Rong | Liping Pang | Xinying Jiang | Bin Qi | Yong Shi

•An advanced PTMS with an indirect regenerative air cycle is analyzed.•A comparison based on minimum fuel weight penalty optimization is proposed.•Optimal matching of the PTMS and flight mission is...

Natural Ventilation Design: Predicted and Measured Performance of a Hostel Building in Composite Climate of India

Available online 13 June 2020
Durva Gupta | Vaibhav Rai Khare

•CFD simulation of naturally ventilated Hostel building in Cradle scSTREAM•Simulation and validation of thermal comfort parameters for natural ventilation•Cross and Night ventilation were simulated...

Experimental study of oil mist characteristics generated from minimum quantity lubrication and flood cooling

Available online 29 May 2020
Yiwen Wang | Alicia Murga | Zhengwei Long | Sung-Jun Yoo | Kazuhide Ito

•Both the MQL and the flood cooling mode were investigated.•The effects of six parameters on oil mist formation were studied.•The oil mist studied covered the size range from 0.006 μm to 10 μm....

A Novel Demand-Responsive Control Strategy for District Heating Systems, featuring Return Temperature Reduction

Available online 28 May 2020
Hakan İbrahim Tol | Johan Desmedt | Robbe Salenbien

The paper presents a novel demand-responsive control strategy to be equipped centrally at the district level for district heating systems. The demand-responsive feature was maintained as to both the...

Future cities and autonomous vehicles: analysis of the barriers to full adoption

Available online 28 May 2020
Nacer Eddine Bezai | Benachir Medjdoub | Amin Al-Habaibeh | Moulay Larbi Chalal | Fodil Fadli

•Identify Autonomous vehicles barriers will help to promote their adoption•Safety, users’ acceptance and behaviour are the predominant barriers of AVs•Distrust feelings and perception affect people...

Method for determining climatic design conditions based on the indoor thermal environment risk level

Available online 23 May 2020
Xia Wu | Zhe Tian | Yuanyuan Wang | Jide Niu | Chengzhi Tian

•A correlation between outdoor weather and indoor environment is constructed.•The impact of uncertainty in building on this correlation is quantified.•The nomograph is proposed to simplify the selection...

Experimental characterization of the removal efficiency and energy effectiveness of central air cleaners

Available online 23 May 2020
Patrice Blondeau | Marc Olivier Abadie | Alexandra Durand | Pascal Kaluzny | Sylvie Parat | Alain Ginestet | Dominique Pugnet | Céline Tourreilles | Thierry Duforestel

•Three of six air cleaners tested are effective in terms of pollutant removal•Only two have an acceptable energy effectiveness for low or zero energy buildings•Molecular filtration proves to be the...

Optical and thermal performance analysis of aerogel glazing technology in a commercial building of Hong Kong

April 2020
C.K. Leung | L. Lu | Y. Liu | H.S. Cheng | Jeff H. Tse

•The thermal performances of aerogel glazing for a building is modeled.•Aerogel glazing could reduce 57% heat gain and save 8.5% cooling energy.•Aerogel glazing has a very low solar heat gain coefficient.•Glazing...

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