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You searched for: Journal name Applied energy Remove constraint Journal name: Applied energy Publication year rev 7984-2016 Remove constraint Publication year rev: 7984-2016 Subject term buildings Remove constraint Subject term: buildings Subject term energy Remove constraint Subject term: energy
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1. A Technology Selection and Operation (TSO) optimisation model for distributed energy systems: Mathematical formulation and case study

Author:
Dagoberto Cedillos Alvarado; Salvador Acha; Nilay Shah; Christos N. Markides
Source:
Applied energy 2016 v.180 pp. 491-503
ISSN:
0306-2619
Subject:
buildings; carbon; case studies; emissions; energy; energy costs; heat; mathematical models; stakeholders
Abstract:
... This paper presents a model which simultaneously optimises the selection and operation of technologies for distributed energy systems in buildings. The Technology Selection and Operation (TSO) model enables a new approach for the optimal selection and operation of energy system technologies that encompasses whole life costing, carbon emissions as well as real-time energy prices and demands; thus, ...
DOI:
10.1016/j.apenergy.2016.08.013

2. A city scale degree-day method to assess building space heating energy demands in Strasbourg Eurometropolis (France)

Author:
M. Kohler; N. Blond; A. Clappier
Source:
Applied energy 2016 v.184 pp. 40-54
ISSN:
0306-2619
Subject:
air temperature; buildings; energy; heat; heat island; heat sums; insulating materials; methodology; models; France
Abstract:
... Efficient strategies are required to reduce space heating energy demands in buildings at city scale. Models taking into account the dynamic of the Urban Heat Island (UHI) phenomenon may be useful tools to help urban planners in this task. In this paper, we propose a new methodology to assess the energy demands for space heating in buildings at city scale: a degree-day method is applied, coupled wi ...
DOI:
10.1016/j.apenergy.2016.09.075

3. A new insight into opaque envelopes in a passive solar house: Properties and roles

Author:
Linshuang Long; Hong Ye; Minghou Liu
Source:
Applied energy 2016 v.183 pp. 685-699
ISSN:
0306-2619
Subject:
buildings; cold zones; energy; heat; solar radiation; summer; thermal conductivity; winter
Abstract:
... Passive solar houses are effective solutions for minimizing the operating energy of buildings. The building envelopes of passive solar houses exert a significant influence on the degree of indoor thermal comfort. The focus of this study was the construction of high-performance opaque envelopes, i.e., the roof and walls, for a passive solar house, and a new conception of the envelopes from the pers ...
DOI:
10.1016/j.apenergy.2016.09.032

4. A peak-load reduction computing tool sensitive to commercial building environmental preferences

Author:
Fakeha Sehar; Manisa Pipattanasomporn; Saifur Rahman
Source:
Applied energy 2016 v.161 pp. 279-289
ISSN:
0306-2619
Subject:
buildings; computer software; energy; global cooling; infrastructure; power generation; Virginia
Abstract:
... Demand Response (DR) as an option for electric utility peak load management has gained significant attention in the recent past as it helps to avoid stress conditions and possibly defer or avoid construction of new power generation, transmission and distribution infrastructures. DR in commercial buildings can play a major role in reducing peak load and mitigate network overloading conditions. Smal ...
DOI:
10.1016/j.apenergy.2015.10.009

5. A regression-based approach to estimating retrofit savings using the Building Performance Database

Author:
Travis Walter; Michael D. Sohn
Source:
Applied energy 2016 v.179 pp. 996-1005
ISSN:
0306-2619
Subject:
algorithms; audits; buildings; climatic zones; cost effectiveness; data collection; databases; decision making; energy; energy conservation; equipment; heating systems; prediction; regression analysis; risk; statistical models
Abstract:
... Retrofitting building systems is known to provide cost-effective energy savings. However, prioritizing retrofits and computing their expected energy savings and cost/benefits can be a complicated, costly, and an uncertain effort. Prioritizing retrofits for a portfolio of buildings can be even more difficult if the owner must determine different investment strategies for each of the buildings. Mean ...
DOI:
10.1016/j.apenergy.2016.07.087

6. A transient quasi-3D entire time scale line source model for the fluid and ground temperature prediction of vertical ground heat exchangers (GHEs)

Author:
Linfeng Zhang; Quan Zhang; Gongsheng Huang
Source:
Applied energy 2016 v.170 pp. 65-75
ISSN:
0306-2619
Subject:
buildings; data collection; energy; heat exchangers; heat pumps; heat tolerance; heat transfer; models; prediction; temperature profiles
Abstract:
... The energy performance of Ground-Coupled Heat Pump systems (GCHPs) depends heavily on the fluid temperature over the entire time scale inside the ground heat exchangers (GHEs) and the ground temperature profile outside the borehole. These temperatures define not only the coefficient of performance (COP) of GCHPs but also the ground receptivity of the energy demand of buildings. Although GCHPs have ...
DOI:
10.1016/j.apenergy.2016.02.099

7. A validated model for mixing and buoyancy in stratified hot water storage tanks for use in building energy simulations

Author:
Brecht Baeten; Thomas Confrey; Sébastien Pecceu; Frederik Rogiers; Lieve Helsen
Source:
Applied energy 2016 v.172 pp. 217-229
ISSN:
0306-2619
Subject:
buildings; energy; fluid mechanics; mixing; model validation; models; parameter uncertainty; tanks; water storage
Abstract:
... When evaluating the energy demand of buildings using stratified hot water storage tanks in an active demand response context, an accurate but low order storage tank model is required. Accurate modelling of buoyancy effects and mixing inside the storage tank as a result of direct inflows is key to obtain valid results. The use of one-dimensional storage tank models is common practice in building si ...
DOI:
10.1016/j.apenergy.2016.03.118

8. Amplified charge and discharge rates in phase change materials for energy storage using spatially-enhanced thermal conductivity

Author:
Lien Chin Wei; Jonathan A. Malen
Source:
Applied energy 2016 v.181 pp. 224-231
ISSN:
0306-2619
Subject:
buildings; energy; heat; heat tolerance; manufacturing; melting; telecommunications; thermal conductivity
Abstract:
... Composites made with high thermal conductivity meshes embedded in phase change materials (PCMs) increase charge/discharge rates of latent heat energy storage systems. We study the benefits of spatially-dependent enhancements to thermal conductivity on the charge/discharge rates of PCMs in both one-dimensional Cartesian and one-dimensional cylindrical coordinates. Our nondimensionalized quasi-stead ...
DOI:
10.1016/j.apenergy.2016.08.020

9. An empirical–heuristic optimization of the building-roof geometry for urban wind energy exploitation on high-rise buildings

Author:
Francisco Toja-Silva; Oscar Lopez-Garcia; Carlos Peralta; Jorge Navarro; Ignacio Cruz
Source:
Applied energy 2016 v.164 pp. 769-794
ISSN:
0306-2619
Subject:
aerodynamics; buildings; cities; energy; geometry; turbulent flow; urban areas; wind; wind power; wind turbines
Abstract:
... Urban wind energy exploitation is an important topic for smart sustainable cities. The present investigation is a step in this direction, considering the latest advances in building aerodynamics, identifying and analyzing the optimum building-roof shape for the urban wind energy exploitation. This investigation focusses in two aspects: the isolated building shape optimization and the analysis of t ...
DOI:
10.1016/j.apenergy.2015.11.095

10. An energy management model to study energy and peak power savings from PV and storage in demand responsive buildings

Author:
Fakeha Sehar; Manisa Pipattanasomporn; Saifur Rahman
Source:
Applied energy 2016 v.173 pp. 406-417
ISSN:
0306-2619
Subject:
air conditioning; buildings; cooling; electricity; electricity costs; energy; energy conservation; ice; lighting; models; Maryland; Virginia
Abstract:
... Demand Response (DR) applications along with strategically deployed solar photovoltaic (PV) and ice storage systems at the building level can help reduce building peak demand and energy consumption. Research shows that no work has been carried out to study the impact of integrated control of PV and ice storage on improving building operation and energy savings in demand responsive buildings. This ...
DOI:
10.1016/j.apenergy.2016.04.039

11. An operation optimization and decision framework for a building cluster with distributed energy systems

Author:
Xiwang Li; Jin Wen; Ali Malkawi
Source:
Applied energy 2016 v.178 pp. 98-109
ISSN:
0306-2619
Subject:
algorithms; buildings; cost effectiveness; electrical equipment; energy; energy costs; models; temperature
Abstract:
... Driven by the development of smart buildings and smart grids, numerous of research has focused on developing optimal operation strategies for smart buildings with the aims of reducing energy consumption and cost, as well as improving the grid reliability. Unfortunately, most of the studies from smart building perspective only target on a single building with elaborated energy forecasting models. F ...
DOI:
10.1016/j.apenergy.2016.06.030

12. An optimization model for selecting the optimal green systems by considering the thermal comfort and energy consumption

Author:
Jimin Kim; Taehoon Hong; Jaemin Jeong; Choongwan Koo; Kwangbok Jeong
Source:
Applied energy 2016 v.169 pp. 682-695
ISSN:
0306-2619
Subject:
buildings; energy; environmental assessment; environmental impact; green infrastructure; life cycle assessment; life cycle costing; models; temperature
Abstract:
... The green systems ensured a green space, improved the thermal comfort of the residents by making the seasonal indoor temperature pleasant, and saved energy in buildings. This study aimed to develop an optimization model for the optimal green systems by considering the thermal comfort in and energy consumption of an educational facility. In addition, the optimal design scenarios were analyzed consi ...
DOI:
10.1016/j.apenergy.2016.02.032

13. Application of TOPSIS method in evaluating the effects of supply vane angle of a task/ambient air conditioning system on energy utilization and thermal comfort

Author:
Ning Mao; Mengjie Song; Shiming Deng
Source:
Applied energy 2016 v.180 pp. 536-545
ISSN:
0306-2619
Subject:
air conditioning; buildings; energy; energy conservation; risk
Abstract:
... In subtropical area, air conditioning (A/C) is widely used to provide a suitable thermal indoor environment. During operation, many parameters or configurations may influence the performance of the A/C system. Among them, the supply vane angle is an important factor, which can influence the energy saving and thermal comfort level in the occupied zone, according to previously related studies. Howev ...
DOI:
10.1016/j.apenergy.2016.08.011

14. Application of weather forecast in conjunction with price-based method for PCM solar passive buildings – An experimental study

Author:
Reza Barzin; John J.J. Chen; Brent R. Young; Mohammed M Farid
Source:
Applied energy 2016 v.163 pp. 9-18
ISSN:
0306-2619
Subject:
buildings; control methods; electric power; energy; energy conservation; gypsum; weather forecasting
Abstract:
... This study experimentally investigated the application of weather forecasting in combination with the price-based control method for solar passive buildings. Two identical lightweight test huts were used for the experimental study, one finished with ordinary gypsum board and the other finished with PCM-impregnated gypsum boards. Based on the experimental results, the application of weather forecas ...
DOI:
10.1016/j.apenergy.2015.11.016

15. Benchmarking the building energy consumption and solar energy trade-offs of residential neighborhoods on Chongming Eco-Island, China

Author:
Tianren Yang; Xiaoling Zhang
Source:
Applied energy 2016 v.180 pp. 792-799
ISSN:
0306-2619
Subject:
Monte Carlo method; buildings; cost effectiveness; electricity; energy; issues and policy; residential areas; socioeconomic factors; solar energy; surveys; China
Abstract:
... This paper explores the effects of residential neighborhood types on building energy consumption and solar energy trade-offs with the goal of developing an operational methodology to achieve the best conditions towards a zero nonrenewable energy neighborhood. Six typical Chongming neighborhood types are identified, termed the Farmhouse, Linear-village, Nucleated-village, Townhouse, Slab and High-r ...
DOI:
10.1016/j.apenergy.2016.08.039

16. Comparative study of the cooling energy performance of variable refrigerant flow systems and variable air volume systems in office buildings

Author:
Xinqiao Yu; Da Yan; Kaiyu Sun; Tianzhen Hong; Dandan Zhu
Source:
Applied energy 2016 v.183 pp. 725-736
ISSN:
0306-2619
Subject:
air; air conditioning; buildings; climate; cooling; cooling systems; electricity; energy; managers; models; surveys; China
Abstract:
... Variable air volume (VAV) and variable refrigerant flow (VRF) systems are widely used in office buildings. This study investigated VAV and VRF systems in five typical office buildings in China, and compared their cooling energy use. Site survey and field measurements were conducted to collect the data of building characteristics and operation. Measured cooling electricity use was collected from su ...
DOI:
10.1016/j.apenergy.2016.09.033

17. DR-Advisor: A data-driven demand response recommender system

Author:
Madhur Behl; Francesco Smarra; Rahul Mangharam
Source:
Applied energy 2016 v.170 pp. 30-46
ISSN:
0306-2619
Subject:
algorithms; buildings; data collection; energy; energy use and consumption; models; prediction
Abstract:
... Demand response (DR) is becoming increasingly important as the volatility on the grid continues to increase. Current DR approaches are predominantly completely manual and rule-based or involve deriving first principles based models which are extremely cost and time prohibitive to build. We consider the problem of data-driven end-user DR for large buildings which involves predicting the demand resp ...
DOI:
10.1016/j.apenergy.2016.02.090

18. Defining the Influence Region in neighborhood-scale CFD simulations for natural ventilation design

Author:
Zheming Tong; Yujiao Chen; Ali Malkawi
Source:
Applied energy 2016 v.182 pp. 625-633
ISSN:
0306-2619
Subject:
air; buildings; canyons; energy; floors; fluid mechanics; landscapes; models; natural ventilation; prediction; urban areas; wind direction
Abstract:
... Natural ventilation is one of the most important design options for green buildings, which reduces energy use and improves thermal comfort. Computational Fluid Dynamics (CFD) simulations have been used increasingly for natural ventilation design in urban neighborhoods. The accuracy of such simulations relies largely on how the CFD domain is chosen. In the domain, we define the Influence Region as ...
DOI:
10.1016/j.apenergy.2016.08.098

19. Demand-response in building heating systems: A Model Predictive Control approach

Author:
Gianni Bianchini; Marco Casini; Antonio Vicino; Donato Zarrilli
Source:
Applied energy 2016 v.168 pp. 159-170
ISSN:
0306-2619
Subject:
algorithms; buildings; energy; heating systems; linear programming; markets; models
Abstract:
... In this paper we consider the problem of optimizing the operation of a building heating system under the hypothesis that the building is included as an active consumer in a demand response program. Demand response requests to the building operational system come from an external market player or a grid operator. Requests assume the form of price–volume signals specifying a maximum volume of energy ...
DOI:
10.1016/j.apenergy.2016.01.088

20. Design optimisation for window size, orientation, and wall reflectance with regard to various daylight metrics and lighting energy demand: A case study of buildings in the tropics

Author:
Rizki A. Mangkuto; Mardliyahtur Rohmah; Anindya Dian Asri
Source:
Applied energy 2016 v.164 pp. 211-219
ISSN:
0306-2619
Subject:
buildings; case studies; energy; latitude; lighting; reflectance; tropics
Abstract:
... Design optimisation problems of window size and façade orientation in buildings have been investigated many times, with regard to energy and comfort criteria. To indicate daylight availability in indoor spaces, a number of daylight metrics have been proposed, but those metrics are not always fully accounted in the optimisation process. Also, most studies were conducted for locations with high lati ...
DOI:
10.1016/j.apenergy.2015.11.046