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Articles 91 - 120 of 255
Full-Text Articles in Engineering Physics
Utilization Of Heat Recovery Ventilation: Steady-State Two-Zone Heat Loss Analysis And Field Studies, Arnold Janssens, Wolf Bracke, Marc Delghust, Eline Himpe, Silke Verbruggen, Jelle Laverge
Utilization Of Heat Recovery Ventilation: Steady-State Two-Zone Heat Loss Analysis And Field Studies, Arnold Janssens, Wolf Bracke, Marc Delghust, Eline Himpe, Silke Verbruggen, Jelle Laverge
International Building Physics Conference 2018
In new houses in Europe the share of mechanical ventilation with heat recovery is increasing as a result of more severe energy performance requirements and of energy labelling for residential ventilation units. The methods used to assess the influence of heat recovery ventilation on the heating energy use in energy labelling and certification are typically based on single zone energy balance equations, although heating behaviour and set-points differ in different rooms of a dwelling. As a result of this the energy savings of heat recovery ventilation as assessed with single zone methods may be larger than when the spatial variations …
Comparison Of Data-Driven Building Energy Use Models For Retrofit Impact Evaluation, Yujie Xu, Azizan Aziz, Bertrand Lasternas, Vivian Loftness
Comparison Of Data-Driven Building Energy Use Models For Retrofit Impact Evaluation, Yujie Xu, Azizan Aziz, Bertrand Lasternas, Vivian Loftness
International Building Physics Conference 2018
A change-point (piecewise linear regression) model fitted to the pre-retrofit data as the counterfactual for the savings calculation, is considered to be the best approach to evaluating the energy savings of building retrofits ( ASHRAE Guideline 14). However, when applied to a large portfolio savings analysis with substantial multi-year data, the change-point model does not fit the data well in some cases. The study thus aims to improve the accuracy of the changepoint model by: 1) using more advanced non-linear models, 2) incorporating additional input features, and 3) increasing the time resolution of input variables. We found that random forest …
Use Of Calibrated Building Simulation To Investigate Comfort Conditions In A Healthcare Facility, Luca Zaniboni, Giovanni Pernigotto, Matthias Schuß, Kristina Kiesel, Andrea Gasparella, Ardeshir Mahdavi
Use Of Calibrated Building Simulation To Investigate Comfort Conditions In A Healthcare Facility, Luca Zaniboni, Giovanni Pernigotto, Matthias Schuß, Kristina Kiesel, Andrea Gasparella, Ardeshir Mahdavi
International Building Physics Conference 2018
Design activity regarding healthcare buildings must not only address the energy efficiency aspects but also account for the indoor thermal comfort conditions. Indeed, the occupants of this category of buildings are affected by different kinds of health issues. Thus, particular efforts are required in order to ensure conditions adequate for therapies and medical treatments. Simulation can be a helpful tool in designing new buildings, particularly in case of complex clinics and hospitals. When analyzing existing facilities, a proper calibration is a necessary step to reduce discrepancies between simulated and measured performance. This improves the reliability of the model itself and …
Inter-Activehouse: Users-Driven Building Performances For Nearly Zero Energy Buildings In Mediterranean Climates, Arianna Brambilla, Federica Brunone, Alberto Sangiorgio, Marco Imperadori
Inter-Activehouse: Users-Driven Building Performances For Nearly Zero Energy Buildings In Mediterranean Climates, Arianna Brambilla, Federica Brunone, Alberto Sangiorgio, Marco Imperadori
International Building Physics Conference 2018
Building simulations rely on fixed assumptions and mathematical models to describe a specific building scenario, overlooking the building occupants’ component. Almost 40% of in-home energy use is due occupants interacts with the building systems. The goal of this paper is to understand the magnitude of the performance gap when applied to two case studies in a Mediterranean climate. A set of scenarios are simulated assuming both a typical building usage and possible variations given by the users’ interactions with shading, ventilation and cooling systems. Results show that the magnitude of the effects with a negative impact is bigger if compared …
Assessing The Performance Of Photocatalytic Oxidation Of Volatile Organic Compounds In Three Different Scaled Set-Ups, Zahra Shayegan, Chang-Seo Lee, Ali Bahloul, Fariborz Haghighat
Assessing The Performance Of Photocatalytic Oxidation Of Volatile Organic Compounds In Three Different Scaled Set-Ups, Zahra Shayegan, Chang-Seo Lee, Ali Bahloul, Fariborz Haghighat
International Building Physics Conference 2018
Volatile organic compounds (VOCs) are considered a major group of indoor air contaminants with several proven adverse health effects. Ultraviolet photocatalytic oxidation process (UVPCO) is a promising technology for the removal of VOC contaminants in indoor air environments. In addition, adequate efficiency of PCO has been proven in laboratory conditions. However, when PCO is scaled up and applied in real conditions, there are some limitations that need to be addressed. Several factors are involved in the efficiency of the PCO process such as humidity, flow rate (residence time), inlet of contaminant concentration, light source, etc. To the best of our …
Fate Of Particles Released By A Puff–Dispersion With Different Air Distributions, Shichao Liu, Atila Novoselac
Fate Of Particles Released By A Puff–Dispersion With Different Air Distributions, Shichao Liu, Atila Novoselac
International Building Physics Conference 2018
Well-mixed assumption normally has flaws in the space with continuous-releasing particle sources. For transient point or puff sources, however, particle concentration might vary differently among locations during emission periods and afterwards. This study measures whether and how rapidly ventilation systems can distribute particles emitted from puff-like sources in an indoor space. The impact of ventilation pattern (over-head mixing ventilation and displacement ventilation), particle size (0.77, 2.5 and 7 μm) and source location are also examined. The results show that particles with sizes of 0.77 μm and 2.5 μm can be distributed uniformly by both mixing ventilation and displace ventilation shortly …
New Microclimate Monitoring Method And Data Process For Investigating Environmental Conditions In Complex Urban Contexts, Ilaria Pigliautile, Veronica Lucia Castaldo, Anna Laura Pisello
New Microclimate Monitoring Method And Data Process For Investigating Environmental Conditions In Complex Urban Contexts, Ilaria Pigliautile, Veronica Lucia Castaldo, Anna Laura Pisello
International Building Physics Conference 2018
The rapid urbanization of the last century coupled with local climate change imputable to anthropogenic actions triggered a huge research effort aimed at investigating urban microclimate. Typically, cities present a variety of microclimates due to the internal variation of their landscapes in terms of morphology, surfaces properties, presence of greenery, etc. Location-specific microclimate conditions affect both (i) building energy needs and (ii) citizens’ quality of life. For these reasons, a small-scale analysis from the citizen perspective with high-time-resolution environmental data is required. Recent studies tried to reach that level of precision by using remote sensing, movable observational transects or dense …
Energy Flexibility Of Building Cluster – Part I: Occupancy Modelling, Rongling Li, Andong Wang, Carsten Rode, Shi You
Energy Flexibility Of Building Cluster – Part I: Occupancy Modelling, Rongling Li, Andong Wang, Carsten Rode, Shi You
International Building Physics Conference 2018
With the growing application of renewable energy, the stability of power systems can be seriously affected due to the fluctuations in the instantaneous generated power. As one of the potential solutions for this upcoming challenge, energy flexibility of buildings has received attention for research and technology development. Demand response and energy flexibility should be implemented at a large scale to have the accumulated energy flexibility to a magnitude, which can be meaningful for energy sectors. Studies have shown that the energy flexibility of a building is greatly influenced by both building physical characteristics and occupancy pattern of residents. To the …
Radon Levels In Rented Accommodation, Torben Valdbjørn Rasmussen
Radon Levels In Rented Accommodation, Torben Valdbjørn Rasmussen
International Building Physics Conference 2018
Indoor radon levels were measured in 221 homes located in 53 buildings, including 28 multioccupant houses and 25 single-family terraced houses. The homes consisted of rented accommodation located in buildings recorded as being constructed before 2010 and after the year 1850. In addition, the radon level was measured in the basement in 9 of the buildings. The mean year value of the indoor radon level was 30.7 (1–250) Bq/m3. The indoor radon level exceeded 100 Bq/m3 in 5.9% of the homes, all located in single-family terraced houses. The variable single-family terraced houses explained 5.9% of the variation in indoor radon …
Improving The Representation Of Convective Heat Transfer In An Urban Canopy Model, Qi Li, Jiachuan Yang, Zhi-Hua Wang, Elie Bou-Zeid
Improving The Representation Of Convective Heat Transfer In An Urban Canopy Model, Qi Li, Jiachuan Yang, Zhi-Hua Wang, Elie Bou-Zeid
International Building Physics Conference 2018
The urban street canyon has been widely recognized as a basic surface unit in urban micrometeorological studies. Urban canopy models (UCMs), which quantify the exchange of energy and momentum between the urban surface and the overlying atmosphere, often adopt this type of street canyon representation as the fundamental surface element. Since UCMs can be coupled to regional-scale weather and climate models such as the Weather Forecast and Research Model (WRF), parametrizations of the surface momentum and scalar fluxes in UCM are of paramount importance. However, many current single-layer UCMs rely on empirical relations that were obtained over 80 years ago …
Streamlined Cfd Simulation Framework To Generate Wind-Pressure Coefficients On Building Facades For Airflow Network Simulations, Timur Dogan, Patrick Kastner
Streamlined Cfd Simulation Framework To Generate Wind-Pressure Coefficients On Building Facades For Airflow Network Simulations, Timur Dogan, Patrick Kastner
International Building Physics Conference 2018
Energy modeling packages such as EnergyPlus and TRNSYS come with capable airflow network solvers for natural ventilation evaluation in multi-zone building energy models. These approaches rely on pressure coefficient arrays of different wind directions based on simple boxshaped buildings without contextual obstructions. For specific sites, however, further attention is needed to avoid geometric oversimplification. In this study, we present an automated and easy-to-use simulation workflow for exterior airflow simulation based on OpenFOAM to generate pressure coefficient arrays for arbitrary building shapes and contextual situations. The workflow is compared to other methods commonly used to obtain pressure coefficients for natural ventilation …
Unsteady-State Exergy Analysis On Two Types Of Building Envelopes Under Time-Varying Boundary Condition, Wonjun Choi, Ryozo Ooka, Masanori Shukuya
Unsteady-State Exergy Analysis On Two Types Of Building Envelopes Under Time-Varying Boundary Condition, Wonjun Choi, Ryozo Ooka, Masanori Shukuya
International Building Physics Conference 2018
In the built environment, the thermal exergy behavior is very sensitive to the change of environmental temperature, because the temperature difference between the reservoir and a system of interest is small. Moreover, the transient characteristics become very important for the building envelope, which is primarily affected by the environmental temperature changes and has a relatively large heat capacity. Most of the exergy analyses have been performed under steady-state assumption. However, it may miss some important details of the transient process. Thus, when the transient transfer process becomes important, the unsteady-state exergy analysis should be conducted. In this study, we propose …
Neural Networks To Predict The Hygrothermal Response Of Building Components In A Probabilistic Framework, Astrid Tijskens, Staf Roels, Hans Janssen
Neural Networks To Predict The Hygrothermal Response Of Building Components In A Probabilistic Framework, Astrid Tijskens, Staf Roels, Hans Janssen
International Building Physics Conference 2018
In recent years, probabilistic assessment of hygrothermal performance of building components has received increasing attention. Given the many uncertainties involved in the hygrothermal behaviour of building components, a probabilistic assessment enables to assess the damage risk more reliably. However, this typically involves thousands of simulations, which easily becomes computationally inhibitive. To overcome this time-efficiency issue, this paper proposes the use of much faster metamodels. This paper focusses on neural networks, as they have proven to be successful in other non-linear and non-stationary research applications. Two types of networks are considered: the traditional multilayer perceptron (with and without a time window) …
Modeling And Model Calibration For Model Predictive Occupants Comfort Control In Buildings, Shiyu Yang, Man Pun Wan, Bing Feng Ng, Zhe Zhang, Adrian S. Lamano, Wanyu Chen
Modeling And Model Calibration For Model Predictive Occupants Comfort Control In Buildings, Shiyu Yang, Man Pun Wan, Bing Feng Ng, Zhe Zhang, Adrian S. Lamano, Wanyu Chen
International Building Physics Conference 2018
Mathematical models are essential in Model-Predictive Control (MPC) for building automation and control (BAC) application, which must be precise and computationally efficient for realtime optimization and control. However, building models are of high complexity because of the nonlinearities of heat and mass transfer processes in buildings and their air-conditioning and mechanical ventilation (ACMV) systems. This paper proposes a method to develop an integrated linear model for indoor air temperature, humidity and Predicted Mean Vote (PMV) index suitable for fast real-time multiple objectives optimization. A linear dynamic model is developed using SIMSCAPE language based on the BCA SkyLab test bed facility …
The Effects Of Production Technologies On The Air Permeability Properties Of Cross Laminated Timber, Villu Kukk, Targo Kalamees, Jaan Kers
The Effects Of Production Technologies On The Air Permeability Properties Of Cross Laminated Timber, Villu Kukk, Targo Kalamees, Jaan Kers
International Building Physics Conference 2018
In building envelope, the cross laminated timber (CLT) is often used as air barrier layer. The objective of this study was to evaluate the impact of production technologies such as edge bonding, different initial moisture content (MC) of lamination, and number of lamination layers (3 and 5) on the air-permeability properties of cross laminated timber. Air leakage and crack growth in CLT panels were measured after the panels were conditioned in environments with different relative humidity (RH) in progressive steps from humid to dry environments (RH 70%→ RH 50%→ RH 30%→ RH 10%). The test results showed that the most …
Modeling And Spatial Visualization Of Indoor Micro-Climates For Personalized Thermal Comfort, Berardo Matalucci, Joshua Draper, Anna Dyson
Modeling And Spatial Visualization Of Indoor Micro-Climates For Personalized Thermal Comfort, Berardo Matalucci, Joshua Draper, Anna Dyson
International Building Physics Conference 2018
The indoor thermal environment is conventionally considered homogeneous as anchored on a universal thermal comfort paradigm, although occupants’ experience is often diversified and influenced by several physio-cognitive factors. Personal comfort devices aim to enhance thermal comfort acceptance through localized heating and cooling while reducing overall energy consumption as temperature set-points of centralized HVAC systems can be relaxed. To further incentivize the adoption of distributed HVAC systems, it is critical to examine the energy benefits and the spatial characteristics of heterogeneous thermal environments. Here we developed a parametric framework based on building energy modeling coupled with a spatial visualization of micro-climatic …
Bim And Game Engine Integration For Operational Data Monitoring In Buildings, Yunjie Xiong, Tanyel Bulbul, Georg Reichard
Bim And Game Engine Integration For Operational Data Monitoring In Buildings, Yunjie Xiong, Tanyel Bulbul, Georg Reichard
International Building Physics Conference 2018
Building Information Modelling (BIM), as a new approach to the digital representation of the whole building lifecycle, including design, construction, building operation and maintenance, increases the efficiency and productivity of the architecture, engineering, and construction (AEC) industries. Because of complicated and comprehensive building information, BIM by itself is not able to provide an interactive visual environment for stakeholders and mobile access to the building information model is limited too. This paper aims to integrate BIM and 3D game engines to provide a real-time monitoring, mobile and interactive model. We’ve developed this building model as a serious game, capable of running …
Greening Rooftops To Reduce Heat Islands: How Large Is Large Enough?, Jiachuan Yang, Elie Bou-Zeid
Greening Rooftops To Reduce Heat Islands: How Large Is Large Enough?, Jiachuan Yang, Elie Bou-Zeid
International Building Physics Conference 2018
Green roofs, with adequate water supply, have been proven as effective measures to reduce urban environmental temperature. The benefits of large-scale deployment of green roofs have been studied mainly through numerical simulations with unrealistic high penetration scenarios, where all rooftops across the entire metropolis is assumed to be retrofitted. In this study, the scale dependence of the cooling effect of green roofs is investigated with a coverage of 25% over buildings at local, city, or regional scales. We compared results at 6 major U.S. cities to assess the response of the scale dependence to geoclimatic conditions. High-resolution weather simulations reveal …
The Use Of A Large, Extensive Green Roof For Multiple Research Objectives, Cliff I. Davidson, Carli D. Flynn, Charitha Gunawardana, Alexander J. Johnson, Mallory N. Squier, Lucie L. Worthen, Yige Yang
The Use Of A Large, Extensive Green Roof For Multiple Research Objectives, Cliff I. Davidson, Carli D. Flynn, Charitha Gunawardana, Alexander J. Johnson, Mallory N. Squier, Lucie L. Worthen, Yige Yang
International Building Physics Conference 2018
The Green Roof on the Onondaga County Convention Center in Syracuse, NY is planted with several varieties of sedum over an area of 0.56 hectares. The roof was constructed in 2011, and has been instrumented with sensors to enable research and education over an extended period. The purpose of the current work on this roof is to quantify its performance with respect to water storage and energy transfer, and to identify chemical constituents in the runoff that might be contributed by the growth medium. The scope of the project also includes a number of measurements on traditional roofs in the …
Using Rain And Vegetation To Improve Thermal Comfort In A Hot Street Canyon With Fully-Integrated Urban Climate Modeling, Aytaç Kubilay, Jan Carmeliet, Dominique Derome
Using Rain And Vegetation To Improve Thermal Comfort In A Hot Street Canyon With Fully-Integrated Urban Climate Modeling, Aytaç Kubilay, Jan Carmeliet, Dominique Derome
International Building Physics Conference 2018
Building materials that are commonly used in urban areas generally have higher sensible heat storage and radiation entrapment, while having lower moisture storage and evapotranspiration, in comparison to the materials found in rural areas. These differences play a significant role in the occurrence of the urban heat island (UHI) effect, which has adverse impacts on thermal comfort, energy use and public health. Coupled numerical simulations of computational fluid dynamics (CFD) with the heat and mass transfer (HAM) in porous urban materials are performed to estimate the evaporative-cooling potential of different pavements in a street canyon. The local thermal comfort following …
Comparing Exterior Wall Finishes Using Life-Cycle Assessment, Brandi Dodge, Rui Liu
Comparing Exterior Wall Finishes Using Life-Cycle Assessment, Brandi Dodge, Rui Liu
International Building Physics Conference 2018
Selecting products that are environmentally friendly can help reduce the negative environmental impacts associated with the built environment. However, the process can be difficult. Life-cycle assessment (LCA) is an approach used to measure the environmental performance of a product or service by considering all stages of a product’s life-cycle from extraction of raw materials to its end of life. Many products that claim to be environmentally friendly are based on a single life-cycle stage or environmental impact. These claims are often misleading as they do not consider other life-cycle stages or other environmental impacts associated with the products. This study …
Hygrothermal Performance Assessment Of Wall Systems With Various Concrete And Insulation Configurations, Ali Vaseghi, Fitsum Tariku
Hygrothermal Performance Assessment Of Wall Systems With Various Concrete And Insulation Configurations, Ali Vaseghi, Fitsum Tariku
International Building Physics Conference 2018
The moisture performance of building envelope assemblies has always been a major concern of designers. Building envelope is constantly exposed to moisture loads such as exterior and interior humidity, rain, groundwater, snow and construction moisture. Therefore, it is critical to control the moisture migration mechanism within building envelope walls. Moisture accumulation occurs when the wetting potential of building envelope exceeds its drying potential due to applying inappropriate construction materials or configuration designs. Moisture accumulation in mid-rise and high-rise concrete buildings has negative impacts on microbial growth, occupants’ comfort, energy consumption, freeze thaw and compressive and tensile strength of concrete which …
Study Of The Mechanical Behavior Of Traditional Japanese Mud Wall On Bamboo Lath, Midori Yamada, Naoyuki Koshiishi
Study Of The Mechanical Behavior Of Traditional Japanese Mud Wall On Bamboo Lath, Midori Yamada, Naoyuki Koshiishi
International Building Physics Conference 2018
Mud wall on bamboo lath is a traditional Japanese method for constructing walls. Although the use of mud walls is environmentally friendly, it is necessary to evaluate the performances of the walls, especially their structural resistance, for broader and safe application. However, the performances of mud walls vary widely with various factors, including the locality, the natural materials used, the construction method adopted, and the quality of workmanship. In this study, the combinations of factors expected to improve the initial stiffness and toughness of mud walls were first determined based on previous studies. Subsequently, to reveal the influences of the …
Numerical Investigation Of A Diffuse Ventilation Ceiling System For Buildings With Natural And Hybrid Ventilation, Alessandro Nocente, Francesco Goia, Steinar Grynning
Numerical Investigation Of A Diffuse Ventilation Ceiling System For Buildings With Natural And Hybrid Ventilation, Alessandro Nocente, Francesco Goia, Steinar Grynning
International Building Physics Conference 2018
The need to meet requirements, both in terms of ventilation and thermal comfort in modern buildings, has led to the development of different concepts for ventilation, among which the so-called Diffuse Ceiling Ventilation (DCV). This system makes use of the space between the ceiling slabs and the suspended ceiling as a plenum for fresh air, while the suspended ceiling itself becomes an air diffuser element. If compared to traditional solutions, this allows a higher amount of ventilation air to be injected in the room at lower speed, and a more even distribution of the fresh air within the room. Furthermore, …
The Impact Of Ventilation Strategy On Overheating Resilience And Energy Performance Of Schools Against Climate Change: The Evidence From Two Uk Secondary Schools, Esfand Burman, Dejan Mumovic
The Impact Of Ventilation Strategy On Overheating Resilience And Energy Performance Of Schools Against Climate Change: The Evidence From Two Uk Secondary Schools, Esfand Burman, Dejan Mumovic
International Building Physics Conference 2018
The indoor environmental quality and energy performance of two modern secondary schools in the UK which have fundamentally different environmental strategies were investigated during building performance evaluations. The performances of these buildings against the projected weather data for future were also analysed. The results point to significant risk of future overheating as a result of climate change in the naturally ventilated building with passive measures that go well beyond the existing guidelines for schools. The other school with mechanical ventilation shows resilience to future overheating. However, shortcomings in building procurement and operation have severely compromised its energy performance. It is …
Research For The Optimization Of Air Conditioner Sensor Position Based On The Room Spatial Parameter, Kuixing Liu, Gang Liu, Yueqiang Di
Research For The Optimization Of Air Conditioner Sensor Position Based On The Room Spatial Parameter, Kuixing Liu, Gang Liu, Yueqiang Di
International Building Physics Conference 2018
The indoor temperature measured by the sensor is an important basis of air conditioner control strategy. Accordingly, the position of the sensor influences power consumption and the stability of indoor temperature control. This paper aims to study the influence of different sensor positions on air conditioner power consumption and indoor temperature stability. An experiment is conducted, which has 20-position circumstances, including different height, horizontal distance, and vertical distance from the air conditioner. Furthermore, Fluent is used to simulate the situation that sensor is in rooms with different sizes and air conditioner direction. An optimal sensor position searching model is developed, …
Experimental Investigation Of Latent Heat Thermal Energy Storage For Highly Glazed Apartments In A Continental Climate, Shahrzad Soudian, Umberto Berardi
Experimental Investigation Of Latent Heat Thermal Energy Storage For Highly Glazed Apartments In A Continental Climate, Shahrzad Soudian, Umberto Berardi
International Building Physics Conference 2018
The high solar heat gains in highly glazed buildings are a major thermal discomfort factor leading to higher energy consumption for space cooling. Higher window to wall ratios (WWR) also entail large temperature fluctuations due to heat loss and temperature extremes in buildings. Passive latent heat thermal energy storage (LHTES) is a potential solution to regulate the indoor thermal environment in buildings through mitigating the indoor surface temperatures. In this study, the effectiveness of phase change materials (PCMs) in the context of a highly glazed apartment unit with 80% WWR is investigated for internal wall and ceiling applications. To provide …
Lighting Characterization Of A New Coating For Window Retrofit, Umberto Berardi
Lighting Characterization Of A New Coating For Window Retrofit, Umberto Berardi
International Building Physics Conference 2018
The present paper describes a new high-performance coating used for the retrofit of existing glazing systems. The easy application of this new coating on the internal side of the glazing makes possible to reduce quickly the solar heat gain coefficient of an existing window. A full laboratory characterization both from the thermal and light transmissibility point of views is presented. Moreover, the paper reports the results of long-term studies aiming at assessing the risks of aging and related performance reductions for the investigate coating.
Monitoring And Modelling Of A Prefabricated Exterior Envelope Retrofit, Sébastien Brideau, Mark Carver, Anil Parekh, Brock Conley
Monitoring And Modelling Of A Prefabricated Exterior Envelope Retrofit, Sébastien Brideau, Mark Carver, Anil Parekh, Brock Conley
International Building Physics Conference 2018
As part of a larger project to develop prefabricated technologies for retrofitting building envelopes of Canadian homes, a small building was retrofitted and instrumented. This prefabricated retrofit method is intended to be applied directly over existing cladding. Two prototype retrofit wall systems were installed on the building; a nailbase panel, and a wood frame panel. The existing wall had an RSI value of 1.80 m2K/W (including film coefficients) and the resulting retrofitted walls reached values of 6.40 m2K/W and 5.72 m2K/W. With the addition of a new air barrier, blower door tests have shown a large reduction in infiltration from …
A Sustainable Approach To The Adaptive Reuse Of Historic Brick Buildings:Analysis Of Energy Efficiency Strategies For Historic Facade Retrofits, Donghwan Kim, Juliana Felkner
A Sustainable Approach To The Adaptive Reuse Of Historic Brick Buildings:Analysis Of Energy Efficiency Strategies For Historic Facade Retrofits, Donghwan Kim, Juliana Felkner
International Building Physics Conference 2018
There are many historic brick buildings in downtown areas of the U.S. that are awaiting appropriate strategies for their adaptive reuse and preservation. The adaptive reuse method enables the adaptation of existing, obsolete historic buildings into new, mixed-use developments that will play an essential role in enhancing urban environments. However, many of these buildings have poor energy performance. This paper explores sustainable methods to balance between historic preservation and reduction of peak energy loads, through analyzing design strategies and conducting energy simulations for a building in downtown, Austin, TX. Energy retrofits related to windows, high performance of the facades with …