scholarly journals Super Insulation Materials—An Application to Historical Buildings

Buildings ◽  
2021 ◽  
Vol 11 (11) ◽  
pp. 525
Author(s):  
Brigitta Vajó ◽  
Ákos Lakatos
Keyword(s):  
Thermal Insulation ◽  
Sandwich Panels ◽  
Conductivity Measurement ◽  
Historical Buildings ◽  
Historical Building ◽  
Insulation Materials ◽  
Vacuum Insulation ◽  
Measurement Results ◽  
Materials Used

The main purpose of this paper is to present the use of super thermal insulation materials for a historical building through a calculation-based case study. The development of the insulation materials is based on the objective of making buildings as energy efficient as possible, and the energy loss should be kept to a minimum, for both new and existing buildings. For this purpose, the thermal insulation materials used so far have not always achieved maximum effectiveness. In the case of historical buildings, it is particularly difficult to solve insulation issues, as the building cannot lose its former appearance. However, aerogel and vacuum insulation panels can also be used as thin thermal protective layers. In this paper, we will specifically deal with the presentation of the possible application of super thermal insulation materials, such as vacuum insulation panels and aerogels. We will present thermal conductivity measurement results as well as their application through building energetic calculations applied to a historical building as a case study. We will also present certain calculations regarding the costs. The paper highlights that savings of energy costs of approximately 30% can be reached using vacuum insulation sandwich panels. Furthermore, the overall thermal transmittance of the building also decreases by about 35% if vacuum insulation sandwich panels are used for the refurbishment.

Ensuring energy efficiency of refrigeration piping

2021 ◽  
pp. 45-52
Author(s):  
G.I. Petrov ◽  
V.N. Kornienko ◽  
A.G. Donetskikh
Keyword(s):  
Energy Efficiency ◽  
Comparative Analysis ◽  
Thermal Insulation ◽  
Raw Materials ◽  
Thermal Characteristics ◽  
Operational Reliability ◽  
Insulating Materials ◽  
Insulation Materials ◽  
Synthetic Rubber ◽  
Materials Used

Improving energy efficiency and energy saving in refrigeration technology depends largely on the use of modern thermal insulation materials in the thermal insulation structures of refrigeration pipelines. The article presents a comparative analysis of the thermal characteristics and operational properties of heat-insulating materials used in refrigeration. The features of RUFLEX thermal insulation materials based on foamed synthetic rubber produced from domestic raw materials and their compliance with the requirements of energy efficiency, durability, operational reliability and safety are considered.

scholarly journals Prospects for the Application of Wavelet Analysis to the Results of Thermal Conductivity Express Control of Thermal Insulation Materials

Energies ◽  
2021 ◽  
Vol 14 (17) ◽  
pp. 5223
Author(s):  
Oleksandra Hotra ◽  
Svitlana Kovtun ◽  
Oleg Dekusha ◽  
Żaklin Grądz
Keyword(s):  
Thermal Conductivity ◽  
Wavelet Transform ◽  
Data Processing ◽  
Thermal Insulation ◽  
Control Method ◽  
Measurement Data ◽  
Conductivity Measurement ◽  
Differential Method ◽  
Expanded Polystyrene ◽  
Insulation Materials

This article discusses an express control method that allows in situ measurements of the thermal conductivity of insulation materials. Three samples of the most common thermal insulation materials, such as polyurethane, extruded polystyrene, and expanded polystyrene, were studied. Additionally, optical and organic glasses were investigated as materials with a stable value of thermal conductivity. For the measurement of thermal conductivity, the express control device, which implements the differential method of local heat influence, was used. The case studies were focused on the reduction of fluctuations of the measured signals caused by different influencing factors using wavelet transform. The application of wavelet transform for data processing decreased the thermal conductivity measurement’s relative error for organic glass SOL and optical glasses TF-1 and LK-5. The application of wavelet transform thermal conductivity measurement data for polyurethane, extruded polystyrene, and expanded polystyrene allowed to reduce twice the duration of express control while maintaining the same level of measurement error. The results of the investigation could be used to increase the accuracy in express control of the thermal conductivity of insulation materials by improving the data processing. This approach could be implemented in software and does not require a change in the design of the measuring equipment or the use of additional tools.

The Comparison of Thermal Insulation Materials for a Process Pipeline

2018 ◽  
Vol 927 ◽  
pp. 176-182
Author(s):  
Polina A. Tretiakova ◽  
O.A. Stepanov ◽  
T.V. Tretyakova
Keyword(s):  
Natural Gas ◽  
Thermal Resistance ◽  
Thermal Insulation ◽  
Heat Insulation ◽  
Mineral Wool ◽  
Essential Property ◽  
Pressure Reduction ◽  
Insulation Materials ◽  
Materials Used

the article describes and compares thermal insulation materials used for heat insulation of a process pipeline transporting natural gas after its pressure reduction. The following thermal insulation materials are examined: mineral wool and cellular rubber substance. Linear thermal resistance has been chosen as the essential property of the materials.

Experimental Study on the Thermal Conductivity of Thermal Insulation Materials Used in Residential Buildings

2014 ◽  
Vol 1025-1026 ◽  
pp. 535-538
Author(s):  
Young Sun Jeong
Keyword(s):  
Thermal Conductivity ◽  
Thermal Insulation ◽  
Building Materials ◽  
Residential Buildings ◽  
Building Envelope ◽  
Expanded Polystyrene ◽  
Exterior Wall ◽  
Insulation Materials ◽  
Design Documents ◽  
Materials Used

The most basic way to keep comfortable indoor environments for a building’s occupants and save energy for space heating and cooling in residential buildings is to insulate the building envelope. Among the building materials to be used, thermal insulation materials primarily influence thermal performance. In particular, the type, thermal conductivity, density, and thickness of heat insulator, are important factors influencing thermal insulation performance. We investigate the design status of residential buildings which were designed in accordance with the building code of Korea and selected the type of thermal insulation materials applied to the walls of buildings. The present study aims at measuring the thermal conductivity of thermal insulation materials used for building walls of residential buildings. In this study, after collecting the design documents of 129 residential buildings, we investigated the type and thickness of insulation materials on the exterior wall specified in the design documents. As the thermal insulation materials, extruded polystyrene (XPS) board and expanded polystyrene(EPS) board are used the most widely in Korea when designing residential buildings. The thickness of thermal insulation materials applied to the exterior wall was 70mm, most frequently applied to the design. We measured the thermal conductivity and the density of XPS board and EPS board. When the density of XPS and EPS was 30~35 kg/㎥, the thermal conductivity of XPS was 0.0292 W/mK and it of EPS was 0.0316 W/mK.

A Study to Interior Design Project Management Guideline Using on Historical Building Renovation

2014 ◽  
Vol 584-586 ◽  
pp. 207-210
Author(s):  
Wei Zhang ◽  
Yue En Li
Keyword(s):  
Project Management ◽  
Interior Design ◽  
Historical Buildings ◽  
Management Guideline ◽  
Historical Building ◽  
The Public ◽  
Design Project ◽  
Successful Case ◽  
Modern Building

There are many western style historical buildings in China, and the old buildings need a renovation and protection for their historical value in culture and facilities. It is an important protection problem for the culture symbols and historical building renovation. In this paper, it presents a old cultural building’s renovation process following the a interior design project management guideline, as the public old building, it should consider its old structure and modern building corresponding, the project cost and the craft combine together in this case study, as the successful case and field symbolic building, it shows a new characters around that place.

Adaptive reuse of historical buildings

2019 ◽  
Vol 37 (1) ◽  
pp. 54-68 ◽  
Author(s):  
Zuraini Md Ali ◽  
Rodiah Zawawi ◽  
Nik Elyna Myeda ◽  
Nabila Mohamad
Keyword(s):  
Service Quality ◽  
Service Delivery ◽  
Adaptive Reuse ◽  
Point Of View ◽  
Social Perceptions ◽  
Historical Buildings ◽  
Historical Building ◽  
Content Type ◽  
Study Sites

Purpose The purpose of this paper is to focus on the impacts that the adaptive reuse of historical building has on museum service quality by analysing the visitors’ expectations and perceptions through the HISTOQUAL model. It looks deeper into investigating the enhancement of adaptive reuse approach to historical buildings not only to the surrounding environment, but also to the building’s cultural significance. Design/methodology/approach A field survey implementing quantitative approach was conducted by using questionnaires to collect the visitors’ expectations and perceptions on their visits to the selected case study sites. The selected two case study sites are both newly adaptive reuse museums located in the heart of Kuala Lumpur. Through these case studies, the visitors’ expectations and perceptions were analysed and the differences were identified. Findings Positive feedback on the level of service quality provided at both museums indirectly shows the success of adaptive reuse initiative on the historical buildings towards adapting their new functions as a museum. It was also noted that foreign language leaflets and facilities for less able visitors were among the two service criteria that do not exceed the expectations of users. In general, these findings are crucial in identifying the gap within the services provided and appropriate measures that can be undertaken for further improvement. Research limitations/implications Further study can be employed to a larger population of study to cater for a variety of perspectives from both users and managers of the buildings. Practical implications This paper highlights the implications of users’ feedback towards building usability and functions. It provided imperative findings from the users’ point of view pertaining to the services provided. Social implications The paper illustrates the significance of social perceptions on the implications of service delivery. It also reports empirical evidence in highlighting the importance of users’ attributes towards excellent service delivery. Originality/value Up to present, there exists a small number of studies that look into reviewing the new functions of adaptive reuse buildings. This study now contributes to create a larger number of studies in this scope, especially within the context of Malaysia.

scholarly journals RENOVATION OF ROOF STRUCTURE OF HISTORICAL BUILDING – CASE STUDY

2021 ◽  
Vol 6 (2) ◽  
pp. 71-81
Author(s):  
Marcela Spišáková ◽  
Daria Mokrenko
Keyword(s):  
Point Of View ◽  
Historic Buildings ◽  
Historical Buildings ◽  
Historical Building ◽  
Roof Structure ◽  
Historical Monuments ◽  
Cost Parameters

On the present, the problem of renovation of historical buildings is becoming more and more actual. The role of society is to protect and renovate the historical monuments. The presented article focuses on the problem of renovation of historic buildings from a structural, technological and cost point of view. During the solution of the case study "Renovation of roof structure of the Old Town Hall in Košice", a variant solution of the historic roof renovation was designed in accordance with the principles of historical buildings renovation. Subsequently, the evaluation of the technological and cost parameters for renovation; and determination of the optimal variant for renovation of the historical roof was processed through the methods of multicriterial analysis.

scholarly journals Transparent insulation materials market in Europe

2020 ◽  
Vol 29 (3) ◽  
pp. 377-387
Author(s):  
Elżbieta Radziszewska-Zielina ◽  
Filip Kuraj
Keyword(s):  
Energy Efficiency ◽  
Life Cycle ◽  
Thermal Insulation ◽  
Return On Investment ◽  
Construction Sector ◽  
Positive Perception ◽  
Heat Gain ◽  
Insulation Materials ◽  
Insulation Systems ◽  
Materials Used

This paper presents the European market of transparent insulation materials as viewed by manufacturers. The objective of the study was to analyse the application of transparent insulation materials in the construction sector across Europe, determine the popularity of various technologies and materials used to manufacture them, the competition among transparent insulation manufacturers, investment in the development of new transparent insulation technologies, and trends in demand for transparent insulation in Europe. The analysis was performed on the basis of a survey of manufacturers. The use of transparent insulation is associated with high cost, yet the potential return on investment in the form of savings over the course of a building’s life-cycle convinces many potential developers to apply these materials. Based on the results of the survey, it can be concluded that European companies follow the increase in energy-efficiency and the transparent insulation market is prosperous, yet differs from country to country. It was observed that the positive perception of indirect heat gain transparent insulation systems was the most prevalent in Germany. The paper also explores the situation on the author’s domestic market – the Polish transparent thermal insulation market.

scholarly journals Developing a combined Light Detecting And Ranging (LiDAR) and Building Information Modeling (BIM) approach for documentation and deformation assessment of Historical Buildings

2018 ◽  
Vol 149 ◽  
pp. 02011
Author(s):  
Reda Yaagoubi ◽  
Yehia Miky
Keyword(s):  
Point Cloud ◽  
Laser Scanner ◽  
Information Modeling ◽  
Geodetic Reference System ◽  
Ideal Condition ◽  
3D Point Cloud ◽  
Historical Buildings ◽  
Historical Building ◽  
Building Information

Cultural heritage plays a fundamental role in preserving the collective memory of a nation. However, it is noted that many historical buildings suffer from serious deformation that may lead to deterioration or loss. In this paper, we propose an approach for documentation and deformation assessment of historical buildings based on the combination of Terrestrial Light Detecting And Ranging (LiDAR) technology and Building Information Models (BIM). In order to digitally archive the current state of a historical building, classical surveying techniques (Traversing, Levelling and GPS) are integrated with Terrestrial Laser scanner (TLS). A Leica Scan Station C10 is used to accomplish the 3D point cloud acquisition. In addition, Leica GNSS Viva GS15 receivers, a Leica Total Station TCR 1201+ and a Leica Runner 24 are used for classical surveying. The result is a 3D point cloud with high resolution, which is referenced according to the local geodetic reference system Ain el Abd UTM 37N. This point cloud is then used to create a 3D BIM that represents the ideal condition of the building. This BIM also contains some important architectural components of the historical building. To detect and assess the deformation of building’s parts that require an urgent intervention, a comparison between the 3D point cloud and the 3D BIM is performed. To achieve this goal, the main parts of the building in the BIM model (such as ceilings and walls) are compared with the corresponding segments of the 3D point cloud according to the normal vectors of each part. A case study that corresponds to a historical building in Jeddah Historical City named ’Robat Banajah’ is presented to illustrate the proposed approach. This building was built to serve pilgrims that want to perform the fifth pillar of Islam. Then, it was endowed (waqf) as a charity housing for widows and disabled. The results of assessing deformations of the case study show that some rooms are in a degraded condition requiring urgent restoration (distortions reach up to 22 cm), while other building parts are in a non-critical condition.

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