Blar i NTNU Open på forfatter "Gao, Tao"
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Experimental Investigations of Miscellaneous Aerogel Systems Intended for Application in Building Envelopes
Jelle, Bjørn Petter; Gao, Tao (Chapter, 2018)Aerogels may have a promising future as a high-performance thermal insulation material in building envelopes, where the aerogel material achieves its very low thermal conductivity from its air-filled low density silica ... -
High-Performance Nano Insulation Materials for Energy-Efficient Buildings
Jelle, Bjørn Petter; Tilset, Bente Gilbu; Gao, Tao; Grandcolas, Mathieu; Løvvik, Ole Martin; Bohne, Rolf André; Alex Mofid, Sohrab; Ng, Serina; Sagvolden, Espen (Chapter, 2017) -
Hollow Silica Nanospheres as a Possible Pathway towards Thermal Super Insulation Materials
Jelle, Bjørn Petter; Alex Mofid, Sohrab; Gao, Tao; Grandcolas, Mathieu (Chapter, 2021)The world community is shifting its focus towards energy-efficiency, material scarcity versus abundancy, and renewable and non-polluting energy sources, with an ever increasing awareness that we need to pursue sustainable ... -
Hollow Silica Nanospheres as Thermal Insulation Materials for Construction: Impact of their Morphologies as a Function of Synthesis Pathways and Starting Materials
Ng, Serina; Jelle, Bjørn Petter; Sandberg, Linn Ingunn; Gao, Tao; Alex Mofid, Sohrab (Journal article; Peer reviewed, 2018)Hollow silica nanospheres (HSNS) show a promising potential to become good thermal insulators with low thermal conductivity values for construction purposes. The thermal conductivity of HSNSs is dependent on their structural ... -
Impact of convection on thermal performance of aerogel granulate glazing systems
Ihara, Takeshi; Grynning, Steinar; Gao, Tao; Gustavsen, Arild; Jelle, Bjørn Petter (Journal article; Peer reviewed, 2015)Among currently available window systems, aerogel granulate glazing systems are considered promising for achieving good thermal and visual comfort in buildings. In aerogel granulate glazing systems, it is important to ... -
In Vitro Cell Composition Identification of Wood Decay Fungi by Fourier Transform Infrared Spectroscopy
Gupta, Barun Shankar; Jelle, Bjørn Petter; Gao, Tao (Peer reviewed; Journal article, 2022)Decay pathogens follow dissimilar metabolic mechanisms to cause irreversible damage to woody tissues. The objective of this study is to perform inter- and intra-species microbial cell structural comparison using attenuated ... -
Insulating Glazing Units with Silica Aerogel Granules: The Impact of Particle Size
Gao, Tao; Jelle, Bjørn Petter; Ihara, Takeshi; Gustavsen, Arild (Journal article; Peer reviewed, 2014)Innovative glazing units with improved thermal and optical performance are important for energy saving in buildings. In this work, light diffusing and thermally insulating aerogel glazing units (AGUs) have been assembled ... -
Integration of Life Cycle Assessment in the Design of Hollow Silica Nanospheres for Thermal Insulation Applications
Schlanbusch, Reidun Dahl; Jelle, Bjørn Petter; Sandberg, Linn Ingunn Christie; Fufa, Selamawit Mamo; Gao, Tao (Journal article; Peer reviewed, 2014)New materials represent an important part of the strategy towards reduced emissions in the building industry. The relative importance of the embodied energy and carbon footprint from the material production in building ... -
Laboratory Investigations of Polymer-Dispersed Liquid Crystal Films for Applications in Smart Windows
Berntsen, Lotta; Borgos, Isabel (Bachelor thesis, 2024)For å spare energi og øke komforten i bygninger, kan nye innovative smart vindusteknologier være løsningen. Denne studien fokuserer på solstrålings-egenskapene til polymer-dispersed liquid crystal (PDLC) smartfilmer. PDLC ... -
Lightweight and Thermally Insulating Aerogel Glass Materials
Gao, Tao; Jelle, Bjørn Petter; Gustavsen, Arild; He, Jianying (Journal article; Peer reviewed, 2014)Glass represents an important and widely used building material, and crucial aspects to be addressed include thermal conductivity, visible light transmittance, and weight for windows with improved energy efficiency. In ... -
Low-Emissivity Materials for Building Applications: A State-of-the-Art Review and Future Research Perspectives
Jelle, Bjørn Petter; Kalnæs, Simen Edsjø; Gao, Tao (Journal article; Peer reviewed, 2015)Low-emissivity (low-e) materials can be used in order to reduce energy usage in both opaque and transparent areas of a building. The main focus for low-e materials is to reduce the heat transfer through thermal radiation. ... -
Monodisperse Hollow Silica Nanospheres for Nano Insulation Materials: Synthesis, Characterization, and Life Cycle Assessment
Gao, Tao; Jelle, Bjørn Petter; Sandberg, Linn Ingunn Christie; Gustavsen, Arild (Journal article; Peer reviewed, 2013)The application of manufactured nanomaterials provides not only advantages resulting from their unique properties but also disadvantages derived from the high energy use and CO2 burden related to their manufacture, operation, ... -
Nano Insulation Materials Exploiting the Knudsen Effect
Jelle, Bjørn Petter; Alex Mofid, Sohrab; Gao, Tao; Grandcolas, Mathieu; Sletnes, Malin; Sagvolden, Espen (Journal article; Peer reviewed, 2019)As the world's focus is turned even stronger toward miscellaneous energy efficiency and saving aspects, the development of new high-performance thermal insulation materials for building applications will play an important ... -
Nano Insulation Materials: Synthesis and Life Cycle Assessment
Gao, Tao; Sandberg, Linn Ingunn Christie; Jelle, Bjørn Petter (Journal article; Peer reviewed, 2014)The application of manufactured nanomaterials provides not only advantages resulting from their unique properties, but also disadvantages derived from the possible high energy use and CO2 burden related to their manufacture, ... -
Numerical Modeling of Effective Thermal Conductivity of Hollow Silica Nanosphere Packings
Liu, He; Tian, You; Alex Mofid, Sohrab; Li, Shanshan; Zhou, Junjie; Hu, Mengyao; Jelle, Bjørn Petter; Gao, Tao; Wu, Xuehong; Li, Zengyao (Peer reviewed; Journal article, 2021)Hollow silica nanosphere packings (HSNSPs) can significantly suppress heat conduction through solid and gas phases due to the voids, small interparticle contact areas, and nanosized pores, showing promising potentials ... -
Paraotwayite-Type α-Ni(OH)2 Nanowires: Structural, Optical and Electrochemical Properties
Gao, Tao; Jelle, Bjørn Petter (Journal article; Peer reviewed, 2013)Paraotwayite-type nickel hydroxide [Ni(OH)2] nanowires with typical diameters of 20−30 nm and lengths up to several micrometers were prepared via a simple hydrothermal synthesis. The as-prepared nanowires had a mean ... -
Perspective of Aerogel Glazings in Energy Efficient Buildings
Gao, Tao; Ihara, Takeshi; Grynning, Steinar; Jelle, Bjørn Petter; Lien, Anne Gunnarshaug (Journal article; Peer reviewed, 2016)The application perspective of aerogel glazings in energy efficient buildings has been discussed by evaluating their energy efficiency, process economics, and environmental impact. For such a purpose, prototype aerogel ... -
Preparation of low density organosilica monoliths containing hollow silica nanospheres as thermal insulation materials
Grandcolas, Mathieu; Jasinski, Euphrasie; Gao, Tao; Jelle, Bjørn Petter (Journal article; Peer reviewed, 2019)In this study, we demonstrated that low density organosilica monoliths (LDM) containing hollow silica nanospheres (HSNS) may have a great potential for the use as thermal insulation materials. First, hydrophilic and ... -
Silver Nanoparticles as Low-Emissivity Coating Materials
Gao, Tao; Jelle, Bjørn Petter (Journal article; Peer reviewed, 2017)The application potential of silver (Ag) nanoparticles as low-emissivity (low-e) coating materials has been discussed. Ag nanoparticles with an average diameter of about 50 nm were prepared via a wet-chemical method and ... -
Synthesis and Characterization of Tungsten Oxide Electrochromic Thin Films
Zhen, Yingpeng; Gao, Tao; Jelle, Bjørn Petter (Chapter, 2018)A radio frequency sputtering method was utilized and developed for tungsten oxide film preparation. The thickness of tungsten oxide film can be controlled at nano scale. Tungsten oxide thin films with thickness of ~36 nm ...