Results 11 to 20 of about 25,653 (262)
IEEE Access, 2019 We study laser speckle reduction by light pipes, and we propose a new method to improve its efficiency. Proof-of-concept refractive optical elements (ROEs) with a staircase-like structure are introduced before a holographic diffuser to split a laser beam
Zhaomin Tong +5 more
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Development of a simple light pipe from a Fresnel lens [PDF]
Warasan Witthayasat Lae Theknoloyi Mahawitthayalai Mahasarakham, 2020 This research developed a simple light pipe from using a Fresnel lens as a light source to supply natural light to a light pipe made of a zinc sheet. The objectives of the study were to (1) find the best focal length or focal distance of the Fresnel lens
Sorawit Sonsaree
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evaluation of economic efficiency of low thickness light ductile iron pipe in comparison with polymeric and composite pipes [PDF]
علوم و مهندسی آب و فاضلاب, 2017 Technical characteristics should be matched with desired performance. Investigation of cost effectiveness of pipe materials in short and long term usages is essential.
Mehrdad Rashidzadeh
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International Journal of Sustainable Energy, 2022 Light holds an important place in the way of life of humans. The first type of lighting which could be exploited was daylight. Tubular Daylight Guidance Systems (TDGS) transport and distribute this daylight inside a building.
Bruno Malet-Damour +1 more
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Effect Of EPS Protection On The Buried Pipe Under Stratum Settlement
Journal of Applied Science and Engineering, 2023 Expanded polystyrene (EPS) geofoam is a light and deformable geosynthetic that can reduce the pressure on the pipe by surrounding soil. The protective effect of geofoam bocks protection on the buried pipe under stratum settlement was investigated.
Yun Zeng +6 more
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MODELING OF VERTICAL LIGHT PIPES FOR DAYLIGHT ILLUMINATION OF INDOOR INDUSTRIAL BUILDINGS [PDF]
Научно-технический вестник информационных технологий, механики и оптики, 2020 The paper considers a daylight transport system model with light pipes, which provides the illumination of building production areas with natural daylight.
Badri Narayan Mohapatra, Jijnyasa Joshi
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CLIMA 2019-Modelling study on pipe-encapsulated PCM wall system for building insulation and active heat removal [PDF]
E3S Web of Conferences, 2019 Phase change material (PCM) can be used in building envelope for heat insulation and energy-saving. However, the energy-saving effect of the PCM wall system is limited in summer since the PCM storing heat in the daytime will become a secondary heat ...
Yan Tian, Xu Xinhua, Gao Jiajia
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Heliostats Daylighting System for Multi-floor Buildings
Journal of Daylighting, 2019 Daylighting has been considered as a major part of sustainable buildings for saving electric lighting and providing benefits such as, health, visual comfort, and productivity of the occupants.
Irfan
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A Hands-on Activity for V(D)J Recombination in an Undergraduate Immunology Class
Journal of Microbiology & Biology Education, 2023 This learning activity teaches the difficult concept of V(D)J recombination as it occurs in B cells. Following the traditional lecture, this hands-on activity uses pipe cleaners of various colors representing variable, joining, and diversity gene ...
Kelly N. Hallstrom, Gwendowlyn S. Knapp
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Advances in Mechanical Engineering, 2013 The inspection of pipe inside is very important so as to ensure the safety of pipe transmission. The pipe defect detection method based on inside 3D points acquired by circle structured light vision system was discussed in this paper.
Wang Ying, Jin Cuiyun, Zhang Yanhui
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