Results 11 to 20 of about 25,025 (163)

Automatic Light Pipe Actuating System for Bimanual Robot-Assisted Retinal Surgery. [PDF]

open access: yesIEEE ASME Trans Mechatron, 2020
He C   +6 more
europepmc   +2 more sources

Development of a simple light pipe from a Fresnel lens [PDF]

open access: yesWarasan 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
doaj  

Light Pipe Comparative Measurement [PDF]

open access: yesProceedings of the 21st International Conference LIGHT SVĚTLO 2015, 2015
The illuminance measurement method for a comparative evaluation of two light pipes is described in the paper. Two commercially available light pipes of similar dimensions were evaluated for light transmittance. Measurement and data processing methodology was completed for the comparison of the light pipe efficiency.
Plch, Jiří   +2 more
openaire   +2 more sources

evaluation of economic efficiency of low thickness light ductile iron pipe in comparison with polymeric and composite pipes [PDF]

open access: yesعلوم 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
doaj   +1 more source

Thermal and spectral impact of building integrated Mirrored Light Pipe to human circadian rhythms and thermal environment

open access: yesInternational 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
doaj   +1 more source

Effect Of EPS Protection On The Buried Pipe Under Stratum Settlement

open access: yesJournal 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
doaj   +1 more source

MODELING OF VERTICAL LIGHT PIPES FOR DAYLIGHT ILLUMINATION OF INDOOR INDUSTRIAL BUILDINGS [PDF]

open access: yesНаучно-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
doaj  

CLIMA 2019-Modelling study on pipe-encapsulated PCM wall system for building insulation and active heat removal [PDF]

open access: yesE3S 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
doaj   +1 more source

A Hands-on Activity for V(D)J Recombination in an Undergraduate Immunology Class

open access: yesJournal 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
doaj   +1 more source

Heliostats Daylighting System for Multi-floor Buildings

open access: yesJournal 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
doaj   +1 more source

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