Results 11 to 20 of about 819,489 (301)

Indoor climatic status during winter conditions in dairy herds in Bosnia and Herzegovina

open access: yesActa Agriculturae Slovenica, 2016
The aim of this cross-sectional field study was to describe climatic status in dairy barns during winter conditions both in lowland and in mountainous regions of Bosnia and Herzegovina.
Miljan ERBEZ   +3 more
doaj   +1 more source

Electron Drift Velocities in Air [PDF]

open access: yesAustralian Journal of Physics, 1980
The drift velocities of electrons in dry CO2-free air at 293 K have been measured over the range 0·1 ~ Ej N ~ 1 Td for gas pressures between 0·4 and 1 ·3 kPa.
R Hegerberg, ID Reid
openaire   +1 more source

Experimental study of a counter-flow regenerative evaporative cooler [PDF]

open access: yes, 2016
This paper aims to investigate the operational performance and impact factors of a counter-flow regenerative evaporative cooler (REC). This was undertaken through a dedicated experimental process.
Dong, Xuelin   +3 more
core   +1 more source

Actual performance analysis of innovative blinds / Inovatyvių žaliuzių faktinio efektyvumo tyrimas

open access: yesMokslas: Lietuvos Ateitis, 2016
The paper analyses the innovative internal blinds, which allow to use the solar energy, received through a window for a heating, more efficiently and to ensure a greater air velocity due to the convection.
Giedrius Šiupšinskas   +4 more
doaj   +1 more source

IMPACT OF ENVIRONMENTAL CONDITIONS ON THE CAPACITY OF POWER LINES [PDF]

open access: yesActa Electrotechnica et Informatica, 2017
This article deals with determining the value of maximum permissible current with consideration of ambient conditions. Each ambient conditions and their influence on the value of current ampacity for ACSR conductor 350/59 in comparison with ampacity ...
Michal ŠPES   +6 more
doaj   +1 more source

Investigation of Ventilation Systems to Improve Air Quality in the Occupied Zone in Office Buildings

open access: yesBuildings, 2022
As a result of COVID-19, many office buildings around the world have downsized their employees, but the comfort parameters in the building had to be kept.
Szabolcs Szekeres   +3 more
doaj   +1 more source

Velocity Profiles in a Cylindrical Liquid Jet by Reconstructed Velocimetry [PDF]

open access: yes, 2012
An experimental setup and a simple reconstruction method are presented to measure velocity fields inside slightly tapering cylindrical liquid jets traveling through still air.
Castrejon-Pita, JR   +2 more
core   +1 more source

Velocity measurements within high velocity air-water jets [PDF]

open access: yesJournal of Hydraulic Research, 1993
High velocity turbulent jets are often used in hydraulic structures to dissipate energy and to induce or enhance airentrainment. Examples include ski jumps and bottom aeration devices. This article presents new air concentration and velocity measurements performed in the flow development region of high velocity water jets.
openaire   +2 more sources

Evaluation of thermal comfort conditions in a classroom equipped with radiant cooling systems and subjected to uniform convective environment [PDF]

open access: yes, 2011
The aim of this work is to evaluate numerically the human thermal response that 24 students and 1 teacher feel in a classroom equipped with radiant cooling systems and subjected to uniform convective environments, in lightly warm conditions.
Conceição   +11 more
core   +1 more source

Teknologi Kolektor Surya Berlubang tanpa Kaca Transparan untuk Mengeringkan Daun Gaharu

open access: yesAgritech, 2018
The perforated solar collector technology is a highly potential solution to take advantage of renewable energy in tropical countries such as Indonesia. This technology can be applied as a simple technology for drying of agricultural products.
Irwin Bizzy   +2 more
doaj   +1 more source

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