Results 31 to 40 of about 42,262 (295)

Determination of thermal and drying performances of the solar air dryer with solar tracking system: Apple drying test

open access: yesCase Studies in Thermal Engineering, 2020
The present experimental study, the thermal performance of a solar air dryer with solar tracking system was investigated. Solar air collector (SAC) has been provided with solar tracking feature using a programmable logic control system that has not been ...
Mehmet Das, Ebru Kavak Akpinar
doaj   +1 more source

Thermohydraulic and condensing phase-change analysis within the indoor unit of a split-type air-conditioner

open access: yesCase Studies in Thermal Engineering, 2020
Split-type air conditioners (SACs) are widely used in households and offices. To aid the design of a SAC, this study develops a theoretical thermohydraulic and condensing phase-change model for the two-dimensional indoor unit of a small-sized SAC.
Chung-Chun Tsao   +4 more
doaj   +1 more source

Design and Fabrication of Polyurethane Foams Modified with Rock Wool Fiber: The Effect of Reinforcement Amount on Acoustical and Mechanical Properties [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2022
Hypothesis: The goal of the study was to focus on improving the acoustic and mechanical properties of polyurethane foams doped with rock wool fibers, at different percentages (rock wool fiber) (0-1.2% by wt), that were synthesized using the ...
Behzad Mohammdi   +4 more
doaj   +1 more source

Physical Modeling of Thermal Processes of the Air Solar Collector with Flow Turbulators

open access: yesEnergy Engineering and Control Systems, 2018
The analysis of existing systems of solar air heating has been carried out. The physical model of the solar air collector (SAC) with additionally installed flow turbulators, which are located in the air channel of the solar collector, is presented to ...
Vasyl Zhelykh   +3 more
doaj   +1 more source

Research on the Sound Absorption Performance of Porous Asphalt Concrete with Different Air Voids Based on the Finite Element Models

open access: yesApplied Sciences, 2022
This paper aims to investigate the effect of the void structure of porous asphalt concrete (PAC) on the sound absorption performance. The sound absorption coefficient (SAC) spectra of PAC with various voids were measured using the transfer function ...
Jianguang Xie, Yiwei Zhu, Zhanqi Wang
doaj   +1 more source

Morphological and histopathological study of Air Sacs (Sacci pneumatic) in Japanese quail (Coturnix coturnix japonica) [PDF]

open access: yesMirror of Research in Veterinary Sciences and Animals, 2012
This study aimed to investigate the anatomical and histological features of air sacs in Japanese quail. Twenty healthy birds from Japanese quail (10 Males and 10 Females) were obtained for routine anatomical and histological study, 2 ml of 10% chloral ...
A.A. Sawad, Diaa A. Udah
doaj   +1 more source

Single atomic cobalt electrocatalyst for efficient oxygen reduction reaction

open access: yeseScience, 2022
Robust oxygen reduction reaction (ORR) catalysts are essential for energy storage and conversion devices, but their development remains challenging. Herein, we design a single-atom catalyst featuring isolated Co anchored on nitrogen-doped carbon (Co-SAC ...
Peng Rao   +8 more
doaj   +1 more source

Sustainable Hybrid Cooling: Integrating Indirect Evaporative and Split Air Conditioning for Improved Indoor Air Quality in Tropical Climates

open access: yesBuildings
To address the limitations of conventional split air conditioners (SACs) that lack proper ventilation, resulting in indoor pollutant buildup and health risks, this study develops and evaluates the performance of a sustainable hybrid air conditioning ...
Tassanu Ruangsuwan   +6 more
doaj   +1 more source

Molecular characterization and lesions associated with Diomedenema diomedeae (Aproctoidea: Desmidocercidae) from grey-headed albatrosses (Thalassarche chrysostoma) on Subantarctic Marion Island

open access: yesInternational Journal for Parasitology: Parasites and Wildlife, 2018
The Prince Edward Islands are Subantarctic islands in the southwest Indian Ocean that are of global importance as seabird nesting sites, and are breeding grounds for five species of albatrosses (Procellariiformes: Diomedeidae).
Ralph E.T. Vanstreels   +6 more
doaj   +1 more source

Research Note: The effects of chick pipping location on broiler live performance

open access: yesPoultry Science, 2021
: The objective of this study was to determine the effects of chick pipping location on live broiler performance. A total of 1,350 hatching eggs were collected from a commercial flock of Ross 308 at 38 wk of age.
A. Uçar, S. Özlü, O. Elibol
doaj   +1 more source

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