Results 21 to 30 of about 3,789,974 (301)

Effect of Uv Radiation on Dielectric Constant And Thermal Conductivity In Epoxy Phenol Blends [PDF]

open access: yesEngineering and Technology Journal, 2010
Epoxy-phenol system were prepared and studied before and after reinforcing withglass fibers (woven roven 0ο-90ο direction) with volume fraction (vf = 48%). Thesamples irradiated with uv radiation with wave length (λ= 320 nm), irradiation energy(1.5 watt/
Emad S. AL-Hassani
doaj   +1 more source

Thermal Constant of an Experimental Population of Muscina stabulans (Fallén 1817) (Diptera:Muscidae) in the Laboratory

open access: yesMemorias do Instituto Oswaldo Cruz, 2002
A study was conducted to investigate the thermal constant in an experimental population of Muscina stabulans (Fallén 1817). A natural population was obtained from a livestock and their F1 generations were maintained at four constant temperatures (16° ...
Luciene Maura Mascarini   +1 more
doaj   +1 more source

Base temperature, cycle duration, and thermal constant for yacon culture

open access: yesActa Scientiarum. Agronomy, 2021
Yacon is a perennial herbaceous plant that naturally occurs in South America at altitudes ranging from 2,000 m to 3,100 m above sea level. The yacon culture has recently grown in popularity as it has high productive potential in mild climates and ...
Ramon Amaro de Sales   +6 more
doaj   +1 more source

Using the Lattice Boltzmann Method for the numerical study of non-fourier conduction with variable thermal conductivity [PDF]

open access: yesJournal of Heat and Mass Transfer Research, 2018
The lattice Boltzmann method (LBM) was used to analyze two-dimensional (2D) non-Fourier heat conduction with temperature-dependent thermal conductivity. To this end, the evolution of wave-like temperature distributions in a 2D plate was obtained.
AhmadReza Rahmati, A. Gheibi
doaj   +1 more source

The realization of full-bridge inverter controller for resonant high-power electromagnetic thermal energy storage system

open access: yesEnergy Reports, 2022
According to the characteristics of electromagnetic thermal energy storage, the full-bridge inverter and resonant circuit with simple structure, high voltage utilization and high output power are used in this paper.
Xiaoju Yin   +5 more
doaj   +1 more source

Thermal and exergetic analysis of Metal Foam-enhanced Cascaded Thermal Energy Storage (MF-CTES) [PDF]

open access: yes, 2013
Metal Foam-enhanced Cascaded Thermal Energy Storage (MF-CTES) has been proposed to solve the problem of poor heat transfer during heat exchange process, which is caused by unavoidable decrease of temperature differences. This paper conducts a theoretical
Zhao, Changying   +3 more
core   +1 more source

Development and thermal requirements of the Nearctic predator Geocoris punctipes (Hemiptera: Geocoridae) reared at constant and alternating temperatures and fed on Anagasta kuehniella (Lepidoptera: Pyralidae) eggs

open access: yesEuropean Journal of Entomology, 2014
Knowledge of the optimal temperatures for development and survival of biological control agents is essential for efficient mass-rearing and introduction of natural enemies in augmentative biological control programs. We studied the effect of constant and
Ana M. CALIXTO   +3 more
doaj   +1 more source

Research on wellhead flow detection method at low Reynolds number

open access: yesInternational Journal of Thermofluids, 2023
The detection of wellhead fluid flow is critical in the development of low-production wells. The production status can be evaluated according to the flow of production wells. The thermal flowmeter designed in this paper mainly measures the flow of single-
Hongwei Qin, Ruirong Dang, Bo Dang
doaj   +1 more source

Experimental and numerical investigation of an air-to-water heat pipe-based heat exchanger [PDF]

open access: yes, 2015
An experimental and analytical investigation was conducted on an air-to-water heat exchanger equipped with six wickless heat pipes (thermosyphons) charged with water as the working fluid.
Mroue, H   +3 more
core   +1 more source

Thermal requirements of Trissolcus grandis (Hymenoptera: Scelionidae), an egg parasitoid of sunn pest

open access: yesEuropean Journal of Entomology, 2010
Trissolcus grandis is an important egg parasitoid of sunn pest, Eurygaster integriceps Puton (Hemiptera: Scutelleridae), the most serious pest of wheat in Iran. The thermal requirements of two populations of T.
Shahzad IRANIPOUR   +2 more
doaj   +1 more source

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