Results 11 to 20 of about 576,291 (256)

Development of Solar Accumulating Drying Equipment Based on the Theoretical Studies of Solar Energy Accumulation

open access: yesИзвестия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2020
The process of heating a dewatered object in an infrared solar drying plant (with paraffin on the bottom) with solar energy storage is considered. To solve this problem, it is assumed that the heat capacity of paraffin exceeds the heat capacity of the ...
J. E. Safarov   +2 more
doaj   +1 more source

Design and Performance Study for Electrothermally Deep-Sea Drive Microunits Using a Paraffin Phase Change Material

open access: yesMicromachines, 2021
Considering the further exploration of the ocean, the requirements for deep-sea operation equipment have increased. Many problems existing in the widely used deep-sea hydraulic system have become increasingly prominent. Compared with the traditional deep-
Dayong Ning   +6 more
doaj   +1 more source

Melting of Paraffin Waxes Embedded in a Porous Matrix Made by Additive Manufacturing

open access: yesApplied Sciences, 2021
The recent advances in additive manufacturing technology have widened the choice of materials that can be printed, opening new frontiers in the field of heat transfer devices.
Andrea Diani   +2 more
doaj   +1 more source

Effect of Structural Condition of Milk Processing Facilities and Food Safety Systems on Escherichia coli and Coliforms Presence in Cultured Buttermilk

open access: yesJournal of Food Quality, 2019
The study investigated the effect of structural conditions of milk processing facilities and food safety systems on E. coli and coliform presence in buttermilk.
Annah S. Paraffin   +2 more
doaj   +1 more source

Physiological and biochemical responses of harvested rambutan (Nephelium lappaceum L.) fruits to postharvest dip treatments during storage

open access: yesEnvironment Conservation Journal, 2018
The effect of pretreatments on rambutan fruit (Nephelium lappaceum L.) browning properties during storage or shelf-life was determined. Water loss in rambutan fruits induces degradation of nutritional value and imposes stress that increases respiration ...
Manjunath J Shetty   +4 more
doaj   +1 more source

Perceptions of Factors Affecting Milk Quality and Safety among Large- and Small-Scale Dairy Farmers in Zimbabwe

open access: yesJournal of Food Quality, 2018
The study investigated the perceptions of milk producers on milk quality and safety. Randomly selected large-scale farmers (n=158) and small-scale farmers (n=186) were surveyed using semistructured questionnaires.
Annah Shingirai Paraffin   +2 more
doaj   +1 more source

Justification of parameters artificial soil for laboratory research of cutting edge wear

open access: yesСельскохозяйственные машины и технологии, 2017
For soil cultivation with the cutting tools of agricultural machines we can allocate three main types of shavings: shift, separation and continuous chip.
I. V. Liskin   +2 more
doaj   +1 more source

Effect of annular ribs in heat exchanger tubes on the performance of phase‐change regenerative heat exchangers

open access: yesEnergy Science & Engineering, 2023
Optimizing the efficiency of conventional heat exchangers is critical for improving the performance of various processes. This study proposed increasing the heat dissipation buffer space of heat exchangers by filling the gap between the heat exchanger ...
Chuanhui Zhu   +4 more
doaj   +1 more source

Experimental Evaluation of a Paraffin as Phase Change Material for Thermal Energy Storage in Laboratory Equipment and in a Shell-and-Tube Heat Exchanger

open access: yesApplied Sciences, 2016
The thermal behavior of a commercial paraffin with a melting temperature of 58 °C is analyzed as a phase change material (PCM) candidate for industrial waste heat recovery and domestic hot water applications.
Jaume Gasia   +4 more
doaj   +1 more source

Preparation and properties of biomass porous carbon composite phase change materials

open access: yes工程科学学报, 2020
Presently, combining porous and high-thermal-conductivity matrices with phase change materials is widely used to improve the comprehensive properties of organic composite phase change materials.
Zhang TAO   +4 more
doaj   +1 more source

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