Results 1 to 10 of about 872,810 (292)

Validation of the Gel & Wax Boluses and Comparison of their Dosimetric Performance with Virtual Bolus [PDF]

Journal of Biomedical Physics and Engineering, 2019
Background: In general, radiotherapy treatment planning is performed using the virtual bolus. It is necessary to investigate physical bolus in comparison to virtual one.
T R Verma, N K Painuly, M Tyagi, D Johny, R Gupta, M L B Bhatt   +5 more
doaj   +1 more source

Computational Approach of Charging and Discharging Phases in a Novel Compact Solar Collector with Integrated Thermal Energy Storage Tank: Study of Different Phase Change Materials

Energies, 2022
A numerical study was carried out to investigate charging and discharging processes of different phase change materials (PCMs) used for thermal storage in an innovative solar collector, targeting domestic hot water (DHW) requirements.
Maria K. Koukou, Christos Pagkalos, George Dogkas, Michail Gr. Vrachopoulos, Eleni Douvi, Yannis G. Caouris, Polykarpos Papadopoulos   +6 more
doaj   +1 more source

Adding Nano-TiO₂ to Water and Paraffin to Enhance Total Efficiency of a Photovoltaic Thermal PV/T System Subjected to Harsh Weathers

Nanomaterials, 2022
Iraq is characterized by hot and sunny weather with high radiation intensity. These conditions are suitable to produce photovoltaic electricity, on the one hand, but on the other hand are not suitable for photovoltaic modules whose efficiency decreases ...
Miqdam T. Chaichan, Hussein A. Kazem, Ahmed A. Alamiery, Wan Nor Roslam Wan Isahak, Abdul Amir H. Kadhum, Mohd S. Takriff   +5 more
doaj   +1 more source

Influence of Massage and Skin Hydration on Dermal Penetration Efficacy of Nile Red from Petroleum Jelly—An Unexpected Outcome

Pharmaceutics, 2021
The study aimed at comparing the influence of direct and indirect skin hydration as well as massage on the dermal penetration efficacy of active compounds.
Vasudha Kaushik, Yameera Ganashalingam, Robert Schesny, Christian Raab, Soma Sengupta, Cornelia M. Keck   +5 more
doaj   +1 more source

Investigating the effects of depressant additives on the low temperature properties of petroleum products

Алматы технологиялық университетінің хабаршысы, 2021
The article is devoted to the study of the low temperature properties of petroleum products and the influence of depressant additives on former.
A. Sh. Zainullina, D. K. Sibatov
doaj   +3 more sources

NUMERICAL ANALYSIS OF THE PARAFFIN MELTING PROCESS IN A SQUARE CAVITY WITH INCREASE GRADUALLY OF HOT WALL TEMPERATURE

Jurnal Ilmiah SINERGI, 2020
Paraffin as a heat storage material has many advantages but also has drawbacks, namely low thermal conductivity so that the melting time becomes long. Efforts have been made to accelerate the melting time, including by increasing a surface area of the ...
Agus Dwi Korawan
doaj   +1 more source

Optimization of a solar air heater with phase change materials: Experimental and ‎numerical study [PDF]

, 2017
In this paper, a solar air heater (SAH) with phase change material (PCM)-based energy storage is ‎investigated. Paraffin was placed underneath the absorber plate as the PCM.
Kianifar, A, Moradi, Ramin, Wongwises, S
core   +1 more source

The Economic Impact of Paraffin Type and Substrate Mixture on the Production of Grafted Vines—Case Study Muscat Ottonel

Agronomy, 2020
The study focussed on a nursery by analyzing its strategic choices to obtain the best profit on grapevine planting material. The production of grapevine grafts involves high labor and material costs. In this study, Muscat Ottonel grape variety grafted on
Anamaria Călugăr, Dan Corbean, Nastasia Pop, Claudiu Ioan Bunea, Anca Cristina Babeș, Maria Iliescu, Florin Dumitru Bora, Iulia Cristina Muresan   +7 more
doaj   +1 more source

Organic and Inorganic Hybrid Composite Phase Change Material for Inhibiting the Thermal Runaway of Lithium-Ion Batteries

Batteries, 2023
To deal with the flammability of PA (paraffin), this paper proposes a CPCM (composite phase change material) with a high heat-absorbing capacity for mitigating the thermal runaway of lithium-ion batteries.
Jie Mei, Guoqing Shi, He Liu, Zhi Wang
doaj   +1 more source

Archaeometric Study of the Mural Paintings by Saturnino Gatti and Workshop in the Church of San Panfilo, Tornimparte (AQ): The Study of Organic Materials in Original and Restored Areas

Applied Sciences, 2023
In the context of the archaeometrical study of Saturnino Gatti’s wall paintings, a significant aspect concerned the study of the organic component to understand both the original binders used in the original areas and the products used for pictorial ...
Alessia Andreotti, Francesca Caterina Izzo, Ilaria Bonaduce   +2 more
doaj   +1 more source