Kinetics of Thermal Decomposition of Particulate Samples of MgCO3: Experiments and Models

F Mancarella, M D'Elia, G Micca Longo, S Longo… - Chemistry, 2022 - mdpi.com
In this work, we study the kinetics of thermal decomposition of MgCO3 in the form of particles
of known size. In the experiments, the material is heated to a known temperature in a …

Theoretical analysis of the atmospheric entry of sub-mm meteoroids of MgxCa1− xCO3 composition

GM Longo, S Longo - Icarus, 2018 - Elsevier
Current models allow to reliably simulate mechanical and thermal phenomena associated
with a micrometeor passage through the Earth's atmosphere. However, these models have …

Evaluation of CaSO4 micrograins in the context of organic matter delivery: thermochemistry and atmospheric entry

GM Longo, V Piccinni, S Longo - International Journal of …, 2019 - cambridge.org
In this paper, anhydrous calcium sulphate CaSO4 (anhydrite) is considered as a carrier
material for organic matter delivery from Space to Earth. Its capability of incorporating …

Performance Evaluation of a Full-Scale Fused Magnesia Furnace for MgO Production Based on Energy and Exergy Analysis

T Jiang, W Zhang, S Liu - Energies, 2021 - mdpi.com
A three-electrode alternating current fused magnesia furnace (AFMF) with advanced control
technology was evaluated by combined energy and exergy analysis. To gain insight into the …

Kinetics of white soft minerals (WSMs) decomposition under conditions of interest for astrobiology: a theoretical and experimental study

G Micca Longo, M D'Elia, S Fonti, S Longo… - Geosciences, 2019 - mdpi.com
In this paper, the thermal decomposition kinetics of a class of minerals that we call White Soft
Minerals (WSMs) is studied by means of theoretical and experimental methods, in …

The role of primordial atmosphere composition in organic matter delivery to early Earth

G Micca Longo, S Longo - Rendiconti Lincei. Scienze Fisiche e Naturali, 2020 - Springer
A model of the atmospheric entry of sub-mm grains is employed to evaluate the effect of the
chemical composition of the primordial Earth's atmosphere on the grain heating, in the …

Atmospheric entry of sub-millimetre-sized grains into Mars atmosphere: white soft mineral micrometeoroids

GM Longo, S Longo - International Journal of Astrobiology, 2022 - cambridge.org
In this work, we study the passage through the Martian atmosphere of micrometeorites with a
white soft mineral (WSM) composition, which have been proposed as transporters of organic …

Micrometeoroids as carriers of organics: modeling of the atmospheric entry and chemical decomposition of sub‐millimeter grains

GM Longo, S Longo - … and Panspermia: New Prospects for the …, 2021 - Wiley Online Library
One of the most exciting perspectives in astrochemistry lies in the part played by molecules
in space, since they might have a crucial role in the Earth's chemical evolution and origin of …

Numerical Analysis of Magnetic–Fluid–Thermal Multifield Coupling Processes in Electric Fused Magnesia Furnace

F Qi, Y Hou, J Xu, B Li - Processes, 2023 - mdpi.com
The production of fused magnesia is a process in which raw materials are melted and
recrystallized in the electric-fused magnesia furnace (EFMF). Temperature is the key factor …

Computer simulations of biotic chiral selection scenarios

S Longo, C Mundo, GM Longo - International Journal of Astrobiology, 2022 - cambridge.org
The biotic scenario of the selection of biological homochirality is one of the most interesting
applications of computer modelling to astrobiology. These scenarios have been studied for …