Results 11 to 20 of about 21,189 (306)

Orbital dynamics of earth-orbiting 'smart dust' spacecraft under the effects of solar radiation pressure and aerodynamic drag [PDF]

, 2010
This paper investigates how the perturbations due to asymmetric solar radiation pressure, in presence of Earth's shadow, and atmospheric drag can be balanced to obtain long-lived Earth centered orbits for swarms of SpaceChips, without the use of active ...
COLOMBO, CAMILLA, Colin McInnes, Mcinnes, Colin, Camilla Colombo, Colombo, C., McInnes, C.R.   +5 more
core   +1 more source

Magneto-Rossby Waves and Seismology of Solar Interior

Frontiers in Astronomy and Space Sciences, 2018
Eleven-year Schwabe cycle in solar activity is not yet fully understood despite of its almost two century discovery. It is generally interpreted as owing to some sort of magnetic dynamo operating below or inside the convection zone.
Teimuraz V. Zaqarashvili, Teimuraz V. Zaqarashvili, Teimuraz V. Zaqarashvili, Eka Gurgenashvili   +3 more
doaj   +1 more source

Reducing interior temperature resulting from solar energy using three-dimensional surface patterns

Advances in Mechanical Engineering, 2015
Excessive solar energy can significantly increase interior temperatures and yield great energy demands for air conditioning. Whereas reducing energy consumptions is very crucial today, this article employs patterned glass technology which incorporates ...
Shiang-Jiun Lin, Hao-Hu Li, Yong-Cheng Chen, Yung-Chen Chou   +3 more
doaj   +1 more source

Parameterization Studies of Solar Chimneys in the Tropics

Energies, 2013
The paper examines the effect of the solar chimney’s stack height, depth, width and inlet position on the interior performance (air temperature and speed at 1.20 m height above the ground) as well as proposes an optimal tropical solar chimney ...
Alex Yong Kwang Tan, Nyuk Hien Wong
doaj   +1 more source

Aproveitamento térmico de coletor solar na desinfestação de substrato

Revista Verde de Agroecologia e Desenvolvimento Sustentável, 2021
A desinfestação do substrato torna-se obrigatória na produção de mudas sadias e com vigor. No entanto, o tratamento convencional com agroquímicos pode ser insatisfatório, devido aos custos e aos riscos de vácuo biológico e intoxicação.
Ronaldo Antonio dos Santos, Eusímio Felisbino Fraga Júnior, Vanessa Andaló, Daniel Martins da Silva   +3 more
doaj   +1 more source

Orbital dynamics of high area-to-mass ratio spacecraft with J2 and solar radiation pressure for novel Earth observation and communication services [PDF]

, 2012
This paper investigates the effect of planetary oblateness and solar radiation pressure on the orbits of high area-to-mass spacecraft. A planar Hamiltonian model shows the existence of equilibrium orbits with the orbit apogee pointing towards or away ...
Colombo, Camilla, McInnes, Colin, Mclnnes, Colin R., Lucking, Charlotte, McInnes, Colin R.   +4 more
core   +1 more source

Orbit design for future SpaceChip swarm missions in a planetary atmosphere [PDF]

, 2012
The effect of solar radiation pressure and atmospheric drag on the orbital dynamics of satellites-on-a-chip (SpaceChips) is exploited to design equatorial long-lived orbits about the oblate Earth.
Colombo, Camilla, McInnes, Colin
core   +1 more source

The Solar Wind Interaction with (1) Ceres: The Role of Interior Conductivity

The Planetary Science Journal, 2023
As a potential “ocean world,” (1) Ceres’ interior may possess relatively high electrical conductivities on the order of 10 ^−4 –10 ^0 S m ^−1 , suggesting that the solar wind interaction with Ceres may differ from other highly resistive objects such as ...
A. R. Poppe, S. Fatemi
doaj   +1 more source

Simulations of Global Solar Convection with a Fully Compressible CHORUS++ Code

The Astrophysical Journal Supplement Series
Fluid-dynamics simulations of global solar convection are a critically important tool for assessing the dynamics of the solar interior. However, simulation studies with a fully compressible hydrodynamics code are not yet common.
Keiji Hayashi, Alexander G. Kosovichev, Chunlei Liang   +2 more
doaj   +1 more source

Bioinspired Hierarchically Interconnected Supermacroporous Hydrogels via Dual‐Templating for Rapid Atmospheric Water Harvesting

Advanced Functional Materials, EarlyView.
Inspired by lung alveolar architecture, a dual‐templating strategy combining CO2 bubble and ice templating creates mechanically robust super‐macroporous hydrogels with highly interconnected transport pathways. The resulting material achieves 3.37× faster moisture sorption and 1.72× higher solar‐driven water release than single‐templated counterparts ...
Pan Huang, Weiyan Zhu, Yuanyuan Wang, Hanxiao Zhang, Ying Hu, Siyuan Yang, Wenshuai Yang, Hongbo Zeng   +7 more
wiley   +1 more source