Results 51 to 60 of about 41,494 (269)

Simulation Research on the Heating Performance of the Combined System of Solar Energy and Heat-Source Tower Heat Pump in a Hot Summer and Cold Winter Area

Energies, 2021
Three connection methods for the combined heating systems of a closed-type heat-source tower heat pump (CHTHP) and solar collector (SC) were proposed in this paper: the heat-source tower (HST) and solar collector were connected in series (HST+SC), and ...
Xiaohang Shen, Nianping Li, Yongga A
doaj   +1 more source

Nonlinear identification of a solar heating system [PDF]

Proceedings of 2005 IEEE Conference on Control Applications, 2005. CCA 2005., 2005
The use of solar heating systems is a way of exploiting the clean and free energy from the sun. To optimize the energy gain from such a system, where the main input, the solar insulation, is an uncontrollable variable, good model of the system dynamics are required.
openaire   +2 more sources

Powering Nanocrystal‐Based Heat Engines With Light‐Emitting Metasurfaces That Influence Their Temperature

Advanced Functional Materials, EarlyView.
Metasurfaces and other structured photonic environments can dramatically modify the absorption and/or light emission of semiconductors. However, the consequences of these changes on the temperature of the system are not well understood. The authors address this problem for colloidal nanocrystals and leverage their findings to convert light into ...
Hugo Kowalczyk, Yihao Yuan, Augustin Caillas, Amel Saidoun, Roméo Bonnet, Pascal Filloux, Emmanuel Lhuillier, Aloyse Degiron   +7 more
wiley   +1 more source

On the Evaluation of Solar Wind's Heating Rates

Geophysical Research Letters, 2023
AbstractSolar wind heating rates have often been calculated by fitting plasma and magnetic field data with a set of model functions. In this letter, we show that the rates obtained by such an approach strongly depend on the rather arbitrary choice one makes for these model functions.
openaire   +5 more sources

Pickering‐Engineered Microparticles for Magnetically Guided Motion and Light‐Triggered Catalysis

Advanced Functional Materials, EarlyView.
Magnetically responsive wax microparticles stabilized by hematite cubes through the Pickering emulsification strategy are developed, showing controlled size, motion, and light‐activated catalytic activity. Annealing under a magnetic field enhances their mobility and steering.
Chiara Ferlito, Ludovico Guercio, Giuseppe Cavallaro, Giuseppe Lazzara, Theodore Hueckel, Lorenzo Lisuzzo, Stefano Sacanna   +6 more
wiley   +1 more source

Effect of biochars on the immobilization and form of Cadmium (Cd) in simulated Cd deposition of iron rich soils

Ecotoxicology and Environmental Safety
Atmospheric deposition of Cd poses a serious threat to ecosystem security. Biochar is widely used for polluted soil remediation, however, whether biochar already applied to the soil can reduce the hazards of newly deposited Cd remains to be studied. Thus,
Xu Wang, Tong Wang, Yizong Huang, Anqi Liu, Qingyun Li, Yunfeng Wang, Ming Li, Fangling Fan, Zhenya Tang   +8 more
doaj   +1 more source

Hybrid Solar Cell/Triboelectric Nanogenerator Based on Stable Two‐Dimensional Covalent Organic Frameworks

Advanced Functional Materials, EarlyView.
This study highlights the integration of stable two‐dimensional covalent organic framework (COF) films as photoactive layers in hybrid nanoenergy devices. The results demonstrate their capacity to generate electricity under both sunny and rainy conditions, showcasing versatility and resilience.
Joab D. Guerrero, Susana Ramos‐Terrón, Salvador R. G. Balestra, José M. Malagón, David Aparicio, Lucia Velasco, Asterios Charisiadis, Dooshaye Moonshiram, Margarita Darder, Pilar Aranda, Bernd Wicklein, Gustavo de Miguel, Javier Pérez‐Carvajal, Eva M. García‐Frutos   +13 more
wiley   +1 more source

Estimates of Proton and Electron Heating Rates Extended to the Near-Sun Environment

The Astrophysical Journal Letters, 2023
A central problem of space plasma physics is how protons and electrons are heated in a turbulent, magnetized plasma. The differential heating of charged species due to dissipation of turbulent fluctuations plays a key role in solar wind evolution ...
R. Bandyopadhyay, C. M. Meyer, W. H. Matthaeus, D. J. McComas, S. R. Cranmer, J. S. Halekas, J. Huang, D. E. Larson, R. Livi, A. Rahmati, P. L. Whittlesey, M. L. Stevens, J. C. Kasper, S. D. Bale   +13 more
doaj   +1 more source

Heating, Cooling and Ventilation with the Solar-Assisted Heat Pump Based on the Air Solar Collector [PDF]

Proceedings of EuroSun2016, 2016
A new concept for solar-assisted heat pumps based on an air solar collector is discussed in this paper. The main objectives of the system have been set on a partial covering of the cooling demand of a building during summer season and simultaneous charging of the thermal storage for domestic hot water usage.
openaire   +2 more sources

Spatially Decoupling Heating and Evaporation for Convection‐Enhanced 3D Solar Evaporation With Continuous Salt Harvesting

Advanced Functional Materials, EarlyView.
An architecture‐enabled bottom‐heated 3D solar convective evaporator spatially decouples photothermal heating from evaporation, triggering natural convection that intensifies sidewall vapour removal and heat transfer. The system achieves significantly enhanced evaporation rates over 2D and conventional 3D designs while confining salt precipitation to ...
Xiaolong Ma, Yan Zhao, Yan Yan, Muhammad Amjad, Guice Yao, Hui Gao, Shudan Wei, Dongsheng Wen   +7 more
wiley   +1 more source