Results 11 to 20 of about 205 (145)

Simulating the impact of varying vegetation on West African monsoon surface fluxes using a regional convection-permitting model. [PDF]

open access: yesPlant Environ Interact, 2023
Comparison between the use of varying vegetation fraction and fix vegetation fraction in regional climate models over West Africa: Case study of the Unified Model with focus on three different climatic zones. Abstract This study assessed the sensitivity of the West African climate to varying vegetation fractions.
Bamba A   +8 more
europepmc   +2 more sources

Modeling and Design of a Solar Rotary Dryer Bench Test for Phosphate Sludge

open access: yesModelling and Simulation in Engineering, Volume 2022, Issue 1, 2022., 2022
As an eco‐friendlier way to manage mining waste, the use of solar energy to dry phosphate sludge in a rotary dryer is envisioned. As a first step toward this end, a design study for a bench‐scale rotary dryer for phosphate sludge is detailed, using a one‐dimensional mathematical model developed for this task. Using the Engineering Equation Solver (EES)
Khadija Ettahi   +5 more
wiley   +1 more source

Agricultural water management challenges in the Hunza River Basin: Is a solar water pump an alternative option?*

open access: yesIrrigation and Drainage, Volume 70, Issue 4, Page 644-658, October 2021., 2021
Abstract In the glaciated mountains of the Upper Indus Basin of Pakistan, glacier‐ and snowmelt‐ based irrigation systems have been established over several centuries to secure water for cultivation. However, these systems are now facing several challenges, being sensitive to climate change and thus exposed to the resulting extreme events such as ...
Madhav Prasad Dhakal   +6 more
wiley   +1 more source

Smart grid lab research in Europe and beyond

open access: yesInternational Journal of Energy Research, Volume 44, Issue 3, Page 1307-1336, 10 March 2020., 2020
The predominant category of smart grid research is identified to be generation and distributed energy resources (Gen & DER). Grid management and Gen & DER and energy storage and Gen & DER have been found to be popular combinations of topics. An overall increase in publications was observed over the past 11 years in virtually all categories of smart ...
Luca Lena Jansen   +3 more
wiley   +1 more source

Experimental Investigation of Thermal Conductivity and Specific Heat of the Calcium Phosphate Ore for a Drying Application

open access: yesMathematical Problems in Engineering, Volume 2020, Issue 1, 2020., 2020
This paper discusses an experimental investigation to determine regression models for thermal properties of phosphate particles and to analyze the performances of the phosphate flash dryer. For this purpose, the specific heat capacity and thermal conductivity of phosphate particles were experimentally determined by the modulated differential scanning ...
Zhor El Hallaoui   +5 more
wiley   +1 more source

Model-Based Predictive Control of a Solar Reactor

open access: yesSolarPACES Conference Proceedings
The present paper deals with the modelling and control of a solar reactor designed to produce syngas, by exploiting concentrated solar power. A model of the reactor based on the thermodynamic equilibrium is developed.
Youssef Karout   +6 more
doaj   +1 more source

Economic analysis of wind electricity generation in the northern coast of Senegal

open access: yesInternational Journal of Metrology and Quality Engineering, 2014
The main target of this paper is to determine the seasonal features of the wind speed in the northwestern of Senegal and to assess the cost of annual energy output using wind turbines provided from several manufactures.
Ould Bilal B.   +4 more
doaj   +1 more source

New Strategies and Simulation Tools to Optically Design a Field of Heliostats

open access: yesInternational Journal of Photoenergy, Volume 2013, Issue 1, 2013., 2013
A heliostats field is an array of mirrors concentrating the solar power on a receiver, typically placed on a tower. Our research experience in the optical design of heliostats fields for Concentrating Solar Power plants suggested using apposite simulation procedures, which were especially developed to simplify the reproduction of heliostats fields and ...
Paola Sansoni   +6 more
wiley   +1 more source

Managing Heat Transfer Intensity in a Fluidized Particle-in-Tube Solar Receiver

open access: yesSolarPACES Conference Proceedings
Particle flow structure and associated heat transfer coefficient are examined as a function of temperature in a single-tube fluidized bed solar receiver operating in upward particle flow mode.
Ronny Gueguen   +4 more
doaj   +1 more source

Intrahour Direct Normal Irradiance Forecasting Based on Sky Image Processing and Time-Series Analysis

open access: yesSolarPACES Conference Proceedings
The present paper exhibits a hybrid model for intrahour forecasting of direct normal irradiance (DNI). It combines a knowledge-based model, which is used for clear-sky DNI forecasting from DNI measurements, with a machine-learning-based model, that ...
Youssef Karout   +4 more
doaj   +1 more source

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