Particles and photons as drivers for particle release from the surfaces of the Moon and Mercury

P Wurz, S Fatemi, A Galli, J Halekas, Y Harada… - Space science …, 2022 - Springer
Abstract The Moon and Mercury are airless bodies, thus they are directly exposed to the
ambient plasma (ions and electrons), to photons mostly from the Sun from infrared range all …

Techno-economic analysis of photovoltaic/wind hybrid system for onshore/remote area in Indonesia

A Hiendro, R Kurnianto, M Rajagukguk… - Energy, 2013 - Elsevier
Indonesia has considerable wind and solar energy potential, especially on onshore areas.
However the wind and solar energy utilization is still low due to the high investment costs …

Effects of contamination and erosion at the leading edge of blade tip airfoils on the annual energy production of wind turbines

W Han, J Kim, B Kim - Renewable energy, 2018 - Elsevier
Contamination and erosion at the leading edge of blade tips adversely affect the annual
energy production (AEP) of wind turbines. Obtaining pertinent quantitative data would help …

Energy and economic performance of small wind energy systems under different climatic conditions of South Africa

KI Olatayo, JH Wichers, PW Stoker - Renewable and Sustainable Energy …, 2018 - Elsevier
Several studies have established the abundance of the wind resources in South Africa,
which can position the country as a leader in wind power generation continentally if the …

Surface defect detection in tiling Industries using digital image processing methods: Analysis and evaluation

MH Karimi, D Asemani - ISA transactions, 2014 - Elsevier
Ceramic and tile industries should indispensably include a grading stage to quantify the
quality of products. Actually, human control systems are often used for grading purposes. An …

A stochastic fleet size and mix model for maintenance operations at offshore wind farms

C Gundegjerde, IB Halvorsen… - … Research Part C …, 2015 - Elsevier
A fleet of vessels and helicopters is needed to support maintenance operations at offshore
wind farms. The cost of this fleet constitutes a major part of the total maintenance costs …

A 5-day wind speed & power forecasts using a layer recurrent neural network (LRNN)

ZO Olaofe - Sustainable Energy Technologies and Assessments, 2014 - Elsevier
This article presents the long term wind speed and power output of a 40 kW wind turbine
based on a layer recurrent neural network as the predictor. The forecast model utilized the …

Assessment of micro-wind turbines performance in the urban environments: an aided methodology through geographical information systems

A Gagliano, F Nocera, F Patania, A Capizzi - International Journal of …, 2013 - Springer
Among renewable energy sources, the electrical generation from micro-wind turbines has
not yet disclosed its huge potential especially in urban settings. Increasing the spread of …

[PDF][PDF] Comparative study of four methods for estimating Weibull parameters for Halabja, Iraq

SA Ahmed - International Journal of Physical Sciences, 2013 - Citeseer
The Weibull distribution is the standard function used by the wind energy community to
model the wind speed frequency distribution. In this study, four methods are presented for …

Optimal imperfect preventive maintenance policy for equipment leased during successive periods

A Ben Mabrouk, A Chelbi… - International Journal of …, 2016 - Taylor & Francis
In this paper, we consider randomly failing equipment leased several times during their life
cycle with a given warranty period. A mathematical model is developed to determine the …