Results 131 to 140 of about 84,631 (287)

Thermal Pollution Mathematical Model. Volume 4: Verification of Three-Dimensional Rigid-Lid Model at Lake Keowee [PDF]

open access: yes
The rigid lid model was developed to predict three dimensional temperature and velocity distributions in lakes. This model was verified at various sites (Lake Belews, Biscayne Bay, etc.) and th verification at Lake Keowee was the last of these series of ...
Lee, S. S.   +3 more
core   +1 more source

Systems‐Level Optimization of Hybrid Produced Water Treatment Systems for Sustainable Oil and Gas Production: A Review of Current Technologies

open access: yesGlobal Challenges, Volume 10, Issue 2, February 2026.
ABSTRACT Produced water (PW) is the largest and most complex waste stream generated during oil and gas production, posing significant environmental, operational, and regulatory challenges due to its high salinity, dispersed hydrocarbons, toxic organics, heavy metals, and naturally occurring radioactive materials. Although numerous studies have reviewed
Omogbolade L. Adepitan   +3 more
wiley   +1 more source

An optimal scheduling strategy for a wind-solar-hydropower-pumped storage complementary system considering source-load uncertainty

open access: yesZhejiang dianli
To enhance the flexibility regulation capability of new-type power systems and address the volatility and uncertainty brought by large-scale renewable energy integration, an optimal scheduling strategy for a wind-solar-hydro-pumped storage complementary ...
HE Yingjing   +5 more
doaj   +1 more source

An Effective Monitoring of Evolving Groundwater Drought via Multivariate Data Assimilation and Machine Learning

open access: yesWater Resources Research, Volume 62, Issue 2, February 2026.
Abstract Groundwater drought represents one of the most pervasive and difficult‐to‐monitor forms of water scarcity, threatening the reliability of freshwater supply for over 2 billion people worldwide, agricultural productivity, and ecosystem health.
Parnian Ghaneei, Hamid Moradkhani
wiley   +1 more source

Characterizations of long-run producer optima and the short-runapproach to long-run market equilibrium: a general theory withapplications to peak-load pricing [PDF]

open access: yes
This is a new formal framework for the theory of competitive equilibrium and its applications.Our "short-run approach" means the calculation of long-run producer optimaand general equilibria from the short-run solutions to the producer's profit ...
Andrew J Wrobel, Anthony Horsley
core  

Hydro/Battery Hybrid Systems for frequency regulation [PDF]

open access: yes, 2019
An innovative Hydro/Battery Hybrid System (HBHS), composed of a hydropower plant (HPP) and a Battery Energy Storage System (BESS) is proposed to provide frequency regulation services in the Nordic Power System (NPS).
Laban, Danilo
core   +1 more source

Biochar‐Based Fertilizer Is Cost‐Effective, Reduces Nutrient Input and Improves Nutrient Use Efficiency Without Decreasing Yield

open access: yesGCB Bioenergy, Volume 18, Issue 2, February 2026.
Co‐applying half‐rate BMC layer: (i) Reduced nutrient inputs and (ii) produced similar yield. ABSTRACT Developing high‐efficiency fertilizers with less environmental footprint is essential for sustainable cropping systems. This study evaluated a biochar mineral complex (BMC) to reduce nutrient leaching and increase nutrient use efficiency (NUE), yield,
Lakmini Dissanayake   +10 more
wiley   +1 more source

Underground pumped hydro storage

open access: yes, 2018
Dutch energy policy foresees a considerable role for such variable electricity sources as photovoltaic and wind energy. This thesis makes it clear that no adequate measures have been taken to account for the variability of these sources. The approach taken by the Dutch government is to extend cross-border connections, to shift demand away from peak ...
openaire   +2 more sources

MaimAir: A flexible and modular energy storage system for tomorrow energy banks [PDF]

open access: yes, 2016
We considered a novel energy storage system based on the compression of air through pumped water. Differently from CAES on trial, the proposed indirect compression leaves the opportunity to choose the kind of compression from adiabatic to isothermal. The
Fargion, Daniele, Habib, Emanuele
core  

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