Results 171 to 180 of about 2,960,575 (358)

The Value of Device Characterization for the Optimization of Organic Solar Cells

open access: yesAdvanced Energy Materials, EarlyView.
Using the example of organic photovoltaics (OPV), this study examines whether and when additional measurements can be helpful in process optimization. A virtual laboratory based on real solar cells serves as a benchmark function to compare two different approaches for process optimization, namely black‐box optimization (black circle) and model‐based ...
Leonard Christen   +4 more
wiley   +1 more source

Doped Zinc Oxide‐Based Piezoelectric Devices for Energy Harvesting and Sensing

open access: yesAdvanced Energy and Sustainability Research, EarlyView.
This review provides a comprehensive overview of material properties, synthesis methods, and characterization techniques of doped ZnO, emphasizing the impact of doping on its structural and functional attributes. It highlights key findings, identifies knowledge gaps, and proposes future research directions to optimize doped ZnO for energy harvesting ...
Congran Jin   +3 more
wiley   +1 more source

Discrete Mathematics/Number Theory

open access: yes, 2017
Discrete mathematics is the study of mathematical structures that are fundamentally discrete rather than continuous. In contrast to real numbers that have the property of varying "smoothly", the objects studied in discrete mathematics such as integers, graphs, and statements do not vary smoothly in this way, but have distinct, separated values ...
openaire   +1 more source

An integrated scheduling and control scheme with two economic layers for demand side management of chemical processes

open access: yesAIChE Journal, EarlyView.
Abstract Integrated dynamic scheduling (IDS) and economic nonlinear model predictive control (eNMPC) enable economic operation of chemical plants subject to volatile energy prices. Herein, we combine the two concepts into an integrated two‐layer scheme. Therein, IDS performs “long‐horizon” scheduling on a day‐ahead (DA) market and eNMPC “short‐horizon”
Jan C. Schulze   +3 more
wiley   +1 more source

Progress, challenges, and future steps in data assimilation for convection‐permitting numerical weather prediction: Report on the virtual meeting held on 10 and 12 November 2021

open access: yesAtmospheric Science Letters, Volume 24, Issue 1, January 2023., 2023
We report on a meeting on progress and challenges in convection‐permitting data assimilation. Novel developments include the assimilation of novel observations such as cloud‐affected satellite radiances, ground‐based profiling networks and aircraft data, as well as methodological advancements in error covariance modelling, and progress in operational ...
Guannan Hu   +7 more
wiley   +1 more source

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