Results 71 to 80 of about 217,272 (213)

Model predictive control scheme for rotorcraft inverse simulation [PDF]

open access: yes, 2011
A novel inverse simulation scheme is proposed for application to rotorcraft dynamic models. The algorithm is based on a model predictive control scheme that allows for a faster solution of the inverse simulation step, working on a lower{order ...
Anonymous   +6 more
core   +1 more source

Toward Superb Perovskite Oxide Electrocatalysts: Engineering of Coupled Nanocomposites

open access: yesSmall, Volume 18, Issue 50, December 15, 2022., 2022
Engineering coupled nanocomposites for perovskite oxide‐based catalysts is promising in boosting catalytic performances due to their intrinsic features, including infinite interfaces with solid interaction, tunable compositions, flexible configurations, and maximum synergistic effects between assorted components.
Liang Han   +3 more
wiley   +1 more source

Theoretical analysis of Ellis fluid flow in two layers due to metachronal propulsion subject to heat and mass transfer: Application in biological function

open access: yesCase Studies in Thermal Engineering
This study uses a metaphor to describe the motion of cilia with heat and mass transfer, and it highlights the importance of research for understanding biological function.
Sidra Shaheen   +3 more
doaj  

Health State Assessment Method for Complex Systems Based on Correlation Decoupled Belief Rule Base

open access: yesEnergy Science &Engineering, EarlyView.
In engineering practice, complex systems are subject to noise, and correlations can exist between attributes. This correlation can have a through effect on the validity of equipment health state evaluation. This paper proposes a belief rule base model that considers the correlation of attributes, which effectively enhances the accuracy and robustness ...
Sulong Li   +3 more
wiley   +1 more source

Landing characteristics of an autogiro [PDF]

open access: yes
An investigation to determine the rate of descent, the horizontal velocity, and the attitude at contact of an autogiro in landings was made by the National Advisory Committee for Aeronautics at the request of the Bureau of Air Commerce, Department of ...
Peck, William C
core   +1 more source

Challenges and Perspectives on Photocatalytic Membrane Reactors for Volatile Organic Compounds Degradation and Nitrogen Oxides Treatment

open access: yesGlobal Challenges, EarlyView.
Photocatalytic membrane reactors (PMRs) find the synergy of membranes as flexible, stable, permeable hosts to incorporate photocatalytic materials. This combination has strong potential in air purification systems, particularly the decontamination of air via reactive‐species‐induced degradation of volatile organic compounds and nitrogen oxides.
Muhammad Hassnain   +4 more
wiley   +1 more source

Sustainable Hydrogen Production, a Review of Methods, Types, Applications, Challenges, and Future Perspectives

open access: yesGlobal Challenges, EarlyView.
This graphical abstract illustrates sustainable hydrogen production methods integrating solar, wind, and biomass sources. It highlights electrolysis as the central green hydrogen pathway and contrasts renewable and industrial uses. Color‐coded hydrogen types depict the diversity in production technologies, emphasizing clean energy transitions and ...
Sajid Ali Ansari   +7 more
wiley   +1 more source

Numerical investigation of the effects of variable fluid properties on cilia-driven flow of tangent hyperbolic fluid in a channel with heat and mass transfer: A new approach to microfluidic pumps

open access: yesCase Studies in Thermal Engineering
Heat, mass transfer, and non-Newtonian fluid flow processes have gained significant interest in various industrial applications due to their substantial significance in the fields of technology, engineering, and science. The aforementioned processes hold
Zhong Min   +4 more
doaj  

Theoretical analysis of Reiner-Philippoff fluid flow in two layers due to metachronal propulsion: Subject to surrounding temperature

open access: yesCase Studies in Thermal Engineering
Mucociliary clearance plays a crucial role within the respiratory system as an initial protective mechanism against infections. Hence, it is imperative to validate any assumptions made regarding the mucociliary clearance and its impact on its ...
Muhammad Bilal Arain   +4 more
doaj  

Pattern-Based Genetic Algorithm for Airborne Conflict Resolution [PDF]

open access: yes
NASA has developed the Autonomous Operations Planner (AOP) airborne decision support tool to explore advanced air traffic control concepts that include delegating separation authority to aircraft.
Karr, David A., Vivona, Robert A.
core   +1 more source

Home - About - Disclaimer - Privacy