Results 31 to 40 of about 10,926,215 (298)

Investigating the experimental parameters of a rib triple pipe heat exchanger

open access: yesCase Studies in Thermal Engineering, 2023
In the current research, the triple concentric-pipe heat exchanger is experimentally inspected with regard to the double concentric-pipe heat exchanger.
Kafel Azeez   +2 more
doaj   +1 more source

Optimal Strokes of Low Reynolds Number Linked-Sphere Swimmers

open access: yesApplied Sciences, 2019
Optimal gait design is important for micro-organisms and micro-robots that propel themselves in a fluid environment in the absence of external force or torque.
Qixuan Wang
doaj   +1 more source

Influence of the Reynolds Number on Transonic Tip Flow

open access: yesInternational Journal of Aerospace Engineering, 2020
The tip flows in modern gas turbines are primarily transonic under realistic conditions and significantly impact the overall thrust performance and safety of the turbines.
Wuheng Feng   +3 more
doaj   +1 more source

On‐Demand Activation of Thin Alginate Shell Encapsulated Volatile Liquid for Untethered Pneumatic Soft Actuation

open access: yesAdvanced Engineering Materials, EarlyView.
Phase‐changing liquids enable untethered pneumatic actuation in soft robotics but suffer from volatility and storage challenges. This work reports a simple method to encapsulate Novec 7000 within micron‐thin alginate shells via in situ injection and ionic crosslinking.
Rayan A. M. Basodan   +3 more
wiley   +1 more source

Steady flow over triangular extended solid attached to square cylinder – A method to reduce drag

open access: yesAin Shams Engineering Journal, 2015
Numerical analysis of two dimensional steady flows over a triangular extended solid (thorn) attached to square cylinder positioned at front stagnation point and at rear stagnation point separately is reported at low Reynolds number (Re = 40).
Prasenjit Dey, Ajoy Kr. Das
doaj   +1 more source

MPI‐Guided Photothermal Therapy of Prostate Cancer Using Stem Cell Delivery of Magnetotheranostic Nanoflowers

open access: yesAdvanced Functional Materials, EarlyView.
Tumor‐tropic human mesenchymal stem cells (hMSCs) were used as delivery vehicles for magnetotheranostic gold–iron oxide nanoflowers. Magnetic particle imaging of the iron component demonstrated widespread intratumoral distribution and sustained retention in contrast to injection of naked nanoflowers.
Behnaz Ghaemi   +7 more
wiley   +1 more source

Shaping of Biohybrid Functional Living Materials

open access: yesAdvanced Functional Materials, EarlyView.
This work demonstrates a strategy for shaping living mycelium into functional materials by directing its natural growth. Nanoparticles armor hyphae, micron‐scale particles entangle within the network, and printed hydrogel architectures steer expansion, creating defined geometries.
Sarah Schyck   +3 more
wiley   +1 more source

Influence of Chemical Kinetics on Tulip Flame Formation in Highly Reactive (H2/Air) and Low Reactive (CH4/Air) Mixtures

open access: yesEnergies
The early stages of hydrogen–air and methane–air flame dynamics and the development and evolution of tulip flames in closed tubes of various aspect ratios and in a semi-open tube are studied by solving the fully compressible reactive Navier–Stokes ...
Chengeng Qian, Mikhail A. Liberman
doaj   +1 more source

Rotational Maneuvers of Copepod Nauplii at Low Reynolds Number

open access: yesFluids, 2020
Copepods are agile microcrustaceans that are capable of maneuvering freely in water. However, the physical mechanisms driving their rotational motion are not entirely clear in small larvae (nauplii).
Kacie T. M. Niimoto   +4 more
doaj   +1 more source

Strouhal number analysis for the swimming of little penguin (Eudyptula minor): Proof of efficient underwater propulsion

open access: yesResults in Engineering, 2023
Penguins are the utmost specialized wing-propelled divers as their flapping action is accountable for the entire underwater propulsion. However, numerical evidence of how efficient their underwater propulsion is has not been studied to date.
Mahadi Hasan Masud, Peter Dabnichki
doaj   +1 more source

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