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Zentrifugal-Partikelreceiver stellen eine neuartige Komponente für die konzentrierende solare Energiegestehung (CSP) dar. Sie werden in punktfokussierenden CSP-Kraftwerken eingesetzt und gehören - im Gegensatz zu den bereits im Markt befindlichen indirekt absorbierenden Rohrreceivern - der Gruppe der direktabsorbierenden Receiver an. Als Wärmeträgermedium wird hierbei Granulat genutzt, wie beispielsweise Bauxit-Proppants. Bauxit als Wärmeträgermedium ermöglicht höhere Prozesswirkungsgrade aufgrund von höheren Anwendungstemperaturen als in aktuell kommerziell eingesetzten, indirekt absorbierenden Systemen. Gleichzeitig ist Bauxit-Granulat als Wärmespeichermedium einsetzbar, da es besonders kostengünstig ist. Das Potential des Zentrifugal-Partikelreceiver wurde bereits erfolgreich in einem 15kWth Laborreceiver am Deutschen Zentrum für Luft- und Raumfahrt e.V. bewiesen. Darauf aufbauend verfolgt diese Arbeit das Ziel, die Strömungsmechanik von fließenden Granulaten zu modellieren.

Technology. --- Solarthermische Kraftwerke mit Strahlungsbündelung (CSP) --- Solarturmkraftwerke --- direkt absorbierende Receiver (DAR) --- Partikelreceiver --- particle tracking velocimetry (PTV)

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This Special Issue of Entropy, titled “Recent Advances in Single-Particle Tracking: Experiment and Analysis”, contains a collection of 13 papers concerning different aspects of single-particle tracking, a popular experimental technique that has deeply penetrated molecular biology and statistical and chemical physics. Presenting original research, yet written in an accessible style, this collection will be useful for both newcomers to the field and more experienced researchers looking for some reference. Several papers are written by authorities in the field, and the topics cover aspects of experimental setups, analytical methods of tracking data analysis, a machine learning approach to data and, finally, some more general issues related to diffusion.

diauxic growth --- replicator equation --- mesoscopic model --- integro-differential equations --- anomalous diffusion --- statistical analysis --- single-particle tracking --- trajectory classification --- fractional Brownian motion --- estimation --- autocovariance function --- neural network --- Monte Carlo simulations --- multifractional Brownian motion --- power of the statistical test --- machine learning classification --- feature engineering --- confinement --- information theory --- Brownian particle --- stochastic thermodynamics --- CTRW --- diffusing-diffusivity --- occupation time statistics --- wound healing dynamics --- single pseudo-particle tracking --- phase contrast image segmentation --- 3D single-particle tracking --- Fisher information --- non-uniform illumination --- SPT --- deep learning --- residual neural networks --- random walk --- heterogeneous --- endosomes --- single particle trajectory --- stochastic processes --- trapping

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This Special Issue on "Coastal Deposits: Environmental Implications, Mathematical Modeling, and Technological Development" includes seven high-quality, innovative research papers dealing with many scientific aspects regarding the coast, through mathematical modelling and innovative techniques in the study and preservation of the coastline from erosion, such as coastal watch camera installations, remote sensing, the use of biocementation, or analytical techniques, to assess incompatibilities in the sustainable use of the coast, including worrying issues as pollution of the marine environment and ecosystem deterioration.

Quy Nhon port --- dredged materials --- dumping location --- mud transport --- particle tracking --- 2D model --- ratio-based impervious surface index --- remote sensing information extraction --- urban impervious surface --- urbanisation --- fuzzy AHP --- fuzzy TOPSIS --- titan mining --- environmental conflict --- Ky Anh --- Vung Ang Economic Zone --- Central Coast Vietnam --- beach sand stabilization --- coastal erosion --- local ureolytic bacterium --- microbial induced carbonate precipitation --- crystal morphology --- nearshore areas --- microbially induced carbonate precipitation --- ureolytic bacteria --- urease activity --- biomineralization --- coastal erosion protection --- artificial beachrock --- video monitoring --- shoreline change --- nearshore sandbars --- Fangar bay --- wind --- shallow and small-scale bay --- estuary --- micro tidal --- n/a

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The development of micro- and nanodevices for blood analysis continues to be a growing interdisciplinary subject that demands the careful integration of different research fields. Following the success of the book “Micro/Nano Devices for Blood Analysis”, we invited more authors from the scientific community to participate in and submit their research for a second volume. Researchers from different areas and backgrounds cooperated actively and submitted high-quality research, focusing on the latest advances and challenges in micro- and nanodevices for diagnostics and blood analysis; micro- and nanofluidics; technologies for flow visualization and diagnosis; biochips, organ-on-a-chip and lab-on-a-chip devices; and their applications to research and industry.

blood viscosity --- Erythrocyte sedimentation rate (ESR) --- T-shaped microfluidic channel --- air-compressed syringe (ACS) --- micro-particle image velocimetry --- viscoelasticity --- microfluidic device --- coflowing streams --- interface --- linear differential equation --- two approximate factors --- dielectrophoresis --- electrophysiological properties --- crossover frequency --- wake or recirculation formation --- dielectric spectra --- air compliance effect --- RBC aggregation --- blood viscoelasticity --- blood velocity fields --- interface in co-flowing streams --- blood flow --- particle tracking --- red blood cells --- manual methods --- automatic methods --- image analysis --- biomicrofluidics --- microfluidics --- blood plasma filtration --- chip extract --- blood molecules --- patient-derived organoids --- colorectal cancer --- 3D model --- drug screening --- diagnostics --- malaria --- optical filters --- reflectance --- spectrophotometry --- TFCalc --- small caliber blood vessel --- composite molding --- micro-nano structure --- tissue repair --- 3D printing --- blood cells --- fourier transform infrared (FTIR) spectroscopy --- functional group --- lab-on-a-chip --- n/a

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Membranes play an enormous role in our life. Biological cell membranes control the fluxes of substances in and out of cells. Artificial membranes are widely used in numerous applications including “green” separation processes in chemistry, agroindustry, biology, medicine; they are used as well in energy generation from renewable sources. They largely mimic the structure and functions of biological membranes. The similarity in the structure leads to the similarity in the properties and the approaches to study the laws governing the behavior of both biological and artificial membranes. In this book, some physico-chemical and chemico-physical aspects of the structure and behavior of biological and artificial membranes are investigated.

ion exchange membranes --- profiled membranes --- corrugated membranes --- electrodialysis --- reverse electrodialysis --- membrane capacitive deionization --- hydrodynamic --- mass transfer --- thermal pressing --- 3D printing --- acid whey --- pulsed electric field --- demineralization --- scaling --- lactic acid removal --- ion exchange membrane --- profiled membrane --- CFD --- pressure drop --- structural mechanics --- fluid-structure interaction --- whey --- pulsed electrodialysis reversal --- fouling --- electrodialysis with filtration membrane (EDFM) --- triple size-selective separation --- glucose uptake --- bioassay-guided validation --- bioactive peptides --- electro-convective instability --- overlimiting current --- concentration polarisation --- particle tracking --- biomimetic membrane --- ion pair amphiphile --- cholesterol --- molecular dynamics --- water permeation --- air-pollutant nanoparticle --- coarse-grained model --- interaction --- molecular dynamics simulation --- pulmonary surfactant monolayer --- PP membrane --- O2 plasma --- TiO2 nanoparticles --- UV treatment --- hydrophilicity --- biopolymer electrolyte membranes --- XRD analysis --- FTIR study --- Morphology --- Impedance study --- EDLC fabrication --- LaPO4: Ce --- Tb --- ionic liquid --- supported liquid membrane --- photoluminescence --- hyperbranched polymer --- crosslinking --- alkaline fuel cells --- ionic conductivity --- water swelling --- ion-exchange membranes --- ion-exchange particles --- heterogeneity --- electrokinetics --- current–voltage curves --- ion-exchange membrane --- Fujifilm --- Neosepta --- phosphate transport --- limiting current density --- voltammetry --- zinc–air battery --- separator --- hydroxide exchange membrane --- anion-exchange membrane --- ionic channel --- polyphenylene oxide --- polymer inclusion membrane --- ionic liquids --- volatile fatty acids (VFAs) --- acetic acids --- hexanoic acids --- anomalous water diffusion --- computer simulations --- ion channel gating --- nano-size water pore --- physico-chemical properties of confined water --- protein-water interactions --- TRPV1 channel permeability for water --- water dynamics --- water H-bonding --- NETs --- inner nuclear membrane --- outer nuclear membrane --- nuclear envelope --- polymer blends --- impedance study --- dielectric properties --- electric modulus study --- loss tangent peaks --- ion transport parameters --- Trukhan model --- salinity gradient power --- concentration difference --- electrolyte composition --- n/a --- current-voltage curves --- zinc-air battery