Graz University of Technology

Null fluid/gravity correspondence

A bstract We construct a new class of perturbative asymptotically Anti-de Sitter pp-wave spacetimes by performing a long-wavelength expansion of Kaigorodov metrics in arbitrary spacetime dimensions. Holographically, these spacetimes are described by a null fluid hydrodynamic expa...

Simulation-based framework for early-stage assessment of building-integrated photovoltaics and battery storage in urban district master planning: Vienna case study

Dense urban districts require decision-support methods that allow architects and planners to evaluate renewable generation, storage and demand interactions while the master plan is still flexible. This paper presents a simulation-based workflow for early-stage assessment of build...

Molecular logics in dual sensor regulation of diguanylate cyclase activity—Phosphorylation OR blue‐light activation

Bacterial cells use multiple environmental cues to regulate levels of the second messenger cyclic dimeric GMP. This compound influences key lifestyle decisions such as motility, biofilm formation, or virulence. Although many diguanylate cyclases (DGCs) combined with various senso...

Model-based online estimation of the product gas water content and the product gas mass flow in a dual fluidized bed steam gasifier using the coarse product gas cleaning section

Replacement of fossil fuels and base chemicals by sustainable alternatives is one of today’s greatest challenges for economy and society. Dual fluidized bed steam gasification with downstream synthesis processes is a promising technology to generate versatile energy carriers and...

Content and composition of inorganic X-ray amorphous materials in temperate climate soils determined by the Rietveld method

Inorganic X-ray amorphous materials (iXAMs) are reactive soil components, including nanocrystalline minerals and mineraloids, often overlooked by mineralogical analyses. We evaluated their abundance and composition in temperate climate soils (Cambisol, Podzol, Chernozem, and Stag...

Deciphering the evolutionary origin of the enantioselectivity of short-chain dehydrogenases from plants toward 1-borneol

Abstract Enzyme engineering has produced numerous methods to optimize enzymes for biotechnological processes; however, less is known about how natural evolution creates new functionalities. We investigate the evolutionary emergence of enantioselectivity in plant borneol dehydroge...

Chalcogenophosphiniteswith a Cyclic Oligosilane Backbone

Abstract A structurally authenticated series of chalcogenophosphinites, R2P(ChPh) (Ch = S, Se, Te), supported by a compact tetrasilaphosphacyclopentane backbone, is presented. The parent secondary phosphane is obtained in two scalable steps from a dichlorohexasilane via substitut...

Spatio-Temporal Behavior of End-Wall Film Cooling of a Turbine Vane with Purge Flow Measured by Fast-Response Pressure-Sensitive Paint

Abstract The demand for high-efficiency, low-emission gas turbines has intensified with growing global energy consumption. In modern turbines, elevated inlet temperatures and uniform combustor-exit profiles expose the first-stage vane endwall to severe thermal loads. Complex vort...

Unruly Comparison: Queerness, Hong Kong, and the Sinophone, Alvin K. Wong (2025)

Review of: Unruly Comparison: Queerness, Hong Kong, and the Sinophone , Alvin K. Wong (2025) Durham, NC and London: Duke University Press, 192 pp., ISBN 978-1-47803-189-5, p/bk, USD 25.95

Numerical investigation of the effective heat transfer coefficient for red clay hollow bricks

This study presents a numerical investigation of the effective heat transfer coefficient in red clay hollow bricks, accounting for the combined effects of heat diffusion in the solid clay and natural convection and thermal radiation within the air-filled cavities. Heat conduction...

Koopman-based reduced-order modelling of discrete dislocation dynamics simulations

Abstract The plastic behaviour of single crystals emerges from the motion and interaction of crystal dislocations, which may nowadays be simulated with so-called discrete dislocation dynamics (DDD) simulations. Data-driven methods offer the prospect that results from DDD simulati...