Self-healing capacity of Mullite-Yb₂SiO₅ environmental barrier coating material with embedded Ti₂AlC MAX phase particles

Repetitive heating and cooling cycles inevitably cause crack damage of hot gas components of gas turbine engines, such as blades and vanes. In this study the self-healing capacity is investigated of mullite + ytterbium monosilicate (Yb₂SiO₅) as EBC material with Ti₂AlC MAX phase particles embedded as a crack...

Data-Driven Approach to Dual Service Failure Monitoring From Negative Online Reviews: Managerial Perspective

Monitoring of dual service failures (e.g., trends in service failures and consecutive service failures) in business is emphasized for service quality management. Previous studies analyzing negative online reviews to conduct dual service failure monitoring from a managerial perspective are scarce. Numerous negative online reviews are useful...

Tetrameric architecture of an active phenol-bound form of the AAA⁺ transcriptional regulator DmpR

The Pseudomonas putida phenol-responsive regulator DmpR is a bacterial enhancer binding protein (bEBP) from the AAA⁺ ATPase family. Even though it was discovered more than two decades ago and has been widely used for aromatic hydrocarbon sensing, the activation mechanism of DmpR has remained elusive. Here, we show that phenol-bound...

Transfer Learning of Artist Group Factors to Musical Genre Classification

The automated recognition of music genres from audio information is a challenging problem, as genre labels are subjective and noisy. Artist labels are less subjective and less noisy, while certain artists may relate more strongly to certain genres. At the same time, at prediction time, it is not guaranteed that artist labels are available for a...

Moving liquid droplets with inertia: Experiment, simulation, and theory

This thesis is a work on a contact line instability at a finite Reynolds number, 0 < Re < O(100). This problem corresponds to an immersion droplet applied in a liquid- immersion lithography machine. We perform extensive works to understand this instability problem by means of experimental, numerical, and theoretical ways. First, in order to...

Experimental investigation of supercavitating flows

Interplay between real and pseudomagnetic field in graphene with strain

We investigate electric and magnetic properties of graphene with rotationally symmetric strain. The strain generates a large pseudomagnetic field with alternating sign in space, which forms a strongly confined quantum dot connected to six chiral channels. The orbital magnetism, degeneracy, and channel opening can be understood from the interplay...

Heat flow analysis of an FPSO topside model with wind effect taken into account: A wind-tunnel test and CFD simulation

Intermodal Freight Transport on the Right Track?: Environmental and economic performances and their trade-off

This dissertation aims to evaluate environmental and economic performances of an intermodal freight transport system and to estimate the trade-off between CO2 emissions, wich is epresented as an indicator of environmental performance, and freight costs, which ndicate the economic performance of the intermodal freight system. The truck-only...

Near field imaging of terahertz focusing onto rectangular apertures

We performed terahertz near-field experiments on single rectangular holes with various lengths grown on an electro-optic crystal substrate with ?/100 resolution. We find that the near-field amplitude becomes proportionally larger as the rectangle becomes narrower, strongly suggesting that a constant energy passes through even for a very narrow...

RANS simulation of a tip-leakage vortex on a ducted marine propulsor

Design and experimental study on a new concept of preswirl stator as an efficient energy-saving device for slow speed full body ship

Computations of viscous flow around propeller-body configurations: Series 60 CB = 0.6 ship model

Drag measurements of flat plates with uniform injection of polymer solutions and their direct application to the wall