Showing papers in "Physics Procedia in 2015"

TL;DR: In this paper, a feasibility study on CO 2 -free hydrogen energy supply chain from Australian brown coal linked with CCS (Carbon dioxide Capture and Storage) to Japan is presented.

TL;DR: In this article, the authors distinguish between conduction mode and keyhole mode welding, between pulsed wave and cw laser welding and between CO2-lasers w.r.t.

TL;DR: The study shows that the main expense in LAM is the investment cost of the LAM machine, compared to which the relative proportions of the energy and material costs are very low.

TL;DR: In this article, the first prototype of the Neutron Microscope instrument at Paul ScherrerInstitut (PSI) has been presented, which is based on a very thin gadolinium oxysulfide scintillator screen and a magnifying optics.

TL;DR: A high-level overview of the most prominent tasks and methods that form the basis of data mining is provided.

TL;DR: In this article, a new neutron radiography / tomography / imaging instrument DINGO was built to support the area of neutron imaging research (neutron radiography/tomography) at ANSTO.

TL;DR: SABRE (Sodium-iodide with active background rejection) is a new NaI(Tl) experiment designed to test the DAMA/LIBRA claim for a positive WIMP-dark matter annual modulation signal as mentioned in this paper.

TL;DR: In this paper, the combined utilization of neutron and X-ray imaging for non-invasive investigations of cultural heritage objects is demonstrated on the example of a short sword found a few years ago in lake Zug, Switzerland.

TL;DR: In this paper, physical peculiarities and technology of high speed processes of direct laser deposition have been discussed, on the base of theoretic research and computer modeling the powder transfer has been optimized, increasing process stability and productivity, and principles of nozzles design also have been developed in accordance with technological needs.

TL;DR: In this paper, a novel liquid air energy storage system for electrical power load shifting application is introduced, which is a combination of an air liquefaction cycle and a gas turbine power generation cycle without fuel combustion.

TL;DR: The Neutron Radiography Reactor (NRAD) sits beneath a shielded hot cell facility where neutron radiography and other evaluation techniques are performed on these highly radioactive objects.

TL;DR: The Oak Ridge National Laboratory Neutron Sciences Directorate has installed a neutron imaging beamline at the High Flux Isotope Reactor (HFIR) cold guide hall as discussed by the authors.

TL;DR: Using GE PETtrace 880 machines, this paper established preliminary saturated yields of 2.7 GBq/μA, translating to approximately 174 GBq after a 6 hour irradiation, with a goal of optimizing yields by up to 50%.

TL;DR: In this article, the effects of process parameters such as laser power on single track and layer formation and laser-material interaction phenomena occurring during the powder bed fusion (PBF) process were investigated.

TL;DR: In 2013, the China JinPing underground laboratory (CJPL) was expanded to 96,000 m 3, which can be compared to the existing CJPL-I volume of ∼ 4,000m 3, with eight additional hall spaces, each over 60 m long and approximately 12 m in width as mentioned in this paper.

TL;DR: The current status and future perspectives of the Karlsruhe Tritium Neutrino (KATRIN) Experiment are presented in this article, with a sensitivity of 200 meV (90% CL).

TL;DR: In this paper, the state-of-the-art of acoustic emission non-destructive testing on composites is discussed, and the major realizations via this technique are carried out.

TL;DR: This research proposes a composite methodology integrating Taguchi Design of Experiments, multi-objective optimization and statistical process control, to optimize the manufacturing process and fulfil multiple requirements imposed to an arbitrary geometry.

TL;DR: Using vertically grown hydrothermal ZnO nanowires, the assembly of fully functional piezoelectric energy harvesters on plastics substrates was demonstrated in this article, where a representative device with an active area of 4cm2 was characterised revealing average output voltage generation of ∼22mV (± 1.2) and -32mV(± 0.16) in the positive and negative cycles after 3-4mm periodic deflection at 20Hz.

TL;DR: In this paper, the physical and spectroscopic properties of Sm 3+ containing lithium borate glasses were analyzed and their optical energy band gap was found to decrease with an increase in the amount of borate in the glasses.

TL;DR: The NIST neutron imaging program will build a new imaging instrument in the NCNR guide hall at the end of the neutron guide NG-6, beginning operation in summer of 2015 as mentioned in this paper.

TL;DR: In this paper, the cylindrical boiloff calorimeter is used for absolute heat measurement over the full range of vacuum pressure conditions. The details of this apparatus, test method, and data analysis are given.

TL;DR: In this article, the authors describe some of the challenges that are related to the development of the high power hybrid laser welding process as well as to the perspectives for the technology as a production tool for the heavy metal industry.

TL;DR: A cold neutron imaging and diffraction instrument, IMAT, is currently being constructed at the ISIS second target station as mentioned in this paper, which will capitalize on time-of-flight transmission and diffusion techniques available at a pulsed neutron source.

TL;DR: In this paper, the fully-depleted charge-coupled device (CCD) was used as a particle detector for detecting ionizing energy depositions in a single pixel down to 50 eVee.

TL;DR: In this article, a single-column air separation process is proposed with the implementation of heat pump technique and introduction of LNG cold energy, which is verified and optimized through simulation on the Aspen Hysys® platform.

TL;DR: In this article, the capability of neutron tomography with 3D-DIC to measure deformation fields in rock samples was evaluated. But the results of the experiments were limited to the case of a Bentheim sandstone sample deformed ex-situ at 40 MPa.

TL;DR: In this paper, a model based on Beer's Law has been developed to interpret neutron radiographs to quantitatively determine the water content and degree of saturation in air entrained cementitious materials.

TL;DR: In this article, an in situ synchrotron radiography experiment was performed to investigate bubble dynamics in an Al-10 wt.% Cu alloy under an external ultrasound field at 30 kHz.

TL;DR: In this paper, a comparative analysis of dispersion properties of hollow core photonic crystal fibers (HC PCFs) and negative curvature hollow core fibers (NCHCFs) was carried out.