6^th International Conference on Theoretical and Applied Physics May 16-17, 2019 Hotel Holiday Inn, Aurelia Rome, Italy

Biography:

Abstract:

The SUDOKET project aims to map, consolidate and disseminate Key Enabling Technologies (KETs) for the innovative building sector. Thermal energy storage is one of the key elements to optimize the use of available energy resources (especially renewable ones) and to improve the energy efficiency of buildings. Phase change materials (PCMs) used for the thermal energy storage are an important class of materials which substantially contribute to the efficient use and conservation of waste heat and solar energy. In this framework, our objective is to develop and study new biosourced phase change materials, able to compete with water as storage material and presenting improved performances in comparison with currently used PCM (i.e: low cost, high energy density, low ecological impact …).

Among organic PCMs, fatty acids (FAc), fatty alcohols (FAl) and sugar alcohols (SA) are promising candidates. In order to select the most suited binary systems of the latters, a screening step must to be performed. To establish the phase diagrams of materials, the most common methods used are the Differential Scanning Calorimetry (DSC) and the Differential Thermal Analysis (DTA) but the determination of a reliable phase diagram via those standard methods is really time consuming and poorly adapted to screening procedures. An innovative method based on infrared thermography (IRT-method) was first developed in the framework of the European FP7 Research Project SAM.SSA (2012-2015) for the screening of SA-SA binary systems [1], then improved and adapted to binary systems presenting more complex phase diagrams with peritectic, metatectic transitions (FAc-FAc, FAc-FAl) [2]. IRT-method allows establishing their preliminary phase diagram in only a few hours instead of several weeks and was validated confronting the obtained results to data extracted from literature, to experimental data obtained using DSC and to values assessed by thermodynamical models.

Biography:

Qiuhe Peng is mainly engaged in nuclear astrophysics, particle astrophysics and Galactic Astronomy research. In the field of Nuclear Astrophysics, his research project involved a neutron star (pulsar), the supernova explosion mechanism and the thermonuclear reaction inside the star, the synthesis of heavy elements and interstellar radioactive element such as the origin of celestial 26Al. In addition, through his lectures, he establishes Nuclear Astrophysics research in China, He was invited by Peking University, by Tsinghua University (both in Beijing and in Taiwan) and by nuclear physics institutes in Beijing, Shanghai, Lanzhou to give lectures on Nuclear Astrophysics for many times. He has participated in the international academic conferences over 40 times and he visited more than 20 countries. In 1994, he visited eight institutes in USA to give lectures. He is the first Chinese Astrophysicist to visit NASA and to give a lecture on the topic, “Nuclear Synthesis of Interstellar 26Al”. In 2005, he visited USA twice and gave lectures in eight universities again. Inviting six astronomers of USA to give series lectures, he has hosted four consecutive terms summer school on gravitational wave astronomy. After the four summer school obvious effect, at least 20 young scholars in China in the field of gravitational wave astronomy specialized learning and research. 220 research papers by him have been published.

Abstract:

An unusually strong radial magnetic field has been found near our Galactic Center (Eatough  et al., 2013) Its important implication is that the observed radiation from the GC cannot be emitted by the gas of the accretion disk due to accretion plasma fluid being hard to  transfer  cross the magnetic field line by the Lorentz force. This is the first dilemma of the standard accretion disk model of black hole at the GC (Peng et al. 2016).

The second dilemma is that the magnetic field with a lower limit of 8mG near the GC is  hardly produced by É‘-turbulence dynamo mechanism (Peng et al. 2016).

Then I would like talk that the strong radial magnetic field detected in the vicinity of the GC is consistent with the prediction from our model of supermassive object with magnetic monopoles ( Peng and Chou 2001). This is a strong evidence of both no black hole at the GC and existence of magnetic monopoles (Peng et al., 2016, 2017a).

Taking the RC effect (nucleons may decay catalyzed by MM) as an energy source, besides, we have proposed an unified model for various supernova explosion(Peng et al. 2017b). In our model, the remnant of the collapsed core of supernova is still a neutron star rather than a black hole no matter how huge of the supernova mass. That means, black holes with stellar mass are impossible to be formed through supernova explosion.

Biography:

In the last two decades, Augmented Reality (AR) has gained great interest in the technical-scientific community and much effort has been done to overcome its limitations in daily use. Main industrial operations where AR is applied are training, inspections, diagnostics, assembly-disassembly, and repair. These operations usually require the user hands to be free from the AR device controller. Despite hands held devices, such as tablets, smart glasses can guarantee hands free operations with their high wearability, provided that their input does not require hands. The combination of AR with a brain-computer interface (BCI) can provide the solution. BCI is capable of interpreting human intentions by measuring user neuronal activity. In this talk, most interesting results of this technological research effort, as well as its further most recent developments, are reviewed. In particular, after a short survey on research at University of Naples Federico II in cooperation with CERN, the presentation focuses mainly on state-of-the-art research on a wearable monitoring system. AR glasses are integrated with a trainingless non-invasive single-channel BCI, for inspection in the framework of industry 4.0. Average accuracy is 80% at 2.0 s of latency. A case study at CERN, for robotic inspection in hazardous sites, is also reported. 

Abstract:

BioMCP aims to study biosourced phase change materials for the thermal energy storage in buildings and heating networks. Thermal energy storage is one of the key elements to optimize the use of available energy resources (especially renewable ones) and to improve the energy efficiency of buildings. Phase change materials (PCMs) used for the thermal energy storage are an important class of materials which substantially contribute to the efficient use and conservation of waste heat and solar energy. In this framework, our objective is to develop and study new biosourced phase change materials, able to compete with water as storage material and presenting improved performances in comparison with currently used PCM (i.e: low cost, high energy density, low ecological impact …).

Among bio-based materials, Xylitol has a high potential as a thermal energy material. Its melting point is inferior to 95°C which allows combining the storage unit containing Xylitol with cheap solar collectors. Its latent heat is superior to 263 J.g^-1 and its total energy density is 4-5 times higher than the one of water (110-150 kWh.m^-3 whereas it is approximately 30 kWh.m^-3 for water on a seasonal basis). Its high and stable undercooling allows long-term storage in a metastable state with reduced thermal losses and a negligible risk of spontaneous discharge. However, the activation of the energy discharge process (crystallization activation) is difficult and the subsequent crystallization rates (discharge powers) are very low. Our work in the framework of the FP7 EU SAM.SSA Project, coordinated by Elena Palomo del Barrio, aims at finding out an easy to implement and efficient solution to discharge the storage unit at the required power when needed. This means being able to trigger nucleation at any time (or temperature) followed by a crystallization of the entire phase change material in due time. Different techniques to crystallize Xylitol have hence been considered. Finally, the feasibility of an innovative, efficient and low intrusive technique to activate the energy discharge is proven. Bubble agitation is a very promising technique. Our work focuses on providing a better understanding of the influence of bubbling on crystallization, on identifying key related variables and on paving the way for bubbling conditions optimization.

Biography:

Qiuhe Peng is mainly engaged in nuclear astrophysics, particle astrophysics and Galactic Astronomy research. In the field of Nuclear Astrophysics, his research project involved a neutron star (pulsar), the supernova explosion mechanism and the thermonuclear reaction inside the star, the synthesis of heavy elements and interstellar radioactive element such as the origin of celestial 26Al. In addition, through his lectures, he establishes Nuclear Astrophysics research in China, He was invited by Peking University, by Tsinghua University (both in Beijing and in Taiwan) and by nuclear physics institutes in Beijing, Shanghai, Lanzhou to give lectures on Nuclear Astrophysics for many times. He has participated in the international academic conferences over 40 times and he visited more than 20 countries. In 1994, he visited eight institutes in USA to give lectures. He is the first Chinese Astrophysicist to visit NASA and to give a lecture on the topic, “Nuclear Synthesis of Interstellar 26Al”. In 2005, he visited USA twice and gave lectures in eight universities again. Inviting six astronomers of USA to give series lectures, he has hosted four consecutive terms summer school on gravitational wave astronomy. After the four summer school obvious effect, at least 20 young scholars in China in the field of gravitational wave astronomy specialized learning and research. 220 research papers by him have been published.

Abstract:

An anomaly strong radial magnetic field near the Galactic Center (GC) is detected^[1] . The lower limit of the radial magnetic field at r=0.12 pc from the GC is .

Its Possible scientific significances are following:

1. The black hole model at the GC is incorrect. The reason is that  radiations observed from the region neighbor of the GC are hardly emitted by the gas of accretion disk due to it being prevented from approaching to the GC by the abnormally strong radial magnetic field^[2].
2. This is an anticipated signals for existence of magnetic monopoles(MM)^[3].

The lower limit of the detected radial magnetic field is quantitatively in agreement with the prediction of our paper “An AGN model with MM”^[4].

3. Magnetic monopoles may play a key role in some very important astrophysical problems using the Robakov-Callen effect that nucleons may decay catalyzed by MM.

Taking the RC effect as an energy source, we have proposed a unified model for various supernova explosion^[5] , including to solve the question of the energy source both in the Earth core and in the white dwarfs.

4. We may explain the physical reason of the Hot Big Bang of the Universe with the similar mechanism of supernova explosion by using the RC effect as an energy source.