BrainMap

Mr. Matei-Razvan Georgescu

PhD.

- UNIVERSITATEA TEHNICA DE CONSTRUCTII BUCURESTI

Researcher | Teaching staff | Scientific reviewer

Expertise & keywords

Innovative high induction air diffusers for improved indoor environmental quality in vehicles Call name: P 2 - SP 2.1 - Proiect experimental - demonstrativ
PN-III-P2-2.1-PED-2021-0559 2022 - 2024

Role in this project:

Coordinating institution: UNIVERSITATEA TEHNICA DE CONSTRUCTII BUCURESTI

Project partners: UNIVERSITATEA TEHNICA DE CONSTRUCTII BUCURESTI (RO); RENAULT TECHNOLOGIE ROUMANIE SRL (RO)

Affiliation:

Project website: http://cambi.utcb.ro/researchprojects/innovent

Abstract:

The scope of current project will be to develop an innovative passive high mixing system of air diffusers implemented in a disassembled Dacia Duster or Sandero dashboard in order to proof its functionality both in terms of improved comfort and reducing the ventilation airflow. The project is starting from concept (TRL2) and the result will be a prototype working in laboratory environment (TRL4). The proposal of the innovative designs of air vents for the present studies was based on the previous findings of the members of the TUCEB research team that have a long interest in this field. The general objective of the current project will be to implement an innovative system of high induction mixing air diffusers in a functional Dacia Duster or Dacia Sandero prototype dashboard model. The specific objectives of the current project are: 1. Developing a high induction air diffuser system ready to be integrated in a Dacia Duster or Dacia Sandero; 2. Performing nonintrusive experimental measurements of the airflow after the high induction air diffuser 3. Verification and validation of the numerical simulations for the high induction air diffuser; 4. Complex numerical models of the airflow inside a vehicle for different configurations of high induction air diffusers; 5. Validation of the innovative air diffuser prototype system using a thermal manikin, ComfortSense equipment and with human subjects.

Innovative seating system to reduce SARS-CoV-2 transmission on board of commercial aircrafts Call name: P 2 - SP 2.1 - Proiect experimental - demonstrativ
PN-III-P2-2.1-PED-2021-2265 2022 - 2024

Role in this project:

Coordinating institution: UNIVERSITATEA TEHNICA DE CONSTRUCTII BUCURESTI

Project partners: UNIVERSITATEA TEHNICA DE CONSTRUCTII BUCURESTI (RO); INSTITUTUL NATIONAL DE CERCETARE-DEZVOLTARE AEROSPATIALA "ELIE CARAFOLI" - I.N.C.A.S. BUCURESTI (RO); UNIVERSITATEA TEHNICA DIN CLUJ - NAPOCA (RO)

Affiliation:

Project website: http://www.cambi.ro/safe

Abstract:

Întreaga omenire a fost perturbată de extinderea pandemiei de COVID 19 de la o țară la altă utilizând căile de comunicație ale lumii moderne. In timp ce statisticile indică aproximativ 220 milioane persoane infectate pe glob, IATA a înregistrat o scădere a veniturilor anuale globale din transportul de pasageri de aproximativ 126 miliarde euro precum și alte pierderi indirecte legate de aspectele economice și sociale grav afectate de virus.

Proiectul SAFE își propune o abordare cuprinzătoare în acest sens pentru a putea răspunde noilor cerințe în ceea ce privește asigurarea un microclimat îmbunătățit al pasagerilor la bordul aeronavelor comerciale în scopul reducerii semnificative a transmiterii aeriene a virușilor de tip SARS sau similari. Pentru a atinge acest obiectiv, ne propunem să investigăm o combinație de strategii diferite de ventilație personalizată de protecție (PPV) utilizând mijloace de protecție precum ecrane, hote sau cabine. Conceptul SAFE folosește avantajele dispozitivelor clasice de ventilare personală care asigură o curgere cu impuls redus pentru a crea în jurul capului pasagerului un curent de aer protector. Vom explora comportamentul și interacțiunea fluxurilor menționate mai sus cu panașul termic al corpului uman. De asemenea vom testa aceste fenomene și atunci când jetul provenit de la al doilea difuzor este umidificat și vom analiza efectul combinat obținut prin cuplarea sistemului de ventilare personalizată.

Adaptative control strategies for an artificial simulator of the human respiratory system Call name: P 1 - SP 1.1 - Proiecte de cercetare Postdoctorală - PD-2021
PN-III-P1-1.1-PD-2021-0342 2022 - 2024

Role in this project:

Coordinating institution: UNIVERSITATEA TEHNICA DE CONSTRUCTII BUCURESTI

Project partners: UNIVERSITATEA TEHNICA DE CONSTRUCTII BUCURESTI (RO)

Affiliation:

Project website: http://cambi.utcb.ro/researchprojects/pneuma

Abstract:

The PNEUMA project aims to conceive and build an artificial breathing simulator (ABS) to experimentally measure the human breath, aiming to accurately represent the functioning of the human lungs. Such a system could enrich the capabilities of thermal human manikins in studies concerning air quality and pollutant/pathological agent transfer.

Currently existing artificial breathing systems are affected by a lack of information available in the literature regarding the experimental representation of the human breathing process (as evidenced by the lack of accord in defining the human breathing zone). Additionally, the breath is habitually represented through sine functions with fixed breathing frequencies and amplitudes which, as recent studies have shown, might not be ideal.

The PNEUMA ABS addresses these issues by functioning as a common framework for researchers to study the human breath. It will feature variable breathing frequency and breathing amplitude and will be equipped with an automated system allowing real-time adjustment of these parameters. The adjustments will depend on the gas exchange between the inhaled air and a secondary fluid with different gas concentrations.

The deliverables of the PNEUMA project are the ABS design documents, hardware and control scheme along with multiple scientific publications as well as project progress reports.

Innovative system to extend the range of electric vehicles at improved thermal comfort Call name: P 2 - SP 2.1 - Proiect experimental - demonstrativ
PN-III-P2-2.1-PED-2019-4249 2020 - 2022

Role in this project:

Coordinating institution: UNIVERSITATEA TEHNICA DE CONSTRUCTII BUCURESTI

Project partners: UNIVERSITATEA TEHNICA DE CONSTRUCTII BUCURESTI (RO); UNIVERSITATEA TEHNICA DIN CLUJ - NAPOCA (RO); ARRK RESEARCH & DEVELOPMENT SRL (RO)

Affiliation: UNIVERSITATEA TEHNICA DE CONSTRUCTII BUCURESTI (RO)

Project website: http://www.cambi.ro/xtreme

Abstract:

The goal of the XTREME project is to contribute to the challenge of the development of new components, systems and architectures required for the next generation of EVs allowing to meet end-users expectations in terms of cost, convenience of long range travel and comfort. Our project is proposing a breakthrough heating and cooling concept to minimize the impact on electrical vehicles range in extreme conditions through a complementary technology, such as localized conditioning of the human thermal environment.

The scope of XTREME project is to develop an experimental demonstrator in order to proof the functionality of the concept for a smart system allowing local heating or cooling of EVs passengers in the same time with the reduction of the electric energy consumption.

Cold weather presents two main challenges for EVs: cold air limits battery performance and running the heating system drains the battery. As temperatures go below freezing, some drivers accustomed to traveling 150 km on a single charge have seen their car’s range drop to 100 km. Drivers in extreme climates might see the range decrease even more. In the same time, during the summer, the air temperature in the vehicle and its interior surfaces could easily reach very high values resulting in a cooling load that is difficult to control only with the air conditioning system (i.e. only through convective heat transfer). The project’s concept is oriented towards the development of a smart heated/cooled car seat prototype for the next generation of EVs. This goal will be achieved by implementing the following objectives: O1. Development of new detailed thermal sensitivity maps of the back seat and gluteal regions with application to local and heating with contact elements, using a new approach based on a grid of sensors and IR thermography; O2. Design of optimal shape of thermal elements based on the previous new detailed high-resolution thermal sensitivity regions; O3. Choice of the best solutions of thermal elements in order to combine them in the new prototype. Several resistive and TE elements solutions will be tested; O4. Design of a control module based on pressure sensors and integration of a metabolic rate control law; O5. Smart heated/cooled seat integration along with its control module and final tests. The completion of all five previous objectives will allow the two general objectives to be achieved.

FILE DESCRIPTION	DOCUMENT
List of research grants as project coordinator or partner team leader
Significant R&D projects for enterprises, as project manager
R&D activities in enterprises
Peer-review activity for international programs/projects