Zhen Yu

ORCID: 0000-0001-6747-1809
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About
Contact & Profiles
Research Areas
  • Building Energy and Comfort Optimization
  • Perovskite Materials and Applications
  • Smart Grid Energy Management
  • Geothermal Energy Systems and Applications
  • Conducting polymers and applications
  • Chalcogenide Semiconductor Thin Films
  • Solar Energy Systems and Technologies
  • Quantum Dots Synthesis And Properties
  • Adsorption and Cooling Systems
  • Wind and Air Flow Studies
  • Organic Light-Emitting Diodes Research
  • Youth Substance Use and School Attendance
  • Advanced Sensor and Control Systems
  • Climate change and permafrost
  • Energy Load and Power Forecasting
  • Energy Efficiency and Management
  • Energy and Environmental Systems
  • Modular Robots and Swarm Intelligence
  • Soil and Unsaturated Flow
  • Sustainable Building Design and Assessment
  • Ecology and Vegetation Dynamics Studies
  • Advanced battery technologies research
  • Integrated Energy Systems Optimization
  • Solar Thermal and Photovoltaic Systems
  • Architecture and Computational Design

China Academy of Building Research
2011-2024

Xinyang Normal University
2021-2022

Université de Bretagne Occidentale
2021

State Key Laboratory of Building Safety and Built Environment
2021

Zhejiang University
2010-2012

Tsinghua University
2010-2011

Xiamen University
2011

University of Oxford
2009-2010

<h3>Objective</h3> The Chinese educational system is highly competitive from the start of primary school with great emphasis on academic performance and intolerance failure. This study aimed to explore pressures schoolchildren, determine relationship between these psychosomatic symptoms: abdominal pain headache. <h3>Design</h3> Cross-sectional survey using self-completion questionnaires. <h3>Setting/participants</h3> 9- 12-year-olds in schools urban rural areas Zhejiang Province, eastern...

10.1136/adc.2009.171660 article EN Archives of Disease in Childhood 2010-02-01

Heating, ventilation and air conditioning (HVAC) systems account for approximately 50% of the total energy consumption in buildings. Advanced control optimal operation, seen as key technologies reducing HVAC systems, indispensably rely on an accurate prediction building’s heating/cooling load. Therefore, goal this research is to develop a model capable making such predictions. To streamline process, study employs sensitivity correlation analysis feature selection, thereby eliminating...

10.3390/buildings14010147 article EN cc-by Buildings 2024-01-07

Integrating a suitable hole-transport layer into carbon electrode-based perovskite solar cells can effectively promote their power conversion efficiencies. Here, Cu2SnS3 nanocrystals are synthesized by the hot-injection method, and potential to function as layers in is evaluated for first time. The nanocrystal efficiently extract photogenerated holes from films suppress charge carrier recombination. As result, employing demonstrate maximum efficiency of 16.75%.

10.1021/acsanm.2c02082 article EN ACS Applied Nano Materials 2022-07-22

Finding the optimal balance between end-user's comfort, lifestyle preferences and cost of heating, ventilation air conditioning (HVAC) system, which requires intelligent decision making control. This paper proposes a heating control method for HVAC based on dynamic programming. The first selects most suitable modeling approach controlled building among three machine learning techniques by means statistical performance metrics, after system is described as constrained optimization problem,...

10.3390/ijerph192114137 article EN International Journal of Environmental Research and Public Health 2022-10-29

Abstract Analogs are nearest neighbors of the state a system. By using analogs and their successors in time, one is able to produce empirical forecasts. Several analog forecasting methods have been used atmospheric applications tested on well-known dynamical systems. Such often without reference theoretical connections with Yet, can be related equations system interest. This study investigates properties different strategies by taking local approximations system’s dynamics. We find that...

10.1175/jas-d-20-0204.1 article EN Journal of the Atmospheric Sciences 2021-05-14

SnO2 has been widely recognized as an indispensable electron transporting layer for perovskite solar cells. Therefore, a lot of research interest paid to fabricate low temperature flexible cells using layers. Previous solution processed layers usually rely on presynthesized nanocrystals or complicated post-treatments, which are quite expensive. Herein, we have demonstrated facile method depositing at 100 °C tin oxalate and hydrogen peroxide. We find that volume peroxide is critical with...

10.1021/acsaem.2c03002 article EN ACS Applied Energy Materials 2022-11-22

To achieve zero-energy building target, both China and the US have planned pathway by formulating guidelines standards. has published National technical standard for nearly zero energy (CTS-NZEB), which defines detailed principles of building. The LEED evaluation system been released based on rating system. Defined target scope introduced in this system; however, there are no approaches support future projects achieving Zero Energy certification China, accessible applications analyzed...

10.1177/0144598720923149 article EN cc-by Energy Exploration & Exploitation 2020-05-12
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