1. Development of CFD and Turbulence Methods

• Development of source identification method of environmental pollutants
• Study of prediction of high temperature gas‘s diffusion around the building
• Study of flow structure and prediction accuracy of RANS model for urban flow using PIV and LES
• Benchmark of the lattice Boltzmann method for built wind environment
• Study on consistency of "mean wind speed" in wind environment analyses

2. Development of Optimum Design Method on Urban and Building Environment

• Development of planning optimization method for distributed energy system using GA
• Development of optimization methods for operating energy systems in buildings and districts
• Development of prediction method of characteristics of stratified thermal storage by machine learning
• Development of model predictive control method using ANN and metaheuristics
• A proposal of indoor design method based on exceedance probability in consideration of temperature’s time and place change

3. Investigation of Indoor Air Pollution due to Chemical Contaminant

• Measures against microbial contamination due to building hygiene
• Modeling the dispersion of sputum droplet in different airflow field
• Investigation and control of mass Infection mechanism based on kinematic measurement of microbiome from the environments
• Establishing quantitative evaluation method of contact infection risk using qPCR method

4. Investigation of Human's Thermal Comfort and Breathing Air Quality

• Development of thermal manikin model using simulation
• Benchmark test for a computer simulated person
• Development of desk-integrated personal air-conditioning
• Analysis of pollutant gas diffusion properties from daily portable items
• Verification of ventilation conditions in vehicle
• Study on thermal adaptation in naturally ventilated office buildings in Japan
• Adaptive thermal comfort in offices of North-East India
• The effects of direct airflow of wall-mounted air conditioner on the thermal sensation of the body by using the equivalent temperature analysis
• Factors influencing the convective heat transfer coefficient of the human body
• Evaluation of thermal sensation and comfort of radiant heating system in an environmental test room

5. Development of New HVAC Systems

• Humidification by desiccant air-conditioning
• Geothermal air conditioning system
• Technology development of water circulation heat pump system utilizing solar heat and underground heat operating performance prediction simulation
• Renewable energy thermal utilization in buildings
• Study on energy saving potential of decentralized pump system for water transport in HVAC system
• Development of distributed water source heat-pump system for renewable energy
• Inverse parameter estimation for design of ground-source heat pump (GSHP)
• Exergy analysis of water piping system
• Modeling of active chilled beam
• Simulation on periodic & spatial indoor thermal environment & energy in buildings

6. Analysis of Window Induced Ventilation in and around Buildings

• Ventilation performance of living rooms with balcony
• Wind tunnel experiment on pollutant dispersion and ventilation in void of urban area

7. Sustainable Building and Energy Saving

• Evaluation method for thermal insulation performance of residential house
• Research on dynamic insulation technology applies on houses
• Optimization of operation method of air conditioning system and exergy analysis
• Develop design optimization program aiming to energy saving building
• Research on shape optimization of houses considering thermal performance using metaheuristics
• Shape optimization of the plate fin heat exchanger
• Exergy analysis before and after the geothermal heat pump system renovation
• Study on the effects of evaporation and condensation on the underfloor space of Japanese detached house using CFD analysis
• Net zero energy building workshop

8. Study on Urban Thermal and Air Environment

• Heat island and urban climate
• Analysis of influence of meteorological conditions on summer ozone levels over central Kanto area
• Study of development of atmospheric boundary layer under various atmospheric stability
• Development of numerical prediction models of atmospheric pollutant dispersion
• Evaluation of ventilation capacity in urban areas using WRF/Chem
• Observation of wind profiles in urban boundary layer
• Estimation of natural ventilation parameters by a Bayesian approach
• Study on effect of daily variation of velocity profile on indeterminacy of inner ventilation volume
• High-resolution observation of urban atmospheric environment with mobile measurement
• Study on human impact assessment for various heat island countermeasures using numerical simulation
• Study on integration of vegetation transpiration model into outdoor thermal environment analysis method
• Study on effect of natural ventilation by wind direction variation
• Development of nuilding arrangement optimization methodology considering ventilation
• Space distribution of geometric parameters by GIS data analysis
• Study on urban pollution caused by hazardous substance generation
• Accuracy evaluation of wind environment behind a high-rise building using PIV
• Study of flow structure and prediction accuracy of RANS model for urban flow using PIV and LES
• Future weather data for building thermal load calculation using regional climate model
• Typical and design weather year based on quantile mapping
• Development of a new environmental index for outdoor and mist spray environments