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Kazuhide Ito

Kyushu University

6-19-1, Hakozaki, Higashiku

Fukuoka, 812-8581

Japan

SCHOLARLY PAPERS

14

DOWNLOADS

677

TOTAL CITATIONS

4

Scholarly Papers (14)

1.

Effect of Crowd Density, Wind Direction, and Air Temperature on the Configuration of Individual Human Breathing Zones in a Semi-Outdoor Environment

Number of pages: 39 Posted: 15 Nov 2023
Kyushu University, Kyushu University, Kyushu University and Kyushu University
Downloads 88 (753,595)
Citation 3

Abstract:

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breathing zone, semi-outdoor environment, social distancing, air temperature, public health

2.

Computational Fluid-Particle Dynamics Method in Predicting the Particle Aspiration and Deposition in the Comprehensive Monkey Respiratory Tract

Number of pages: 44 Posted: 28 Feb 2025
Kyushu University, Kyushu University, affiliation not provided to SSRN and Kyushu University
Downloads 74 (844,901)

Abstract:

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Monkey respiratory tract, Tracheobronchial airway, Computational fluid-particle dynamics, Particle deposition, Aspiration efficiency

3.

Observational Study of Close Contact Behaviors in a Multinational Graduate Student Office

Number of pages: 40 Posted: 11 May 2024
Kyushu University, Kyushu University, Technical University of Denmark and Kyushu University
Downloads 67 (907,769)

Abstract:

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Human behavior, indoor environment, Close contact, Inhomogeneous population, Close contact architecture

4.

Oral Configuration-Dependent Variability of the Metrics of Exhaled Respiratory Droplets During the Consecutive Coughing Event

Number of pages: 40 Posted: 26 Sep 2024
affiliation not provided to SSRN, Kyushu University, Kyushu University and Kyushu University
Downloads 65 (942,565)

Abstract:

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Computational Fluid - Particle Dynamics, Eulerian Wall Film Model, Discrete Phase Model, Sequential Coughing, Inter-subject Variability, Droplets' site origin

5.

Assessing the New Spatiotemporal Airborne Infection Risk Model Across Varied Indoor Air Flowrates: An Experimental Study

Number of pages: 39 Posted: 13 Feb 2025
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Kyushu University and University of Gävle
Downloads 60 (970,490)

Abstract:

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Airborne transmission indoors, spatiotemporal modeling, Transfer probability, purging flowrate, Infection Probability, Airflow dynamics

6.

Skin Surface Boundary Conditions for Dermal Exposure Assessment Using Computer-Simulated Person

Number of pages: 37 Posted: 20 Mar 2025
Kyushu University, Kyushu University, Obayashi Corporation, Obayashi Corporation, Kyushu University and Kyushu University
Downloads 56 (1,000,027)

Abstract:

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Dermal exposure, Passive flux sampler, Metabolic heat generation, Micro-climate around human body, CFD-CSP-PBPK

7.

Respiratory Retention of 35 Toxicants from E-Cigarette Gaseous Emissions: Comprehensive Numerical Study

Number of pages: 39 Posted: 11 Jul 2025
Kyushu University, Kyushu University, Agence Nationale Pour la Sécurité Sanitaire de l’Alimentation de l’Environnement et du Travail and Kyushu University
Downloads 47 (1,109,210)

Abstract:

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Human Health, Inhalation Exposure, Clean Environment, E-cigarette, Public Health

8.

Toward Occupant-Centric System: Multicriteria Optimization of Hybrid Displacement–Personalized Ventilation System Using Computational Fluid Dynamics with Computer-Simulated Person

Number of pages: 35 Posted: 29 Mar 2024
University of the Philippines, Diliman, Kyushu University, affiliation not provided to SSRN and Kyushu University
Downloads 47 (1,109,210)

Abstract:

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Hybrid Ventilation, Thermal Comfort, indoor air quality, Occupant-centric Systems, Multicriteria Optimization, Computational fluid dynamics

9.

Identification of Probabilistic Size of Breathing Zone During Single Inhalation Phase in Semi-Outdoor Environmental Scenarios

Number of pages: 46 Posted: 26 Jun 2023
Kyushu University, Kyushu University, Kyushu University and Kyushu University
Downloads 46 (1,121,190)
Citation 1

Abstract:

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computational fluid dynamics, breathing zone, infection risk, semi-outdoor environment, human health

10.

How Many Scalar Transport Equations Should Be Solved for Indoor Ventilation Efficiency Analysis?

Number of pages: 34 Posted: 23 Jan 2025
affiliation not provided to SSRN, affiliation not provided to SSRN, Kyushu University, Kyushu University and Kyushu University
Downloads 44 (1,133,231)

Abstract:

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Computational Fluid Dynamics, ventilation efficiency, local concentration, average return time

11.

Occupant-Centric Multicriteria Optimization of Hybrid Personalized Hvac System: Impact of Supply Inlet Layout and Returning Airflow Rate

Number of pages: 30 Posted: 26 Oct 2024
Ken Bryan Fernandez, Ryu Itokazu and Kazuhide Ito
University of the Philippines, Diliman, affiliation not provided to SSRN and Kyushu University
Downloads 35 (1,263,436)

Abstract:

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Hybrid personalized systems, HVAC, Indoor air quality, Thermal comfort, Building energy efficiency, Occupant-centric systems

12.

Role of Pollen Particle Shape, Breathing Mode, and Wind Velocity on Human Aspiration and Deposition Efficiencies

Number of pages: 37 Posted: 01 Dec 2025
Kyushu University, Kyushu University, Kyushu University and Kyushu University
Downloads 21 (1,481,165)

Abstract:

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Pollen, Particle shape, Wind Velocity, Semi-outdoor Environment, Deposition Fraction

13.

Age of Air, Purging Flow Rate, and Net Escape Velocity in a Cross-Ventilation Model Sheltered by Urban-Like Blocks Using LES

Number of pages: 23 Posted: 05 Sep 2022
Kyushu University, Kyushu University, Kyushu University and Hong Kong Polytechnic University
Downloads 16 (1,491,251)

Abstract:

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Cross ventilation, Large-eddy simulation, Ventilation indices, Net escape velocity, Purging flow rate, Age of air

14.

Spatiotemporal Probability Density Function for Understanding Indoor Scalar Heterogeneity in Ventilated Rooms

Number of pages: 41 Posted: 27 Mar 2026
affiliation not provided to SSRN, Kyushu University, Kyushu University, affiliation not provided to SSRN, University of Gävle and Kyushu University
Downloads 11 (1,541,665)

Abstract:

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Ventilation effectiveness, Indoor scalar heterogeneity, Computational fluid dynamics, Mass-flux-based stream function, Spatiotemporal probability density function