General presentation

騒音・振動評価・改善技術分野（２）

Fri. Jul 8, 2022 9:15 AM - 10:30 AM Room 1 (Main room)

Chair:Yosuke Tanabe(Hitachi, Ltd.)

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9:15 AM - 9:30 AM

[2101-05-01] Vibro acoustic analysis of sound absorbing ducts for car battery

〇Yoshio Kurosawa¹, Shogyo Ki¹, Tsuyoshi Yamashita², Tetsuya Ozaki², Naoyuki Nakaizumi², Yuki Fujita², Manabu Takahashi³ (1. 帝京大学、2. パーカー、3. パーカーアサヒ)

9:30 AM - 9:45 AM

[2101-05-02] Development of noise measurement technology using multicopter drone

〇Toshiya KITAMURA¹, Koki INOMATA², Yoshinari HAYASHI³, Koji NISHIO³, Norio OSHIMA⁴ (1. 山梨大学、2. YITOAマイクロテクノロジー株式会社、3. 旭ビルウォール株式会社、4. 元・中国職業能力開発大学校)

9:45 AM - 10:00 AM

[2101-05-03] Development of sound field control technology to radiate high sound pressure only in the specific direction in a narrow space using three loudspeakers for reproducing the middle-low pitched audio frequencies.

〇akihiko enamito¹, Takahiro Hiruma¹, Osamu Nishimura¹ (1. （株）東芝　)

10:00 AM - 10:15 AM

[2101-05-04] Relation between the stability of the center of gravity and the vibration sensitivity of the seat occupant

〇Zhe Li¹, Ryo Kiyotaki¹, Kohei Ono¹, Osamu Terashima¹ (1. 富山県立大学)

10:15 AM - 10:30 AM

[2101-05-05] Questionnaire Survey on Vibration Patterns for Driving Assistant System generated in a Driving Seat of Fixed type Driving Simulator

〇Takeshi Kawashima¹ (1. 神奈川工科大学)

General presentation

騒音・振動評価・改善技術分野（３）

Fri. Jul 8, 2022 10:30 AM - 12:00 PM Room 1 (Main room)

Chair:Toshiya Kitamura(University of Yamanashi)

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10:30 AM - 10:45 AM

[2106-11-01] Vortex-flow frequency of cavity tone with acoustic resonance

〇Yoshiyuki MARUTA¹, Takeshi TOI¹ (1. 中央大学)

10:45 AM - 11:00 AM

[2106-11-02] Elucidation of the phenomenon of noise generation by high-speed airflow through perforated metal plates

〇Hiroki Matsumoto¹, Kaito Yamaguchi¹ (1. 室蘭工業大学)

11:00 AM - 11:15 AM

[2106-11-03] Acoustic Absorption Phenomena of Perforated Plate with Cross Flow

Hiromitsu Hamakawa¹, 〇Hiroki Harada¹, Ryouya Yamada¹, Eru Kurihara¹, Hidechito Hayashi² (1. 大分大学、2. 長崎大学)

11:15 AM - 11:30 AM

[2106-11-04] On the reduction of the flow-induced noise and its mechanism using porous materials with low acoustic transmission loss

Investigation of the velocity and pressure near porous materials

〇Koki Shige¹, Taisei Kusano¹, Osamu Terashima¹ (1. 富山県立大学)

11:30 AM - 11:45 AM

[2106-11-05] A study for aerodynamic noise reduction effect of pantograph head support by applying alternative method of porous material

〇Takeshi Mitsumoji¹, Yuki Amano¹, Mariko Akutsu¹, Shigeyuki Kobayashi¹, Yusuke Wakabayashi² (1. 公益財団法人鉄道総合技術研究所、2. 東日本旅客鉄道株式会社)

11:45 AM - 12:00 PM

[2106-11-06] Evaluation of Acoustic Performance of New Steel Noise Barrier for Railway Viaducts

〇Daigo Sato¹, Tadashi Toyohara¹, Yukio Abe², Kenjiro Yamamoto², Yuta Nakamura² (1. （公財）鉄道総合技術研究所、2. 日鉄建材（株）)

General presentation

騒音・振動評価・改善技術分野（４）

Fri. Jul 8, 2022 1:00 PM - 2:15 PM Room 1 (Main room)

Chair:Hiromitsu Hamakawa

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1:00 PM - 1:15 PM

[2113-17-01] A Study on Structural Optimization of proper arrangement of damping material for a Partial Structure using SEA by Finite Element Model

〇Katsuhiko Kuroda¹ (1. 長崎総合科学大学)

1:15 PM - 1:30 PM

[2113-17-02] On the numerical analysis method to determine the dominant vibrational mode for the generation of the noise in a cabin

〇Kohei Ono¹, Ryo Kiyotaki¹, Sho Kobayashi¹, Zhe Li¹, Osamu Terashima¹ (1. 富山県立大学)

1:30 PM - 1:45 PM

[2113-17-03] On the downsizing and power consumption saving of the dynamic vibration absorber using magneto-rheological elastomer

〇Ryo Kiyotaki¹, Kohei Ono¹, Zhe Li¹, Osamu Terashima¹, Toshihiko Komatsuzaki² (1. 富山県立大学、2. 金沢大学)

1:45 PM - 2:00 PM

[2113-17-04] Sound pressure planation on region separation control

〇TOSHITAKE KAWAHARA KAWAHARA¹, Satoshi Ishikawa¹, Yousuke Koba¹, Shinya Kijimoto¹ (1. 九州大学)

2:00 PM - 2:15 PM

[2113-17-05] Active noise control for open windows using frame mounted secondary sources

〇Yusei Yoshida¹, Tatsuya Morishita² (1. 東海大院、2. 東海大)

Sessions

Noise and vibration control technology » Improvement technology of noise and vibration

騒音・振動評価・改善技術分野（２）

[2101-05-01] Vibro acoustic analysis of sound absorbing ducts for car battery

[2101-05-02] Development of noise measurement technology using multicopter drone

[2101-05-03] Development of sound field control technology to radiate high sound pressure only in the specific direction in a narrow space using three loudspeakers for reproducing the middle-low pitched audio frequencies.

[2101-05-04] Relation between the stability of the center of gravity and the vibration sensitivity of the seat occupant

[2101-05-05] Questionnaire Survey on Vibration Patterns for Driving Assistant System generated in a Driving Seat of Fixed type Driving Simulator

騒音・振動評価・改善技術分野（３）

[2106-11-01] Vortex-flow frequency of cavity tone with acoustic resonance

[2106-11-02] Elucidation of the phenomenon of noise generation by high-speed airflow through perforated metal plates

[2106-11-03] Acoustic Absorption Phenomena of Perforated Plate with Cross Flow

[2106-11-04] On the reduction of the flow-induced noise and its mechanism using porous materials with low acoustic transmission loss

Investigation of the velocity and pressure near porous materials

[2106-11-05] A study for aerodynamic noise reduction effect of pantograph head support by applying alternative method of porous material

[2106-11-06] Evaluation of Acoustic Performance of New Steel Noise Barrier for Railway Viaducts

騒音・振動評価・改善技術分野（４）

[2113-17-01] A Study on Structural Optimization of proper arrangement of damping material for a Partial Structure using SEA by Finite Element Model

[2113-17-02] On the numerical analysis method to determine the dominant vibrational mode for the generation of the noise in a cabin

[2113-17-03] On the downsizing and power consumption saving of the dynamic vibration absorber using magneto-rheological elastomer

[2113-17-04] Sound pressure planation on region separation control

[2113-17-05] Active noise control for open windows using frame mounted secondary sources

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