Search Results:　 1-11 of 11

  • 1

    Effects of Filter Packing Density and Particle Deposit on Classification Performance of Inertial Filter for Sampling of PM0.1

    Eryu Kazunobu , Seto Takafumi , Furuuchi Masami , Otani Yoshio , Tajima Naoko , Kato Takaharu

    … Inertial filter (IF) is a new application of air filter, which is recently developed by the present authors to classify nanoparticles by passing aerosol through an air filter at a high filtration velocity. … It was found that, in inertial regime, the collection efficiency changes markedly with the packing density due to the interactions of neighboring fibers. …

    JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 44(9), 609-615, 2011

    J-STAGE CrossRef

  • 2

    Design of Inertial Filter for Classification of PM0.1  [in Japanese]

    ERYU Kazunobu , SETO Takafumi , MIZUKAMI Yosuke , NAGURA Mizuki , FURUUCHI Masami , TAJIMA Naoko , KATO Takaharu , EHARA Kensei , OTANI Yoshio

    … Inertial filter, which classifies nanoparticles by inertial filtration, has been developed by Otani <I>et al. … The present work is aimed at formulating the fundamental design rules for the inertial filters with an appropriate cutoff size at a low pressure drop. …

    Earozoru Kenkyu 24(1), 24-29, 2009

    J-STAGE Cited by (1)

  • 3

    Enhanced Particle Filtration in Straight Microchannel using Shear-Modulated Inertial Migration

    ASGAR A.

    Phy. Fluids 20, 101702, 2008

    Cited by (2)

  • 4

    Effect of Temperature and Dust Properties on the Filtration and Cleaning Characteristics of Candle-Type Ceramic Filters  [in Japanese]

    HATA Mitsuhiko , FURUUCHI Masami , OKAMOTO Taiju , SEKI Hirakazu

    幾何学特性と熱的特性が異なる二種類の飛灰を用いて，セラミックフィルタにより200, 500, 800°Cでの高温集塵・払い落とし実験を行った．また，飛灰粒子の付着力を推算するため，集塵・払い落とし実験と同じ温度でせん断試験を行った．得られた実験結果と既往の文献データを合わせて，粒子に働く力と堆積粒子層空間率，払い落とし効率との関係を検討した．粒子層堆積構造に影響する因子としてフィルタ表面に捕集され …

    KAGAKU KOGAKU RONBUNSHU 33(6), 519-525, 2007-11-20

    J-STAGE CrossRef References (23)

  • 5

    Oil Mist Collection Performance of Impactor with Impaction Plate Covered with Unwoven Fabrics  [in Japanese]

    WU Chifei , OTANI Yoshio , KONISHI Haruo , EMI Hitoshi , IGARASHI Ichiro

    … 7 mm, (3) If the pressure drop of a fabric is equal to that of an impactor, the collection efficiency of impactor with the fabric is the same as the filtration efficiency of the fabric. …

    Earozoru Kenkyu 15(2), 143-149, 2000-06-20

    J-STAGE References (12)

  • 6

    Collection Efficiency of Granular Bed Filters with Reentrainment of Particle  [in Japanese]

    KIMURA Kaoru , TAKAHASHI Hiroshi

    … The subject of the present study was concerned with the filtration of highly concentrated dust particles, in which the dust entrainment takes place dominantly at the very beginning of filtration. … A model has been proposed to describe the filtration process accompanied by dust capture and reentrainment, based on the evaluation of drag force acting on particles in contact with a granule. …

    KAGAKU KOGAKU RONBUNSHU 22(4), 756-762, 1996-07-10

    J-STAGE CrossRef References (10) Cited by (3)

  • 7

    Study of inertial effects in granular bed filtration

    GAL E.

    AIChE Journal 31, 1093, 1985

    Cited by (2)

  • 8

    Removal of Air-borne Particles by Magnetic Filter : Part 3-Measurements of Diameter and Magnetization of Air-borne Particles  [in Japanese]

    YOSHIKAWA Akira , SAKATA Soichiro

    高こう配磁気フィルタを集じん装置に実用化するには,第一に,排ガスろ過温度と圧力損失に関して湿式洗浄集じん・バッグフィルタと比較すれば,どのような利点があるか,第二に,高温排ガス処理に適用する場合,電気集じん器に対抗できる高い除じん性能が期待できるかどうかを,明らかにしておく必要がある.本報では,磁気フィルタの除じん性能予測の重要な因子である,磁性じんあいの粒子径とその磁化の大きさを測定してみた.各 …

    Transactions of the Society of Heating,Air-Conditioning and Sanitary Engineers of Japan. (10), 51-61, 1979-06-25

    CiNii Fulltext PDF - Open Access 

  • 9

    磁気フィルタによる空気中微粒子の除去--垂直流型磁気フィルタの粒子捕集の解析  [in Japanese]

    Yoshikawa Akira , Sakata Soichiro

    … Dependence of capture radius on relative direction of applied magnetic field to flow direction, on inertial force of air-borne particle, on flow pattern around the circular wire and on difference between ferromagnetic and paramagnetic particles is discussed.<BR>The inertial effect of fine particles on capture radius, which can be usually neglected in high-gradient magnetic filtration for slurry treatment, cannot be ignored for removal of airborne particles. …

    KAGAKU KOGAKU RONBUNSHU 5(5), 493-499, 1979

    J-STAGE CrossRef

  • 10

    PREDICTION OF COLLECTION EFFICIENCY OF AEROSOLS BY HIGH-POROSITY FIBROUS FILTER

    EMI HITOSHI , OKUYAMA KIKUO , YOSHIOKA NAOYA

    … In the filtration of aerosols by a high-porosity fiber mat, the deposition of particles smaller than a few microns in diameter on a fiber depends on the combined effect of inertial impaction, Brownian diffusion, gravitational settling and direct interception, in the case where neither particles nor filters are electrically charged. …

    Journal of Chemical Engineering of Japan 6(4), 349-354, 1973

    J-STAGE CrossRef

  • 11

    Studies on the Dust Proof Faculties of Air Cleaner on Farm Engines : III. On the Faculties of Oil-bath Air Cleaner  [in Japanese]

    CHUMA Yutaka

    (1)油溜油面の上昇は除塵率を高める.0〜最高油面間で18%の差を生じた.(2)油溜オイルを稀釈すれば除塵率は低下するが, 一定濃度以下では上昇する.油面が動揺し濾網底部から浸潤し易くなるためと考えられる.(3)油溜オイルの塵砂混入量20%において除塵率は徐々に低下し, 30%以後は急速となる.運転間各部の捕捉塵砂量は, 油溜が濾網の3倍, クリーナー透過量は濾網の捕捉量と匹敵, あるいはより以上 …

    Bulletin of the Faculty of Agriculture, Kagoshima University 4, 85-99, 1955-11-30

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