詳細

岩前　篤 （イワマエ　アツシ）

  • 建築学部 建築学科　　教授/副学長
Last Updated :2023/11/29

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  • コメント

    建築物、特に健康・快適でエネルギー性能に優れた住宅の有り様を研究しています。具体的には、日本・アジア気候特性と暮らし方に基づく計画手法、ゼロエネ技術、健康維持増進技術を対象としています。

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    ＜報道関連出演・掲載一覧＞ ●2023/5/16 　日刊産業新聞 　住まいの屋根換気壁通期研究会の資格合格者について ●2023/4/24 　ABCラジオ「おはようパーソナリティ 小縣裕介です」 　室内の換気方法について ●2023/1/17 　NHK「クローズアップ現代」 　日本の住宅の特徴や寒さ対策について、スタジオ出演 ●2023/1/16 　NHK「あさイチ」 　冬の寒さを乗りこえる住環境について、スタジオ出演 ●2022/12/2 　読売テレビ「朝生ワイド す・またん！」 　室内に加湿器を置く際の適切な場所・避けるべき場所についてのコーナーを監修 ●2020/12/18 　メーテレ「アップ！」 　「暖房器具の置き場所」について ●2020/12/8 　NHK「あさイチ」 　換気について ●2020/12/2 　NHK「あさイチ」 　「冬場の効果的な加湿方法」について ●2020/11/23 　eo光テレビ「情報スパイス」 　「室温」について ●2020/11/17 　NHKラジオ「武内陶子のごごカフェ」 　「冬を健康に過ごす住まい」をテーマに室内環境と健康について ●2020/11/9 　関西テレビ「報道ランナー」 　北海道でコロナウイルス感染者が増えている中で、冬の換気方法について ●2020/2/6 　関西テレビ「報道ランナー」 　木曜企画「ぐぐっと深堀り！しらべるジャーナル」部屋の室温と健康寿命には大きな関係がある！？ 　番組スタッフの自宅でどのような対策ができるか検証し、スタジオでも生出演 ●2020/1/29 　毎日放送「ミント！」 　「夏は快適、冬は我慢」いう日本の住宅の特徴についてコメント ●2020/1/19 　TBS「健康カプセル！ゲンキの時間」 　「高血圧」がテーマの回において、研究のデータを紹介 ●2020/1/17 再放送※1/18 　NHK総合「チコちゃんに叱られる！」 　「セントラルヒーディング」がなぜ日本にないのか、という質問に写真とコメントで解説 ●2019/12/12 　メ～テレ「アップ！」 　冬に気になる「結露」について ●2019/11/19 　NHK総合「あさイチ」 　結露のメカニズムや対策について ●2017/2/28 　日本テレビ「ミラクル アインシュタイン～日本の科学の力で不可能に挑む!世紀の大実験SP～」 　タレントの照英氏と断熱実験で出演 ●2015/1/6 　日本経済新聞 　日本の住宅について

研究者情報

学位

  • 博士（工学）（神戸大学）

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J-Global ID

プロフィール

  • 1961年和歌山市に生まれる。県立桐蔭高校卒業後、80年に神戸大学工学部建築系環境計画学科に入学、86年に同大学院を修了し、住宅メーカーに入社、研究所で住宅の断熱・気密・防露に関する研究開発に携わる。95年、神戸大で博士号を取得する。2003年春、退社し、近畿大学理工学部建築学科に助教授として就任、2009年教授、2011年建築学部創設と共に学部長就任、現在に至る。小・中学でトランペットを吹き、高校ではワンダーフォーゲル部、大学では少林寺拳法部に所属。昨今は酒とJazzライブと古今東西の本集めを楽しんでいる。

    経済産業省技術委員をはじめ、国交省、環境省、文科省、大阪府・市、神戸市などの建築の省エネに関わる技術的な評価、開発に携わる。

    真空断熱材関係では、国際エネルギー機関IEAの研究活動EBC/ANNEX65の日本代表、ISO-TC163/SC3/WG11のエキスパートを任じている。

研究キーワード

  • 環境負荷   耐用性   耐久性   快適性   省エネルギー   エネルギー消費   Insulation   Save energy   Humidity   

現在の研究分野（キーワード）

    建築物、特に健康・快適でエネルギー性能に優れた住宅の有り様を研究しています。具体的には、日本・アジア気候特性と暮らし方に基づく計画手法、ゼロエネ技術、健康維持増進技術を対象としています。

研究分野

  • 社会基盤（土木・建築・防災） / 建築環境、建築設備

学歴

  •         - 1986年   神戸大学   工学研究科   環境計画学専攻
  •         - 1984年   神戸大学   工学部   環境計画学科

所属学協会

  • 空気調和・衛生工学会   日本建築学会   

研究活動情報

論文

  • 藤田 浩司; 松岡 聡; 岩前 篤; 太田 周彰
    日本建築学会技術報告集 25 60 753 - 758 2019年06月 [査読有り]
  • 伊香賀俊治; 江口里佳; 村上周三; 岩前 篤; 星 旦二; 水石 仁; 川久保 俊; 奥村公美
    環境系論文集 76 666 735 - 740 2011年08月 [査読有り]
     
    It takes many years to recover the initial investment cost for installing housing insulation through savings from energy reduction (Energy Benefit:EB), since construction cost is very high in Japan. This long payback time is the major barrier to the promotion of well-insulated houses. However, it has been found that if Non-Energy Benefits (NEB) of well insulated houses, such as improvement in personal health, reduction of medical expenses and decline in absences from work are all taken into account, the time required to recover the initial investment cost would change from 29 to 16 years. Therefore recognition of NEB is expected to encourage residents to invest in residential thermal insulation. NEB of well-insulated houses is thus evaluated regarding human health in this study.
  • 近藤靖史; 岩前 篤; 長澤康弘; 藤本哲夫; 菊地裕介; 田坂太一
    環境系論文集 75 649 261 - 269 2010年03月 [査読有り]
     
    In order to save energy consumption for air-conditioning of buildings throughout those lifecycle, thermal performance of insulation materials applied in buildings should be kept in required value. On the other hand, there are many factors of ageing of insulation materials such as ambient temperature, vibration and moisture etc. In the previous paper, main factors of thermal performance change were discussed and several experimental results were shown. This paper examines the influences of moisture on thermal performance of various insulations based on three kinds of experiment. In first experiment, the relationship between equilibrium moisture content and thermal conductivity of fiber insulations is obtained. Second experiment is on the influence of gaseous moisture on fiber insulations and the results show that the dimension change of fiber insulations is small even in very humid condition. Third experiment is on the reversibility of thermal conductivity after the internal dew condensation process and the dry process, and the results show that many insulation materials have reversibility except for several plastic insulation foams.
  • 近藤靖史; 岩前 篤; 長澤康弘; 藤本哲夫; 菊地裕介; 田坂太一
    環境系論文集 74 643 1049 - 1057 2009年09月 [査読有り]
     
    Thermal performance of insulation materials decreases with the passage of time. Such ageing of insulations should be considered in the design stage of buildings to keep insulation performance within the required one throughout the lifecycle of buildings. Firstly this paper focused various factors that affect performances of insulations. The main factors for fiber insulations are moisture vibration and microbe. The main factor for plastic insulation foams is ambient temperature that accelerates the diffusion of blowing agent. Secondly real performances of sold new insulations and scraped old ones were measured and compared the required value by Japanese standard. Performances of some insulations were lower than standard values and performance change was detected. Finally this paper discussed the influence of vibration on performance for fiber insulations based on the experimental data. The changes of insulation depth and thermal resistances were observed after the vibration test.
  • 永井久也; 鈴木大隆; 北谷幸恵; 岩前 篤; 小南和也; 坂本雄三
    環境系論文集 74 638 457 - 463 2009年04月 [査読有り]
     
    There are two points of view for the prevention design of moisture problem in the building insulated envelope. One is the strictly prevention of high moisture condition in the insulated wall cavity. The other one is the permission of short-term high moisture condition, condensation and high moisture content of the wooden material as long as keeping physical durability. If the later standpoint were chosen, the insulated envelope design of every variety for Japan would be possible. Nevertheless, there are no criteria to estimate the damage of physical durability of wood by the biological factors related high moisture condition. In the previous paper, we reported about the concept of the prevention design of moisture problem in the building insulated envelope and the relationships between water content and decay various woods under hygrothermal steady conditions. In this paper, the relationships between water content and decay of various woods under two kinds of hygrothermal transient conditions are shown.
  • 鈴木大隆; 北谷幸恵; 岩前 篤; 永井久也; 小南和也; 坂本雄三
    環境系論文集 73 627 591 - 597 2008年05月 [査読有り]
     
    There are two points of view for the prevention design of moisture problem in the building insulated envelope. One is the strictly prevention of high moisture condition in the insulated wall cavity. The other one is the permission of short-term high moisture condition, condensation and high moisture content of the wooden material as long as keeping physical durability. If the later standpoint were chosen, the insulated envelope design of every variety for Japan would be possible. Nevertheless, there are no criteria to estimate the damage of physical durability of wood by the biological factors related high moisture condition. The points of this paper are as follows 1) The importance of estimation damage of woods by the moisture problems is describes. 2) 2 case of hygrothermal steady state experiments were done to get basic acknowledge of woods damage by biological factors considering term, water content, temperature and humidity, physical durability.
  • 藤田浩司; 岩前 篤; 松下敬幸; 中川 浩; 横山弘嗣; 石津京二
    環境系論文集 73 626 479 - 486 2008年04月 [査読有り]
     
    We present a heating system with thermal storage using a heat pump which supplies heat to the thermal storage installed in a crawl space of a residential house insulated at the foundation walls. We used latent thermal storage materials. This system can charge heat by using cheap nighttime electricity and discharge the stored heat at daytime. We showed equations to determine the air volumes of the heat pump and the ventilator, and equations to determine the phase transition temperature and the amount of the latent thermal storage materials to keep the room setting temperature. We constructed a computer simulation program of this heating system and confirmed the validity of these equations.
  • 藤田浩司; 岩前 篤; 松下敬幸; 石津京二; 中川 浩
    環境系論文集 73 626 471 - 478 2008年04月 [査読有り]
     
    We present a heating system with thermal storage using a heat pump which supplies heat to the thermal storage installed in a crawl space of a residential house insulated at the foundation walls. We used sensible thermal storage materials. This system can charge heat by using cheap nighttime electricity and discharge the stored heat at daytime. It is revealed by experimental studies that thermal behavior of the room is greatly influenced by the heat capacity of the thermal storage. We constructed a computer simulation program of this heating system and showed the ratio of the stored heat for generated heat by the heat pump with the volume of the thermal storage materials. We showed the way to determine the volume of the thermal storage materials and the capacity of the heat pump.
  • 藤田浩司; 岩前 篤; 松下敬幸
    環境系論文集 73 625 291 - 297 2008年03月 [査読有り]
     
    'Crawl-space heating' is a heating system using the crawl space as a duct for heat transport from a heat pump. The purpose of this study is to grasp the convective heat-transfer coefficient at the slab-concrete surface and the floor-under surface, under the condition of crawl-space heating. When the crawl-space heating is operated, the air velocity in the crawl space is generally 0.05-0.20m/s and the heat transfer is caused by both the forced convection and the natural convection. We measure the convective heat-transfer coefficient by the wind tunnel test. It is revealed that the convective heat-transfer coefficient at the slab-concrete surface is about 1.0-4.0W/m 2K and that at the floor-under surface is about 6.0-10.0 W/m 2K.
  • Atsushi Iwamae
    BUILDING SIMULATION 2007, VOLS 1-3, PROCEEDINGS 6 7 231 - 237 2007年 [査読有り]
     
    It is well known that humidity influences cooling load, thermal comfort and durability of buildings and various items in them. Many works on prediction of humidity variation in a room have regarded the humidity as unique in a space. However, it does depend on air movement. This paper describes calculations of minute moisture distributions in a room affected by moisture buffering of porous walls. The air velocity distribution is calculated by CFD using two different turbulence models. Then the heat and vapor transient transport in walls and space is calculated. This shows that moisture distribution is not negligible. The difference between the two turbulence models is also determined.
  • 藤田浩司; 岩前 篤; 松下敬幸; 北川健司; 埴淵晴男
    環境系論文集 71 607 65 - 70 日本建築学会 2006年09月 [査読有り]
     
    In this paper, we report the experimental studies which were carried out in an experimental house with thermal insulation for its foundation walls, concerning (a) the indoor thermal environment and (b) the heat flow in the crawl space to the ground and to the floor, under the condition of crawl space heating. The main results which we obtained are as follows: 1. The temperature in the room ranges from 18 to 21℃, and that of the floor surface becomes over 23℃. 2. When a fan is put in operation in order to control a current of air in the crawl space, the flow of the heat towards the floor increases, but that towards the ground also increases out of the warm air blowing out zone. 3. It is suggested that most of the heat to the ground is brought by radiation from the lining of the floor.
  • 岩前 篤
    学術講演会論文集 14 1 277 - 280 社団法人空気調和・衛生工学会 2002年08月
  • 岩前 篤; 松本 衛; 近田智也; 松下敬幸; 松村 収
    計画系論文集 65 528 29 - 36 日本建築学会 2000年02月 [査読有り]
     
    We found many houses have condensation in the crawl space in summer. These houses have enough openings on the foundation to ventilate and vapor retarder at the ground surface for the recommend in the building code. The temperature and humidity in the crawl space have great influences to durability of the house. We made clear the annual variations of hygro-thermal environment of the crawl space by the field measurements and numerical analysis. We monitored the temperature and humidity variations of 36 houses in Japan for 2 years. The numerical calculations based on the vertical one dimension heat transfer model represented the monitored results. The results show the houses in Japan normally have condensation in crawl space in summer. The condensation term is from one week to one month. The daily average of crawl space's vapor pressure is nearly equal to that of the outdoors. The difference of 2 years results is so great that we think the main factor is outdoor condition. The thermal resistance of the floor and moisture of the ground do not have great effect on the crawl space humidity.
  • 本間義規; 鈴木大隆; 坂本雄三; 永田明寛; 岩前 篤
    計画系論文集 525 525 33 - 38 1999年11月 [査読有り]
  • 岩前 篤; 松下 敬幸; 松本 衛
    学術講演会論文集 11 1 125 - 128 社団法人空気調和・衛生工学会 1999年08月
  • 岩前 篤; 松本 衛
    計画系論文集 468 468 17 - 25 1995年02月 [査読有り]

MISC

共同研究・競争的資金等の研究課題

  • 住宅におけるエネルギー消費構造
    研究期間 : 2001年 -2007年
  • 建築熱湿気環境と耐用性に関する研究
    研究期間 : 1998年 -2006年
  • Heat and mass transfer in the porous medium Save energy for heating and cooling Thermal impact to human Insulation technique for residential houses

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