Temperature and Velocity Changes Across Tube Banks in One-directional and Bi-directional Flow Conditions
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- Hasbullah Nurjannah
- Fakulti Kejuruteraan Mekanikal (FKM), Universiti Teknikal Malaysia Melaka (UTeM) Centre for Advanced Research on Energy, Universiti Teknikal Malaysia Melaka (UTeM)
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- Fatimah Al Zahrah Mohd Saat
- Fakulti Kejuruteraan Mekanikal (FKM), Universiti Teknikal Malaysia Melaka (UTeM) Centre for Advanced Research on Energy, Universiti Teknikal Malaysia Melaka (UTeM) Green Design & Manufacture Research Group, Center of Excellence Geopolymer & Green Technology, Universiti Malaysia Perlis (UniMAP)
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- Fadhilah Shikh Anuar
- Centre for Advanced Research on Energy, Universiti Teknikal Malaysia Melaka (UTeM) Fakulti Teknologi Kejuruteraan Mekanikal dan Pembuatan (FTKMP), Universiti Teknikal Malaysia Melaka (UTeM)
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- Johari Dahlia
- Fakulti Kejuruteraan Mekanikal (FKM), Universiti Teknikal Malaysia Melaka (UTeM) Akademi Laut Malaysia (ALAM)
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- Mohamad Firdaus Sukri
- Fakulti Kejuruteraan Mekanikal (FKM), Universiti Teknikal Malaysia Melaka (UTeM) Centre for Advanced Research on Energy, Universiti Teknikal Malaysia Melaka (UTeM)
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説明
The back-and-forth movement of flow in oscillatory flow condition that can be found in blood flow, thermoacoustic energy system and ocean wave can be categorized as bi-directional flow condition and heat transfer in this flow condition is not well understood. This paper reports an experimental investigation that compares temperature and velocity values between the one-directional (the usual flow condition) and the bi-directional flow conditions. The experiment was done using thermoacoustic’s standing wave rig with two different drivers to drive the one-directional flow and bi-directional flow conditions in the test rig. Results, that were recorded using piezoresistive pressure sensor, type-K thermocouple and hotwire anemometer, indicate that care should be exercised when calculating heat transfer in bi-directional flow conditions as the temperature and velocity changes are different compared to the one-directional flow condition. Differences were recorded to be within the range of 77% for temperature and 59.5% for velocity, presumably due to the different behavior of forced and natural convection effect as flow conditions changed.
収録刊行物
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- Evergreen
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Evergreen 8 (2), 428-437, 2021-06
九州大学グリーンテクノロジー研究教育センター
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詳細情報 詳細情報について
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- CRID
- 1390290700483387776
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- NII論文ID
- 120007099196
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- DOI
- 10.5109/4480725
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- ISSN
- 24325953
- 21890420
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- HANDLE
- 2324/4480725
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- 本文言語コード
- en
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- 資料種別
- journal article
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- データソース種別
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- JaLC
- IRDB
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用可