Innovative modeling and simulation of membrane-based dehumidification and energy recovery equipment
Membrane-based dehumidification is a promising solution for building applications because of its low cost and limited energy consumption. Developing an efficient and cost-effective open-source code simulation tool is important for optimizing and evaluating such devices in HVAC applications. This pap...
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| Format: | Article |
| Language: | English |
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Elsevier
2023-03-01
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| Series: | Case Studies in Thermal Engineering |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2214157X23000898 |
| _version_ | 1811170526256693248 |
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| author | Zhiming Gao Joe Rendall Kashif Nawaz Ahmad Abuheiba Omar Abdelaziz |
| author_facet | Zhiming Gao Joe Rendall Kashif Nawaz Ahmad Abuheiba Omar Abdelaziz |
| author_sort | Zhiming Gao |
| collection | DOAJ |
| description | Membrane-based dehumidification is a promising solution for building applications because of its low cost and limited energy consumption. Developing an efficient and cost-effective open-source code simulation tool is important for optimizing and evaluating such devices in HVAC applications. This paper describes a physics-based model, which accounts for the fundamental heat and mass transfer between a humid-air vapor stream on the feed side and a flowing stream on the permeate side of a membrane. The developed model comprises two mass transfer submodels—a microstructure model and a performance map model—and adopts a segment-by-segment method for discretizing heat and mass transfer governing equations for flow streams on the feed and permeate sides of a membrane. The model can simulate dehumidifiers and energy recovery ventilators with parallel-flow, cross-flow, and counter-flow configurations, and the predictions compare reasonably well with the measurements. The model was used to evaluate the effect of membrane microstructure parameters and membrane surface deflection factors, as well as to investigate the performance of combined dehumidification and energy recovery exchangers. The model and C++ open-source codes are expected to become a fundamental tool in analyzing future membrane-based dehumidification systems. |
| first_indexed | 2024-04-10T16:58:04Z |
| format | Article |
| id | doaj.art-fadb97da5f4242939bee4ef1705b0f26 |
| institution | Directory Open Access Journal |
| issn | 2214-157X |
| language | English |
| last_indexed | 2024-04-10T16:58:04Z |
| publishDate | 2023-03-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Case Studies in Thermal Engineering |
| spelling | doaj.art-fadb97da5f4242939bee4ef1705b0f262023-02-07T04:23:06ZengElsevierCase Studies in Thermal Engineering2214-157X2023-03-0143102783Innovative modeling and simulation of membrane-based dehumidification and energy recovery equipmentZhiming Gao0Joe Rendall1Kashif Nawaz2Ahmad Abuheiba3Omar Abdelaziz4Oak Ridge National Laboratory, PO Box 2008, Oak Ridge, TN, 37831, USA; Corresponding author.Oak Ridge National Laboratory, PO Box 2008, Oak Ridge, TN, 37831, USAOak Ridge National Laboratory, PO Box 2008, Oak Ridge, TN, 37831, USAOak Ridge National Laboratory, PO Box 2008, Oak Ridge, TN, 37831, USAOak Ridge National Laboratory, PO Box 2008, Oak Ridge, TN, 37831, USA; American University in Cairo, Cairo, EgyptMembrane-based dehumidification is a promising solution for building applications because of its low cost and limited energy consumption. Developing an efficient and cost-effective open-source code simulation tool is important for optimizing and evaluating such devices in HVAC applications. This paper describes a physics-based model, which accounts for the fundamental heat and mass transfer between a humid-air vapor stream on the feed side and a flowing stream on the permeate side of a membrane. The developed model comprises two mass transfer submodels—a microstructure model and a performance map model—and adopts a segment-by-segment method for discretizing heat and mass transfer governing equations for flow streams on the feed and permeate sides of a membrane. The model can simulate dehumidifiers and energy recovery ventilators with parallel-flow, cross-flow, and counter-flow configurations, and the predictions compare reasonably well with the measurements. The model was used to evaluate the effect of membrane microstructure parameters and membrane surface deflection factors, as well as to investigate the performance of combined dehumidification and energy recovery exchangers. The model and C++ open-source codes are expected to become a fundamental tool in analyzing future membrane-based dehumidification systems.http://www.sciencedirect.com/science/article/pii/S2214157X23000898MembraneDehumidificationEnergy recoveryModelingOpen-source code |
| spellingShingle | Zhiming Gao Joe Rendall Kashif Nawaz Ahmad Abuheiba Omar Abdelaziz Innovative modeling and simulation of membrane-based dehumidification and energy recovery equipment Case Studies in Thermal Engineering Membrane Dehumidification Energy recovery Modeling Open-source code |
| title | Innovative modeling and simulation of membrane-based dehumidification and energy recovery equipment |
| title_full | Innovative modeling and simulation of membrane-based dehumidification and energy recovery equipment |
| title_fullStr | Innovative modeling and simulation of membrane-based dehumidification and energy recovery equipment |
| title_full_unstemmed | Innovative modeling and simulation of membrane-based dehumidification and energy recovery equipment |
| title_short | Innovative modeling and simulation of membrane-based dehumidification and energy recovery equipment |
| title_sort | innovative modeling and simulation of membrane based dehumidification and energy recovery equipment |
| topic | Membrane Dehumidification Energy recovery Modeling Open-source code |
| url | http://www.sciencedirect.com/science/article/pii/S2214157X23000898 |
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