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Search: WFRF:(Arghand Taha 1982) > (2016)

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1.
  • Arghand, Taha, 1982, et al. (author)
  • Individually controlled localized chilled beam in conjunction with chilled ceiling: Part 1 – Physical environment
  • 2016
  • In: 14th International Conference on Indoor Air Quality and Climate, Indoor Air 2016.
  • Conference paper (peer-reviewed)abstract
    • This study investigates the indoor environment generated by localized chilled beam coupled with chilled ceiling (LCBCC) and compares it with the environment generated by mixing ventilation coupled with chilled ceiling (CCMV). The experiments were performed in a mock-up of single office (4.1 m × 4.0 m × 3.1 m, L× W× H). Thermal manikin was used to simulate room occupant. The LCBCC was placed above the workstation to improve the environment locally. Combinations of indoor temperature of 26 °C and 28 °C and ventilation airflow rate of 10 and 13 l/s were studied. The total heat load in the room was 60 W/m2 (including simulation of solar radiation and miscellaneous heat loads). The results showed that uniform thermal conditions (differences smaller than 1 °K) were generated in the occupied zone with the studied system configurations. The LCBCC diminished the effect of the buoyancy flow from the simulated window and this resulted in more acceptable thermal conditions at the workstation.
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2.
  • Arghand, Taha, 1982, et al. (author)
  • Individually controlled localized chilled beam in conjunction with chilled ceiling: Part 2 – Human response
  • 2016
  • In: 14th International Conference on Indoor Air Quality and Climate, Indoor Air 2016.
  • Conference paper (peer-reviewed)abstract
    • The response of 24 subjects to the local environment established by localized chilled beam combined with chilled ceiling (LCBCC) was studied and compared with response to the environment generated by mixing ventilation combined with chilled ceiling (CCMV) at two temperature conditions of 26 °C and 28 °C. The supply airflow rate from the LCBCC was controlled by the subjects within the range of 10 to 13 L/s. In the case of CCMV subjects did not have control over the flow rate. The results showed that occupants’ overall and local thermal sensation acceptability improved at the workstation by using the LCBCC system compared to CCMV. The subjects felt less warm with the LCBCC and their thermal sensation was close to neutral. Most of the subjects achieved acceptable air movement at the workstation by the provided individual control of the flow rate from the LCBCC. Need for air movement was reported in the case of CCMV.
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  • Result 1-2 of 2
Type of publication
conference paper (2)
Type of content
peer-reviewed (2)
Author/Editor
Arghand, Taha, 1982 (2)
Bolashikov, Zhecho (2)
Kosonen, Risto (2)
Melikov, Arsen (2)
Aho, Ilari (1)
Pastuszka, Zuzanna (1)
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Kaczmarczyk, Jan (1)
Ilari, Aho. (1)
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University
Chalmers University of Technology (2)
Language
English (2)
Research subject (UKÄ/SCB)
Engineering and Technology (2)
Year
2016 (2)Undo refine

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