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Träfflista för sökning "WFRF:(Khan Amirul) "

Search: WFRF:(Khan Amirul)

  • Result 1-4 of 4
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1.
  • Khan, Amirul, et al. (author)
  • Non-conventional/traditional numerical methods for indoor and outdoor airflow modelling
  • 2022
  • In: 17th International Conference on Indoor Air Quality and Climate, INDOOR AIR 2022. - : International Society of Indoor Air Quality and Climate.
  • Conference paper (peer-reviewed)abstract
    • This workshop showed several non-conventional methods for indoor/outdoor airflow modelling. All methods are used to either reduce computation times, or to improve the accuracy of conventional CFD using measurement data. The different research projects presented are all ongoing and could contribute to the implementation of non-conventional methods in academia and/or practice, advancing the field of ventilation design and improving indoor air quality and thermal comfort in buildings and other enclosures.
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2.
  • Khan, Amirul, et al. (author)
  • WS6 : Challenges in ventilation for the operating theatres of the future: Making the invisible visible
  • 2022
  • In: 17th International Conference on Indoor Air Quality and Climate, INDOOR AIR 2022. - : International Society of Indoor Air Quality and Climate.
  • Conference paper (peer-reviewed)abstract
    • This workshop showcased several methods for operating theatre design and operation. The different research projects presented are all ongoing and could contribute to the development and implementation of novel methods, advancing the field of ventilation design and improving IAQ, thermal comfort and infection risk in operating theatres.
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3.
  • Sadrizadeh, Sasan, et al. (author)
  • A systematic review of operating room ventilation
  • 2021
  • In: Journal of Building Engineering. - : Elsevier BV. - 2352-7102. ; 40, s. 102693-
  • Research review (peer-reviewed)abstract
    • Ventilation systems are the primary way of eliminating airborne pathogenic particles in an operating room (OR). However, such systems can be complex due to factors such as different surgical instruments, diverse room sizes, various staff counts, types of clothing used, different surgical types and duration, medications, and patient conditions. OR ventilation should provide a thermally comfortable environment for the surgical staff team members while preventing the patient from suffering from any extreme hypothermia. Many technical, logistical, and ethical implications need to be considered in the early stage of designing a ventilation system for an OR. Years of research and a significant number of publications have highlighted the controversy and disagreement among infection specialists, design engineers, and ventilation experts in this context. This review article aims to provide a good understanding of OR ventilation systems in the context of air quality and infection control from existing research and provide multidimensional insights for appropriate design and operation of the OR. To this end, we have conducted a systematic review of the literature, covering 253 articles in this context. Systematic review and meta-analyses were used to map the evidence and identify research gaps in the existing clinical, practical, and engineering knowledge. The present study is categorized into six research focuses: ventilation system, thermal comfort, staff work practice and obstacles, door operation and passage, air cleaning technology, emission rate, and clothing systems. In the conclusion, we summarize the key limitations of the existing studies and insights for future research direction.
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4.
  • Sjölund, Johannes, et al. (author)
  • Validated Thermal Air Management Simulations of Data Centers Using Remote Graphics Processing Units
  • 2018
  • In: Proceedings. - : IEEE. ; , s. 4920-4925
  • Conference paper (peer-reviewed)abstract
    • Simulation tools for thermal management of data centers help to improve layout of new builds or analyse thermal problems in existing data centers. The development of LBM on remote GPUs as an approach for such simulations is discussed making use of VirtualGL and prioritised multi-threaded implementations of an existing LBM code. The simulation is configured to model an existing and highly monitored test data center. Steady-state root mean square averages of measured and simulated temperatures are compared showing good agreement. The full capability of this simulation approach is demonstrated when comparing rack temperatures against a time varying workload, which employs time-dependent boundary conditions.
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