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Xiaoshuai Wang, Mengbing Cao, Feiyue Hu, Qianying Yi, Thomas Amon, David Janke, Tian Xie, Guoqiang Zhang and Kaiying Wang
An increasing number of large pig farms are being built in multi-floor pig buildings (MFPBs) in China. Currently, the ventilation system of MFPB varies greatly and lacks common standards. This work aims to compare the ventilation performance of three pop...
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Thomas Neil McManus and Assed Haddad
This study reports on near-surface airspeed measured using a fast-responding thermoanemometer during an investigation of ventilation of an isolated subsurface structure induced by natural forces. Air speed changes continuously, rapidly, and unpredictably...
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This study reports on near-surface airspeed measured using a fast-responding thermoanemometer during an investigation of ventilation of an isolated subsurface structure induced by natural forces. Air speed changes continuously, rapidly, and unpredictably...
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Chayan Kumer Saha, Qianying Yi, David Janke, Sabrina Hempel, Barbara Amon and Thomas Amon
Airflow inside naturally ventilated dairy (NVD) buildings is highly variable and difficult to understand due to the lack of precious measuring techniques with the existing methods. Computational fluid dynamics (CFD) was applied to investigate the effect ...
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Yang Yu, Yuepeng Mao, Tao Yu, Yalin Yang, Shulin Xu and Sijia Liang
Flow separation and transitions of separation patterns are common phenomena of nozzles working with a wide Mach range. The maximum thrust method is applied to design the single-expansion ramp nozzle (SERN) for specific operating conditions. The nozzle is...
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Shimin Wang, Zhigang Shen and Linxia Gu
A 2D unsteady computational fluid dynamics (CFD) model is employed to simulate buoyancy-driven turbulent ventilation in attics with different pitch values and ceiling insulation levels under summer conditions. The impacts of roof pitch and ceiling insula...
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Magdalena Cortés, Paul Fazio, Jiwu Rao, Waldo Bustamante, Sergio Vera
Pág. Page 22 - 45
Prediction of airflow pattern and velocities, temperature, moisture and pollutants concentration is required to design healthy and comfortable indoor environments. Computational Fluid Dynamics (CFD) is the most advanced technique to model and predict the...
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Kezhi Li, Shufeng Li, Xiangdong Ni, Bo Lu and Binqiang Zhao
In order to study the working mechanism and sowing effect of seed delivery pipes and their associated cavity seeders, the factors affecting the sowing test were first derived through pressure loss theory and force analysis of cotton seed particles in the...
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Szabolcs Szekeres, Attila Kostyák, Ferenc Szodrai and Imre Csáky
As a result of COVID-19, many office buildings around the world have downsized their employees, but the comfort parameters in the building had to be kept. The facilities operation rearranged the workstations to keep physical distance and placed plexiglas...
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Hans Mårtensson
Integrating a fan with a boundary layer ingestion (BLI) configuration into an aircraft fuselage can improve propulsion efficiency by utilizing the lower momentum airflow in the boundary layer developed due to the surface drag of the fuselage. As a conseq...
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