Numerical Studies on Smoke Spread in the Cavity of a Double-Skin Façade

Ji, Jie; Li, Yi Fan; Shi, Wenbin; Sun, Jinhua

doi:10.3846/13923730.2014.897992

Cited by 9 publications

(12 citation statements)

References 20 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…where Q is the heat release rate (kW), T is the temperature (K), The model scale should be larger than 0.3 m to meet the applying requirement of the Froude model. [29][30][31] The cubic model is common and widely used in the study of projecting flame from a compartment, for the temperature in a cubic model would be more likely to be homogeneous after the flashover breaks out. 7,8,[17][18][19] In this study, the dimensions of the 1:3th scale fire room model is 1.0 m…”

Section: Methodsmentioning

confidence: 99%

See 1 more Smart Citation

Experimental study of fire growth and ejected plume in a cross‐ventilation compartment under wind condition

Gao

et al. 2019

Fire and Materials

Self Cite

View full text Add to dashboard Cite

Summary In this study, a set of reduced‐scale experiments were conducted to study the influence of external wind on the fire growth and ejected plume in a compartment with two openings. The approaching wind velocity was set as 1.5 and 3.0 m/s, respectively. The temperatures in the fire compartment were also measured by thermocouple matrixes. The images of the projected flames from the opening and the fuel mass loss rate were recorded by digital video and electronic balance, respectively. It is observed that the wind with velocity of 1.5 m/s can reduce the combustion severity by decreasing the ventilation in the fire room and enhance the duration time of combustion. On the contrary, the wind with velocity of 3 m/s can promote the combustion severity by increasing the ventilation in the fire room and reduce the duration time of combustion. The theoretical analysis shows how the external wind that coupled with the thermal buoyance influence the ventilation of the compartment, and a critical velocity or a dimensional number are suggested to predict the ventilation of the fire room, which is believed to influence the compartment fire behavior greatly.

show abstract

Section: Methodsmentioning

confidence: 99%

“…The model scale should be larger than 0.3 m to meet the applying requirement of the Froude model . The cubic model is common and widely used in the study of projecting flame from a compartment, for the temperature in a cubic model would be more likely to be homogeneous after the flashover breaks out .…”

Section: Methodsmentioning

confidence: 99%

Experimental study of fire growth and ejected plume in a cross‐ventilation compartment under wind condition

Gao

et al. 2019

Fire and Materials

Self Cite

View full text Add to dashboard Cite

show abstract

“…0 0 1 [ C°I t has also been proven with several experiments that the temperature differences required for glass pane cracking will increase with increasing thickness [28]. The type of glass pane selection, such as single pane/double pane, also has a significant effect on the glass fire performance [28,104,105]. Besides, the smoke movement [98], glass pane orientation [28,30,99], and location of the fire [30] are found to be of considerable significance for glass pane breakage [14].…”

Section: Figurementioning

confidence: 97%

Review on Energy and Fire Performance of Water Wall Systems as a Green Building Façade

2020

View full text Add to dashboard Cite

Glass façades are widely utilized in green buildings. Ensuring fire safety while reducing the energy need without compromising occupants’ comfort is a challenge in the modern-day green buildings with glass façades. One way of achieving both aspects is to construct a water wall system as a building façade. A water wall system has a water layer between two glass panes and can be considered as a glass façade system. The focus of this review, which builds on the published studies, is how water wall systems can help ensure fire safety and reduce energy demand in green buildings. The water layer within two glass panes of the water wall system store the solar radiation heat throughout the daytime, reducing the amount of heat transferred through the building facade. The reduced heat transfer effects lessen the need for air conditioning to sustain the thermal comfort of the building occupants. The stored energy is released during the nighttime. The transparency of the water wall system also allows daylight to enter the building, thus reducing artificial lighting needs. Furthermore, the water layer acts as a fire safety mechanism in case of a fire. However, the water wall systems are not much utilized in the modern-day green buildings due to their unpopularity and the unavailability of design guidelines. On the basis of the findings of the literature review, stakeholders and the public are encouraged to adopt water wall systems in green building projects as an energy-efficient strategy and a fire safety mechanism.

show abstract

“…The The bulk of research into smoke spread in MURBs focuses on airflow in vertical shafts (usually elevator shafts and stairwells). [110][111][112][113][114] Elevator shafts provide no resistance to airflow, and the absolute temperature difference between the smoke in the shafts and ambient conditions can vary by as much as a factor of three, resulting in the potential for very large stack-driven pressures. Large stackdriven airflows are also possible in stairwells, though the mechanism of smoke spread is more complex, due to the confining features of treads and side walls.…”

Section: Smoke Compartmentationmentioning

confidence: 99%

“…The bulk of research into smoke spread in MURBs focuses on airflow in vertical shafts (usually elevator shafts and stairwells) 110‐114 . Elevator shafts provide no resistance to airflow, and the absolute temperature difference between the smoke in the shafts and ambient conditions can vary by as much as a factor of three, resulting in the potential for very large stack‐driven pressures.…”

Section: Relevance To Indoor Environmental Qualitymentioning

confidence: 99%

Inter‐zonal airflow in multi‐unit residential buildings: A review of the magnitude and interaction of driving forces, measurement techniques and magnitudes, and its impact on building performance

Lozinsky

Touchie

2020

Indoor Air

View full text Add to dashboard Cite

As cities densify, multi-unit residential buildings (MURBs) are becoming an integral part of the world's housing stock. In Toronto, Canada's largest city, MURBs comprise approximately 47% of the total housing stock. 1 In London and New York City, MURBs account for approximately 51% and 82% of the total housing stock, respectively. 2,3 As a building class, MURBs are incredibly diverse. They can be an apartment-style building, where there is a common entrance and the building is divided into suites. MURBs can also comprise of townhouse or row-house dwellings, where each suite/unit has its own entrance. They can range in height from two storeys to upwards of 70 storeys. The one constant is that there are multiple households sharing common structural and/or building systems. In recent years, there has been a lot of attention to the effects of air infiltration on building performance-particularly related to

show abstract

Numerical Studies on Smoke Spread in the Cavity of a Double-Skin Façade

Cited by 9 publications

References 20 publications

Experimental study of fire growth and ejected plume in a cross‐ventilation compartment under wind condition

Experimental study of fire growth and ejected plume in a cross‐ventilation compartment under wind condition

Review on Energy and Fire Performance of Water Wall Systems as a Green Building Façade

Inter‐zonal airflow in multi‐unit residential buildings: A review of the magnitude and interaction of driving forces, measurement techniques and magnitudes, and its impact on building performance

Contact Info

Product

Resources

About