Experimental Study of the Effect of Different Air Gap Orientations on Performance of Fire Protective Clothing

Rajput, Bhavna; Kumar, T.G.Sampath; Ray, Bahni; Das, Apurba; Talukdar, Prabal

doi:10.1080/01457632.2023.2171815

Heat Transfer Engineering

2023

DOI: 10.1080/01457632.2023.2171815

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Experimental Study of the Effect of Different Air Gap Orientations on Performance of Fire Protective Clothing

Bhavna Rajput

T.G.Sampath Kumar

Bahni Ray

et al.

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2024

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Cited by 3 publications

References 19 publications

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Fabrication of Laminated Electrospun Fire˗Resistant Phosphorylated Poly(Vinylalcohol) Membrane for Enhanced Firefighter Safety

Tripathi,

Parthasarathy,

Roy

2024

ChemistrySelect

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The current study focuses on the creation of breathable and fire˗retardant fibrous membranes using phosphorylated poly(vinylalcohol) (PPVA) via the electrospinning method, with a specific interest in their application for structural firefighter clothing. Poly(vinylalcohol) (PVA) was phosphorylated to enhance its inherent flame resistance. Optimization of reaction conditions, including time and temperature, was conducted to achieve a solution suitable for electrospinning. The flame resistance of PPVA was confirmed through vertical flammability tests, with thermogravimetric analysis indicating a significant increase in carbonaceous char formation during PPVA decomposition compared to unmodified PVA. The limiting oxygen index also exhibited a notable increase from PVA to PPVA. Furthermore, the study established optimal operating conditions for producing uniform fibers, considering parameters such as polymer concentration, feed rate, tip to collector distance, and applied potential difference. The PPVA membrane demonstrated superior water vapor transmission rates compared to PVA, indicating enhanced breathability. The entire fabrication process utilized an environmentally friendly water‐based solvent. Additionally, a moisture‐cum‐thermal barrier layer (MCTB) was developed by laminating the PPVA fibrous membranes with microporous polytetrafluoroethylene and further with needle punch‐spunlaced OPAN fabric. Experimental assessments of the MCTB layer revealed satisfactory breathability and thermal performance, surpassing the standard requirements of 35 cal/cm2 for structural firefighting configuration.

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Fabrication of Laminated Electrospun Fire˗Resistant Phosphorylated Poly(Vinylalcohol) Membrane for Enhanced Firefighter Safety

Tripathi,

Parthasarathy,

Roy

2024

ChemistrySelect

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Effect of Orientation of Test on Radiant Protective Performance of Outer Layer of Multilayer Thermal Protective Clothing

Maurya,

Das,

Alagirusamy

2024

Fire Technol

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Performance assessment of firefighter protective clothing under different thermal environments: Impact of the variation of thickness in inter-layer airgap and microclimate

Kumar,

Bhanja,

Acharya

2024

International Journal of Thermal Sciences

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Experimental Study of the Effect of Different Air Gap Orientations on Performance of Fire Protective Clothing

Cited by 3 publications

References 19 publications

Fabrication of Laminated Electrospun Fire˗Resistant Phosphorylated Poly(Vinylalcohol) Membrane for Enhanced Firefighter Safety

Fabrication of Laminated Electrospun Fire˗Resistant Phosphorylated Poly(Vinylalcohol) Membrane for Enhanced Firefighter Safety

Effect of Orientation of Test on Radiant Protective Performance of Outer Layer of Multilayer Thermal Protective Clothing

Performance assessment of firefighter protective clothing under different thermal environments: Impact of the variation of thickness in inter-layer airgap and microclimate

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