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New method for determination of heat release rate has been d...
created · Updated
Deadline: Dec 23, 2022
Received 0 expressions of interest

Summary

There has been a new innovation developed by the team of researchers at a technical university from Slovakia. More cost effective and flexible method for determining the heat release rate is now available for market purposes. Institution is looking for a partner from the private sphere to license the technology.

Description

Heat release rate is fundamental fire characteristic of substances, materials and products. Three methods for heat release rate were known until now. The first is based on measure of temperature of combustion products. Main disadvantage of this method is complicated calibration (given by dependence of heat capacity on temperature). The second method is based on measure of mass loss and multiplication (of obtained value) by effective heat release rate. Main disadvantage of this method is chance of the effective heat of combustion (of most organic polymers) with time (volatile compounds burn first and carbon residue subsequently). The third method is based on measure oxygen consumption (during perfect combustion 13.1 MJ of heat is released per 1 kg oxygen consumed). Main disadvantage of this method is the need for a desiccant of combustion products (which often contains a carcinogenic moisture indicator). A common disadvantage of all described methods is that they are able to be used only in the laboratory (not during real fire).

The research team from technical university in Bratislava with the background in material technology has created a method that measures heat release rates of substances, materials and products from photographs of their flames. The sample with the known reaction to fire class is tested and photographs of its flame are taken during this test. Taken photos are used for (convolutional) neural network training in the first step. After training the (convolutional) neural network is used for checking declared reaction to fire test of tested sample (from photos of its flame taken during second step) in the second step.

The institution is seeking an industrial partner for licensing for the further development and commercionalization of mentioned technology.

Advantages & innovations

The main advantages of created method are: 1. Low price (camera and laptop with neural network software are enough for measure of heat release rate). 2. Measurements without need any chemical substances. 3. Contactless measurements (from distance equal tens to hundreds fire diameter). 4. Possibility of measurement both in the laboratory and outside the laboratory.

Stage of development

Available for demonstration

Partner sought

The R&D institution is seeking an industrial partner for licensing the technology. Field of activity: the new technology is applicable in the area of measurement services. Role of partner: - partner should be interested in licencing the technology and further development if necessary.

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