calorimeter Articles

  • Experimental Study of Suppressing PVC Fire with Water Mist using a Cone Calorimeter

    Effect of water mist on the small-scale solid fuel PVC (poly vinyl chloride) fire in a confined space has been studied experimentally using a cone calorimeter. In this study, the combustion characteristics of PVC, and the interaction between the water mists and the diffusion flame in a confined space with proper ventilation control are studied under various conditions in the cone calorimeter. The ...


    By SAGE Publications

  • Fire Safety Assessment of Halogen-free Flame Retardant Polypropylene Based on Cone Calorimeter

    This study addresses the fire performance of polypropylene compounded with different flame retardants in the cone calorimeter tests and UL-94 burning tests. The parameters measured include heat release rate, time to ignition, smoke, and CO/CO2 yields, on the basis of which fire hazard analysis is carried out. By injection-molding different burn-rated polypropylene composites into television ...


    By SAGE Publications

  • Exothermic reaction induced by high-density current in metals: possible nuclear origin

    Since 1989, many experimenters worked on low-energy nuclear reactions (LENR). They face both an experimental and a theoretical dilemma: how to design simple and convincing experiments in a complex system and if the phenomenon has a nuclear origin, why do they observe no radiation. A rather simple water mass flow calorimeter was designed to study this phenomenon under different experimental ...


    By Inderscience Publishers

  • Mechanistic Analysis of the Fire Performance of a Fire Retardant System

    The behavior of a fire retardant in polypropylene is studied in order to improve the understanding of its activity in terms of its chemical behavior. The effect of a N-alkoxy hindered amine light stabilizer upon the fire performance of this system is also considered. The authors relate fire performance (UL 94, OI, NOI) and thermal analyses (TGA and thin film FTIR) results to cone calorimeter fire ...


    By SAGE Publications

  • On permeable porosity in bio-inspired fibre reinforced cementitious composites

    Permeability plays an important role in governing the durability of concrete in deleterious environments. Previous permeability tests using water as the permeating medium have indicated that the addition of cellulose fibre is effective in reducing water permeability both in the presence and absence of stress and thereby making concrete more durable. In this paper, further evidence was sought of ...


    By Inderscience Publishers

  • On permeable porosity in bio–inspired fibre reinforced cementitious composites

    Permeability plays an important role in governing the durability of concrete in deleterious environments. Previous permeability tests using water as the permeating medium have indicated that the addition of cellulose fibre is effective in reducing water permeability both in the presence and absence of stress and thereby making concrete more durable. In this paper, further evidence was sought of ...


    By Inderscience Publishers

  • Evaluation of Thermal Performance of Flame-resistant Fabrics Considering Thermal Wave Influence in Human Skin Model

    A thermal wave skin model incorporating surface heat flux from a skin simulant sensor is developed to characterize the thermal performance of flame-resistant (FR) fabrics covering the skin simulant sensor. Comparison of the results of time to 2nd degree skin burn and temperature elevation of skin beneath a layer of fabric obtained from the newly developed thermal wave skin model to the results ...


    By SAGE Publications

  • The Effect of Fuel Quantity and Location on Small Enclosure Fires

    Results from an experimental program undertaken to study the effect of fuel quantity and location on ethanol pool fires in the open and in a small enclosure (an ISO 9705 room) are compared with simulations using the Fire Dynamics Simulator version 4.03 (FDS4). The fuel in trays is placed at three locations (front, back, and center) within the room enclosure as well as directly under the ...


    By SAGE Publications

  • Flame Retardancy of Thermoplastic Polyurethane and Polyvinyl Chloride by Organoclays

    Thermooxidative stability and peak of heat release rates of thermoplastic polyurethane nanocomposites are improved by organoclays; but time to ignition of these composites is reduced. A cable with a thermoplastic polyurethane nanocomposite jacket does not pass a simple flame spread test by a Bunsen burner, indicating that the reduction of the peak of heat release rate does not prevent the flame ...


    By SAGE Publications

  • Assist Gas Measurement in Flare Stacks

    The Customer The company manufactures solvents, polymers and intermediary chemicals. These products are sold worldwide and are used in the production of automobile interiors, steering wheels, paints, tires, adhesives, furniture, cosmetics and many other consumer and industrial products. The Process The Company’s site is large, thousands of acres, ...

  • Bio-oil upgraded by catalytic co-pyrolysis of sawdust with tyre

    We have investigated the improvement in the quality of bio-oils by catalytic co-pyrolysis of sawdust and tyre mixture in an integrated reactor. The vapours from co-pyrolysis are allowed to pass through a desulfurising layer composed of zinc oxide and then through the catalytic layer consisting of silver (Ag), palladium (Pd), molybdenum (Mo), or vanadium (V) supported over SBA-15 or HZSM-5. The ...


    By Inderscience Publishers

  • Synergism of GUP and Boric Acid Characterized by Cone Calorimetry and Thermogravimetry

    Wood is treated with a new composite flame retardant, whose components guanyl urea phosphate (GUP) and boric acid (BA) impart flame retardance. The flame retarding behavior of these samples is measured by cone calorimeter. The thermal behavior of samples has been studied by differential thermogravimetry (DTG) and thermogravimetry (TG) in air. The activation energies for different stages of ...


    By SAGE Publications

  • Combustion and Thermal Behavior of Polyurethane Acrylate Modified with a Phosphorus Monomer

    A series of UV curable flame retardant resins were obtained by blending bis(2-acryloxyethyl) 2.6.7-trioxa-1-phosphabicyclo[2.2.2.]octane-4-methylol-1-oxide phosphate (MDMPE) in certain ratios with a commercial polyurethane acrylate (PUA). It has been found that the cured film shows good flame retardancy when the MDMPE is at 30% additive level. The cone calorimeter results show that the heat ...


    By SAGE Publications

  • Evaluation of the energetic potential of sewage sludge by characterization of its organic composition

    The composition of sewage sludge and, thus, its energetic potential is influenced by wastewater and wastewater treatment processes. Higher or lower heating values (HHV or LHV) are decisive factors for the incineration/gasification/pyrolysis of sewage sludge. The HHV is analyzed with a bomb calorimeter and converted to the LHV. It is also possible to calculate the heating value via chemical ...


    By IWA Publishing

  • Waste Fuel Case History

    The Customer The company engages in the design, manufacture, and sale of machinery for decomposing petroleum-based materials. The company uses microwave technology for recovering hydrocarbons and fossil fuels from sources, such as tires, oil shale, capped wells, coal, automotive shredded residue, municipal solid waste, shale deposits, and waste oil streams. The ...

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