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Calorimeter
About: Calorimeter is a research topic. Over the lifetime, 5878 publications have been published within this topic receiving 77157 citations.
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TL;DR: In this article, heat release capacity is defined as a combination of thermal stability and combustion properties, which can be used to classify the flammability of materials and can be derived from micro-scale combustion calorimeter test results or from additive molar group contributions.
Abstract: Heat release capacity is known as a combination of the thermal stability and combustion properties, which can be used to classify the flammability of materials. It can be derived from microscale combustion calorimeter test results or from additive molar group contributions. PMMA and two kinds of extruded polystyrene were tests by microscale combustion calorimeter with 9 heating rates. Heat release capacity was calculated for the tested materials by 5 algorithms from the literatures. Adaptability of these 5 algorithms was evaluated in this paper.
22 citations
13 Jan 1998
TL;DR: In this paper, the authors developed and tested a custom-made calorimeter for measuring heat generation from full-size multiple-cell battery modules, which is capable of measuring heat effects as small as 10 joules with accuracy of 5%.
Abstract: Battery thermal management is critical for high-power battery packs commonly used in electric vehicles (EV) and hybrid electric vehicles (HEV). To design battery thermal management systems properly, obtaining accurate heat generation data from battery modules is essential. To measure heat generation from full-size multiple-cell battery modules, we developed and tested a custom-made calorimeter for large modules. Battery modules with dimensions up to 21 cm/spl times/39 cm in cross section and 20 cm in height can be placed in the cavity of the calorimeter for measuring heat generation rates from 1 W to 100 W with the battery operating at -30/spl deg/C to +60/spl deg/C. The instrument is capable of measuring heat effects as small as 10 joules with accuracy of 5%. A state-of-the-art high power battery cycler is used to cycle the modules in the calorimeter. This paper provides a description of the calorimeter, calibration test results on its performance, and test results from a module simulating a HEV lead-acid battery.
22 citations
21 Feb 1996-Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment
TL;DR: A silicon-tungsten calorimeter was developed to be flown in the Wizard/CAPRICE balloon borne experiment to measure the flux of antiprotons, positrons and light nuclei in the cosmic radiation as discussed by the authors.
Abstract: A silicon-tungsten calorimeter has been developed to be flown in the Wizard/CAPRICE balloon borne experiment to measure the flux of antiprotons, positrons and light nuclei in the cosmic radiation. The calorimeter is composed of 8 .r. .v silicon sampling planes [active area (48 X 48) cm’] interleaved with 7 tungsten absorbers (7 radiation lengths): it provides the topology of the interacting events together with an independent measurement of the deposited energy. Details of the front-end electronics and of the read-out system are given and the overall performances during pre-flight ground operations are described as well.
22 citations
TL;DR: In this article, various cables were prepared with vinyl compounds, and their fire performance tested in full-scale modified cable tray tests and in a small-scale RHR calorimeter test (cone calorimeters).
22 citations
TL;DR: Over the nematic-isotropic coexistence region, the determined nematic correlation length, obtained from turbidity measurements, showed the characteristic two-step nematic nucleation process previously reported only for the specific heat.
Abstract: We report on the high-temperature resolution measurements of the optical and thermal parameters of a liquid-crystal-silica nanoparticle colloid, as well as its video inspection, simultaneously performed in an upgraded photopyroelectric calorimeter. Over the nematic-isotropic coexistence region, the determined nematic correlation length, obtained from turbidity measurements, showed the characteristic two-step nematic nucleation process previously reported only for the specific heat.
22 citations