β Scribed by Michael R Swain; Eric S Grilliot; Matthew N Swain
No coin nor oath required. For personal study only.
In this article, we report the experimental verification of the major stages of a hydrogen risk assessment method Experiments were conducted in a half-scale hallway The fourstep method entaded β’ simulating the accident scenario with leaking hei,um, β’ calibrating a commercially available computational fluid dynamics (CFD) model of the accident scenario using helmm data, β’ predicting the spatial and temporal distribution of leaking hydrogen using the calibrated CFD model, and β’ determining risk from the spatial and temporal dlstnbubon of hydrogen We compared predicted results from the calibrated CFD model with experimentally measured hydrogen data to verify the accuracy of the calibrated CFD model The experimental data showed that the method predicted the spatial and temporal hydrogen distribution in the hallway very well This capability forms the basis for risk analysis The hydrogen gas concentration distribution determines the ilkehhood of ignition-and severity of combustion--of hydrogen-air mixtures
π SIMILAR VOLUMES
The aim of the study is to identify and quantify the additional risks related to hydrogen explosions during the operation of a hydrogen-driven car. In a first attempt the accidents or failures of a simple one-tank hydrogen storage system have been studied as a main source of risk. Three types of ini
A model of the wheat canopy/root/soil system has been developed, which calculates the risk of stem and root lodging from crop parameters and soil characteristics. For a large number of wind speed and rainfall realisations the model determines whether or not stem lodging will occur by comparing the w
The parameters of the analytical Preisach distribution function and nonlinear scaling function for relaxing the congruency property of the classical Preisach model are determined based on measurements on toroidal samples. The parameters of the dynamic model are fitted to accurately reproduce symmetr