IMPACT2010 (IMPACT) and Structures under Soft Impact (SUSI)

IMPACT and SUSI joint report

Kim Calonius, Ilkka Hakola, Simo Hostikka, Arja Saarenheimo, Ari Silde, Ari Vepsä, Markku Tuomala

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

Abstract

An impact test apparatus has been built in autumn 2004 to test especially soft missile impacts against reinforced concrete walls. The apparatus has been designed to be suitable also for investigating fuel spreading, e.g. measuring droplet size and velocity. At the beginning of the project, one of the main purposes was to measure the force time function during the impact. It was enabled by a thick force plate with force transducers installed in front of the supporting frame. The main aim of the project is to produce data for verifying and developing numerical models and methods. This work has been carried out within the SUSI project. The spread of liquid fuel as a result of an aircraft crash may cause a sudden fire with hazardous effects on the safety of the NPP. The spread phenomena have been studied at VTT in the IMPACT tests both experimentally and numerically. The goals of the study were to increase a general understanding of the liquid dispersion phenomena under impact conditions, to measure some of the input parameters needed for numerical simulations, and to take in use and to validate simulation methods for the determination of fuel spread and fires. The Fire Dynamics Simulator (FDS) program was used to estimate the fraction of the aircraft fuel that accumulates into pools burning on the ground and to examine the heat exposures resulting from a 10 ton kerosene release.
Original languageEnglish
Title of host publicationSAFIR2010
Subtitle of host publicationThe Finnish Research Programme on Safety 2007-2010: Final Report
Place of PublicationEspoo
PublisherVTT Technical Research Centre of Finland
Pages490-519
ISBN (Electronic)978-951-38-7690-6
ISBN (Print)978-951-38-7689-0
Publication statusPublished - 2011
MoE publication typeNot Eligible

Publication series

NameVTT Tiedotteita - Research Notes
PublisherVTT
Number2571
ISSN (Print)1235-0605
ISSN (Electronic)1455-0865

Fingerprint

Fires
Aircraft fuels
Kerosene
Liquid fuels
Missiles
Reinforced concrete
Numerical models
Transducers
Numerical methods
Simulators
Aircraft
Computer simulation
Liquids
Hot Temperature

Cite this

Calonius, K., Hakola, I., Hostikka, S., Saarenheimo, A., Silde, A., Vepsä, A., & Tuomala, M. (2011). IMPACT2010 (IMPACT) and Structures under Soft Impact (SUSI): IMPACT and SUSI joint report. In SAFIR2010: The Finnish Research Programme on Safety 2007-2010: Final Report (pp. 490-519). Espoo: VTT Technical Research Centre of Finland. VTT Tiedotteita - Research Notes, No. 2571
Calonius, Kim ; Hakola, Ilkka ; Hostikka, Simo ; Saarenheimo, Arja ; Silde, Ari ; Vepsä, Ari ; Tuomala, Markku. / IMPACT2010 (IMPACT) and Structures under Soft Impact (SUSI) : IMPACT and SUSI joint report. SAFIR2010: The Finnish Research Programme on Safety 2007-2010: Final Report. Espoo : VTT Technical Research Centre of Finland, 2011. pp. 490-519 (VTT Tiedotteita - Research Notes; No. 2571).
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abstract = "An impact test apparatus has been built in autumn 2004 to test especially soft missile impacts against reinforced concrete walls. The apparatus has been designed to be suitable also for investigating fuel spreading, e.g. measuring droplet size and velocity. At the beginning of the project, one of the main purposes was to measure the force time function during the impact. It was enabled by a thick force plate with force transducers installed in front of the supporting frame. The main aim of the project is to produce data for verifying and developing numerical models and methods. This work has been carried out within the SUSI project. The spread of liquid fuel as a result of an aircraft crash may cause a sudden fire with hazardous effects on the safety of the NPP. The spread phenomena have been studied at VTT in the IMPACT tests both experimentally and numerically. The goals of the study were to increase a general understanding of the liquid dispersion phenomena under impact conditions, to measure some of the input parameters needed for numerical simulations, and to take in use and to validate simulation methods for the determination of fuel spread and fires. The Fire Dynamics Simulator (FDS) program was used to estimate the fraction of the aircraft fuel that accumulates into pools burning on the ground and to examine the heat exposures resulting from a 10 ton kerosene release.",
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Calonius, K, Hakola, I, Hostikka, S, Saarenheimo, A, Silde, A, Vepsä, A & Tuomala, M 2011, IMPACT2010 (IMPACT) and Structures under Soft Impact (SUSI): IMPACT and SUSI joint report. in SAFIR2010: The Finnish Research Programme on Safety 2007-2010: Final Report. VTT Technical Research Centre of Finland, Espoo, VTT Tiedotteita - Research Notes, no. 2571, pp. 490-519.

IMPACT2010 (IMPACT) and Structures under Soft Impact (SUSI) : IMPACT and SUSI joint report. / Calonius, Kim; Hakola, Ilkka; Hostikka, Simo; Saarenheimo, Arja; Silde, Ari; Vepsä, Ari; Tuomala, Markku.

SAFIR2010: The Finnish Research Programme on Safety 2007-2010: Final Report. Espoo : VTT Technical Research Centre of Finland, 2011. p. 490-519 (VTT Tiedotteita - Research Notes; No. 2571).

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

TY - CHAP

T1 - IMPACT2010 (IMPACT) and Structures under Soft Impact (SUSI)

T2 - IMPACT and SUSI joint report

AU - Calonius, Kim

AU - Hakola, Ilkka

AU - Hostikka, Simo

AU - Saarenheimo, Arja

AU - Silde, Ari

AU - Vepsä, Ari

AU - Tuomala, Markku

PY - 2011

Y1 - 2011

N2 - An impact test apparatus has been built in autumn 2004 to test especially soft missile impacts against reinforced concrete walls. The apparatus has been designed to be suitable also for investigating fuel spreading, e.g. measuring droplet size and velocity. At the beginning of the project, one of the main purposes was to measure the force time function during the impact. It was enabled by a thick force plate with force transducers installed in front of the supporting frame. The main aim of the project is to produce data for verifying and developing numerical models and methods. This work has been carried out within the SUSI project. The spread of liquid fuel as a result of an aircraft crash may cause a sudden fire with hazardous effects on the safety of the NPP. The spread phenomena have been studied at VTT in the IMPACT tests both experimentally and numerically. The goals of the study were to increase a general understanding of the liquid dispersion phenomena under impact conditions, to measure some of the input parameters needed for numerical simulations, and to take in use and to validate simulation methods for the determination of fuel spread and fires. The Fire Dynamics Simulator (FDS) program was used to estimate the fraction of the aircraft fuel that accumulates into pools burning on the ground and to examine the heat exposures resulting from a 10 ton kerosene release.

AB - An impact test apparatus has been built in autumn 2004 to test especially soft missile impacts against reinforced concrete walls. The apparatus has been designed to be suitable also for investigating fuel spreading, e.g. measuring droplet size and velocity. At the beginning of the project, one of the main purposes was to measure the force time function during the impact. It was enabled by a thick force plate with force transducers installed in front of the supporting frame. The main aim of the project is to produce data for verifying and developing numerical models and methods. This work has been carried out within the SUSI project. The spread of liquid fuel as a result of an aircraft crash may cause a sudden fire with hazardous effects on the safety of the NPP. The spread phenomena have been studied at VTT in the IMPACT tests both experimentally and numerically. The goals of the study were to increase a general understanding of the liquid dispersion phenomena under impact conditions, to measure some of the input parameters needed for numerical simulations, and to take in use and to validate simulation methods for the determination of fuel spread and fires. The Fire Dynamics Simulator (FDS) program was used to estimate the fraction of the aircraft fuel that accumulates into pools burning on the ground and to examine the heat exposures resulting from a 10 ton kerosene release.

M3 - Chapter or book article

SN - 978-951-38-7689-0

T3 - VTT Tiedotteita - Research Notes

SP - 490

EP - 519

BT - SAFIR2010

PB - VTT Technical Research Centre of Finland

CY - Espoo

ER -

Calonius K, Hakola I, Hostikka S, Saarenheimo A, Silde A, Vepsä A et al. IMPACT2010 (IMPACT) and Structures under Soft Impact (SUSI): IMPACT and SUSI joint report. In SAFIR2010: The Finnish Research Programme on Safety 2007-2010: Final Report. Espoo: VTT Technical Research Centre of Finland. 2011. p. 490-519. (VTT Tiedotteita - Research Notes; No. 2571).