Constarium
← Search

Data · dataset · 2026

Spark generation around forwarders Quantifying spark spread from bogie tracks striking stones

Listed in Researchdata.se

This dataset contains recordings of spark generation events produced when a forwarder equipped with bogie tracks strikes stones under semi-controlled field conditions.

Description

The data were collected to quantify spark occurrence and spatial spread, supporting research on wildfire ignition mechanisms and fire risk mitigation in forestry operations. The dataset includes thermal imaging, RGB video, LiDAR data, and aggregated measurements derived from controlled field experiments conducted in south-central Sweden.

Data collection Field experiments were conducted at two sites (Site A and Site B) in south-central Sweden. A Komatsu 895 forwarder equipped with bogie tracks was driven over boulders at controlled speeds (0.5, 1, and 3 km/h). Each stone was traversed multiple times, resulting in a total of 79 recorded passes.

Read the rest (2 more)

Sensors used: Thermal camera: FLIR A655sc (resolution: 640x480 pixels, frame rate: 25 Hz) (for detecting sparks) RGB camera: ZED 2 (provided to facilitate the interpretation of the LiDAR data and thermal camera images) LiDAR: Velodyne VLP-16 (for determining spark travel distance) Sensors were mounted on a portable platform positioned approximately 7 m behind the stone, aligned with the bogie track–stone contact point.

Data processing Spark events were manually identified from thermal recordings using FLIR Research Studio version 2025.01.0. The spark travel distance was determined with the help of the LiDAR data (viewed/analyzed in MATLAB Lidar Viewer 2024b). The aggregated data includes: Number of sparks per pass Spark travel distance (binned: 0–15 cm, 15–30 cm, 30–45 cm, >45 cm) Forwarder speed (0.5, 1, 3 km/h) Site A vs Site B (new vs worn cleats)

Links

Where it is published

Catalogue records · 1

Topics

Inferred from text
Ecological applications 70% · Image 65% · Imaging 75% · Video 75%
Provenance · 1 source records, 10 field assertions
SourceKeyLast seenRaw
Researchdata.seoai:researchdata.se:oai-datarepository-kth-se-xme8h-jc618/012 d agoJSON v1
FieldAssertionExtractorEvidence
access_levelsource · researchdata seconnector:researchdata_se@1.0.0
concepts[field].anzsrc:group:4102enrichment · researchdata setaxonomy-embedding@1.1.0title+keywords+description (70%)
concepts[field].local:field:earth-environmentalmapping · researchdata seconnector:researchdata_se@1.0.0
concepts[modality].local:modality:imageenrichment · researchdata sekeyword-concept-rules@1.0.0title+description (65%)
concepts[modality].local:modality:imagingenrichment · researchdata sekeyword-concept-rules@1.0.0title+description (75%)
concepts[modality].local:modality:videoenrichment · researchdata sekeyword-concept-rules@1.0.0title+description (75%)
descriptionsource · researchdata seconnector:researchdata_se@1.0.0/metadata/dc/description
licensesource · researchdata seconnector:researchdata_se@1.0.0/metadata/dc/rights
publication_datesource · researchdata seconnector:researchdata_se@1.0.0
titlesource · researchdata seconnector:researchdata_se@1.0.0/metadata/dc/title