A Device for Dendrochronological Analysis

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UDС

620.1

DOI:

10.17238/issn0536-1036.2019.5.158

Abstract

Many techniques and devices for dendrochronological analysis of wood have been developed since the 70s of the 20th century. They are mainly based on the technical solutions proposed by B. Eklund. Currently used methods are based on the contour analysis of annual rings on cross sections of wood by the means of optical magnifying devices. Despite the engineering superiority and high cost, modern equipment has significant weaknesses related to measurement accuracy, work autonomy, and analysis duration. The research purpose is to eliminate the weaknesses by synthesis of engineering solutions and development of a new device. The new device was based on principle of measuring the forces of simple translational end-grain cutting and width determination of annual rings since the power parameters of mechanical cutting are closely related to the wood properties and structure. The device cost was reduced approximately to 250 thousand rubles, its reliability was increased by design simplifying and using simple measuring components, autonomy, and mobility of dendrochronological snalysis as a result of the conducted work. The developed device has high accuracy (±1 %) and measuring resolution (0.26...0.012 mm). It can find application in dendrochronological analysis through studies of macroscopic structure of wood and power parameters of wood cutting.

Authors

V.Yu. Chernov, Candidate of Engineering, Assoc. Prof.; ResearcherID: X-4439-2019, ORCID: 0000-0001-9496-7340
O.V. Tsoy, Master; ORCID:0000-0001-8028-2201
N.A. Magalyas, Master; ORCID: 0000-0002-4940-8918
М.S. Chernova, Postgraduate Student; ResearcherID: X-4073-2019, ORCID: 0000-0002-0192-5158

Affiliation

Volga State University of Technology, pl. Lenina 3, Yoshkar-Ola, Mari El Republic, 424000, Russian Federation; e-mail: Chernov.vas7936@yandex.ru, lelik-ha4@mail.ru, mashael0906@mail.ru

Keywords

dendrochronological analysis of wood, macrostructure, simple progressive wood cutting, power action parameters of wood cutting, accuracy and resolution of measurements

For citation

Chernov V.Yu., Tsoy O.V., Magalyas N.A., Chernova М.S. A Device for Dendrochronological Analysis. Lesnoy Zhurnal [Forestry Journal], 2019, no. 5, pp. 158–166. DOI: 10.17238/issn0536-1036.2019.5.158

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 Received on March 31, 2018