Robert Prinz
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View article: Idle times of forest machine and truck fleets in Finnish logging and timber-hauling enterprises
Idle times of forest machine and truck fleets in Finnish logging and timber-hauling enterprises Open
In the forest sector, the idle time of machinery has a significant impact on fuel consumption, greenhouse gas (GHG) emissions, and operating costs. This study investigated the idle times of forest machinery and timber trucks in Finland. St…
View article: Transferring synchromodal principles to forest biomass supply: A holistic approach to supply chain design
Transferring synchromodal principles to forest biomass supply: A holistic approach to supply chain design Open
Forest biomass supply chains face persistent challenges due to their complexity, fragmentation, and sensitivity to spatial and temporal variability. Traditional supply chain planning methods often lack the flexibility and integrative capac…
View article: Alternative Powertrains and Fuels in Heavy Non-Road Mobile Machinery and Their Future Expectations - A Review
Alternative Powertrains and Fuels in Heavy Non-Road Mobile Machinery and Their Future Expectations - A Review Open
Purpose of the Review This literature review focused on studies on alternative powertrains and fuels of non-road mobile machinery (NRMM) during the last 15 years and investigated their future potential and expectations. The goal was to eva…
View article: Beyond the Genome: A Multi-Scale, Agent-Based Taxonomy of Biological Codes and Energetic Constraints
Beyond the Genome: A Multi-Scale, Agent-Based Taxonomy of Biological Codes and Energetic Constraints Open
View article: Dynamics of decomposition gases and release of volatile organic substances in long-term storage stockpiles of pine bark: Focus on mono- and sesquiterpenes
Dynamics of decomposition gases and release of volatile organic substances in long-term storage stockpiles of pine bark: Focus on mono- and sesquiterpenes Open
View article: Integrating bio-hubs in biomass supply chains: Insights from a systematic literature review
Integrating bio-hubs in biomass supply chains: Insights from a systematic literature review Open
View article: Soil, Driving Speed and Driving Intensity Affect Fuel Consumption of Forwarders
Soil, Driving Speed and Driving Intensity Affect Fuel Consumption of Forwarders Open
Fuel consumption is one of the key parameters in mechanised forest operations, particularly on lower bearing capacity soils, as wheel chains or bogie tracks can have a strong effect on it. This study aims to analyse the fuel consumption of…
View article: Self-Heating, Drying, and Dry Matter Losses of Stockpiled Stemwood Chips: The Effect of Ventilation
Self-Heating, Drying, and Dry Matter Losses of Stockpiled Stemwood Chips: The Effect of Ventilation Open
The comminution of fuelwood for efficient transportation and handling exposes the material to various biological and chemical decomposition processes. The stockpiling of fuel chips can result in significant dry matter losses (DML) and cons…
View article: Industrial End-Users’ Preferred Characteristics for Wood Biomass Feedstocks
Industrial End-Users’ Preferred Characteristics for Wood Biomass Feedstocks Open
The use of sustainably sourced biomass is an important tool for mitigating the effects of climate change; but biomass is far from being a homogeneous resource. The aim of this study was to examine the decision-making process of industrial …
View article: Performance of an Innovative Bio-Based Wood Chip Storage Pile Cover—Can It Replace Plastic Tarps?
Performance of an Innovative Bio-Based Wood Chip Storage Pile Cover—Can It Replace Plastic Tarps? Open
There is currently great general interest in reducing the use of fossil-based materials. Fossil-based tarps are still widely used as cover for wood chip storage piles, causing additional waste or requiring further waste treatment in the su…
View article: Spatio-temporal prediction of soil moisture using soil maps, topographic indices and SMAP retrievals
Spatio-temporal prediction of soil moisture using soil maps, topographic indices and SMAP retrievals Open
Milder winters and extended wetter periods in spring and autumn limit the amount of time available for carrying out ground-based forest operations on soils with satisfactory bearing capacity. Thus, damage to soil in form of compaction and …
View article: Spatio-temporal prediction of soil moisture using soil maps, topographic indices and SMAP retrievals
Spatio-temporal prediction of soil moisture using soil maps, topographic indices and SMAP retrievals Open
The work presented looks at methods to model field measured spatio-temporal variations of soil moisture content (SMC, [%vol]) – a crucial factor for soil strength and thus trafficability. We incorporated large-scaled maps of soil character…
View article: Spatio-temporal prediction of soil moisture and soil strength by depth-to-water maps
Spatio-temporal prediction of soil moisture and soil strength by depth-to-water maps Open
The utilization of detailed digital terrain models entails an enhanced basis for supporting sustainable forest management, including the reduction of soil impacts through predictions of site trafficability during mechanized harvesting oper…
View article: Spatio-temporal prediction of soil moisture using soil maps, topographic indices and NASA Earthdata
Spatio-temporal prediction of soil moisture using soil maps, topographic indices and NASA Earthdata Open
The work presented looks at methods to model field measured spatio-temporal variations of soil moisture content (SMC, [%vol]) – a crucial factor for soil strength and thus trafficability. We incorporated large-scaled maps of soil character…
View article: Spatio-temporal prediction of soil moisture using soil maps, topographic indices and NASA Earthdata
Spatio-temporal prediction of soil moisture using soil maps, topographic indices and NASA Earthdata Open
The work presented looks at methods to model field measured spatio-temporal variations of soil moisture content (SMC, [%vol]) – a crucial factor for soil strength and thus trafficability. We incorporated large-scaled maps of soil character…
View article: The effect of bogie track and forwarder design on rut formation in a peatland
The effect of bogie track and forwarder design on rut formation in a peatland Open
The effect of forest machinery on the rut formation on extraction trails is an important aspect of forest operations. The aim of this study was to compare how track design and vehicle configuration affects rut formation on straight and cur…
View article: Sustainability Assessment of current and recommended methods : TECH4EFFECT project report
Sustainability Assessment of current and recommended methods : TECH4EFFECT project report Open
The TECH4EFFECT project (http://www.tech4effect.eu/), funded by the "Bio Based Industries Joint Undertaking under the European Union's Horizon 2020 research and innovation program", is an international research collaboration of 20 partners…
View article: Cutting duration and performance parameters of a harvester’s sawing unit under real working conditions
Cutting duration and performance parameters of a harvester’s sawing unit under real working conditions Open
View article: Roundwood and Biomass Logistics in Finland and Sweden
Roundwood and Biomass Logistics in Finland and Sweden Open
Logistics of roundwood and biomass comprise a high number of operations, machinery, storage sites and transportable roundwood and biomass assortments. Moreover, complex and highly varying operational environment through the year poses logi…
View article: Business tools for improved stand treatment and wood mobilization services
Business tools for improved stand treatment and wood mobilization services Open
View article: Selection of a chipper technology for small-scale operations - a Finnish case
Selection of a chipper technology for small-scale operations - a Finnish case Open
The objective of this study was to determine the economic performance of alternative chipper choices for small-scale chipping based on unit cost (€ per chip-m3) and net present value (NPV) calculations. For the chipping cost and investment…
View article: Comparison of ground disturbance of frozen peatland during stump harvesting using a stump drill and rake
Comparison of ground disturbance of frozen peatland during stump harvesting using a stump drill and rake Open
Tree stumps could be a source of renewable energy, contributing to a reduced dependence on fossil fuels. In Finland, stumps are currently harvested when the ground is not frozen to avoid co-removal of large amounts of soil and stones. Henc…
View article: Improving performance and energy efficiency of biomass supply through machine alteration and organisational redesign
Improving performance and energy efficiency of biomass supply through machine alteration and organisational redesign Open
This thesis summarises the findings of four case studies focussing on the redesign of specific aspects of the forest chip supply chain, the use of alternative terminals for chip supply, the interdependencies of chipper and chip trucks and …
View article: Modifying the settings of CTL timber harvesting machines to reduce fuel consumption and CO2 emissions
Modifying the settings of CTL timber harvesting machines to reduce fuel consumption and CO2 emissions Open
The objectives of this study were to examine the possibility of reducing the fuel consumption and CO2 emissions of harvesters during cut-to-length operations by applying various technical settings to the machine through the machine's own s…
View article: Ecohog – Technology for the waste and recycling sector : Technology Transfer case
Ecohog – Technology for the waste and recycling sector : Technology Transfer case Open
View article: Innovative Hybrid Chipper for Forest Chip Production : A Theoretical Technology Transfer Case Study
Innovative Hybrid Chipper for Forest Chip Production : A Theoretical Technology Transfer Case Study Open
View article: Alternative operation models for using a feed‐in terminal as a part of the forest chip supply system for a <scp>CHP</scp> plant
Alternative operation models for using a feed‐in terminal as a part of the forest chip supply system for a <span>CHP</span> plant Open
The fuel supply of forest chips has to adapt to the annual fluctuations of power and heat generation. This creates inefficiency and unbalances the capacity utilization of the fuel supply fleet in the direct fuel supplies from roadside stor…
View article: Atlas with regional cost supply biomass potentials for EU 28, Western Balkan countries, Moldavia, Turkey and Ukraine
Atlas with regional cost supply biomass potentials for EU 28, Western Balkan countries, Moldavia, Turkey and Ukraine Open
View article: A Spatial Data Base On Sustainable Biomass Cost-Supply Of Lignocellulosic Biomass In Europe - Methods & Data Sources. S2Biom Project Report 1.6.
A Spatial Data Base On Sustainable Biomass Cost-Supply Of Lignocellulosic Biomass In Europe - Methods & Data Sources. S2Biom Project Report 1.6. Open
This report accompanies the data base on cost supply potentials. The data base comprises both the sustainable supply and cost of solid lignocellulosic biomass from forestry, dedicated energy cropping, agricultural residues, and secondary r…
View article: Atlas With Regional Cost Supply Biomass Potentials For Eu 28, Western Balkan Countries, Moldavia, Turkey And Ukraine. S2Biom Project Report 1.8
Atlas With Regional Cost Supply Biomass Potentials For Eu 28, Western Balkan Countries, Moldavia, Turkey And Ukraine. S2Biom Project Report 1.8 Open
Within the S2BIOM project, WP1 provides state of the art data on current and future sustainable lignocellulosic biomass cost and supply levels for EU28, Western Balkans, Ukraine, Turkey and Moldova. This report provides an overview on the …