Lars Wadsö
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View article: Early quality control of stabilised dredged material by correlating heat production with strength
Early quality control of stabilised dredged material by correlating heat production with strength Open
This study explores the use of isothermal calorimetry to assess heat release during the initial phases of dredged sediment (DS) stabilisation with the primary goal of predicting the 28-day unconfined compressive strength (UCS) and enhancin…
View article: Effect of acetylation on wood-water interactions studied by sorption calorimetry
Effect of acetylation on wood-water interactions studied by sorption calorimetry Open
Sorption of water has a profound effect on the material properties of wood. The uptake of water vapour in wood and other materials releases more heat than the condensation of vapour to liquid water. This excess energy provides insights to …
View article: Novel MOF-based autonomous humidity control materials for energy-efficient indoor moisture regulation
Novel MOF-based autonomous humidity control materials for energy-efficient indoor moisture regulation Open
The concept of autonomous humidity control material (AHCM) is inspired by phase change material. AHCM is a new type of functional sorbent material. It can adsorb/release sufficient water vapor at the target relative humidity level and auto…
View article: Hygrothermal Properties and Performance of Bio-Based Insulation Materials Locally Sourced in Sweden
Hygrothermal Properties and Performance of Bio-Based Insulation Materials Locally Sourced in Sweden Open
In recent years, there has been a paradigm shift in the building sector towards more sustainable, resource efficient, and renewable materials. Bio-based insulation derived from renewable resources, such as plant or animal fibres, is one pr…
View article: Accurate heat capacity determination of solids and liquids using a heat conduction calorimeter
Accurate heat capacity determination of solids and liquids using a heat conduction calorimeter Open
This study investigates the suitability of heat conduction calorimeters for determining the specific heat capacity of solid and liquid substances. Accurate and precise measurements were obtained for various substances, including water, eth…
View article: Special Issue “Advances in Monitoring Metabolic Activities of Microorganisms by Calorimetry”
Special Issue “Advances in Monitoring Metabolic Activities of Microorganisms by Calorimetry” Open
In recent decades, the calorimetric monitoring of microbial metabolism, i [...]
View article: Using water vapour and N2 isotherms to unveil effects of SCMs on nanopores and evaluate hydration degree
Using water vapour and N2 isotherms to unveil effects of SCMs on nanopores and evaluate hydration degree Open
Nanopores are critical for the durability of cement-based materials, but the refinement of these pores by SCMs is yet to have a clear understanding. This paper studied effects of the water–binder ratio, SCMs and the drying on the distribut…
View article: Food waste to new food: Risk assessment and microbial community analysis of anaerobic digestate as a nutrient source in hydroponic production of vegetables
Food waste to new food: Risk assessment and microbial community analysis of anaerobic digestate as a nutrient source in hydroponic production of vegetables Open
In this study, the microbiological food safety of using anaerobic digestate as a fertilizer in hydroponic production of vegetables was evaluated. The used anaerobic digestate was a liquid residue obtained from the digestion of food waste i…
View article: The effect of reversible permeabilization and post-electroporation resting on the survival of Thai basil (O. Basilicum cv. thyrsiflora) leaves during drying
The effect of reversible permeabilization and post-electroporation resting on the survival of Thai basil (O. Basilicum cv. thyrsiflora) leaves during drying Open
Horticultural crops have a low tolerance to dehydration. In this paper, we show that the reversible electroporation (200 monopolar, rectangular pulses of 50 µs pulse duration, 760 µs between pulses and nominal field strength of 650 V/cm) o…
View article: Long-term cement hydration studies with isothermal calorimetry
Long-term cement hydration studies with isothermal calorimetry Open
The purpose of this study was to investigate for how long the thermal power of hydration can be measured with isothermal calorimetry, which is a general measurement technique with stable properties that, in many cases, can detect low rates…
View article: Development of pore structure, moisture sorption and transport properties in fly ash blended cement-based materials
Development of pore structure, moisture sorption and transport properties in fly ash blended cement-based materials Open
This study documents how the pore structure develops with time in cement-based materials with varying fly ash replacement. Heat production was measured during the first days, water vapour desorption isotherms were determined at different t…
View article: Magnetic Field Effect on Thermal, Dielectric, and Viscous Properties of a Transformer Oil-Based Magnetic Nanofluid
Magnetic Field Effect on Thermal, Dielectric, and Viscous Properties of a Transformer Oil-Based Magnetic Nanofluid Open
Progress in electrical engineering puts a greater demand on the cooling and insulating properties of liquid media, such as transformer oils. To enhance their performance, researchers develop various nanofluids based on transformer oils. In…
View article: Measuring the Heat of Interaction between Lignocellulosic Materials and Water
Measuring the Heat of Interaction between Lignocellulosic Materials and Water Open
Research Highlights: When investigating the sorption of water on lignocellulosic materials, the sorption or mixing enthalpy is an interesting parameter that, together with the sorption isotherms commonly measured, can be used to characteri…
View article: Rheological and Thermal Transport Characteristics of a Transformer Oil Based Ferrofluid
Rheological and Thermal Transport Characteristics of a Transformer Oil Based Ferrofluid Open
Ferrofluids based on insulating liquids are intensively studied as a potential substitute of liquid dielectric in high voltage technologies. In this work we focus on the experimental investigation of flow and thermal transport characterist…
View article: Influence of Vacuum Impregnation with Different Substances on the Metabolic Heat Production and Sugar Metabolism of Spinach Leaves
Influence of Vacuum Impregnation with Different Substances on the Metabolic Heat Production and Sugar Metabolism of Spinach Leaves Open
Vacuum impregnation (VI) has been widely used as pre-treatment prior to, e.g., minimal processing, freezing, or drying of fruit and vegetables. Most of the investigations have focused on the applicability of VI to modify physicochemical, s…
View article: Assessing hydration disturbances from concrete aggregates with radiation shielding properties by isothermal calorimetry
Assessing hydration disturbances from concrete aggregates with radiation shielding properties by isothermal calorimetry Open
Spallation sources create a large amount of neutrons with energies up to the GeV range. To shield for these neutrons, steel and concrete are important materials. By adding different aggregates to normal concrete, one can improve the shield…
View article: The Influence of Specimen Size and Distance to a Surface on Resistive Moisture Content Measurements in Wood
The Influence of Specimen Size and Distance to a Surface on Resistive Moisture Content Measurements in Wood Open
The moisture content of wood is commonly determined by measuring the electrical resistance between two electrodes inserted in the wood. However, problems using this method close to wood surfaces were reported in a previous study. In the pr…