Blar i NTNU Open på forfatter "Wang, Liang"
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Effect of torrefaction on physiochemical characteristics and grindability of stem wood, stump and bark
Wang, Liang; Barta-Rajnai, Eszter; Skreiberg, Øyvind; Khalil, Roger Antoine; Czégény, Zsuzsanna; Jakab, Emma; Barta, Zsolt; Grønli, Morten (Journal article; Peer reviewed, 2017)In this work, Norway spruce stem wood, stump and bark were torrefied in a bench scale tubular reactor at 225, 275 and 300 °C with two residence times (30 and 60 min). Effect of torrefaction on general properties, chemical ... -
Experimental Study on Charcoal Production from Woody Biomass
Wang, Liang; Skreiberg, Øyvind; Van Wesenbeech, Sam; Grønli, Morten; Antal, Michael Jerry (Journal article; Peer reviewed, 2016)In the present work, effects of process conditions on char and fixed carbon yields from four woody biomasses were studied. The influence of the particle size, sample mass, and pressure on experimental values of char and ... -
Fast hydrothermal liquefaction of native and torrefied wood
Tran, Khanh-Quang; Klemsdal, Aksel Junge; Zhang, Wennan; Sandquist, Judit; Wang, Liang; Skreiberg, Øyvind (Journal article; Peer reviewed, 2017)The work presented in this paper aimed to examine the effect of heating rate on the bio-crude yield of wood hydrothermal liquefaction. Three different heating methods were developed, resulting in heating rates ranging from ... -
Gasification of High Heating-rate Biomass-derived Chars at Elevated Temperatures
Li, Tian; Niu, Yanqing; Wang, Liang; Løvås, Terese (Journal article; Peer reviewed, 2017)In this study, gasification behavior of high heating-rate chars were investigated using an entrained flow reactor with an optical particle-sizing pyrometer. Two biomass chars produced from forest residue and torrefied ... -
High temperature gasification of high heating-rate chars using a flat-flame reactor
Li, Tian; Niu, Yanqing; Wang, Liang; Shaddix, Christopher; Løvås, Terese (Journal article; Peer reviewed, 2018)The increasing interest in gasification and oxy-fuel combustion of biomass has heightened the need for a detailed understanding of char gasification in industrially relevant environments (i.e., high temperature and ... -
Hippocampal theta phases organize the reactivation of large-scale electrophysiological representations during goal-directed navigation
Kunz, Lukas; Wang, Liang; Lachner-Piza, Daniel; Zhang, Hui; Brandt, Armin; Dumpelmann, Matthias; Reinacher, Peter C; Coenen, Volker A.; Chen, Dong; Wang, Wen-Xu; Zhou, Wenjing; Liang, Shuli; Grewe, Philip; Bien, Christian G.; Bierbrauer, Anne; Navarro Schröder, Tobias; Schulze-Bonhage, Andreas; Axmacher, Nikolai (Peer reviewed; Journal article, 2019)Humans are adept in simultaneously following multiple goals, but the neural mechanisms for maintaining specific goals and distinguishing them from other goals are incompletely understood. For short time scales, working ... -
Impact of Torrefaction on Woody Biomass Properties
Wang, Liang; Barta-Rajnai, Eszter; Skreiberg, Øyvind; Khalil, Roger Antoine; Czégény, Zsuzsanna; Jakab, Emma; Barta, Zsolt; Grønli, Morten (Journal article; Peer reviewed, 2017)In this work, Norway spruce stem wood, stump and bark were torrefied in a tubular reactor. The effects of feedstock type and torrefaction process parameters such as torrefaction temperature and residence time on the ... -
Investigation on Ash Slagging Characteristics during Combustion of Biomass Pellets and Effect of Additives
Wang, Liang; Skjevrak, Geir; Skreiberg, Øyvind; Wu, Hongwei; Nielsen, Henrik Kofoed; Hustad, Johan Einar (Journal article; Peer reviewed, 2017)This study reports a systematic investigation into ash slagging behavior during combustion of barley straw and barley husk pellets with or without additives in a residential pellet burner. The slagging tendencies of the ... -
Latent heat storage for centralized heating system in a ZEB living laboratory: integration and design
Sevault, Alexis; Bøhmer, Fabian; Næss, Erling; Wang, Liang (Journal article; Peer reviewed, 2019)The ZEB Lab project, coordinated by SINTEF and NTNU, aims at building a ZEB (Zero Emission Building) in Trondheim (Norway) in 2019, to be used both as office building and living laboratory. An innovative latent heat storage ... -
Measurement of temperature conditions in grate zone of a 1 MW wood-pellets boiler fired with high ash content wood-pellets
Skotland, Christer Heen (Master thesis, 2009)The combustion of biomass could in some cases lead to ash problems induced by high temperatures such as ash sintering, agglomeration and melting. The degrees of these problems depend on the fuel feedstock and are highly ... -
On Soot Sampling: Considerations when Sampling for TEM Imaging and Differential Mobility Spectrometer
Emberson, David; Rohani, Behzad; Wang, Liang; Sæterli, Ragnhild; Løvås, Terese (Journal article; Peer reviewed, 2019)Particulate matter (PM) has been sampled from a compression ignition engine using a differential mobility spectrometer (Cambustion DMS 500) and for imaging in a transmission electron microscope (TEM) with the aim of coupling ... -
Pyrolysis of Untreated and Various Torrefied Stem Wood, Stump, and Bark of Norway Spruce
Barta-Rajnai, Eszter; Sebestyén, Zoltán; Jakab, Emma; Patus, Eszter; Bozi, Janos; Wang, Liang; Skreiberg, Øyvind; Grønli, Morten; Khalil, Roger Antoine; Czégény, Zsuzsanna (Journal article; Peer reviewed, 2019)The effect of torrefaction severity (temperature and residence time) was studied on the thermal decomposition of different parts of Norway spruce (stem wood, stump, and bark). The volatile content of the torrefied samples ... -
Risk and resilience management for biochar value chain
Sezgin Anıl, Fatma Erinç (Master thesis, 2023)Denne masteroppgaven tar sikte på å vurdere risiko- og motstandsdyktighetsstyring for biochar-verdikjeden, inkludert biomasseproduksjon, logistikk for råvarestyring, konvertering, distribusjonslogistikk og lagringsfaser ... -
Simultaneously boosting the mass and fixed-carbon yields of charcoal from forest residue via atmospheric carbonization
Tran, Khanh-Quang; Alonso, Maria Zabalo; Wang, Liang; Skreiberg, Øyvind (Journal article; Peer reviewed, 2017)The carbonization of various forest residues in comparison with their stem wood was studied by means of thermogravimetric analyzer operated non-isothermally at atmospheric pressure with a heating rate of 10K/min and a final ... -
Solid-State Hydrogen Storage Properties of Ti–V–Nb–Cr High-Entropy Alloys and the Associated Effects of Transitional Metals (M = Mn, Fe, Ni)
Cheng, Bo; Li, Yunkai; Li, Xiaoxi; Ke, Huibin; Wang, Liang; Cao, Tangqing; Wan, Di; Wang, Benpeng; Xue, Yunfei (Journal article, 2022)Recently, high-entropy alloys (HEAs) designed by the concepts of unique entropy-stabilized mechanisms, started to attract widespread interests for their hydrogen storage properties. HEAs with body-centered cubic (BCC) ... -
Study of CO2 gasification reactivity of biocarbon produced at different conditions
Wang, Liang; Maziarka, Przemysław; Skreiberg, Øyvind; Løvås, Terese; Wadrzyk, Mariusz; Sevault, Alexis (Journal article; Peer reviewed, 2017)Biocarbon has a great potential to replace fossil reductants and help reduce greenhouse gas emissions from carbon intensive metallurgical industries. In this work, biocarbon samples were produced from Norway spruce under ... -
The techno-economics of biocarbon production processes under Norwegian conditions
Olszewski, Maciej; Kempegowda, Rajesh Shivanahalli; Skreiberg, Øyvind; Wang, Liang; Løvås, Terese (Journal article; Peer reviewed, 2017)This work deals with techno-economic analysis studies in the context of production of various grade biocarbon for utilization as reducing agents in metallurgical industries. A detailed process design was developed for wood ... -
Thermal Decomposition Kinetics of Wood and Bark and their Torrefied Products
Barta-Rajnai, Eszter; Várhegyi, Gábor; Wang, Liang; Skreiberg, Øyvind; Grønli, Morten; Czégény, Zsuzsanna (Journal article; Peer reviewed, 2017)The pyrolysis kinetics of Norway spruce, its bark, and their torrefied products was studied. Thermogravimetry (TGA) was employed with linear and stepwise heating programs. Altogether 36 TGA experiments were evaluated ...