Two-Temperature Modeling of Nonequilibrium Relaxation and Dissociation in Shock-Heated Oxygen

Autor: Timothy T. Aiken, Iain D. Boyd

Publikováno v: Journal of Thermophysics and Heat Transfer. :1-10

Two-temperature models for coupled vibrational relaxation and dissociation in shock-heated oxygen are assessed using low-uncertainty measured data from reflected shock tube experiments. A computationally efficient multistep technique is developed to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7d33510a0b33be5a88d118ad57159443
https://doi.org/10.2514/1.t6753

Acid resistance of alkali-activated binders: A review of performance, mechanisms of deterioration and testing procedures

Autor: Timothy A. Aiken, Lei Gu, Jacek Kwasny, Ghasan F. Huseien, Daniel McPolin, Wei Sha

Publikováno v: Aiken, T A, Gu, L, Kwasny, J, Huseien, G F, McPolin, D & Sha, W 2022, ' Acid resistance of alkali-activated binders: A review of performance, mechanisms of deterioration and testing procedures. ', Construction and Building Materials, vol. 342, no. Part B, 128057 . https://doi.org/10.1016/j.conbuildmat.2022.128057

Acid resistance is an increasingly important property for cementitious materials due to the wide range of applications where they are exposed to aggressive acidic environments. These include sewage systems, agricultural environments, food industries,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::04d3f0bf47dccdd148e8e8be0c5a011e
https://pure.qub.ac.uk/en/publications/f30610f0-fc5c-492a-94ee-214ff01a2e21

Effect of molar ratios and curing conditions on the moisture resistance of magnesium oxychloride cement

Autor: Liam Nugent, Timothy A. Aiken, Brian Gavin, Leo Bagnall, Mark Russell, Daniel McPolin

Publikováno v: Aiken, T, Russell, M, McPolin, D, Gavin, B, Nugent, L & Bagnall, L 2022, ' Effect of molar ratios and curing conditions on the moisture resistance of magnesium oxychloride cement ', ASCE Journal of Materials in Civil Engineering, vol. 34, no. 2, 04021426 . https://doi.org/10.1061/(ASCE)MT.1943-5533.0004070

Magnesium oxychloride cement (MOC) is a promising binder with many advantageous properties over traditional binders. Its main downfall, restricting large-scale use, is its inherent susceptibility to moisture. However, in recent years, niche applicati

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5e25b09b8f8cf565ef270a7c89e8c3dd
https://pure.qub.ac.uk/en/publications/b40b04f6-66bc-4d72-b5a5-c5520d160727

Mechanical and durability properties of alkali-activated fly ash concrete with increasing slag content

Autor: Wei Sha, Timothy A. Aiken, Kien T. Tong, Jacek Kwasny

Publikováno v: Aiken, T A, Kwasny, J, Sha, W & Tong, K 2021, ' Mechanical and durability properties of alkali-activated fly ash concrete with increasing slag content ', Construction and Building Materials, vol. 301, 124330 . https://doi.org/10.1016/j.conbuildmat.2021.124330

Alkali-activated concrete is a promising alternative to conventional Portland cement-based concrete. However, further understanding in relation to the durability of alkali-activated concrete is required. This paper explores the resistance of alkali-a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5286d000fe46d208dc877c871e621d7a
https://pure.qub.ac.uk/en/publications/b0c06aba-9aa0-4ee7-8706-cddc206afa59

Resistance of alkali-activated binders to organic acids found in agri-food effluents

Autor: Timothy A. Aiken, Wei Sha, Jacek Kwasny

Publikováno v: Aiken, T, Kwasny, J & Sha, W 2021, ' Resistance of alkali-activated binders to organic acids found in agri-food effluents ', ASCE Journal of Materials in Civil Engineering, vol. 33, no. 4, 04021024 . https://doi.org/10.1061/(ASCE)MT.1943-5533.0003635

Organic acids, such as acetic and lactic acids, are prevalent in agricultural and food effluents. They pose a considerable pollution threat and must be collected and stored safely before treatment and release. They cause significant damage to cementi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fd272e9747563db1259247f6f4ce9a99
https://pure.qub.ac.uk/en/publications/resistance-of-alkaliactivated-binders-to-organic-acids-found-in-agrifood-effluents(74f2625e-6260-4647-b970-c52a8644d949).html