An assessment of the potential of shadow sizing analysis and Particle Image Velocimetry (PIV) to characterise hot trub morphology

Jakubowski, Marek; Antonowicz, Arkadiusz; Janowicz, Monika; Sterczyńska, Monika; Piepiórka-Stepuk, Joanna; Poreda, Aleksander

doi:10.1016/j.jfoodeng.2015.10.033

Cited by 14 publications

(11 citation statements)

References 8 publications

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“…Images (90) were analysed using the method reported by Piepiórka‐Stepuk et al . and Jakubowski . The results are reported as means and standard deviations.…”

Section: Methodsmentioning

confidence: 99%

Impact of storage at room temperature on the properties of CiP solutions

et al. 2019

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This work reports the analysis of cleaning solutions used in cleaning in place (CiP) and the changes that occur during storage at room temperature. Tests were performed on different solutions used to clean brewhouse vessels and a mash filter in a local brewery. The solutions were collected from CiP tanks after regeneration and were stored for three months in darkness at room temperature. Over time, the physical, chemical and microbiological parameters of the cleaning solutions were analysed. At the end of the study, the solutions were evaluated in terms of surface wetting and cleaning capability. The results showed that storage of the solutions at room temperature contributed to the agglomeration of particulates into larger conglomerates that may contribute to clarification of cleaning solutions by sedimentation. However, other parameters of the stored CiP solutions did not change. © 2019 The Institute of Brewing & Distilling

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“…Images (90) were analysed using the method reported by Piepiórka‐Stepuk et al . and Jakubowski . The results are reported as means and standard deviations.…”

Section: Methodsmentioning

confidence: 99%

Impact of storage at room temperature on the properties of CiP solutions

et al. 2019

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“…Chemical compounds like polyphenols and proteins, and yeast remnants from the fermentation process, promote high turbidity of beer when not subjected to the filtration process (Steiner et al, 2010). Another explanation for the greater turbidity found in the samples using artichoke as a substitute for hops is that, throughout the boiling process, the polyphenols of hops are complexed with proteins from the wort and other compounds, decanting and forming the trub, which is then removed (Jakubowski et al, 2016).…”

Section: Physicochemical Characterisationmentioning

confidence: 99%

Alternative production of craft lager beers using artichoke (Cynara scolymus L.) as a hops substitute

et al. 2020

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Beer is a fermented beverage made from barley malt and hops under the action of a suitable yeast. The main function of hops in the brewing process is to provide bitterness, characteristic flavours and aromas to the beverage. However, hops only began to be added to the formulation of this beverage starting in the ninth century. Therefore, the use of other bitter plants as a substitute for hops may be a viable alternative. This study aimed at evaluating the use of artichoke as a total substitute for hops in American lager craft beer production. The substitution of hops with up to 2 g⋅L-1 artichoke resulted in a beer with a quality similar to that of the American lager beer traditionally found in the market. So, artichoke was confirmed to be a viable alternative for hops, having satisfactory physicochemical characteristics and good sensorial acceptance.

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“…Sometimes new observation methods and calculation methods are needed. For example, the observation of shadows during imaging [28].…”

Section: Experimental Demonstrationmentioning

confidence: 99%

Starting Conditions of Particle Migration in Tight Sandstone Reservoir Development

Shan

Zhou

2020

Processes

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In the tight sandstone oil production stage, the migration of particles will not only block the oil path and throat, but also block the wellbore and damage the equipment. Based on the theory of non-Newtonian fluid, hydrodynamics, the extended Derjaguin Landau Verwey Overbeek (DLVO) theory and the JKR (the model of Johnson–Kendall–Roberts) contact theory, the mathematical model and quantitative analysis of the critical condition of the particle separation from the surface due to the influence of oil flow in the fracture environment are presented in this paper. A theoretical model with pressure gradient as the core parameter and particle size, crack size and various contact forces as variables is established. By adding the formula of non-Newtonian fluid and taking the consistency coefficient and fluidity index as the contrast relation, the change rule of particle migration under the influence of non-Newtonian fluid is obtained. Effective prevention and control measures for the purpose of effectively preventing particle migration are also put forward. The results show that with the increase in the fluidity index, the pressure gradient decreases obviously; with the increase in the consistency coefficient, the pressure gradient increases obviously; and with the increase in particle size, the pressure gradient first decreases and then increases, thus creating a U-shaped curve. The lowest pressure gradient exists under the fixed condition.

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An assessment of the potential of shadow sizing analysis and Particle Image Velocimetry (PIV) to characterise hot trub morphology

Cited by 14 publications

References 8 publications

Impact of storage at room temperature on the properties of CiP solutions

Impact of storage at room temperature on the properties of CiP solutions

Alternative production of craft lager beers using artichoke (Cynara scolymus L.) as a hops substitute

Starting Conditions of Particle Migration in Tight Sandstone Reservoir Development

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