glass size
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2021 ◽  
Author(s):  
Halil Zafer Alibaba

The aim of this study was to determine how much thermal comfort can be obtained through heat/energy transfers between the office/external air and the transparent/opaque surfaces of an office by combining different transparent and opaque wall surface ratios with different window opening percentages using dynamic thermal simulations. It found that the optimum window-to-wall ratio (WWR) for energy conservation is 40%, with a 20% window opening ratio. The 80% and 90% thermal comfort ranges of the adaptive thermal comfort methodology are found in May, October, September, and the yearly average, while June and August are only in the range of 80% acceptability. The office constantly loses heat through air flow with any glass size on its external facade and any window opening ratio. Moreover, all sizes of opaque and transparent internal surfaces transferred heat from outside by conduction, while the opaque wall similarly always transferred energy to heat up the office air internally and outside air externally through convection. The external glass also heats the office air by convection, except in the months of January, November, and December.


Addiction ◽  
2020 ◽  
Vol 115 (9) ◽  
pp. 1660-1667 ◽  
Author(s):  
Mark Pilling ◽  
Natasha Clarke ◽  
Rachel Pechey ◽  
Gareth J. Hollands ◽  
Theresa M. Marteau
Keyword(s):  

2019 ◽  
Vol 12 (1) ◽  
Author(s):  
Natasha Clarke ◽  
Rachel Pechey ◽  
Mark Pilling ◽  
Gareth J. Hollands ◽  
Eleni Mantzari ◽  
...  

2019 ◽  
Author(s):  
Natasha Clarke ◽  
Rachel Pechey ◽  
Mark Pilling ◽  
Gareth J Hollands ◽  
Eleni Mantzari ◽  
...  

Objective. Previous research suggests that wine glass size affects sales of wine in bars, with more wine purchased when served in larger glasses. The current four studies, conducted in one restaurant (Studies 1&2) and two bars (Studies 3&4) in Cambridge, England, aim to establish the reproducibility of this effect of glass size on sales. A multiple treatment reversal design was used, involving wine being served in sequential fortnightly periods in different sized glasses of the same design (290ml, 350ml, and 450ml). The primary outcome was daily wine volume (ml) sold. Results. Restaurant: Daily wine volume sold was 13% (95% CI: 2%,24%) higher when served with 350ml vs. 290ml glasses in Study 1. A similar direction of effect was seen in Study 2 (6%; 95% CI: -1%,15%). Bars: Daily wine volume sold was 21% (95% CI: 9%,35%) higher when served with 450ml vs. 350ml glasses in Study 3. This effect was not observed in Study 4 (-7%, 95% CI: -16%,3%). Meaningful differences were not demonstrated with any other glass comparison. These results partially replicate previous studies showing that larger glasses increase wine sales. Considerable uncertainty remains about the magnitude of any effect and the contexts in which it might occur.


10.30544/406 ◽  
2019 ◽  
Vol 25 (1) ◽  
pp. 59-68
Author(s):  
Slavica R. Mihajlović ◽  
Živko T. Sekulić ◽  
Marina S. Blagojev ◽  
Miroslav R. Ignjatović

The paper presents the process of quartz sand processing from the „Bijela Stijena“-Skočić deposit in the plant „Kesogradnja d.o.o.“ at Kozluk near Zvornik, Republic of Srpska. Bearing in mind the fact that this quartz sand is used for water glass production in the company „Birač“ - Zvornik or „Alumina“ Zvornik, it was necessary to meet the quality requirements prescribed by that industrial production. Thus, the required size was -0.4+0.05 mm and the Fe2O3 content was maximum of 0.04%. Based on the laboratory tests, a technological scheme for the quartz raw material valorization was conceived in the separation of the company „Kesogradnja d.o.o.“. The obtained results showed that quartz sand for water glass size fraction -0.4+0.05 mm could be obtained in the plant. Also, by introducing a magnetic concentration after washing and grading, the Fe2O3 content was reduced from 0.131% as it is in the initial sample to 0.038% which meets the required conditions from the water glass producers.


BMJ ◽  
2017 ◽  
pp. j5623 ◽  
Author(s):  
Zorana Zupan ◽  
Alexandra Evans ◽  
Dominique-Laurent Couturier ◽  
Theresa M Marteau
Keyword(s):  

2017 ◽  
Vol 10 (1) ◽  
Author(s):  
Rachel Pechey ◽  
Dominique-Laurent Couturier ◽  
Gareth J. Hollands ◽  
Eleni Mantzari ◽  
Zorana Zupan ◽  
...  

2017 ◽  
Vol 10 (1) ◽  
Author(s):  
Rachel Pechey ◽  
Dominique-Laurent Couturier ◽  
Gareth J. Hollands ◽  
Eleni Mantzari ◽  
Zorana Zupan ◽  
...  

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