Frank R. Stockton

Griffin, Martin I.J.

doi:10.9783/9781512816464

Cited by 12 publications

(13 citation statements)

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“…The evaporation data presented by Sharpley and Boelter (12), together with that contributed subsequently (3,4), are also plotted in Figure 7. Within the limits of 107 < (Gr'Pr') S 2 X 10* the expression Xu' = 0.643 (Gr'Pr')0•26 (7) is found to represent the combined data best.…”

Section: Unit Conductancementioning

confidence: 99%

Free Evaporation into Air of Water from a Free Horizontal Quiet Surface

Boelter¹,

Gordon²,

Griffin³

1946

Ind. Eng. Chem.

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Section: Unit Conductancementioning

confidence: 99%

Free Evaporation into Air of Water from a Free Horizontal Quiet Surface

Boelter¹,

Gordon²,

Griffin³

1946

Ind. Eng. Chem.

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“…A task is an identifiable, prescribed, and ongoing set of actions that is recognized by job incumbents as constituting a work process to meet certain organizational goals. Typically, the task is the most discrete component that organizational members can use to meaningfully label or categorize the various elements of their work activity (see Griffin, 1982; Wong & Campion, 1991). The analytical objective was to use these events, tasks, and their temporal relationships to explain how entrance screening emerged as a new operation in Aspen (see Langley et al, 2013).…”

Section: Methodsmentioning

confidence: 99%

Starting from scratch

Lai

Larson

DePuccio

et al. 2023

Health Care Manage Rev

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Background: Health care organizations are constantly creating new work to achieve evolving goals such as digitalization, equity, value, or well-being. However, scholars have paid less attention to how such work becomes "work" in the first place, despite implications for the design, quality, and experience of work and, consequently, employee and organizational outcomes. Purpose: The aim of this study was to investigate how new work becomes enacted in health care organizations. Methodology: A longitudinal, qualitative case study on the enactment of entrance screening-a new operation in response to COVID-19-in a multihospital academic medical center was performed. Results: Entrance screening comprised four tasks, whose design was initially influenced by institutional guidelines (e.g., Centers for Disease Control and Prevention recommendations) and clinical experts. Organizational-level influences (e.g., resource availability) then became more prominent, necessitating multiple feedback-response loops to calibrate the performance of entrance screening. Finally, entrance screening was integrated into existing operations of the organization to ensure operational sustainability. The treatment of entrance screening as an operation changed over time-initially seen as infection control work, it eventually bifurcated into patient care and clerical work. Conclusion:The enactment of new work is constrained by the fit between resources and its intended output. Furthermore, the schema of work influences how and when organizational actors calibrate this fit. Practice Implications: Health care leaders and managers should continuously update their schemas of work so that they can develop more sufficient and accurate representations of the employee capabilities that are required for the performance of new work.

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“…The stellar abundances of Mg and Si were derived using the classical curve-of-growth analysis method (Griffin & Griffin 1967;Adibekyan et al 2012) and assuming local thermodynamic equilibrium. We used the same tools and models as for the stellar parameter determination.…”

Section: Stellar Parametersmentioning

confidence: 99%

HD 23472: a multi-planetary system with three super-Earths and two potential super-Mercuries,

Barros

Alibert

Leleu

et al. 2022

A&A

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Context. Comparing the properties of planets orbiting the same host star, and thus formed from the same accretion disc, helps in constraining theories of exoplanet formation and evolution. As a result, the scientific interest in multi-planetary systems is growing with the increasing number of detections of planetary companions. Aims. We report the characterisation of a multi-planetary system composed of five exoplanets orbiting the K-dwarf HD 23472 (TOI-174). Methods. In addition to the two super-Earths that were previously confirmed, we confirm and characterise three Earth-size planets in the system using ESPRESSO radial velocity observations. The planets of this compact system have periods of P d " 3.98 , P e " 7.90 , P f " 12.16 , P b " 17.67, and P c " 29.80 days and radii of R d " 0.75 , R e " 0.82,, R f " 1.13 , R b " 2.01, and, R c " 1.85 R C . Because of its small size, its proximity to planet d's transit, and close resonance with planet d, planet e was only recently found. Results. The planetary masses were estimated to be M d " 0.54 ˘0.22, M e " 0.76 ˘0.30, M f " 0.64 `0.46 ´0.39 , M b " 8.42 `0.83 ´0.84 , and M c " 3.37 `0.92 ´0.87M C . These planets are among the lightest planets, with masses measured using the radial velocity method, demonstrating the very high precision of the ESPRESSO spectrograph. We estimated the composition of the system's five planets and found that their gas and water mass fractions increase with stellar distance, suggesting that the system was shaped by irradiation. The high density of the two inner planets (ρ d " 7.5 `3.9 ´3.1 and ρ e " 7.5 `3.9 ´3.0 g.cm ´3) indicates that they are likely to be super-Mercuries. This is supported by the modelling of the internal structures of the planets, which also suggests that the three outermost planets have significant water or gas content. Conclusions. If the existence of two super-Mercuries in the system is confirmed, this system will be the only one known to feature two super-Mercuries, making it an excellent testing bed for theories of super-Mercuries formation. Furthermore, the system is close to a Laplace resonance, and further monitoring could shed light on how it was formed. Its uniqueness and location in the continuous viewing zone of the James Webb space telescope will make it a cornerstone of future in-depth characterisations.

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Frank R. Stockton

Cited by 12 publications

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Free Evaporation into Air of Water from a Free Horizontal Quiet Surface

Free Evaporation into Air of Water from a Free Horizontal Quiet Surface

Starting from scratch

HD 23472: a multi-planetary system with three super-Earths and two potential super-Mercuries,

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