Steam tables for pure water as an ActiveX component in Visual Basic 6.0

Verma, Mahendra P.

doi:10.1016/s0098-3004(03)00136-5

Cited by 37 publications

(18 citation statements)

References 3 publications

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“…At 500 • C and 1 GPa, the density of water is 1010 kg m −3 (e.g. Verma, 2003), and the total water content computed for a unit column of the forearc mantle ranges from 500 m 3 m −2 near the mantle wedge corner to 2500 m 3 m −2 approaching the arc (Fig. 6c).…”

Section: Forearc Mantle Serpentinizationmentioning

confidence: 99%

The fate of fluids released from subducting slab in northern Cascadia

Ramachandran

Hyndman

2012

Solid Earth

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Abstract. Large amounts of water carried down in subduction zones are driven upward into the overlying forearc upper mantle and crust as increasing temperatures and pressure dehydrate the subducting crust. Through seismic tomography velocities we show (a) the overlying forearc mantle in northern Cascadia is hydrated to serpentinite, and (b) there is low Poisson's ratio at the base of the forearc lower crust that may represent silica deposited from the rising fluids. From the velocities observed in the forearc mantle, the volume of serpentinite estimated is ∼30 %. This mechanically weak hydrated forearc region has important consequences in limits to great earthquakes and to collision tectonics. An approximately 10 km thick lower crustal layer of low Poisson's ratio (σ = 0.22) in the forearc is estimated to represent a maximum addition of ∼14 % by volume of quartz (σ = 0.09). If this quartz is removed from rising silica-saturated fluids over long times, it represents a significant addition of silica to the continental crust and an important contributor to its average composition.

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Section: Forearc Mantle Serpentinizationmentioning

confidence: 99%

The fate of fluids released from subducting slab in northern Cascadia

Ramachandran

Hyndman

2012

Solid Earth

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“…To illustrate the calculations for Az‐12D,

10^{3} ln α_{liq - vap, atm,^{18} normalO} = 5.62

and

10^{3} ln α_{liq - vap, atm,^{2} normalH} = 31.60

at 91°C. From steam tables, the values of enthalpy of liquid (H liq,atm ) and vapor (H vap,atm ) at the Los Azufres atmospheric conditions (i.e. boiling temperature 91°C) are H liq,atm = 380.62 kJ/kg and H vap,atm = 2660.91 kJ/kg and the enthalpy of liquid (H liq,sep ) at the separator pressure (0.07248 MPa) is H liq,sep = 738.16 kJ/kg.…”

Section: Resultsmentioning

confidence: 99%

Inter‐laboratory test for oxygen and hydrogen stable isotope analyses of geothermal fluids: Assessment of reservoir fluid compositions

Verma

Geldern

Barth

et al. 2018

Rapid Comm Mass Spectrometry

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The measured and calculated δ O and δ H values of water sampled at the weir box, separator and wellhead of geothermal wells suggest the existence of hydrogen and oxygen isotope-exchange equilibrium between the liquid and vapor phases at all sampling points in the well. Thus, both procedures for calculating the isotopic compositions of the deep geothermal reservoir fluid - using either the analytical data of the liquid phase at the weir box together with those of vapor at the separator or the analytical data of liquid and vapor phases at the separator -are equally valid.

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“…The installation and uninstallation of library, DixonTest.dll, is explained in file ReadMe.PDF which is available as supplementary material. Verma (2003) explained the procedure for writing a function in the personal workbook of Excel. A macro stored in this location will be available for all the workbooks.…”

Section: Using Dixontestcriticalvalues In Excelmentioning

confidence: 99%