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Journal ArticleDOI

HITEMP, the high-temperature molecular spectroscopic database

TLDR
In this paper, a new molecular spectroscopic database for high-temperature modeling of the spectra of molecules in the gas phase is described, called HITEMP, which is analogous to the HITRAN database but encompasses many more bands and transitions than HitRAN for the absorbers H2O, CO2, CO, NO and OH.
Abstract
A new molecular spectroscopic database for high-temperature modeling of the spectra of molecules in the gas phase is described. This database, called HITEMP, is analogous to the HITRAN database but encompasses many more bands and transitions than HITRAN for the absorbers H2O, CO2, CO, NO, and OH. HITEMP provides users with a powerful tool for a great many applications: astrophysics, planetary and stellar atmospheres, industrial processes, surveillance, non-local thermodynamic equilibrium problems, and investigating molecular interactions, to name a few. The sources and implementation of the spectroscopic parameters incorporated into HITEMP are discussed.

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Citations
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Journal ArticleDOI

The interior and atmosphere of the habitable-zone exoplanet K2-18b.

TL;DR: In this paper, the atmospheric and interior properties of K2-18b were investigated based on its bulk properties and its atmospheric transmission spectrum, and the authors constrain the atmosphere to be H$2$-rich with a H$_2$O volume mixing ratio of $0.02-14.8$%, consistent with previous studies.
Journal ArticleDOI

Habitability and Biosignatures of Hycean Worlds

TL;DR: In this paper, the authors investigate a new class of habitable exoplanets composed of water-rich interiors with massive oceans underlying H2-rich atmospheres, referred to here as Hycean worlds.
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A highly accurate ab initio dipole moment surface for the ground electronic state of water vapour for spectra extending into the ultraviolet.

TL;DR: A new global and highly accurate ab initio dipole moment surface for water vapour is presented, based on a set of 17 628 multi-reference configuration interaction data points calculated with the aug-cc-pCV6Z basis set with the Douglas-Kroll-Hess Hamiltonian.
Journal ArticleDOI

Application of the Numerical Techniques for Modelling Fluidization Process Within Industrial Scale Boilers

TL;DR: The numerical simulation of the large scale industrial circulating fluidized bed (CFB) boilers, working under air- and oxy-fuel combustion are presented and the impact of radiative heat transfer on predicted temperature profile within the CFB boiler was investigated in presented work.
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Infrared radiation characteristics of a hypersonic vehicle under time-varying angles of attack

TL;DR: In this paper, a two-temperature model considering the thermal and chemical non-equilibrium effects is coupled with Navier-Stokes equations solved by the finite volume technique, and a gas-solid conjunction heat transfer model is also added into the fluid solver to simulate the surface temperature of the vehicle.
References
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Journal ArticleDOI

The HITRAN 2008 molecular spectroscopic database

TL;DR: The new HITRAN is greatly extended in terms of accuracy, spectral coverage, additional absorption phenomena, added line-shape formalisms, and validity, and molecules, isotopologues, and perturbing gases have been added that address the issues of atmospheres beyond the Earth.
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The hitran molecular database: editions of 1991 and 1992

TL;DR: The HITRAN molecular absorption database as mentioned in this paper contains line parameters for 31 species and their isotopomers that are significant for terrestrial atmospheric studies, including chlorofluorocarbons and other molecular species that are not amenable to line-by-line representation.
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The determination of an accurate isotope dependent potential energy surface for water from extensive ab initio calculations and experimental data

TL;DR: In this article, a high quality ab initio potential energy surface (PES) and dipole moment function (DPM) for water has been determined and an adjusted PES is empirically adjusted to improve the agreement between the computed line positions and those from the HITRAN 92 data base with J⩽5 for H216O.
Journal ArticleDOI

The HITRAN database: 1986 edition.

TL;DR: A description and summary of the latest edition of the AFGL HITRAN molecular absorption parameters database are presented and a FORTRAN program is now furnished to allow rapid access to the molecular transitions and for the creation of customized output.
Journal ArticleDOI

A high-accuracy computed water line list

TL;DR: The most complete water line list in existence, comprising over 500 million transitions (65 per cent more than any other list) and also the most accurate (over 90 per cent of all known experimental energy levels are within 0.3 cm −1 of the BT2 values) is presented in this article.
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