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Jason Hartwig

NASA Glenn Research Center

SCHOLARLY PAPERS

12

DOWNLOADS

616

TOTAL CITATIONS

6

Scholarly Papers (12)

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1.

Microgravity Demonstration of a Hybrid Screen Channel Liquid Acquisition Device for Transfer of Cryogenic Fluids

Number of pages: 19 Posted: 25 Apr 2024
Thomas M. Conboy, Lucas E. O'Neill, Mark V. Zagarola and Jason Hartwig
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and NASA Glenn Research Center
Downloads 84 (790,029)
Citation 1

Abstract:

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Cryogenic propellant transfer, liquid acquisition device, microgravity liquid vapor separation

2.

CFD Simulations for Predicting Vertical Upflow Liquid Nitrogen Transfer Line Chilldown Process using a 3D Two-phase Flow Mixture Model

Number of pages: 44 Posted: 03 Oct 2025
Chirag Kharangate, Jaychandran Narayanan, Sonya Hylton, Mohammad Kassemi, Jason Hartwig and Jeffrey Mackey
Case Western Reserve University, Case Western Reserve University, Case Western Reserve University, Case Western Reserve University, NASA Glenn Research Center and NASA Glenn Research Center
Downloads 79 (875,328)

Abstract:

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transfer line chilldown, mixture model, film boiling, vapor film, nucleate boiling

3.

Mechanisms of Carbon Dioxide Fouling Formation and Growth During Boiling of Liquid Nitrogen on Nano-Smooth Surfaces and its Effect on Heat Transfer

Number of pages: 42 Posted: 25 Apr 2025
Florian Chavagnat, Bren Phillips, Jason Hartwig, Emilio Baglietto and Matteo Bucci
affiliation not provided to SSRN, affiliation not provided to SSRN, NASA Glenn Research Center, affiliation not provided to SSRN and affiliation not provided to SSRN
Downloads 77 (852,604)

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Liquid nitrogen, nucleate boiling, cryogenic fouling, carbon dioxide contamination.

4.

A Terrestrial Cryogenic Transfer Line Chilldown Experimental Study - Performance Enhancements and Process Optimization Ii. Chilldown Efficiency, Effects of Flow Direction and Tube Wall Thickness

Number of pages: 25 Posted: 18 Dec 2023
Hao Wang, Bo Han Huang, Jun Dong, Jacob N. Chung and Jason Hartwig
University of Florida, University of Florida, University of Florida, University of Florida and NASA Glenn Research Center
Downloads 66 (916,100)

Abstract:

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Liquid nitrogen, Line chilldown, Teflon coating layer, Tube wall thickness, Flow direction effects, Chilldown efficiency.

5.

Thermal Desktop Modeling of the 2016 Cryote-2 Tank Chilldown and Fill Testing

Number of pages: 32 Posted: 24 May 2024
Erin Tesny and Jason Hartwig
NASA Glenn Research Center and NASA Glenn Research Center
Downloads 61 (970,490)

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no-vent fill, Thermal Desktop, chilldown, Condensation, liquid nitrogen

6.

3d Effervescence Modeling of a Titan Submarine

Number of pages: 35 Posted: 07 Feb 2025
Jason Hartwig, Peter Meyerhofer, R. Balasubramaniam, Ralph Lorenz, Anthony Colozza, Geoffrey Landis and Steve Oleson
NASA Glenn Research Center, affiliation not provided to SSRN, Case Western Reserve University, Johns Hopkins University Applied Physics Laboratory, affiliation not provided to SSRN, NASA Glenn Research Center and NASA Glenn Research Center
Downloads 51 (1,052,702)

Abstract:

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Titan, Ligeia, submarine, effervescence, nitrogen/methane/ethane, bubble incipience

7.

Space Screen Channel Liquid Acquisition Device Experiments in Liquid Nitrogen for Coarse Meshes. I. Cold Pressurant Gas Bubble Point Tests

Number of pages: 32 Posted: 19 Jul 2022
Chase Camarotti, Jason Hartwig and Jacob N. Chung
University of Florida, NASA Glenn Research Center and University of Florida
Downloads 47 (1,097,529)
Citation 1

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Liquid Acquisition Device (LAD), Liquid Nitrogen (LN2), Cold Pressurant Gas, Bubble Point (BP), Coarse Mesh.

8.

Experimental Investigations on the Flow Boiling and Heat Transfer Characteristics During Chilldown Process in a Closed-Loop Chilldown Test Section

Number of pages: 49 Posted: 14 Feb 2024
Chirag Kharangate, Jaychandran Narayanan, Jason Hartwig, Jeffrey Mackey and Mohammad Kassemi
Case Western Reserve University, Case Western Reserve University, NASA Glenn Research Center, NASA Glenn Research Center and Case Western Reserve University
Downloads 44 (1,145,425)
Citation 2

Abstract:

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chilldown, horizontal flow, film boiling, transition boiling, nucleate boiling

9.

Space Screen Channel Liquid Acquisition Device Experiments in Liquid Nitrogen for Coarse Meshes. Ii. Investigation of Effects of Temperature Gradients During Bubble Point Tests

Number of pages: 30 Posted: 19 Jul 2022
Chase Camarotti, Jason Hartwig and Jacob N. Chung
University of Florida, NASA Glenn Research Center and University of Florida
Downloads 38 (1,209,354)

Abstract:

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Liquid Acquisition Device (LAD), Liquid Nitrogen (LN2), Temperature Gradient, Evaporation, Condensation.

10.

Dear Editor I Have Uploaded a Manuscript Entitled “A Terrestrial Cryogenic Transfer Line Chilldown

Number of pages: 28 Posted: 18 Dec 2023
Hao Wang, Bo Han Huang, Jun Dong, Jacob N. Chung and Jason Hartwig
University of Florida, University of Florida, University of Florida, University of Florida and NASA Glenn Research Center
Downloads 34 (1,263,436)

Abstract:

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Cryogenics, Quenching heat transfer, Teflon coating layer, Two-phase flow, Liquid nitrogen

11.

Liquid Temperature Gradient Estimation for Screen Channel Liquid Acquisition Device Bubble Point Tests in Liquid Nitrogen

Number of pages: 30 Posted: 19 Feb 2023
Chase Camarotti, Jason Hartwig and Jacob N. Chung
University of Florida, NASA Glenn Research Center and University of Florida
Downloads 18 (1,470,786)

Abstract:

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Liquid Acquisition Device (LAD), Liquid Nitrogen (LN2), temperature gradient, BubblePoint (BP), Coarse Mesh.

12.

Warm Pressurant Gas Bubble Point Experiments for Coarse Mesh Screen Channel Liquid Acquisition Devices in Liquid Nitrogen

Number of pages: 21 Posted: 19 Jun 2023
Chase Camarotti, Jason Hartwig and Jacob N. Chung
University of Florida, NASA Glenn Research Center and University of Florida
Downloads 17 (1,491,251)
Citation 2

Abstract:

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Liquid Acquisition Device (LAD), Liquid Nitrogen (LN2), Warm pressurant, Bubble Point, Evaporation, Condensation.