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1

Ion Collection in Hall Thruster Plumes

R. Walker, Mitchell L., Hofer, Richard R., Gallimore, Alec D.

Journal:

Journal of Propulsion and Power

Year:

2006

Language:

english

File:

PDF, 1.36 MB

english, 2006

2

[American Institute of Aeronautics and Astronautics 50th AIAA/ASME/SAE/ASEE Joint Propulsion Conference - Cleveland, OH ()] 50th AIAA/ASME/SAE/ASEE Joint Propulsion Conference - Implementation and Initial Validation of a 100-kW Class Nested-channel Hall Thruster

Hall, Scott J., Florenz, Roland E., Gallimore, Alec, Kamhawi, Hani, Brown, Daniel L., Polk, James E., Goebel, Dan M., Hofer, Richard R.

Year:

2014

Language:

english

File:

PDF, 3.95 MB

english, 2014

3

Platinum group placer minerals in ancient gold artifacts – Geochemistry and osmium isotopes of inclusions in Early Bronze Age gold from Ur/Mesopotamia

Jansen, Moritz, Aulbach, Sonja, Hauptmann, Andreas, Höfer, Heidi E., Klein, Sabine, Krüger, Michael, Zettler, Richard L.

Journal:

Journal of Archaeological Science

Year:

2016

Language:

english

File:

PDF, 2.47 MB

english, 2016

4

Mass and Cost Model for Selecting Thruster Size in Electric Propulsion Systems

Hofer, Richard R., Randolph, Thomas M.

Journal:

Journal of Propulsion and Power

Year:

2013

Language:

english

File:

PDF, 2.19 MB

english, 2013

5

[American Institute of Aeronautics and Astronautics 38th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit - Indianapolis, Indiana (07 July 2002 - 10 July 2002)] 38th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit - The Effects of Nude Faraday Probe Design and Vacuum Facility Backpressure on the Measured Ion Current Density Profile of Hall Thruster Plumes

Walker, Mitchell, Hofer, Richard, Gallimore, Alec

Year:

2002

Language:

english

File:

PDF, 8.31 MB

english, 2002

6

[American Institute of Aeronautics and Astronautics 46th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit - Nashville, TN ()] 46th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit - High-Specific Impulse Operation of the BPT-4000 Hall Thruster for NASA Science Missions

Year:

2010

Language:

english

File:

PDF, 7.53 MB

english, 2010

7

Experimental Investigation of a Direct-Drive Hall Thruster and Solar Array System

Snyder, John Steven, Brophy, John R., Hofer, Richard R., Goebel, Dan M., Katz, Ira

Journal:

Journal of Spacecraft and Rockets

Year:

2014

Language:

english

File:

PDF, 5.19 MB

english, 2014

8

Azimuthal Spoke Propagation in Hall Effect Thrusters

Sekerak, Michael J., Longmier, Benjamin W., Gallimore, Alec D., Brown, Daniel L., Hofer, Richard R., Polk, James E.

Journal:

IEEE Transactions on Plasma Science

Year:

2015

Language:

english

File:

PDF, 3.05 MB

english, 2015

9

Texture-engineered ceramics—Property enhancements through crystallographic tailoring

Messing, Gary L., Poterala, Stephen, Chang, Yunfei, Frueh, Tobias, Kupp, Elizabeth R., Watson, Beecher H., Walton, Rebecca L., Brova, Michael J., Hofer, Anna-Katharina, Bermejo, Raul, Meyer, Richard J

Journal:

Journal of Materials Research

Year:

2017

Language:

english

File:

PDF, 1.04 MB

english, 2017

10

On the 2-adic complexity of the two-prime generator

Hofer, Richard, Winterhof, Arne

Journal:

IEEE Transactions on Information Theory

Year:

2018

Language:

english

File:

PDF, 407 KB

english, 2018

11

[American Institute of Aeronautics and Astronautics AIAA Propulsion and Energy 2020 Forum - VIRTUAL EVENT ()] AIAA Propulsion and Energy 2020 Forum - Wear Test of the 12.5-kW Advanced Electric Propulsion System Engineering Test Unit Hall Thruster

Frieman, Jason D., Kamhawi, Hani, Huang, Wensheng, Mackey, Jon, Ahern, Drew M., Peterson, Peter Y., Gilland, James H., Hall, Scott J., Hofer, Richard R., Inaba, Derek, Dao, Hoang, Zubair, Jonathan, Ne

File:

PDF, 1.11 MB

12

[American Institute of Aeronautics and Astronautics AIAA Propulsion and Energy 2020 Forum - VIRTUAL EVENT ()] AIAA Propulsion and Energy 2020 Forum - Electric Propulsion for the Psyche Mission: Development Activities and Status

Snyder, John S., Chaplin, Vernon H., Goebel, Dan M., Hofer, Richard R., Lopez Ortega, Alejandro, Mikellides, Ioannis G., Kerl, Taylor, Lenguito, Giovanni, Aghazadeh, Faraz, Johnson, Ian

File:

PDF, 3.11 MB

13

Structural and Electronic Properties of Ultrathin Tin–Phthalocyanine Films on Ag(111) at the Single-Molecule Level

Yongfeng Wang, Jörg Kröger, Richard Berndt, Werner Hofer

Journal:

Angewandte Chemie International Edition

Year:

2009

Language:

english

File:

PDF, 1.13 MB

english, 2009

14

[American Institute of Aeronautics and Astronautics 42nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit - Sacramento, California ()] 42nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit - Effects of an Internally-Mounted Cathode on Hall Thruster Plume Properties

Hofer, Richard, Johnson, Lee, Goebel, Dan, Fitzgerald, Dennis

Year:

2006

Language:

english

File:

PDF, 1.67 MB

english, 2006

15

Neutral Flow Evolution in a Six-Kilowatt Hall Thruster

Huang, Wensheng, Gallimore, Alec D., Hofer, Richard R.

Journal:

Journal of Propulsion and Power

Year:

2011

Language:

english

File:

PDF, 698 KB

english, 2011

16

Hall Thruster Cathode Flow Impact on Coupling Voltage and Cathode Life

Goebel, Dan, Jameson, Kristina K., Hofer, Richard R.

Journal:

Journal of Propulsion and Power

Year:

2012

Language:

english

File:

PDF, 585 KB

english, 2012

17

[American Institute of Aeronautics and Astronautics 42nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit - Sacramento, California ()] 42nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit - Life and Operating Range Extension of the BPT-4000 Qualification Model Hall Thruster

Welander, Ben, Carpenter, Christian, de Grys, Kristi, Hofer, Richard, Randolph, Thomas, Manzella, David

Year:

2006

Language:

english

File:

PDF, 85 KB

english, 2006

18

[American Institute of Aeronautics and Astronautics 43rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit - Cincinnati, OH ()] 43rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit - Wall Sheath and Electron Mobility Modeling in Hybrid-PIC Hall Thruster Simulations

Hofer, Richard, Mikellides, Ioannis, Katz, Ira, Goebel, Dan

Year:

2007

Language:

english

File:

PDF, 482 KB

english, 2007

19

OBSERVATION OF BACTERIOPHAGE THROUGH A LIGHT MICROSCOPE

HOFER, A. W., RICHARDS, O. W.

Journal:

Year:

1945

Language:

english

File:

PDF, 192 KB

english, 1945

20

High-Specific Impulse Hall Thrusters, Part 1: Influence of Current Density and Magnetic Field

Hofer, Richard R., Jankovsky, Robert S., Gallimore, Alec D.

Journal:

Journal of Propulsion and Power

Year:

2006

Language:

english

File:

PDF, 798 KB

english, 2006

21

High-Specific Impulse Hall Thrusters, Part 2: Efficiency Analysis

Hofer, Richard R., Gallimore, Alec D.

Journal:

Journal of Propulsion and Power

Year:

2006

Language:

english

File:

PDF, 407 KB

english, 2006

22

Pushing and Pulling a Sn Ion through an Adsorbed Phthalocyanine Molecule

Wang, Yongfeng, Kröger, Jörg, Berndt, Richard, Hofer, Werner A.

Journal:

Journal of the American Chemical Society

Year:

2009

Language:

english

File:

PDF, 1.19 MB

english, 2009

23

Ion Current in Hall Thrusters

Katz, Ira, Hofer, Richard R., Goebel, Dan M.

Journal:

IEEE Transactions on Plasma Science

Year:

2008

Language:

english

File:

PDF, 1012 KB

english, 2008

24

[American Institute of Aeronautics and Astronautics 48th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit - Atlanta, Georgia ()] 48th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit - Experimental Investigation of a Direct-Drive Hall Thruster and Solar Array System at Power Levels up to 10 kW

Snyder, John, Brophy, John, Hofer, Richard, Goebel, Dan, Katz, Ira

Year:

2012

Language:

english

File:

PDF, 1.01 MB

english, 2012

25

Performance Evaluation of the T6 Ion Engine

Snyder, John, Goebel, Dan M., Hofer, Richard R., Polk, James E., Wallace, Neil C., Simpson, Huw

Journal:

Journal of Propulsion and Power

Year:

2012

Language:

english

File:

PDF, 4.71 MB

english, 2012

26

Development and Initial Testing of a Magnetically Shielded Miniature Hall Thruster

Conversano, Ryan W., Goebel, Dan M., Hofer, Richard R., Matlock, Taylor S., Wirz, Richard E.

Journal:

IEEE Transactions on Plasma Science

Year:

2015

Language:

english

File:

PDF, 2.20 MB

english, 2015

27

Hall Thruster Cathode Flow Impact on Coupling Voltage and Cathode Life

Goebel, Dan, Jameson, Kristina K., Hofer, Richard R.

Journal:

Journal of Propulsion and Power

Year:

2012

Language:

english

File:

PDF, 5.76 MB

english, 2012

28

Solar Electric Propulsion for Discovery-Class Missions

Oh, David Y., Snyder, John Steven, Goebel, Dan M., Hofer, Richard R., Randolph, Thomas M.

Journal:

Journal of Spacecraft and Rockets

Year:

2014

Language:

english

File:

PDF, 2.48 MB

english, 2014

29

Effect of Backpressure on Ion Current Density Measurements in Hall Thruster Plumes

R Walker, Mitchell L, Victor, Allen L., Hofer, Richard R., Gallimore, Alec D.

Journal:

Journal of Propulsion and Power

Year:

2005

Language:

english

File:

PDF, 3.43 MB

english, 2005

30

Neutral Flow Evolution in a Six-Kilowatt Hall Thruster

Huang, Wensheng, Gallimore, Alec D., Hofer, Richard R.

Journal:

Journal of Propulsion and Power

Year:

2011

Language:

english

File:

PDF, 4.79 MB

english, 2011

31

Differential 3ω method for measuring thermal conductivity of AlN and Si3N4 thin films

Bogner, Manuel, Hofer, Alexander, Benstetter, Günther, Gruber, Hermann, Fu, Richard Y.Q.

Journal:

Thin Solid Films

Year:

2015

Language:

english

File:

PDF, 600 KB

english, 2015

32

[American Institute of Aeronautics and Astronautics 50th AIAA/ASME/SAE/ASEE Joint Propulsion Conference - Cleveland, OH ()] 50th AIAA/ASME/SAE/ASEE Joint Propulsion Conference - Throttled Performance of the SPT-140 Hall Thruster

Snyder, John S., Hofer, Richard R.

Year:

2014

Language:

english

File:

PDF, 207 KB

english, 2014

33

SPIE Proceedings [SPIE Microlithography '99 - Santa Clara, CA (Sunday 14 March 1999)] Advances in Resist Technology and Processing XVI - Development of an incremental structural parameter model for predicting reactive ion etch rates of 193-nm photoresist polymer platforms

Wallow, Thomas I., Brock, Phillip J., Di Pietro, Richard A., Allen, Robert D., Opitz, Juliann, Sooriyakumaran, Ratnam, Hofer, Donald C., Mewherter, Ann M., Cui, Yuping, Yan, Wendy, Worth, G., Moreau,

Year:

1999

Language:

english

File:

PDF, 1.31 MB

english, 1999

34

[American Institute of Aeronautics and Astronautics 52nd AIAA/SAE/ASEE Joint Propulsion Conference - Salt Lake City, UT ()] 52nd AIAA/SAE/ASEE Joint Propulsion Conference - Performance, Facility Pressure Effects, and Stability Characterization Tests of NASA’s 12.5-kW Hall Effect Rocket with Magnetic Shielding Thruster

Kamhawi, Hani, Haag, Thomas, Huang, Wensheng, Yim, John, Herman, Daniel A., Peterson, Peter Y., Williams, George, Gilland, James, Hofer, Richard R., Mikellides, Ioannis G.

Language:

english

File:

PDF, 1.16 MB

english

35

[American Institute of Aeronautics and Astronautics 47th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit - San Diego, California ()] 47th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit - Channel Wall Plasma Thermal Loads in Hall Thrusters with Magnetic Shielding

Katz, Ira, Mikellides, Ioannis, Hofer, Richard

Year:

2011

Language:

english

File:

PDF, 497 KB

english, 2011

36

Creation and Validation of an Automated Algorithm to Determine Postoperative Ventilator Requirements After Cardiac Surgery

Gabel, Eilon, Hofer, Ira S., Satou, Nancy, Grogan, Tristan, Shemin, Richard, Mahajan, Aman, Cannesson, Maxime

Journal:

Anesthesia & Analgesia

Year:

2017

Language:

english

File:

PDF, 288 KB

english, 2017

37

[American Institute of Aeronautics and Astronautics 53rd AIAA/SAE/ASEE Joint Propulsion Conference - Atlanta, GA ()] 53rd AIAA/SAE/ASEE Joint Propulsion Conference - Expanded Thruster Mass Model Incorporating Nested Hall Thrusters

Hall, Scott J., Jorns, Benjamin, Gallimore, Alec, Hofer, Richard R.

Language:

english

File:

PDF, 4.43 MB

english

38

Sedimentation of Inertialess Particles in Stokes Flows

Höfer, Richard M.

Journal:

Communications in Mathematical Physics

Year:

2018

Language:

english

File:

PDF, 761 KB

english, 2018

39

Performance of Enhanced DuBois Type Water Reduction Catalysts (WRC) in Artificial Photosynthesis - Effects of Various Proton Relays during Catalysis

Viertl, Wolfgang, Pann, Johann, Pehn, Richard, Roithmeyer, Helena, Bendig, Marvin, Rodriguez-Villalon, Alba, Bereiter, Raphael, Heidescheid, Max, Müller, Thomas, Zhao, Xia, Hofer, Thomas, Thompson, Ma

Journal:

Faraday Discussions

Year:

2019

Language:

english

File:

PDF, 1.77 MB

english, 2019

40

Ranking Hospitals Based on Preventable Hospital Death Rates: A Systematic Review With Implications for Both Direct Measurement and Indirect Measurement Through Standardized Mortality Rates

MANASEKI‐HOLLAND, SEMIRA, LILFORD, RICHARD J., TE, AN P., CHEN, YEN‐FU, GUPTA, KESHAV K., CHILTON, PETER J., HOFER, TIMOTHY P.

Journal:

Milbank Quarterly

Year:

2019

Language:

english

File:

PDF, 384 KB

english, 2019

41

Because space matters: conceptual framework to help distinguish slum from non-slum urban areas

Lilford, Richard, Kyobutungi, Catherine, Ndugwa, Robert, Sartori, Jo, Watson, Samuel I, Sliuzas, Richard, Kuffer, Monika, Hofer, Timothy, Porto de Albuquerque, Joao, Ezeh, Alex

Journal:

BMJ Global Health

Year:

2019

Language:

english

File:

PDF, 260 KB

english, 2019

42

[American Institute of Aeronautics and Astronautics AIAA Propulsion and Energy 2020 Forum - VIRTUAL EVENT ()] AIAA Propulsion and Energy 2020 Forum - Characterization Test of the 12.5-kW Advanced Electric Propulsion System Engineering Test Unit Hall Thruster

Frieman, Jason D., Kamhawi, Hani, Huang, Wensheng, Mackey, Jon, Ahern, Drew M., Peterson, Peter Y., Gilland, James H., Hall, Scott J., Hofer, Richard R., Inaba, Derek, Dao, Hoang, Zubair, Jonathan, Ne

File:

PDF, 1.19 MB

43

Structural and Electronic Properties of Ultrathin Tin–Phthalocyanine Films on Ag(111) at the Single-Molecule Level

Yongfeng Wang, Jörg Kröger, Richard Berndt, Werner Hofer

Journal:

Angewandte Chemie

Year:

2009

Language:

english

File:

PDF, 1.13 MB

english, 2009

44

Development of maternal behaviors in prepubertal rats at three ages: Age-characteristic patterns of responses

Susan A. Brunelli, Richard D. Shindledecker, Myron A. Hofer

Journal:

Developmental Psychobiology

Year:

1985

Language:

english

File:

PDF, 1.19 MB

english, 1985

45

Maternal behavior of SHR rats and its relationship to offspring blood pressures

Dr. Michael M. Myers, Susan A. Brunelli, Jonathan M. Squire, Richard D. Shindeldecker, Myron A. Hofer

Journal:

Developmental Psychobiology

Year:

1989

Language:

english

File:

PDF, 1.63 MB

english, 1989

46

Early experience and maternal behavior in rats

Susan A. Brunelli, Richard D. Shindledecker, Myron A. Hofer

Journal:

Developmental Psychobiology

Year:

1989

Language:

english

File:

PDF, 1.14 MB

english, 1989

47

2D linear space-variant processing by coherent optics: A sequence convolution approach

Richard Bamler, Josef Hofer-Alfeis

Journal:

Optics Communications

Year:

1982

File:

PDF, 340 KB

1982

48

Prevalence of monogenic autoinflammatory diseases among Pediatric Rheumatology centers: the Eurofever PReS/PRINTO survey

M Gattorno, J Frenkel, S Ozen, F De Benedetti, I Konè-Paut, N Neven, H Girschick, H Özdogan, C Wouters, P Woo, M Hofer, P Dolezalova, N Toplak, V Richard, A Martini, N Ruperto

Journal:

Pediatric Rheumatology

Year:

2008

Language:

english

File:

PDF, 67 KB

english, 2008

49

Stereochemie von Metallocenen, 43. Mitt.: Torsionsisomere Biphenyl-tricarbonylchrom-Komplexe: Darstellung, Konformationsanalyse und Kinetik der Interkonversion

Otmar Hofer, Karl Schlögl, Richard Schölm

Journal:

Monatshefte für Chemie - Chemical Monthly

Year:

1979

File:

PDF, 784 KB

1979

50

Animal testing and alternative approaches for the human health risk assessment under the proposed new European chemicals regulation

Thomas Höfer, Ingrid Gerner, Ursula Gundert-Remy, Manfred Liebsch, Agnes Schulte, Horst Spielmann, Richard Vogel, Klaus Wettig

Journal:

Archives of Toxicology

Year:

2004

Language:

english

File:

PDF, 270 KB

english, 2004