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355 results on '"Malin, Michael"'

17. Distribution of primary and secondary features in the Pahrump Hills outcrop (Gale crater, Mars) as seen in a Mars Descent Imager (MARDI) “sidewalk” mosaic

Author

Minitti, Michelle E., Malin, Michael C., Van Beek, Jason K., Caplinger, Michael, Maki, Justin N., Ravine, Michael, Calef, Fred J., III, Edgar, Lauren A., Harker, David, Herkenhoff, Kenneth E., Kah, Linda C., Kennedy, Megan R., Krezoski, Gillian M., Kronyak, Rachel E., Lipkaman, Leslie, Nixon, Brian, Rowland, Scott K., Schieber, Juergen, Schroeder, Jeffrey F., Stack, Kathryn M., Williams, Rebecca M.E., and Yingst, R. Aileen

Published
2019
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22. Morphology and Composition of the Surface of Mars: Mars Odyssey THEMIS Results

Author

Christensen, Philip R., Bandfield, Joshua L., Bell, James F., Gorelick, Noel, Hamilton, Victoria E., Ivanov, Anton, Jakosky, Bruce M., Kieffer, Hugh H., Lane, Melissa D., Malin, Michael C., McConnochie, Timothy, McEwen, Alfred S., McSween, Harry Y., Mehall, Greg L., Moersch, Jeffery E., Nealson, Kenneth H., Rice, James W., Richardson, Mark I., Ruff, Steven W., Smith, Michael D., Titus, Timothy N., and Wyatt, Michael B.

Published
2003

27. Performance of a Phase Change Material Battery in a Transparent Building

Author

van den Engel, P.J.W. (author), Malin, Michael (author), Venkatesh, Nikhilesh Kodur (author), de Araujo Passos, L.A. (author), van den Engel, P.J.W. (author), Malin, Michael (author), Venkatesh, Nikhilesh Kodur (author), and de Araujo Passos, L.A. (author)

Abstract

This research evaluates the performance of a Phase Change Material (PCM) battery integrated into the climate system of a new transparent meeting center. The main research questions are: a. “Can the performance of the battery be calculated?” and b. “Can the battery reduce the heating and cooling energy demand in a significant way?” The first question is answered in this document. In order to be able to answer the second question, especially the way the heat loading in winter should be improved, then more research is necessary. In addition to the thermal battery, which consists of Phase Change Material plates, the climate system has a cross-flow heat exchanger and a heat pump. The battery should play a central role in closing the thermal balance of the lightweight building, which can be loaded with hot return or cold outdoor air. The temperature of the battery plates is monitored by multi-sensors and simulated by the use of PHOENICS (Computational Fluid Dynamics) and MATLAB. This paper reports reasonable agreement between the numerical predictions and the measurements, with a maximum variance of 10%. The current coefficient of performance for heating and cooling is already high, more than 27. There is scope for increasing this much further by making use of the very low-pressure difference of the battery (below 25 Pascal), low pressure fans and the ventilation system as a whole., Building Services, Team Bart De Schutter

Published
2023
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33. The Comet Nucleus Tour (Contour) : A NASA Discovery Mission

Author

Cochran, Anita, Veverka, Joseph, Bell, James, Belton, Michael, Benkhoff, Johannes, Cheng, Andrew, Clark, Benton, Feldman, Paul, Kissel, Jochen, Mahaffy, Paul, Malin, Michael, Murchie, Scott, Neimann, Hasso, Owen, Tobias, Robinson, Mark, Schwehm, Gerhard, Squyres, Steve, Thomas, Peter, Whipple, Fred, Yeomans, Donald, Boehnhardt, H., editor, Combi, M., editor, Kidger, M. R., editor, and Schulz, R., editor

Published
2003
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34. Shaler: in situ analysis of a fluvial sedimentary deposit on Mars

Author

Edgar, Lauren A., Gupta, Sanjeev, Rubin, David M., Lewis, Kevin W., Kocurek, Gary A., Anderson, Ryan B., Bell, James F., III, Dromart, Gilles, Edgett, Kenneth S., Grotzinger, John P., Hardgrove, Craig, Kah, Linda C., Leveille, Richard, Malin, Michael C., Mangold, Nicolas, Milliken, Ralph E., Minitti, Michelle, Palucis, Marisa, Rice, Melissa, Rowland, Scott K., Schieber, Juergen, Stack, Kathryn M., Sumner, Dawn Y., Wiens, Roger C., Williams, Rebecca M. E., and Williams, Amy J.

Published
2018
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35. Desktop Exploration of Remote Terrain (DERT)

Author

Keely, Leslie, Edwards, Laurence, and Malin, Michael

Subjects
Lunar And Planetary Science And Exploration, Computer Programming And Software, Instrumentation And Photography
Abstract

Software tool that utilizes a virtual world to visualize and navigate NASA digital elevation models.

Published
2017

36. Active Ground Patterns Near Mars' Equator in the Glen Torridon Region of Gale Crater

Author

Agencia Estatal de Investigación (España), Ministerio de Ciencia e Innovación (España), European Commission, Hallet, Bernat, Sletten, Ronald S., Malin, Michael, Mangold, Nicolas, Sullivan, Robert J., Fairén, Alberto G., Martínez, Germán, Baker, Mariah, Schieber, J., Martín Torres, Javier, Zorzano, María Paz, Agencia Estatal de Investigación (España), Ministerio de Ciencia e Innovación (España), European Commission, Hallet, Bernat, Sletten, Ronald S., Malin, Michael, Mangold, Nicolas, Sullivan, Robert J., Fairén, Alberto G., Martínez, Germán, Baker, Mariah, Schieber, J., Martín Torres, Javier, and Zorzano, María Paz

Abstract

On Mars, near the equator, much of the terrain in Gale Crater consists of bedrock outcrops separated by relatively smooth, uniform regolith surfaces. In scattered sites, however, distinct patterns—in the form and texture of the ground surface—contrast sharply with the typical terrain and with eolian bedforms. This paper focuses on these diverse, intriguing ground patterns. They include ∼1 to >10 m-long linear disruptions of uniform regolith surfaces, alignments, and other arrangements of similar-sized rock fragments and shallow, ∼0.1 m-wide sandy troughs 1–10 m in length. Similar features were recognized early in the Mars Science Laboratory (MSL) mission, but they received only limited attention until Curiosity, the MSL rover, encountered striking examples in the Glen Torridon region. Herein, the ground patterns are illustrated with rover images. Potential mechanisms are briefly discussed in the context of the bedrock composition and atmospheric conditions documented by Curiosity. The evidence suggests that the patterns are active forms of spontaneous granular organization. It leads to the hypothesis that the patterns arise and develop from miniscule, inferred cyclic expansion and contraction of the bedrock and regolith, likely driven by oscillating transfers of energy and moisture between the atmosphere and the terrain. The hypothesis has significant implications for studies of contemporary processes on Mars on both sides of the atmosphere-lithosphere interface. The ground patterns, as well as ripples and dunes formed by the wind, constitute remarkable extra-terrestrial examples of granular self-organization, complex phenomena well known in diverse systems on Earth.

Published
2022

38. Performance of a Phase Change Material Battery in a Transparent Building.

Author

den Engel, Peter van, Malin, Michael, Venkatesh, Nikhilesh Kodur, and de Araujo Passos, Luigi Antonio

Subjects
PHASE change materials, HEAT exchangers, THERMAL conductivity, COMPUTATIONAL fluid dynamics, TEMPERATURE
Abstract

This research evaluates the performance of a Phase Change Material (PCM) battery integrated into the climate system of a new transparent meeting center. The main research questions are: a. "Can the performance of the battery be calculated?" and b. "Can the battery reduce the heating and cooling energy demand in a significant way?" The first question is answered in this document. In order to be able to answer the second question, especially the way the heat loading in winter should be improved, then more research is necessary. In addition to the thermal battery, which consists of Phase Change Material plates, the climate system has a cross-flow heat exchanger and a heat pump. The battery should play a central role in closing the thermal balance of the lightweight building, which can be loaded with hot return or cold outdoor air. The temperature of the battery plates is monitored by multi-sensors and simulated by the use of PHOENICS (Computational Fluid Dynamics) and MATLAB. This paper reports reasonable agreement between the numerical predictions and the measurements, with a maximum variance of 10%. The current coefficient of performance for heating and cooling is already high, more than 27. There is scope for increasing this much further by making use of the very low-pressure difference of the battery (below 25 Pascal), low pressure fans and the ventilation system as a whole. [ABSTRACT FROM AUTHOR]

Published
2023
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48. Mars Science Laboratory Mission and Science Investigation

Author

Grotzinger, John P., Crisp, Joy, Vasavada, Ashwin R., Anderson, Robert C., Baker, Charles J., Barry, Robert, Blake, David F., Conrad, Pamela, Edgett, Kenneth S., Ferdowski, Bobak, Gellert, Ralf, Gilbert, John B., Golombek, Matt, Gómez-Elvira, Javier, Hassler, Donald M., Jandura, Louise, Litvak, Maxim, Mahaffy, Paul, Maki, Justin, Meyer, Michael, Malin, Michael C., Mitrofanov, Igor, Simmonds, John J., Vaniman, David, Welch, Richard V., and Wiens, Roger C.

Published
2012
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