Science Explorer Back to mapMap
Discussion
Researcher · Mahle (Germany) · Germany

Holger Ehnis

Holger Ehnis publishes mostly in Mechanical Engineering, Fluid Flow and Transfer Processes and Automotive Engineering, on topics such as Tribology and Lubrication Engineering, Advanced Combustion Engine Technologies and Lubricants and Their Additives.

OpenAlex
World rank
#7,295,458
of 7,710,434 ranked researchers
Rank in Germany
#352,047
of 364,343
Works
40
Citations
164
Citations per work
4.1
h-index
7
i10-index 6Top 66% in Mechanical Engineering
Holger Ehnis

What does Holger Ehnis research?

Holger Ehnis's work is mostly in Engineering (78%), Chemical Engineering (20%).

Physical Sciences: 39 works · 98.3% of their workEngineering: 31 works · 78.3% of their workMechanical Engineering: 20 works · 49.2% of their workAutomotive Engineering: 6 works · 15.8% of their workBiomedical Engineering: 2 works · 5.8% of their workMechanics of Materials: 2 works · 4.2% of their workAerospace Engineering: 1 works · 3.3% of their workChemical Engineering: 8 works · 20.0% of their workFluid Flow and Transfer Processes: 8 works · 20.0% of their workEverything else: 1 works · 1.7% of their workTHEIR WORKHolger Ehnis40works
Physical Sciences98%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Engineering3178.3%
    2. Chemical Engineering820.0%
  2. Everything else11.7%
  1. 1Mechanical Engineering49% of their works
  2. 2Fluid Flow and Transfer Processes20% of their works
  3. 3Automotive Engineering16% of their works
  4. 4Biomedical Engineering6% of their works
  5. 5Mechanics of Materials4% of their works
  6. 6Aerospace Engineering3% of their works

Research topics

Which keywords describe Holger Ehnis's research?

The keywords of their largest research topics: Tribological Performance, Emissions, Friction Reduction, Laser Surface Texturing, Chemical Kinetics, Combustion, Lubricants and Tribology.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most. The words come from the keyword list OpenAlex gives each topic, not from the text of the papers, so a word can appear that none of the papers uses.

All 18 words, with their numbers
  1. Tribological Performance342 topics
  2. Emissions312 topics
  3. Friction Reduction291 topic
  4. Laser Surface Texturing291 topic
  5. Chemical Kinetics241 topic
  6. Combustion241 topic
  7. Lubricants91 topic
  8. Tribology91 topic
  9. Condition Based Maintenance81 topic
  10. Vehicle Technical Condition81 topic
  11. Biodiesel71 topic
  12. Control71 topic
  13. Hydraulic Systems71 topic
  14. Transesterification71 topic
  15. Eco-Driving51 topic
  16. Fuel Consumption51 topic
  17. Polymer Tribology51 topic
  18. Wear Behavior51 topic

Where does Holger Ehnis work?

Holger Ehnis's main affiliation in the publication record is Mahle (Germany), Germany.

How many publications and citations does Holger Ehnis have?

OpenAlex counts 40 works and 164 citations for Holger Ehnis, an h-index of 7, ranking #7,295,458 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised citation excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

Discussion

Ask a question or share a note about Holger Ehnis. Keep it to the research: no personal attacks, advertising or links. Any reader can report a post, which collapses it for everyone until it is opened.