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Researcher · Optica · United States

Daniel Lehrfeld

Daniel Lehrfeld publishes mostly in Mechanical Engineering, Aerospace Engineering and Electrical and Electronic Engineering, on topics such as Advanced Thermodynamic Systems and Engines, Refrigeration and Air Conditioning Technologies and Thermodynamic and Exergetic Analyses of Power and Cooling Systems.

OpenAlex
World rank
#4,514,794
of 7,710,434 ranked researchers
Rank in United States
#1,200,330
of 1,627,098
Works
15
Citations
9
Citations per work
0.6
h-index
2
i10-index 0Top 98% in Mechanical Engineering
Daniel Lehrfeld

What does Daniel Lehrfeld research?

Daniel Lehrfeld's work is mostly in Engineering (73%), Physics and Astronomy (7%), Energy (5%).

Physical Sciences: 13 works · 85.3% of their workEngineering: 11 works · 73.1% of their workMechanical Engineering: 7 works · 48.8% of their workAerospace Engineering: 2 works · 14.6% of their workElectrical and Electronic Engineering: 1 works · 7.3% of their workAutomotive Engineering: 0 works · 2.4% of their workPhysics and Astronomy: 1 works · 7.3% of their workStatistical and Nonlinear Physics: 1 works · 7.3% of their workEnergy: 1 works · 4.9% of their workEnergy Engineering and Power Technology: 1 works · 4.9% of their workEverything else: 2 works · 14.7% of their workTHEIR WORKDaniel Lehrfeld15works
Physical Sciences85%

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. Engineering1173.1%
    2. Physics and Astronomy17.3%
    3. Energy14.9%
  2. Everything else214.7%
  1. 1Mechanical Engineering49% of their works
  2. 2Aerospace Engineering15% of their works
  3. 3Electrical and Electronic Engineering7% of their works
  4. 4Statistical and Nonlinear Physics7% of their works
  5. 5Energy Engineering and Power Technology5% of their works
  6. 6Automotive Engineering2% of their works

Research topics

Which keywords describe Daniel Lehrfeld's research?

The keywords of their largest research topics: Thermodynamic Analysis, Stirling Engines, Thermoacoustic, Energy Storage, Environmental Impact, Ejectors, Organic Rankine Cycle and Refrigerants.

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 20 words, with their numbers
  1. Thermodynamic Analysis193 topics
  2. Stirling Engines91 topic
  3. Thermoacoustic91 topic
  4. Energy Storage72 topics
  5. Environmental Impact72 topics
  6. Ejectors51 topic
  7. Organic Rankine Cycle51 topic
  8. Refrigerants51 topic
  9. Renewable Energy52 topics
  10. Waste Heat Recovery51 topic
  11. Cryogenic Storage41 topic
  12. Liquefied Natural Gas (LNG)41 topic
  13. District Heating31 topic
  14. Energy Systems31 topic
  15. Fluctuation Theorems31 topic
  16. Stochastic Thermodynamics31 topic
  17. Electrolysis21 topic
  18. Hydrogen21 topic
  19. Neutron Emissions11 topic
  20. Piezonuclear Reactions11 topic

Where does Daniel Lehrfeld work?

Daniel Lehrfeld's main affiliation in the publication record is Optica, United States.

How many publications and citations does Daniel Lehrfeld have?

OpenAlex counts 15 works and 9 citations for Daniel Lehrfeld, an h-index of 2, ranking #4,514,794 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.

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