Rikard Hjelm

Sökresultat

• 2024

  Ultrafine particle emissions from dry clutches: number concentration, size distribution and chemical composition

  Hjelm, R., Lyu, Y., Mancini, A., Tsyupa, B., Tu, M., Olofsson, U. & Wahlström, J., 2024, I: Environmental Science: Atmospheres. 4, 1, s. 35-42 8 s.

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  Öppen tillgång

  • Particle Emission 100%
  • Size Distribution 100%
  • Tire 100%
  • Road 66%
  • Iron 50%
• 2023

  A multi-perspective method for gear efficiency and contact analysis

  Hjelm, R., Everlid, L., Bergseth, E., Reinle, F., Brodmann, B., Tu, M., Bard, L. & Wahlström, J., 2023 dec., I: Results in Engineering. 20, 101582.

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  Öppen tillgång

  • Gears 100%
  • Research 20%
  • Performance 20%
  • Testing 20%
  • Characteristics 20%
• 2022

  Influence of Manufacturing Error Tolerances on Thermal EHL Behavior of Gears

  Hjelm, R. & Wahlström, J., 2022 nov., I: Lubricants. 10, 11, 323.

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  Öppen tillgång

  • Error 100%
  • Gears 100%
  • Hydrodynamic Lubrication 50%
  • Load Distribution 50%
  • Temperature 33%

• Airborne Wear Particles from Dry Clutches

  Hjelm, R., Wahlström, J., Yenibayrak, I., Sabani, D., Runsten, P. & Lyu, Y., 2022 okt., I: Atmosphere. 13, 10, 1700.

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  Öppen tillgång

  • Particle Emission 100%
  • Disk Brake 100%
  • Environment 50%
  • Size Distribution 50%
  • Nanoparticle 50%

• An Experimental Study of Forced Vibration Influence on Disc Brake Drag Torque in Heavy Commercial Road Vehicles

  Fyhr, P., Hjelm, R. & Wahlström, J., 2022, I: Tribology in Industry. 44, 1, s. 123-131 9 s.

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  Öppen tillgång

  • Disk Brake 100%
  • Road Vehicle 100%
  • Forced Vibration 100%
  • Energy Engineering 50%
  • Dynamometer 50%

• Reducing scrapping of gears by assessment of tip contact threshold torque

  Hjelm, R., Ahadi, A. & Wahlström, J., 2022, I: Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology. 236, 8, s. 1613-1622

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  • Gears 100%
  • Energy Engineering 33%
  • Sustainable Development 33%
  • Product 33%
  • Automotives 33%
• 2021

  Gear tolerancing for simultaneous optimization of transmission error and contact pressure

  Hjelm, R., Ahadi, A. & Wahlström, J., 2021, I: Results in Engineering. 9, 100195.

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  Öppen tillgång

  • Optimization 100%
  • Gears 100%
  • Contact Pressure 100%
  • Gear 100%
  • Error 60%

• Influence of manufacturing error tolerances on contact pressure in gears

  Hjelm, R., Hansson, H., Ahadi, A., Andersson, C. & Wahlström, J., 2021, I: Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science. 235, 20, s. 5173-5185

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  • Error 100%
  • Gears 100%
  • Contact Pressure 100%
  • Fits and Tolerances 33%
  • Gear Manufacturing 20%