Digitale Medien
Springer
Tribology letters
3 (1997), S. 209-213
ISSN:
1573-2711
Quelle:
Springer Online Journal Archives 1860-2000
Thema:
Maschinenbau
Notizen:
Abstract This paper deals with studies of the temperature regulation insynovial joints. During articulation, a certain amount ofintra-articular heat is generated due to joint activity andfrictional resistance. The movement of the interstitial fluidwithin the intra-articular gap and the exchange of fluid to andfrom the cartilage plays an important role in joint functionsincluding the regulation of heat. Analytically, the problem isformulated as a two-region flow and diffusion model: flow andthermal diffusion within the intra-articular gap and within theporous matrices covering the approaching bones at the joint. Thecoupled governing equations are solved as a two-region mixedboundary value problem with suitable boundary and matchingconditions and using perturbation technique. It has been observedthat the rise in temperature is more in the osteo-arthriticsynovial fluid as compared to normal and young synovial fluids.In normal subjects, there is hardly any rise intemperature.
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1023/A:1019164601928
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