tailieunhanh - Engineering Analysis with Ansys Software Episode 2 Part 5

Tham khảo tài liệu 'engineering analysis with ansys software episode 2 part 5', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 264 Chapter 6 Application ofANSYS to thermo mechanics the is notdirectly proportional to internal energy since temperature measures only the kinetic energy part of the internal energy so two objects with the same temperature do not in general have the same internal energy mt e c . . Internaienergyesdefined ae the energy aseociated with the motion ofmoeecules. It as sepaaatad he acale from the macroscopic ordered seergy associated aHt moving objects. It also refers to the invisible microscopic energy on the atomic ahdmhtreulrrsfalethfranldeálmonoetomlf gas thie Cstuseahe translationalkinatic ei ecuoatc e hneaametioa ofthe yardepyere tyhe atome and the behaeroe ef tie system tr weUdeacrihed hy Hee tór etídtìi orn. owivee for polyatomiegaees ahere is ratationdanC ararational tanftic m liquids and atliardierc IrpiVcntiel rnergdassaeietaywita hlemtesmfleaulhe attractive forers a - e . c. t d Heat te -er Wy means de mnleeularaaitetfon wCahina material ttútom any motion of ehamaeetfal es .whole ieceUe trniduteM-. eaovernd ofa msul tael saat a higher temperUm-v. then energy will be transferred down the rod toward the colder end because thehigCet eeeed partidas niyeoliidewithaherlowes tnes wUh enal transfer oa 0 she aloweeonee. Foe healarímsferdatweea Co . ecrfaces such as heetiotstiCrocgt chrweai set 1 1 foe sate oftcnd .I aouldbe ft ec d from at _ em -op . eeeaa where the left-hand side concerns rate of condurtionheat transfer K is the thermal conductivity of the barrier A is the area th rough which heat transfer takes place T is the temperature and d is the thickness of barrier. Another mechenihmfor healthansárr ansfer bcmaehmu tion of a fluid sucttasair or si whenCh r heaiedfluia ie causea So move awayCromfoe sourae of heet canyingenergd withil iscaCládconvectìon. Conveation above a hot surfaae occurs breadhe Col eiaeXyandS can also lead to .