Kako razdalja med ogrevanim predmetom in silikonskim grelnikom vpliva na učinkovitost ogrevanja?

Razdalja med ogrevanim predmetom in silikonskim grelnikom pomembno vpliva na učinkovitost ogrevanja, kot sledi:
Ko je razdalja premajhna
The heat transfer is more efficient: the heat conduction path between the silicone heater and the heated object is short, and the heat can be transferred to the heated object more quickly and directly, reducing the heat loss in the air, thereby improving the heating efficiency. For example, when the silicone heater is tightly attached to the surface of the heated object, the contact thermal resistance between the two is minimal, and the heat can be transferred od grelnika do objekta do največjega obsega, kar lahko ogrevani objekt omogoči, da doseže potrebno temperaturo v krajšem času .
Possible local overheating: If the temperature distribution of the heater is not uniform enough, the surface of the heated object may be locally overheated due to being too close to the heater if the distance is too small. This may have an adverse effect on the performance or quality of the heated object. For example, for some temperature-sensitive materials, local overheating may cause material deformation, accelerated aging or performance Degradacija .
Ko je razdalja prevelika
Increased heat loss: Heat needs to be transferred to the heated object through a longer air path. The thermal conductivity of air is low, which will cause a large amount of heat to be lost to the surrounding environment during the transfer process, reducing the heat absorbed by the heated object and reducing the heating efficiency. For example, if there is a few centimeters of air between the silicone heater and the heated Predmet, večina toplote se bo postopoma ohladila v zraku in le majhen del lahko doseže ogrevani predmet, kar ima za posledico daljši čas ogrevanja in povečano porabo energije .
Temperature uniformity may be improved: In some cases, appropriately increasing the distance can allow the heat to diffuse and buffer in the air to a certain extent, thereby improving the temperature uniformity of the surface of the heated object to a certain extent. However, this improvement in uniformity comes at the expense of heating efficiency, and if the distance is too large, the temperature uniformity will also be affected, because too much heat is lost in the Zrak, ki lahko povzroči, da se temperaturna razlika med različnimi deli ogrevanega predmeta poveča .
Na splošno je treba za dosego večje učinkovitosti ogrevanja zmanjšati razdaljo med ogrevanim objektom in silikonskim grelnikom, vendar je treba zagotoviti dober toplotni stik med obema, hkrati pa se izogniti težavam, kot je lokalno pregrevanje zaradi premajhne razdalje {{0 { Izboljšanje postavitve ogrevalne žice ali z uporabo toplotnega medija .