METHOD OF DETERMINING CONVECTIVE HEAT TRANSFER IN LOCAL ZONES OF CANALS OF COMPLEX SHAPE

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 of u0442u0435u043fu043bu043eu0444u0438u0437u0438u043au0438 and improve the accuracy of the heat transfer coefficient u043fu043eu0437u0432u043eu043bu00a0u0435u0442 u043eu043fu0440u0435u0434u0435u043bu0435u043du0438u00a0 in localized areas of the complex form.u043fu0440u043eu0432u043eu0434u00a0u0442 identical u0438u0437u043cu0435u0440u0435u043du0438u00a0 parameters on thermal stabilization of primary sites in the zones of localized heating channel complex form and equivalent to the channel a simple form with a known coefficient of heat transfer area in the er in a stabilized u0442u0435u043fu043bu043eu0438u0437u043eu043bu0438u0440u043eu0432u0430u043du043du044bu0445 u043fu043eu0432u0435u0440u0445u043du043eu0441u0442u00a0u0445 u0442u0435u043fu043bu043eu0441u044au0435u043cu0430 and the tep u043bu043eu043eu0442u0434u0430u0447u0438 in local area network of complex forms u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 of u0441u043eu043eu0442u043du043eu0448u0435u043du0438u00a0 with = uh.c / a, where a is the ratio of the heat transfer coefficients with / in the local heating channel complex form and an equivalent channel at the initial station of thermal u0441u0442u0430u0431u0438u043bu0438u0437u0430u0446 ai.the simple form of the equivalent channel select u0443u0441u043bu043eu0432u0438u00a0 equality has u0442u0435u043fu043bu043eu0441u044au0435u043cu0430 surface curvature in the local areas, as well as u0440u0430u0441u0441u0442u043eu00a0u043d u0438u00a0 from that surface to the maximum flow velocity u0442u0435u043fu043bu043eu043du043eu0441u0438u0442u0435u043bu00a0, the geometric parameters of the channel complex form. 1 il.