图书馆订阅: Guest
Begell Digital Portal Begell 数字图书馆 电子图书 期刊 参考文献及会议录 研究收集
强化传热期刊
影响因子: 1.406 5年影响因子: 1.075 SJR: 0.287 SNIP: 0.653 CiteScore™: 1.2

ISSN 打印: 1065-5131
ISSN 在线: 1563-5074

强化传热期刊

DOI: 10.1615/JEnhHeatTransf.2012004966
pages 409-421

HEAT TRANSFER CHARACTERISTICS OF RP-3 KEROSENE AT SUPERCRITICAL PRESSURE IN A VERTICAL CIRCULAR TUBE

Hongwu Deng
National Key Laboratory of Science and Technology on Aero-Engines, School of Jet Propulsion, Beihang University, Beijing, 100191, China
Kun Zhu
National Key Laboratory of Science and Technology on Aero-Engine Aero-Thermodynamics, School of Jet Propulsion, Beihang University, Beijing, 100191, People's Republic of China
Guoqiang Xu
National Key Laboratory of Science and Technology on Aero-Engines, School of Jet Propulsion, Beihang University, Beijing, 100191, China; School of Energy Science and Engineering, Harbin institute of Technology, Harbin, 150001, China
Zhi Tao
National Key Laboratory of Science and Technology on Aero-Engine Aero-thermodynamics The Collaborative Innovation Center for Advanced Aero-Engine of China Beihang University Beijing 100191, China
Jining Sun
National Key Laboratory of Science and Technology on Aero-Engines, School of Jet Propulsion, Beihang University, Beijing, 100191, China

ABSTRACT

This paper experimentally investigates the heat transfer characteristics of Chinese RP-3 kerosene in the critical condition in a vertical tube. During the experiment, the inlet Reynolds number of the fuel changes from 3 × 103 to 4 × 104, and the Prandtl number changes from 2.8 to 9. Under constant pressure (5 MPa), the heat transfer characteristics of Chinese RP-3 kerosene in the critical condition were measured. The results showed that under constant heat flux (100 to 500 kW/m2), a fixed mass flow rate (7.2 kg/h), and a fixed inlet temperature (400 ± 3 K), the heat transfer characteristics of RP-3 kerosene are different for the upward flow and the downward flow; the heat flux and flow direction both influence the heat transfer characteristics. The pseudocritical temperature is a critical parameter to determine heat transfer enhancement under corresponding conditions. The results also show that the buoyancy effect still influences the heat transfer characteristics when the values of Gr/Re2.7 and Bo* are lower than 10−5 and 6 × 10−6 for the latter part of the test section, respectively, and the effect of flow acceleration can be ignored under the experimental conditions. Based on the experimental data, a reliable heat transfer correlation has been proposed to calculate the Nu number for the normal and enhanced heat transfer process of supercritical fuel in a vertical tube.


Articles with similar content:

Experimental investigation of flow and convection heat transfer of CO2 at super-critical pressures in small vertical tube with helical wire insert
Second Thermal and Fluids Engineering Conference, Vol.33, 2017, issue
Yan Zheng, Pei-Xue Jiang, Xiong Chao, Xu Ruina
EXPERIMENTAL INVESTIGATION OF CONDENSATION HEAT TRANSFER COEFFICIENTS IN AN INCLINED SMOOTH TUBE AT LOW MASS FLUXES
International Heat Transfer Conference 16, Vol.18, 2018, issue
Josua Petrus Meyer, Daniel R. E. Ewim
HEAT TRANSFER IN MIXED CONVECTION OF SUPERHEATED STEAM FLOWING UPWARD IN TUBES
International Heat Transfer Conference 13, Vol.0, 2006, issue
Yu-Zhou Chen, Yulong Mao, Chubsheng Yang
INVESTIGATION OF HELIUM FLOW LAMINARIZATION AT HIGH TEMPERATURES AND HIGH PRESSURES IN A GRAPHITE FLOW CHANNEL
First Thermal and Fluids Engineering Summer Conference, Vol.7, 2015, issue
Donald M. McEligot, Narbeh Artoun, Francisco I. Valentin, Masahiro Kawaji
TURBULENT OPPOSING MIXED CONVECTION HEAT TRANSFER IN VERTICAL FLAT CHANNEL WITH SYMMETRICAL HEATING
Advances in Heat Transfer Engineering, Vol.1, 2003, issue
Povilas Poskas, Donatas Sabanskis, Robertas Poskas