Heat (mass) transfer between an impinging jet and a rotating disk

Abstract

The aim of this experimental study is to investigate the heat (mass) transfer of a rotating disk with an impinging circular jet. To facilitate the experiments, the naphthalene sublimation technique was employed. In order to analyze the results, measurements of the heat (mass) transfer of a stationary disk with an impinging jet and a rotating disk without jet impingement were also made. From the experimental results, it is found that the heat (mass) transfer are precisely divided into three regimes, namely the impingement dominated regime; the mixed regime and the rotation dominated regime. Correlation of Sherwood number of a rotating disk with jet impingement is also proposed in the present work.

Heat transfer study in a rotor–stator system air-gap with an axial inflow

“…on rotational velocity, which confirms the observations of both Chen and Popiel [10,20]. The size of this area depends on the dimensionless spacing interval G, because it increases when G increases.…”

“…Other authors have studied mass and heat transfer changes in a single rotating disk configuration. Chen et al [10], Owen and Rogers [11] and Astarita [12] have examined the sensitivity of Nusselt numbers to jet diameter D, to the jet's Reynolds number Re j , and to the distance between the jet outlet and the disk e/D. In the case of a discoidal rotor-stator system without a jet impingement, the flow structure was also studied by few authors as Soong [13] or Poncet [14].…”

Electrochemical incineration of oxalic acid: Reactivity and engineering parameters

“…The impinging jet electrode configuration produces high local mass transfer rates [37]. The fluid dynamics and mass transfer characteristics of the impinging jet arrangement have been extensively studied [38][39][40].…”

A novel method for computation of temperature profile of turbine disk

“…The technique of TLC was also used by Luo et al (2014) to explore the flow structure and heat transfer characteristics in a rotor-stator cavity with inlet at low radius. Chen et al (1998) experimentally investigated the heat transfer characteristics of a rotor disk with an impinging circular jet by the means of naphthalene sublimation, and found that the heat transfer can be divided into three regimes, namely the impingement dominated regime; the mixed regime and the rotation dominated regime.…”