Search Results - "Yuen, Walter W."

Development and Evaluation of a Positive Youth Development Course for University Students in Hong Kong by Sun, Rachel C. F., Lit, S. W., Shek, Daniel T. L., Ngai, S. W., Chung, Yida Y. H., Yuen, Walter W., Chui, Y. H.

“…With higher education, university graduates are important elements of the labor force in knowledge-based economies. With reference to the mental health and…”
Get full text

Point Mean Beam Length, a New Concept to Enhance the Computational Efficiency of Multi-Dimensional, Non-Gray Radiative Heat Transfer by Yuen, Walter W, Tam, Wai Cheong

“…A new concept of point mean beam length (PMBL) is introduced. For enclosures with simple geometry, this concept provides a fundamental self-consistent…”
Get full text

Point mean beam length, a new concept to enhance the computational efficiency of multidimensional, non-gray radiative heat transfer by Yuen, Walter W., Tam, Wai Cheong

“…A new concept of point mean beam length (PMBL) is introduced. For enclosures with simple geometry, this concept provides a fundamental self-consistent…”
Get full text

On the utilization of the mean beam length concept in the evaluation of radiative heat transfer in isothermal three-dimensional non-gray system by Yuen, Walter W.

“…The mean beam length concept, which is defined traditionally for the evaluation of emission of a gas volume to its surrounding boundary, is generalized to…”
Get full text

Heat transfer in a falling laminar liquid film with in-depth radiation absorption by Yang, Jiann C., Yuen, Walter W.

“…A heat transfer problem involving a steady-state falling liquid film along a vertical wall with an imposed constant heat flux on the liquid film surface and an…”
Get full text

RAD-NNET, a neural network based correlation developed for a realistic simulation of the non-gray radiative heat transfer effect in three-dimensional gas-particle mixtures by Yuen, Walter W.

“…A neural network correlation, RAD-NNET, is developed to simulate the realistic effect of non-gray radiative absorption by a homogeneous mixture of combustion…”
Get full text

Development of the concept of mean temperatures in the analysis of radiative heat transfer in an inhomogeneous non-isothermal non-gray medium by Yuen, Walter W.

“…Concepts of an emission mean temperature and a transmission mean temperature are introduced and shown to be effective and necessary in characterizing the…”
Get full text

Development and Testing of an Energy Storage Material/Phase Change Material Enhanced Heat Sink by Tu, Jianping, Shih, Wei, Mak, Henry, Yuen, Walter W.

“…A concept of using energy storage material (ESM) or phase change material (PCM) to enhance the heat transfer dissipation by a conventional compact fin-based…”
Get full text

A Monte Carlo approach for the layout design of thermal fire detection system by YUEN, Walter W, CHOW, W. K

“…A Monte Carlo approach is developed for the layout design of thermal fire detection system. In contrast to the traditional deterministic approach, the present…”
Get full text

An Assessment of Direct Chip Cooling Enhancement Using Pin Fins by Tu, Jianping, Yuen, Walter W., GONG, YISHU

“…The use of pin fins to provide direct cooling of computer chip mounted on a printed circuit board (PCB) is studied experimentally. This concept is targeted…”
Get full text

Design and Testing of a Graphite Foam-Based Supercooler for High-Heat-Flux Cooling in Optoelectronic Packages by Yuen, Walter W., Tu, Jianping, Tam, Wai-Cheong, Blumenthal, Daniel J.

“…The feasibility of using graphite foam as a heat sink and heat spreader in optoelectronic packages is assessed. A "supercooler" is designed, fabricated, and…”
Get full text

The Multiple Absorption Coefficient Zonal Method (MACZM), an Efficient Computational Approach for the Analysis of Radiative Heat Transfer in Multidimensional Inhomogeneous Nongray Media by Yuen, Walter W.

“…The formulation of a multiple absorption coefficient zonal method (MACZM) is presented. The concept of generic exchange factors (GEF) is introduced. Utilizing…”
Get full text

Analysis of radiative transfer in multi-dimensional anisotropic-scattering media with the GZM-MC method by Yuen, Walter W., Shepard, Steven P.

“…The zonal method is extend to become the generalized zonal method (GZM) and applied to the analysis of radiative transfer in anisotropic scattering media. The…”
Get full text

Heat Transfer in a Falling Laminar Liquid Film with In-Depth Radiation Absorption1 by Yang, Jiann C., Yuen, Walter W.

“…A heat transfer problem involving a steady-state falling liquid film along a vertical wall with an imposed constant heat flux on the liquid film surface and an…”
Get full text

Deposition of Fuel Droplets in Horizontal Intake Manifolds and the Behavior of Fuel Film Flow on Its Walls by Servati, Hamid B., Yuen, Walter W.

“…The behavior of liquid fuel droplets and the liquid fuel film within an intake manifold is studied. By considering the simultaneous processes of evaporation…”
Get full text