Search results for: Zhao, T.

Items from 1 to 8 out of 8 results

article

EFFECT OF CONE SIZE ON THE BONDING STRENGTH OF BIMETALLIC COMPOSITE PIPES PRODUCED BY DRAWING APPROACH

Gao, H., Zheng, M., Teng, H., Zhao, T., more

Archives of Metallurgy and Materials > 2018 > 63 > 1

article

Simple CAD model for a dielectric leaky-wave antenna

Zhao, T., Jackson, D.R., Williams, J.T., Oliner, A.A.

IEEE Antennas and Wireless Propagation Letters > 2004 > 3 > 1 > 243 - 245

A simple model for a dielectric layer leaky-wave antenna is proposed; it represents the antenna as a leaky parallel-plate waveguide that consists of a grounded substrate layer with a shunt admittance screen on top. This simple model is then analyzed using a transverse equivalent network model in which the shunt admittance screen is modeled as a shunt load admittance in an equivalent circuit description...

article

Copper (gold) and non-metal deposits hosted in Mesozoic shoshonite and K-rich calc-alkaline series from Lishui in the Lower Yangtze region, China

C. Zhou J., P. Zhou J., Liu J., P. Zhao T., more

Journal of Geochemical Exploration > 1996 > 57 > 1-3 > 273-283

The early Cretaceous volcanic sequences from the Lishui Basin in the Lower Yangtze region may be subdivided into K-rich calc-alkaline and shoshonite series. Geochemically, typical features of the shoshonite series are high total alkali,K ₂ ONa ₂ O ratio. Al ₂ O ₃ ,Fe ₂ O ₃ FeO ratio, large ion lithophile elements (Rb, Ba, Th, U, LREE) and low TiO ...

article

Experimental studies on the onset of turbulence and frictional losses in an oscillatory turbulent pipe flow

S. Zhao T., Cheng P.

International Journal of Heat and Fluid Flow > 1996 > 17 > 4 > 356-362

Transition to turbulence and frictional losses in an oscillatory and reversing flow of air in a pipe have been studied experimentally. A hot-wire anemometer was employed to observe temporal axial velocity variations, while a differential pressure transducer was used to measure temporal variations of pressure drops across the pipe. In contrast to previous work, the similarity parameters chosen for...

article

Oscillatory pressure drops through a woven-screen packed column subjected to a cyclic flow

S. Zhao T., Cheng P.

Cryogenics > 1996 > 36 > 5 > 333-341

An experiment has been performed to investigate oscillatory pressure drop characteristics in packed columns (composed of three different sizes of woven screen) subjected to a periodically reversing flow of air. It was found that the oscillatory pressure drop factor increases with the kinetic Reynolds number (Re _ω ) _D _h and with the dimensionless fluid displacement ( _A ...

article

The friction coefficient of a fully developed laminar reciprocating flow in a circular pipe

Zhao T. S., Cheng P.

International Journal of Heat and Fluid Flow > 1996 > 17 > 2 > 167-172

Pressure drops in a fully developed laminar incompressible reciprocating pipe flow have been investigated analytically and experimentally. An exact analytical solution for the instantaneous and cycle-averaged friction coefficients of a fully developed laminar reciprocating flow has been obtained. It was found that, although the dimensionless axial velocity profiles of a fully developed flow depend...

article

A numerical solution of laminar forced convection in a heated pipe subjected to a reciprocating flow

Zhao T., Cheng P.

Previews of Heat and Mass Transfer > 1995 > 21 > 6 > 512

A numerical solution is presented for laminar forced convection of an incompressible periodically reversing flow in a pipe of finite length at constant wall temperature. It is found that the four parameters that govern the heat transfer characteristics for the problem under consideration are the kinetic Reynolds numberRe _w , the dimensionless oscillation amplitude A _o , the length...

article

A numerical solution of laminar forced convection in a heated pipe subjected to a reciprocating flow

Zhao T., Cheng P.

International Journal of Heat and Mass Transfer > 1995 > 38 > 16 > 3011-3022

A numerical solution is presented for laminar forced convection of an incompressible periodically reversing flow in a pipe of finite length at constant wall temperature. It is found that the four parameters that govern the heat transfer characteristics for the problem under consideration are the kinetic Reynolds number Re _ω , the dimensionless oscillation amplitude A _o , the length...

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