EXPERIMENTAL MEASUREMENT OF TEMPERATURE PROFILES OF MOLTEN FLOWING POLYMERS IN A HEAT EXCHANGER

被引：7

作者：

FORSYTH, TH

MURPHY, NF

机构：

[1] Virginia Polytechnic Institute, Blacksburg, Virginia

[2] The Dow Chemical Company, Midland, Michigan

来源：

POLYMER ENGINEERING AND SCIENCE | 1969年 / 9卷 / 01期

关键词：

D O I：

10.1002/pen.760090104

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Molten polymer was pumped through an isothermal‐wall heat exchanger and the temperature at four radial positions was measured with a hypodermic thermocouple. Temperature profiles were obtained for heating, cooling, and isothermal flow of polyethylene, polystyrene and polypropylene at Graetz numbers from 1.7 to 9.2. The results show large viscous heating effects, particularly for cooling. Copyright © 1969 Society of Plastics Engineers, Inc.

引用

页码：22 / &

共 14 条

[1]

BEYER CE, 1952, MOD PLASTICS, V30, P124

[2]

Bird R.B., 1955, SPE J, V11, P35

[3]

BONILLA CF, 1953, CHEM ENG PROG S SER, V49, P127

[4] LAMINAR FLOW HEAT TRANSFER [J].

CHRISTIA.EB ;

JENSEN, GE ;

TAO, FS .

AICHE JOURNAL, 1966, 12 (06) :1196-&

[5]

CHU JC, 1954, IND ENG CHEM, V46, P1016

[6]

FORSYTH TH, 1967, THESIS VIRGINIA POLY

[7] NONISOTHERMAL FLOW OF VISCOUS NON-NEWTONIAN FLUIDS [J].

GEE, RE ;

LYON, JB .

INDUSTRIAL AND ENGINEERING CHEMISTRY, 1957, 49 (06) :956-960

[8] HEAT TRANSFER TO MOLTEN FLOWING POLYMERS [J].

GRISKEY, RG ;

WIEHE, IA .

AICHE JOURNAL, 1966, 12 (02) :308-&

[9] THE GRAETZ-NUSSELT PROBLEM FOR A POWER-LAW NON-NEWTONIAN FLUID [J].

LYCHE, BC ;

BIRD, RB .

CHEMICAL ENGINEERING SCIENCE, 1956, 6 (01) :35-41

[10]

SCHOTT H, 1964, SPE J, V20, P139

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