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Filtering by: Decade 1980-1989 Remove constraint Decade: 1980-1989 Resource Type Dissertation Remove constraint Resource Type: Dissertation Subject Fluidized-bed combustion Remove constraint Subject: Fluidized-bed combustion

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Heat transfer studies in fine particle fluidized beds

Creator:

Turton, Richard

Abstract:

Two new experimental techniques are presented which enable the direct measurement of heat transfer coefficients in fine particle gas fluidized beds. The first technique uses fine electrically heated Alumel wires to probe fluidized beds of fine particles. The wires varied in diameter from 50.8 to 813μm while the bed material...

Resource Type:

Dissertation
Experimental studies of heat transfer with an array of horizontal tubes immersed in a high-temerature fluidized bed

Creator:

Goshayeshi, Ali

Abstract:

An experimental study is described in which time-average local heat transfer coefficients were obtained for arrays of horizontal tubes immersed in a hot fluidized bed. Spatial-averaged heat transfer coefficients, computed from local values, are also reported. Refractory particles with surface mean diameters of 2.14 mm and 3.23 mm were fluidized...

Resource Type:

Dissertation
An experimental study of radiative and total heat transfer between a high temperature fluidized bed and an array of immersed tubes

Creator:

Lei, David Hsien-Yu

Abstract:

Experimental data are reported for the time-averaged local radiative and total heat transfer coefficients for both an array of horizontal tubes as well as a single horizontal tube immersed in a large-particle fluidized bed at elevated temperatures. Spatial-averaged heat transfer coefficients computed from the local values, using a simple trapezoidal...

Resource Type:

Dissertation
An experimental investigation of radiative and total heat transfer around a horizontal tube immersed in a high temperature gas-solid fluidized bed

Creator:

Alavizadeh, Seyed Nasser

Abstract:

This study is primarily concerned with the measurement of the local radiative component of total heat transfer around a horizontal tube immersed in a large particle fluidized bed at elevated temperatures.Total heat transfer was also measured in order to assess the relative radiation contribution.The radiation measurement probe employs a silicon...

Resource Type:

Dissertation
A theoretical study of the radiative contribution to heat transfer between a high-temperature, large-particle gas-fluidized bed and an immersed tube

Creator:

Mahbod, Bahram

Abstract:

An analytical model of the radiative contribution to the total heat transfer between a large-particle (greater than 1 mm) gas-fluidized bed and an immersed horizontal tube is discussed. The model is applied to the case of a bubbling bed and the emulsion phase contribution is obtained from a detailed analysis...

Resource Type:

Dissertation

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Academic Affiliation

Mechanical Engineering4
Chemical Engineering1

Advisor

Adams, Ronald L.2
Welty, James R.2
Levenspiel, Octave1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1984 to 1989

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Creator

Alavizadeh, Seyed Nasser1
Goshayeshi, Ali1
Lei, David Hsien Yu1
Mahbod, Bahram1
Turton, Richard1

Date

Date range begin – Date range end

Current results range from 1984 to 1989

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Decade

1980-1989[remove]5

Degree Field

Mechanical Engineering4
Chemical Engineering1

Degree Level

Doctoral5

Degree Name

Doctor of Philosophy (Ph.D.)5

Language

English [eng]5

Non-Academic Affiliation

Oregon State University. Graduate School5

Peer Reviewed

No5

Resource Type

Dissertation[remove]5

Rights Statement

Copyright Not Evaluated4
In Copyright1

Subject

Fluidized-bed combustion[remove]5
Heat -- Transmission3
Heat -- Radiation and absorption1

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