Effects of surface thermal forcing on stratified flow past an isolated obstacle. (Record no. 25558)

MARC details
000 -LEADER
fixed length control field 02824cam a2200325Ia 4500
001 - CONTROL NUMBER
control field ocm27653850
003 - CONTROL NUMBER IDENTIFIER
control field CoBA
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20250224094655.0
008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION
fixed length control field 930302s1992 cou b 000 0 eng d
040 ## - CATALOGING SOURCE
Original cataloging agency CNR
Transcribing agency CNR
049 ## - LOCAL HOLDINGS (OCLC)
Holding library CNRM
090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN)
Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) QC933
Local cutter number (OCLC) ; Book number/undivided call number, CALL (RLIN) .R45 1992
100 1# - MAIN ENTRY--PERSONAL NAME
Personal name Reisner, Jon Michael.
245 10 - TITLE STATEMENT
Title Effects of surface thermal forcing on stratified flow past an isolated obstacle.
264 ## - PRODUCTION, PUBLICATION, DISTRIBUTION, MANUFACTURE, AND COPYRIGHT NOTICE
Place of production, publication, distribution, manufacture Boulder, CO :
Name of producer, publisher, distributor, manufacturer National Center for Atmospheric Research (NCAR),
Date of production, publication, distribution, manufacture, or copyright notice 1992.
300 ## - PHYSICAL DESCRIPTION
Extent vi, 98 p. :
Other physical details ill. ;
Dimensions 28 cm.
336 ## - CONTENT TYPE
Content type term text
Content type code txt
Source rdacontent
337 ## - MEDIA TYPE
Media type term unmediated
Media type code n
Source rdamedia
338 ## - CARRIER TYPE
Carrier type term volume
Carrier type code nc
Source rdacarrier
502 ## - DISSERTATION NOTE
Dissertation note Also issued as thesis (Ph. D.)--Iowa State University.
504 ## - BIBLIOGRAPHY, ETC. NOTE
Bibliography, etc Includes bibliographical references (p. 95-98).
520 ## - SUMMARY, ETC.
Summary, etc. The present study investigates basic aspects of the flow of a density-stratified fluid past three-dimensional obstacles for Froude number ~ O(1) and isolated surface thermal forcing representative of diurnally varying mesoscale flows past mountainous islands such as Hawaii. In order to minimize parameter space, we have excluded the effects of friction, rotation, nonuniform ambient flow, and the complexities of realistic surface boundary layer and terrain. Through simple scaling arguments, we deduce that the parameter [eta][superscript]* [[eta][superscript]*≡L[superscript]*[macron] Q[over] Uh≤ft([partial][macron][theta][over][partial] z)[superscript]-1 ~ O(1) for mesoscale flows]controls thermally forced flows for a given Froude number, and we provide crude estimates of a flow response for a range of [eta][superscript]*. The principal question addressed is for what values of [eta][superscript]* will a transition occur from the low-Froude-number flow regime, characterized by the stagnation and splitting of the lower upwind flow, to the regime in which flow passes over rather than around the obstacle. We show that the linear theory captures such a tendency consistently with simple scaling arguments. To provide quantitative measures of flow variability with the Froude number and [eta][superscript]*, we employ an efficient isentropic numerical code and summarize the results of numerous simulations in the form of a regime diagram. The principal result is a simple criterion for the transition of a heated flow from the blocked to unblocked flow regime. We illustrate the relevance of the idealized study to natural flows with an example of applications to a flow past the Hawaiian Archipelago.
610 ## - SUBJECT ADDED ENTRY--CORPORATE NAME
Corporate name or jurisdiction name as entry element National Center for Atmospheric Research (NCAR)
650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Wind.
9 (RLIN) 1061
650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Stratified flow.
650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Atmospheric turbulence.
9 (RLIN) 535
710 ## - ADDED ENTRY--CORPORATE NAME
Corporate name or jurisdiction name as entry element National Center for Atmospheric Research (U.S.).
9 (RLIN) 98
830 ## - SERIES ADDED ENTRY--UNIFORM TITLE
Uniform title NCAR Cooperative Thesis ;
Volume number/sequential designation no. 140
942 ## - ADDED ENTRY ELEMENTS (KOHA)
Koha item type BOOK
Source of classification or shelving scheme Library of Congress Classification
Holdings
Withdrawn status Lost status Source of classification or shelving scheme Damaged status Not for loan Home library Current library Shelving location Date acquired Total Checkouts Full call number Barcode Date last seen Date last checked out Copy number Price effective from Koha item type
    Library of Congress Classification     NCAR Library NCAR Library Mesa Lab   1 QC933 .R45 1992 50583010047680 09/04/2012   1 09/01/2010 BOOK

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