scholarly journals Thermal Effects of Crevassing on Steele Glacier, Yukon Territory, Canada

1974 ◽  
Vol 13 (68) ◽  
pp. 243-254 ◽  
Author(s):  
Gary T. Jarvis ◽  
Garry K. C. Clarke
Keyword(s):  
Temperature Profile ◽  
Thermal Effects ◽  
Yukon Territory ◽  
Temperature Measurements ◽  
Temperature Profiles ◽  
Two Dimensional ◽  
Dimensional Model ◽  
Two Dimensional Model ◽  
Made In

Ice temperature measurements have been made in Steele Glacier to a depth of 114 m. All measured temperatures were below 0° C, the coldest being –6.5° C at a depth of 114 m. The temperature profile indicates an anomalously warm layer of ice between 30 m and 50 m, which is probably due to the freezing of water in crevasses opened during the 1965–66 surge. A two-dimensional model of a cold glacier with partially water-filled crevasses predicts temperature profiles very similar to that observed.

scholarly journals Thermal Effects of Crevassing on Steele Glacier, Yukon Territory, Canada

1974 ◽  
Vol 13 (68) ◽  
pp. 243-254 ◽  
Author(s):  
Gary T. Jarvis ◽  
Garry K. C. Clarke
Keyword(s):  
Temperature Profile ◽  
Thermal Effects ◽  
Yukon Territory ◽  
Temperature Measurements ◽  
Temperature Profiles ◽  
Two Dimensional ◽  
Dimensional Model ◽  
Two Dimensional Model ◽  
Made In

Ice temperature measurements have been made in Steele Glacier to a depth of 114 m. All measured temperatures were below 0° C, the coldest being –6.5° C at a depth of 114 m. The temperature profile indicates an anomalously warm layer of ice between 30 m and 50 m, which is probably due to the freezing of water in crevasses opened during the 1965–66 surge. A two-dimensional model of a cold glacier with partially water-filled crevasses predicts temperature profiles very similar to that observed.

scholarly journals 2D Model of Transfer Processes for Water Boiling Flow in Microchannel

2021 ◽  
Vol 5 (3) ◽  
pp. 42
Author(s):  
Valery A. Danilov ◽  
Christian Hofmann ◽  
Gunther Kolb
Keyword(s):  
Heat Transfer ◽  
Experimental Data ◽  
Temperature Profiles ◽  
Two Dimensional ◽  
Dimensional Model ◽  
Transfer Processes ◽  
Two Dimensional Model ◽  
Boiling Flow ◽  
Homogeneous Mixture Model ◽  
2D Model

The modeling of transfer processes is a step in the generalization and interpretation of experimental data on heat transfer. The developed two-dimensional model is based on a homogeneous mixture model for boiling water flow in a microchannel with a new evaporation submodel. The outcome of the simulation is the distribution of velocity, void fraction and temperature profiles in the microchannel. The predicted temperature profile is consistent with the experimental literature data.

scholarly journals WATER WAVES DUE TO A LOCAL DISTURBANCE

2011 ◽  
Vol 1 (6) ◽  
pp. 8
Author(s):  
J. E. Prins
Keyword(s):  
Water Waves ◽  
Water Surface ◽  
Wave Pattern ◽  
Wave System ◽  
Two Dimensional ◽  
Dimensional Model ◽  
Local Disturbance ◽  
Wave Characteristics ◽  
Two Dimensional Model ◽  
Made In

A model investigation of the characteristics of waves generated by a local disturbance was made in order to obtain comparison with the theories of UNOKI and NAKANO (1953) and KRANZER and KELLER (1955). The two-dimensional model for the case of initial local elevation or depression of uniform height of the water surface showed that certain wave characteristics such as phase periods and "interference" pattern could be described reasonably well within certain limits of water depth and height and extent of the disturbed area. Beyond those limits the leading part separated from the generated wave pattern as a solitary wave or a more complicated wave system. For a certain range of conditions the leading part was preceded by a bore during the first portion of the travel.

Commitment to pro- versus counter-attitudinal behavior and the dynamics of social representations

2002 ◽  
Vol 61 (1) ◽  
pp. 34-44 ◽  
Author(s):  
Eric Tafani ◽  
Lionel Souchet
Keyword(s):  
Higher Education ◽  
Social Representations ◽  
Cognitive Restructuring ◽  
Social Representation ◽  
Two Dimensional ◽  
Dimensional Model ◽  
Social Actions ◽  
The Social ◽  
Two Dimensional Model ◽  
Students Attitudes

This research uses the counter-attitudinal essay paradigm ( Janis & King, 1954 ) to test the effects of social actions on social representations. Thus, students wrote either a pro- or a counter-attitudinal essay on Higher Education. Three forms of counter-attitudinal essays were manipulated countering respectively a) students’ attitudes towards higher education; b) peripheral beliefs or c) central beliefs associated with this representation object. After writing the essay, students expressed their attitudes towards higher education and evaluated different beliefs associated with it. The structural status of these beliefs was also assessed by a “calling into question” test ( Flament, 1994a ). Results show that behavior challenging either an attitude or peripheral beliefs induces a rationalization process, giving rise to minor modifications of the representational field. These modifications are only on the social evaluative dimension of the social representation. On the other hand, when the behavior challenges central beliefs, the same rationalization process induces a cognitive restructuring of the representational field, i.e., a structural change in the representation. These results and their implications for the experimental study of representational dynamics are discussed with regard to the two-dimensional model of social representations ( Moliner, 1994 ) and rationalization theory ( Beauvois & Joule, 1996 ).

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