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3. Correspondence.

Author

Shepard, C. E., A. D., and A. G. C.

Subjects
LETTERS to the editor, CRITICISM, REFERENCE sources, SOCIETIES, CONFERENCES & conventions
Abstract

Presents several letters to the editor. Opinion on the comparison of different literary pieces in a book; Report of Proceedings of the American Antiquarian Society.

Published
1879

6. Electric arc apparatus Patent

Author

Shepard, C. E, Stine, H. A, and Watson, V. R

Subjects
Electronic Equipment
Abstract

Electric arc heater with supersonic nozzle and fixed arc length for use in high temperature wind tunnels

Published
1968

7. A study of artificial meteors as ablators

Author

Shepard, C. E, Stine, H. A, Vorreiter, J. W, and Winovich, W

Subjects
Thermodynamics And Combustion
Abstract

Simulated meteor entry tests in high enthalpy plasma jet to determine meteor ablation and radiation characteristics

Published
1967

8. A study of artificial meteors as ablators.

Author

Shepard, C. E, Stine, H. A, Vorreiter, J. W, and Winovich, W

Subjects
Thermodynamics And Combustion
Abstract

Simulated meteor ablation tests using artificial meteors of gabbro, basalt and steel in ultrahigh enthalpy plasma jet

Published
1966

10. A study of artificial meteors as ablators

Author

Shepard, C. E, Stine, H. A, Vorreiter, J. W, and Winovich, W

Subjects
Space Sciences
Abstract

Ablation properties and luminosity of artificial meteoroid materials determined in plasma jet tests

Published
1965

15. Analytical and Design Study for a High-Pressure, High-Enthalpy Constricted Arc Heater

Author

ACUREX CORP/AEROTHERM MOUNTAIN VIEW CA, Nicolet, W. E., Shepard, C. E., Clark, K. J., Balakrishnan, A., Kesselring, J. P., ACUREX CORP/AEROTHERM MOUNTAIN VIEW CA, Nicolet, W. E., Shepard, C. E., Clark, K. J., Balakrishnan, A., and Kesselring, J. P.

Abstract

This report presents a prediction method for high-pressure, high- enthalpy constrictor arc heater performance, the conceptual design of 5 MW and 40 MW arc heaters, and supporting documentation. An existing computer code for arc heater performance was modified by upgrading the radiation model, the thermodynamic and transport properties, and the turbulence model. The radiation properties model was modified to include visible and infrared atomic lines, the ultraviolet continuum, ultraviolet bands and band systems, and ultraviolet atomic lines, while the radiation transport model was modified for an absorbing and emitting gaseous medium. Thermodynamic and transport properties for air covering the pressure range from 1 to 200 atmospheres and the temperature range from 1000K to 30,000K were calculated, and a turbulence model that has been shown to be applicable for developing flows, and that satisfies both wall and centerline boundary conditions, was included.

Published
1975

17. Fatigue and other symptoms in patients with chronic obstructive pulmonary disease: do women and men differ?

Author

Gift AG and Shepard CE

Subjects
Adult, Aged, Anxiety, Dyspnea, Female, Humans, Lung Diseases, Obstructive nursing, Male, Middle Aged, Severity of Illness Index, Surveys and Questionnaires, Fatigue, Lung Diseases, Obstructive physiopathology, Lung Diseases, Obstructive psychology, Sex Characteristics
Abstract

Objective: Describe the symptoms experienced by patients with chronic obstructive pulmonary disease (COPD), compare women and men with regard to their physical and psychologic symptoms, and determine the predictors of fatigue for the group as a whole and for women separately., Design: Correlational, predictive., Participants: One hundred four (48 women/56 men) outpatients with severe COPD and a mean age of 60 years., Measures: Self-report of fatigue using the SF-36 energy/fatigue subscale and a "lack of energy" question. Self-report of dyspnea, general symptoms using the Memorial Symptom Assessment Scale, and psychologic symptoms using the Brief Symptom Inventory. Pulmonary function tests and arterial blood gas levels., Results: Patients reported a moderate level of fatigue (mean of 44 on the SF-36), with no difference in the reports of men and women. When reporting their "lack of energy" during the past week, women reported more fatigue than did men. Other symptoms in descending order of reporting were dyspnea and cough. More women reported "don't look like myself" than did men. Women and men were similar in their psychologic symptoms except anxiety, which was higher in women (t = 2.64, p < .01). Predictors of fatigue (SF-36 subscale) for the group as a whole were found to be dyspnea and physical symptoms, predicting 42% of the variance. For the women alone, dyspnea and physical symptoms entered the equation, to predict 67% of the variance in fatigue., Conclusions: Predictors of fatigue were similar for women compared to the group as a whole, with symptoms having more of an impact on fatigue than did physiologic variables.

Published
1999
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