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Author: Andrew S. Carten (Jr.) Publisher: ISBN: Category : Balloons Languages : en Pages : 618
Book Description
This publication contains preprints of papers presented at the Eighth AFCRL Scientific Balloon Symposium, 30 September to 3 October 1974, held at Hyannis, Mass. The papers are grouped in accordance with the five symposium sessions: powered balloons, tethered balloons, free balloon technology, balloon-borne experiments, and special applications
Author: Andrew S. Carten (Jr.) Publisher: ISBN: Category : Balloons Languages : en Pages : 618
Book Description
This publication contains preprints of papers presented at the Eighth AFCRL Scientific Balloon Symposium, 30 September to 3 October 1974, held at Hyannis, Mass. The papers are grouped in accordance with the five symposium sessions: powered balloons, tethered balloons, free balloon technology, balloon-borne experiments, and special applications
Author: Andrew S Carten (Jr) Publisher: ISBN: Category : Languages : en Pages : 282
Book Description
This publication, in conjunction with the main volume, AFCRL-TR-74- 0393, dated 21 August 1974, contains the papers presented at the Eighth AFCRL Scientific Balloon Symposium, 30 September to 3 October 1974, held at Hyannis, MA. The papers are grouped in accordance with the five symposium sessions: Powered Balloons, Tethered Balloons, Free Balloon Technology, Balloon-Borne Experiments, and Special Applications.
Author: Andrew S Carten (Jr) Publisher: ISBN: Category : Languages : en Pages : 578
Book Description
This publication contains preprints of papers presented at the Eighth AFCRL Scientific Balloon Symposium, 30 September to 3 October 1974, held at Hyannis, Mass. The papers are grouped in accordance with the five symposium sessions: Powered balloons; tethered balloons; free balloon technology; balloon-borne experiments; and special applications.
Author: George F. Nolan Publisher: ISBN: Category : Balloons Languages : en Pages : 566
Book Description
This publication contains papers presented at the Ninth AFGL Scientific Balloon Symposium, 20 October to 22 October 1976, held at Wentworth By-The-Sea, Portsmouth, New Hampshire.
Author: James F. Dwyer Publisher: ISBN: Category : Air-supported structures Languages : en Pages : 124
Book Description
Those who use large polyethylene balloons for experimental programs are presented with background information on the processes of selecting and designing balloons to meet their respective mission requirements. The effects of payload weight, altitude, duration, and vertical control on both the total payload weight and the balloon size are discussed with respect to these processes. The need to define missions success in terms of realistic requirements is emphasized and a mission planning procedure is proposed. Assumptions and problems in contemporary balloon design are discussed, and design and analysis procedures based on the loads and geometry at the time of launch are developed. Dynamic launch shock is proposed as a criterion for shell thickness, and a model of polyethylene film modulus is developed to account for strain rate and stress and strain relaxation at a launch temperature of 23 degrees C. Computer codes have been written for the processes of balloon selection and balloon design to meet mission requirements. They are intended to be a basis for more efficient, interactive mission planning. Finally, improvements to the balloon design process are proposed and discussed.
Author: James F. Dwyer Publisher: ISBN: Category : Balloons Languages : en Pages : 44
Book Description
The need for a technique of instantaneously effect controlled balloon-system descent from high altitude prompted the development efforts reported herein. The background, the approach, test flight data, and the technical problems that frustrated the successful development of the desired technique are included. A simplified model of the shape of a partially full balloon is presented (a model that should also approximate the dimensions of subpressure shapes). Some heretofore unpublished information on apex valve characteristics and subpressure effects are included together with recommendations for any future work of this problem. Significant supplementary findings and historical perspectives are noted. (Author).
Author: Andrew S. Carten (Jr.)
Author: Andrew S. Carten (Jr.)
Author: Andrew S. Carten (Jr.)
Author: Andrew S Carten (Jr)
Author: Andrew S Carten (Jr)
Author: Andrew S. Carten (Jr.)
Author: Andrew S. Carten
Author: Air Force Cambridge Research Laboratories (U.S.)
Author: George F. Nolan
Author: James F. Dwyer
Author: James F. Dwyer