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Proceedings, Eighth AFCRL Scientific Balloon Symposium, 30 September to 3 October 1974

Proceedings, Eighth AFCRL Scientific Balloon Symposium, 30 September to 3 October 1974 PDF 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

Proceedings, Eighth AFCRL Scientific Balloon Symposium, 30 September to 3 October 1974

Proceedings, Eighth AFCRL Scientific Balloon Symposium, 30 September to 3 October 1974 PDF 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

Proceedings (supplement), Eighth AFCRL Scientific Balloon Symposium, 30 September to 3 October 1974

Proceedings (supplement), Eighth AFCRL Scientific Balloon Symposium, 30 September to 3 October 1974 PDF Author: Andrew S. Carten (Jr.)
Publisher:
ISBN:
Category : Balloons
Languages : en
Pages : 308

Book Description


Proceedings (Supplement), AFCRL Scientific Balloon Symposium (8th) 30 September to 3 October 1974

Proceedings (Supplement), AFCRL Scientific Balloon Symposium (8th) 30 September to 3 October 1974 PDF 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.

Proceedings (supplement), Eighth AFCRL Scientific Balloon Symposium, 30th September to 3 October 1974

Proceedings (supplement), Eighth AFCRL Scientific Balloon Symposium, 30th September to 3 October 1974 PDF Author: Andrew S. Carten
Publisher:
ISBN:
Category : Balloons
Languages : en
Pages : 303

Book Description


Proceedings of AFCRL Scientific Balloon Symposium (8th) Held at Hyannis, Mass. on 30 September to 3 October 1974

Proceedings of AFCRL Scientific Balloon Symposium (8th) Held at Hyannis, Mass. on 30 September to 3 October 1974 PDF 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.

Proceedings of AFCRL Scientific Balloon Symposium (8th) Held at Hyannis, Massachusetts on 30 September to 3 October 1974

Proceedings of AFCRL Scientific Balloon Symposium (8th) Held at Hyannis, Massachusetts on 30 September to 3 October 1974 PDF Author: Andrew S. Carten (Jr.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 916

Book Description


Report on Research at AFCRL.

Report on Research at AFCRL. PDF Author: Air Force Cambridge Research Laboratories (U.S.)
Publisher:
ISBN:
Category : Geophysics
Languages : en
Pages : 212

Book Description


Polyethylene Free Balloon Design from the Perspectives of User and Designer

Polyethylene Free Balloon Design from the Perspectives of User and Designer PDF 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.

Instrumentation Papers

Instrumentation Papers PDF Author:
Publisher:
ISBN:
Category : Aeronautical instruments
Languages : en
Pages : 230

Book Description


A Balloon Design for 9000 Pounds at 90,000 Feet

A Balloon Design for 9000 Pounds at 90,000 Feet PDF Author: James F. Dwyer
Publisher:
ISBN:
Category : Balloons
Languages : en
Pages : 40

Book Description
The history of the development of free balloons to carry heavy payloads into the stratosphere is reviewed with the objective of developing a design based on existing technologies for a balloon to carry 9000 lb to 90,000 ft. Reinforced polyester balloons, in tandem balloon configurations, are discussed with respect to materials, design criteria, and performance. The problem of launch dynamics for single cell polyethylene balloons is also discussed and it is concluded that a capped single cell polyethylene balloon can be dynamically launched, successfully, with the 9000-lb payload. Further, it is concluded that the single cell polyethylene balloon is the best means to meet the objective. Specifications for such a balloon are provided.