The domestic production of the most powerful Ozone‐Depleting Substances (ODSs) has permanently ceased and the abundant supplies of a number of refrigerants, fire‐fighting agents, and solvents, once taken for granted, are now a thing of the past. The Navy has adopted a successful strategy for addressing the threat posed by the unavailability of ODSs and that strategy includes relying on a strategic reserve of ODSs. Considering that the strategic reserve will play a critical role in sustained Fleet operations well into the next century, it is important to record the history of the reserve and to document lessons learned in order to educate future generations that may be faced with similar challenges. This paper documents the history of the Navy's effort to define, establish, and monitor a reserve designed to support Fleet operations until the middle of the next century.
The domestic production of the most powerful Ozone‐Depleting Substances (ODSs) has permanently ceased and the abundant supplies of a number of inexpensive refrigerants, fire‐fighting agents, and solvents, once taken for granted, are now a thing of the past The Navy's original strategy of conserving ODSs, converting systems and processes where feasible, relying on strategic reserves where necessary, and developing “ozone‐friendly” equipment for new‐design surface ships and submarines is succeeding. The purpose of this paper is to document the Navy's efforts to date relative to combating the threat to uninterrupted Fleet operations posed by the cessation of ODS production. Specifically, this paper addresses the Navy's shipboard conversion programs for air‐conditioning and refrigeration (AC&R) systems, the development of next‐generation AC&R systems, the selection of halon substitutes for new‐construction fire‐fighting systems, and the Navy's alternative to CFC‐113 in the cleaning of critical oxygen systems.
The domestic production of the most powerful Ozone‐Depleting Substances (ODSs) has permanently ceased and the abundant supplies of a number of refrigerants, fire‐fighting agents, and solvents, once taken for granted, are now a thing of the past. The Navy has adopted a successful strategy for addressing the threat posed by the unavailability of ODSs. That strategy includes relying on a strategic reserve of ODSs. Considering that the strategic reserve will play a critical role in sustained fleet operations well into the next century, it is important to record the history of the reserve and to document lessons learned in order to educate future generations that may be foxed with similar challenges. This is the second of three papers that will cover all aspects of the Navy'S strategic reserve of ODSs. The first paper documented the history of the Navy'S effort to size, establish, and monitor a reserve designed to support fleet operations until the middle of the next century (1). This paper addresses in detail the process used to estimate the required size of the reserve, including the survey method, statistical analyses, and sizing algorithms. The third paper will discuss the development of the plan for monitoring the reserve including the control mechanisms, regression methods, and statistical‐process‐control techniques (2).
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