1、-. . “ . . “ 10 MAY.lSz_e_.“. ._ SU-PERSEDING “ SECTION 101- MlL-STD-l399(NAV.Y) 1 DECEMBER 1970 MILITARY STANDARD INTERFACE STANDARD FOR SHIPBOARD SYSTEMS SECTION 532 .COOLING WATER FOR SUPPORT OF ELECTRONIC EQUIPMENT (METRIC) FSC 1990 “ 7 . THIS - DOCUMENT CONTAINS PAGES h * Provided by IHSNot for
2、 ResaleNo reproduction or networking permitted without license from IHS-,-,- - DOD-STD-1399 (NAVY) SECTION 532 10 May 1978 DEPARTMENT OF THE NAVY WASHINGTON. DC 20362 Interface Standard for Shipboard Systems , Cooling Water for Support of Electronic MD-STD-1399 (NAVY) SECTION 532 1, This Military-St
3、andard is approved for use by all interested Commqnnds of the Depart- ment of the Navy in the technical development plans, design, and procurement specifications for new ship acquisitions, ship modernizations or conversions, and systems/equipment for installation therein and into active fleet ships
4、where applicable, and is available for use by all Departments and Agencies of the Department of Defense. 2. Beneficial comments (recommendations , additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, Naval - the self-addressed
5、 Standardization Document Improvement Proposal (DD Form 1426) appearing Ship Engineering Center, SEC 6124, Department of the Navy, Washington, 20362, by using at the end of this document or by letter. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-D
6、OD-STD-1399 (NAVY) SECTION 532 , 10 May 1978 FOREWORD straints on, the design of shipboard electronic equipment which will utilize the ships electronic cooling water system. Purpose. This section defines the standard interface requirements for, and the con- Nature of the interface. Navy ships have a
7、 requirement for cooling water to support electronic equipment. This is provided by a system specifically designed to supply the necessary quantities of conditioned water with standard characteristics. Cooling water is centrally generated and then distributed throughout the ship to satisfy-the needs
8、 of the various users. This section provides guidance to ensure compatibility between each user and the cooling water system involved and for the documentation of user requirements to assist in the.design of such cooling water systems. Structure. The technical content,first describes the characteris
9、tics of the shipboard electronic cooling water system in terms of.purity, temperature, pressure, and flow rate. Constraints on user system.and the requirements for documentation of user needs are then established. Numerical quantities. Numerical quantities stated in this section are expressed in met
10、ric (SI) units and may be followed by inch-pound units in parentheses. The SI equivalents of the inch-pound units are approximated to a practical nwnber of significant figures. Where parenthetical values are given in inch-pound units, the inch-pound units are to be regarded as the current specified
11、magnitude. iii Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NOTICE OF MILITARY STANDARD INTERFACE STANDARD FOR SHIPBOARD SYSTEMS SECTION 532 COOLING WATER FOR SUPPORT OF ELECTRONIC EQUIPMENT (METRIC) rmIc I DOD-STD-l399(NAVY) SECTION 532 NOTICE 1
12、28 February 1990 TO ALL HOLDERS OF DOD-S“D-l399(NAVY), SECTION 532 1. THE FOLLOWING PAGES OF DOD-STD-l399(NAVY), SECTION 532 HAVE BEEN REVISED AND SUPERSEDE THE PAGES LISTED: NEW PAGE DATE SUPERSEDED PAGE DATE 3 28 February 1990 3 10 May 1978 4 10 May 1978 4 REPRINTED WlTHOUT CHANGE 3a 28 February 1
13、990 - - 2. RETAIN THIS NOTICE AND INSERT BEFORE TABLE OF CONTENTS. 3. Holders o DOD-STD-l399(NAVY), Section 532 will verify that page changes and additions indicated above have been entered. This notice page will be retained as a check sheet. This issuance, together with appended pages, is a separat
14、e publication. Each notice is to be retaincd by stocking points until the military standard is completely revised or canceled. Preparing activity: (Project 1990-NOSO) Navy - SH AMSC NIA Fsc 1990 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for
15、ResaleNo reproduction or networking permitted without license from IHS-,-,-DOD-STD-L377 -532 L7 77777LL 0030762 T W DOD-STE-1399 (NAVY) SECTION 532 10 May 1978 CONTENTS Paragraph 1 . 1.1 1.2 1.3 1.4 2 . 2.1 3 . 3.1 3.2 4 . 4.1 5 . 5.1 5.2 5.2.1 5.2.2 5.2.3 5.2.4 5.3 5.3.1 5.3.2 5.3.3 5.3.4 5.3.5 6 .
16、 . 6.1 7 . 7.1 7.1.1 Figure 1 . 2 . GENERAL. SCOPE. INTERFACE. AND APPLICABILITY . General . Scope . Interface . Applicability . REFERENCED DOCUMENTS . Issues of documents . DEFINITIONS Shipboard electronic cooling water system . User-equipment REQUIREMENTS . Requirements INTERFACE CHARACTERISTICS A
17、ND CONSTRAINTS General considerations Interface characteristics Purity Temperature . Pressure . Flow rate . Interface constraints Compatibility . Pressure drop . External connections User cooling water requirements Materials . . DOCUMENTATION REQUIREMENTS . DD Form 1423 DEVIATIONS . Conditions Devia
18、tion procedure . FIGURES .Interface . ments . Sample format for reporting cooling water require- 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 4 4 4 1 5 I iv Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DOD-STD-1377 -532 17 H 979971L 00309
19、83 L W I -T ! -e 1. GENERAL. SCOPE. INTERFACE, AND APPLICABILITY DOD-STD-1399 (NAVY) SECTION 532 10 May 1978 This section and the basic standard is to be viewed as an integral single document. 1.1 General. The policies and procedures established by DOD-STD-1399 are mandatory. 1.2 Scope. This section
20、 establishes interface requirements for shipboard electronic equipment utilizing the cooling water support system to ensure compatibility between such . equipment and the cooling water support system. 1.3 Interface. Basic characteristics and constraint categories concerned with this interface are sh
21、own symbolically on figure 1 (see section 3 “Definitions“ of DOD-STD-1399): INTERFACE ELECTRONIC . COOLING WATER L/ ELECTRONIC EQIJIPPlENT SYSTEM BASIC-CATEGORIES . - 1/ CHARACTERISTICS 2J CONSTRAINTS Purity Compatibility Temperature External conneptions Pressure Folw rate Materials Pressure -drop F
22、IGURE 1. Interface. The particular interface characteristics and constraints pertinent to this section are described in 5.2 and 5.3. 1.4 Applicability. Shipboard considerations require an integrated thermal design for electronic equipment in order to properly dispose of generated heat. The thermal d
23、esign criteria contained in MIL-E-16400 shall be used for guidance as to the applicability of water cooling. 2. REFERENCED DOCUMENTS 2.1 Issues o documents. The following documents of the issue in effect on date of invitation for bids or request for proposal form a part of this standard to the exten
24、t specified herein. SPECIFICATIONS MILITARY MIL-E-16400 - Electronic, Interior Communication and Navigation Equipment, MIL-1-21965 - Water Coolinu of Shipboard Electronic Euuipment; General Spec- Naval Ship and Shore: General Specification for. ification fr . ” MIL-H-24520 - Hose and Hose Assembly f
25、or Water Cooling of Electronic Equip- ment. 1 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DOD-STD-1399 (NAVY) SECTION 532 10 May 1978 STANDARDS MILITARY _ MIL-STD-438 - Schedule of Piping, Valves, Fittings, and Associated Piping MIL-STD-777 - Sch
26、edule of Piping, Valves, Fittings, and Associated Piping Components for Submarine Service. Covponents for Surface Ships. in connection with specific procurement functions should be obtained from the procuring activity or.as directed by the contracting officer.) (Copies of specifications, standards,
27、drawings, and publications required by contractors 31 DEFINITIONS system supp*lectronic eqd Easystem specifically designed to remove heat from 3.1 Shi board electronic coolin water system. A shipboard electronic cooling water electronic- equipment by supplying- necessary quantities of conditioned wa
28、ter with standard characteristics as specified herein. . utilizes the shipboard electronic cooling water system. 3.2 User equipment. A user equipment is any electronic system or equipment which 4. REQUIREMENTS 4.1 Requirements. The specific interface requirements and constraints established herein a
29、re mandatory and shall be adhered to by SYSCOMs, Project managers, contractors, and all others engaged in any aspect of .shipboard electronic cooling water system design to which these requirements and constraints apply incJuding equipment design, production, and installation (see section 4 , “Requi
30、rements“ of DOD-STD-1399) . 5. INTERFACE CflRACTERISTICS AND CONSTRAINTS 5.1 General considerations. Shipboard electronic equipment5 generate heat during their normal operations. This heat must be removed to prevent damage to heat critical components. Heat removal may be by natural disszpation, air
31、cooling, or where these measures water system. This section concerns the centralized cooling water system, as specified in are not adequat to remove the required amount of heat, by a centralized electronic cooling MIL-W-21695, composed of the necessary pumps, heat exchangers, demineralizers, water f
32、low controls, pressure relief valves, temperature regulating valves, temperature, flow and pres- sure indicators, conductivity i.ndicators, alarms, air trap and expansion tank, stop valves, piping and all other accessories required to insure a continuous flow of cooling water of specified characteri
33、stics to the electronic equipment. Cooling of water f0r.th.e electronic cooling water system is via heat exchangers using water from the sea water system or the ahilled water system. 5.2 Interface characteristics. The interface characteristics of the ships cooling water system are described in 5.2.1
34、1 through 5.2.4. Each shipboard system will deliver cool- ing water with these characteristics to the electronic equipment interface. Distilled water, 0.065 equivalents per million (epm) chlorides maximum, wil-1 normally be used for filling of electronic cooling water .systems. 5.2.1 Purite. The pur
35、ity characteristics will be as“fol1ows: I (a) Conductivity: Not in excess of 2.0 microsiemens per centimeter (vs/cm) (micromhos per.centimeter) corrected to 25OC (77OF). (b) Oxygen concentration: 0.5 parts per million (p/m) by weight maximum. (c) Filtration: Size of solids will not exceed 0.5 microm
36、eters. Full flow filtration will be-provided if required by the electronic equipment. 5.2.2 Temperature. The temperature of the cooling water provided to the electronic equipment inlet connections will be not greater than 4OoC (105OF) on surface ships, and not greater than 35OC (95OF) on submarines.
37、 .The cooling water system can easily provide.water at higher temperatures if required in special cases, and when operating in cold sea water, lesser temperatures may be available. The ability of electronic equipment to use water at a .temperature not greater than 4OoC (105OF) on surface ships and 3
38、5OC (95OF) on submarines is extremely critical because of the added cost involved in supporting any requirement less than these temperatures. Such requirement will involve the use of chilled water from the air conditioning system in lieu of the use of sea water for the heat exchanger. This will 2 Pr
39、ovided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-, n x. DOD-STD-L377 -532 NOTICE L 17 H 77777LL 0087L7Y b H DOD-STD- 1399( NAVY) SECTION 532 NOTICE 1 28 February 1990 rcquirc signillcant increases in cost, wcight, space, and a potcntial compromise in rc
40、liabilily ol the air conditioning system. Any nccd to dcviate from this temperature intcrfacc characteristic shall be fully justilcd (SCC 7.1). 5.2.3 Iressare. For surfacc ships, thc watcr pressure will bc within the rangc of 69 kilopascals (kPa) (10 pounds pcr square inch (Ib/in2) to 758 kPa (110 I
41、b/in2). hc equipment cooling systcln shall bc capable OC withstanding a hydrostatic pressure test of 1034 kPa (150 lb/in2). For submarinc scrvice, thc watcr prcssurc will be within the rangc of G9 kilopascals (kPa) (IO pounds pcr squarc inch (Ib/in2) to 1415 kPa (205 Ib/in2). The equipment cooling s
42、ystem shall be capablc of withstanding a hydrostatic prcssurc test of 1898 kPa (275 Win2). 52.4 Flow rate. The llow ratc will be as required by the clcctronic cquipmcnt and controllcd by thc dcsign of the cquipmcnt watcr passagcs. Water flow and distribution as dcscribcd in MIL- W-21965 shall be use
43、d lor guidancc. 5.3 Intcrfuce constraints. The intcrfacc characteristics of the shipboard clectronic cooling watcr system impose certain constraints on the design of electronic equipment utilizing such support. Thcsc constraints are spccikd in 5.3.1 and through 5.3.5. 5.3.1 Compatibility. Thc dcsign
44、 of clcctronic equipment utilizing ships cooling walcr support shall bc compatible with the interface characteristics given in 5.2. 5.3.2 FRSSM drop. The maximum pressure drop from inlet to outlet of each clectronic cabinet shall not exceed G9 kPa (10 Ib/in%). However, state-of-the-art breakthrough
45、is required in certain tube designs (e.g., klystron tubc) in order to stay within the maximum G9 kPa (10 Ib/in2) pressure drop. While a high pressurc piping system required to support large pressure drops is not desirable from the point of view of the additional weight and cost involved, when weighe
46、d against the probability and cost of the state-of-the-art breakthrough in tube design, it may be a cost- crfective compromise and a deviation from this interface constraint may be indicated. In such instance, the need to deviate from this pressure drop interface shall be fully justified (sce 7.1).
47、5.3.3 External connections. Each unit shall have a single supply and single return watcr connection for attachment to the electronic cooling water system. The two connections, lor rigidly- mounted equipments, shall be union joints or flanges in accordance with Category C-1 of MIL- STD-777 for surfac
48、e ships or Category N of MIL-STD-438 for submarine service and shall bc rigidly fastened to the outside surface of the enclosure. Shock mounted equipments shall be provided with hose assemblies in accordance with MIL-H-24520. Supersedes page 3 of 10 May 1978 3 Provided by IHSNot for ResaleNo reprodu
49、ction or networking permitted without license from IHS-,-,-DOD-STD-l399(NAVY) SECTION 532 NOTICE 1 28 February 5.3.4 Materialsi Thci molatlt eircdlt khalk be dnstructed of high-purity cooper materials which are electrochemicaliy compatible whh the materials listed in Category C-1 of MIL-STD-777 for rke ihips or Caiegory N or mL$ID-&g For submarine service. Materials containing carbon it.
