Method 522.2 ballistic shock contents · MIL-STD-810H

Paragraph	Page
1. SCOPE	1
1.1 PURPOSE	1
1.2 APPLICATION	1
1.2.1 BALLISTIC SHOCK DEFINITION	1
1.2.2 BALLISTIC SHOCK - MOMENTUM EXCHANGE	1
1.2.3 BALLISTIC SHOCK - PHYSICAL PHENOMENON.	2
1.3 LIMITATIONS..	2
2. TAILORING GUIDANCE.	3
2.1 SELECTING THE BALLISTIC SHOCK METHOD	3
2.1.1 EFFECTS OF BALLISTIC SHOCK	3
2.1.2 SEQUENCE AMONG OTHER METHODS.	3
2.2 SELECTING A PROCEDURE..	3
2.2.1 PROCEDURE SELECTION CONSIDERATIONS	5
2.2.2 DIFFERENCE AMONG PROCEDURES..	6
2.2.2.1 PROCEDURE I - BH&T	6
2.2.2.2 PROCEDURE II - LSBSS	6
2.2.2.3 PROCEDURE III - LWSM.	6
2.2.2.4 PROCEDURE IV - MECHANICAL SHOCK SIMULATOR	6
2.2.2.5 PROCEDURE V - MWSM	6
2.2.2.6 PROCEDURE VI - DROP TABLE.	6
2.3 DETERMINE TEST LEVELS AND CONDITIONS	6
2.3.1 GENERAL CONSIDERATIONS - TERMINOLOGY.	7
2.3.2 TEST CONDITIONS - SHOCK SPECTRUM TRANSIENT DURATION AND SCALING	7
2.3.2.1 MEASURED DATA AVAILABLE FROM BALLISTIC SHOCK.	7
2.3.2.2 MEASURED DATA NOT AVAILABLE FROM BALLISTIC SHOCK.	8
2.3.3 BALLISTIC SHOCK QUALIFICATION - PROCEDURE I..	8
2.3.4 BALLISTIC SHOCK QUALIFICATION - PROCEDURES II THROUGH VI	8
2.4 TEST ITEM CONFIGURATION	9
3. INFORMATION REQUIRED.	9
3.1 PRETEST.	9
3.2 DURING TEST	9
3.3 POST-TEST	9
4. TEST PROCESS	10
4.1 TEST FACILITY.	10
4.2 CONTROLS	10
4.3 TEST INTERRUPTION	11
4.3.1 INTERRUPTION DUE TO TEST EQUIPMENT MALFUNCTION.	11
4.3.2 INTERRUPTION DUE TO TEST ITEM OPERATION FAILURE	11
4.4 INSTRUMENTATION	11
4.4.1 BALLISTIC SHOCK MEASUREMENT TRANSDUCERS	11
4.4.2 DATA ACQUISITION INSTRUMENTATION	12
4.4.2.1 FILTERING AND FREQUENCY RESPONSE..	12

MIL-STD-810H METHOD

522.2 CONTENTS - Continued

Paragraph		Page
4.4.2.2	SLEW RATE	14
4.4.2.3	HEADROOM..	14
4.5	DATA ANALYSIS	15
4.6	TEST EXECUTION	15
4.6.1	PREPARATION FOR TEST.	15
4.6.1.1	PRELIMINARY STEPS	15
4.6.1.2	PRETEST CHECKOUT	15
4.6.2	PROCEDURES	16
4.6.2.1	PROCEDURE I-BH&T	16
4.6.2.2	PROCEDURE II - LSBSS	16
4.6.2.3	PROCEDURE III - LWSM.	16
4.6.2.4	PROCEDURE IV - MECHANICAL SHOCK SIMULATOR	17
4.6.2.5	PROCEDURE V - MWSM	17
4.6.2.6	PROCEDURE VI - DROP TABLE	18
5.	ANALYSIS OF RESULTS	18
6.	REFERENCE/RELATED DOCUMENTS.	18
6.1	REFERENCED DOCUMENTS	18
6.2	RELATED DOCUMENTS	18

TABLES

TABLE 522.2-I.	BALLISTIC SHOCK CHARACTERISTICS	4
TABLE 522.2-II.	SRS FUNCTION FOR SHOCK..	9

FIGURES

FIGURE 522.2-1.	SHOCK RESPONSE SPECTRA OF "DEFAULT" BALLISTIC SHOCK LIMITS (TABLES 522.2-I & II)	4
FIGURE 522.2-2.	SHOCK RESPONSE SPECTRA FROM THREE DIFFERENT SENSORS NEEDED TO MEASURE THE ENTIRE SPECTRUM (5 HZ TO 100,000 HZ) OF A BALLISTIC SHOCK EVENT.	12
FIGURE 522.2-3.	FILTER ATTENUATION (CONCEPTUAL, NOT FILTER SPECIFIC)	13
FIGURE 522.2-4.	ILLUSTRATION OF SAMPLING RATES AND OUT OF BAND "FOLD OVER” FREQUENCIES FOR DATA ACQUISITION SYSTEMS	14

MIL-STD-810H

METHOD

522.2 METHOD 522.2

BALLISTIC SHOCK

NOTE: Tailoring is essential. Select methods, procedures, and parameter levels based on the tailoring process described in Part One, paragraph 4.2.2, and Annex C. Apply the general guidelines for laboratory test methods described in Part One, paragraph 5 of this Standard.

Paragraph

Page

1. SCOPE

1.1 PURPOSE

1.2 APPLICATION

1.2.1 BALLISTIC SHOCK DEFINITION

1.2.2 BALLISTIC SHOCK - MOMENTUM EXCHANGE

1.2.3 BALLISTIC SHOCK - PHYSICAL PHENOMENON.

1.3 LIMITATIONS..

2. TAILORING GUIDANCE.

2.1 SELECTING THE BALLISTIC SHOCK METHOD

2.1.1 EFFECTS OF BALLISTIC SHOCK

2.1.2 SEQUENCE AMONG OTHER METHODS.

2.2 SELECTING A PROCEDURE..

2.2.1 PROCEDURE SELECTION CONSIDERATIONS

2.2.2 DIFFERENCE AMONG PROCEDURES..

2.2.2.1 PROCEDURE I - BH&T

2.2.2.2 PROCEDURE II - LSBSS

2.2.2.3 PROCEDURE III - LWSM.

2.2.2.4 PROCEDURE IV - MECHANICAL SHOCK SIMULATOR

2.2.2.5 PROCEDURE V - MWSM

2.2.2.6 PROCEDURE VI - DROP TABLE.

2.3 DETERMINE TEST LEVELS AND CONDITIONS

2.3.1 GENERAL CONSIDERATIONS - TERMINOLOGY.

2.3.2 TEST CONDITIONS - SHOCK SPECTRUM TRANSIENT DURATION AND SCALING

2.3.2.1 MEASURED DATA AVAILABLE FROM BALLISTIC SHOCK.

2.3.2.2 MEASURED DATA NOT AVAILABLE FROM BALLISTIC SHOCK.

2.3.3 BALLISTIC SHOCK QUALIFICATION - PROCEDURE I..

2.3.4 BALLISTIC SHOCK QUALIFICATION - PROCEDURES II THROUGH VI

2.4 TEST ITEM CONFIGURATION

3. INFORMATION REQUIRED.

3.1 PRETEST.

3.2 DURING TEST

3.3 POST-TEST

4. TEST PROCESS

4.1 TEST FACILITY.

4.2 CONTROLS

4.3 TEST INTERRUPTION

4.3.1 INTERRUPTION DUE TO TEST EQUIPMENT MALFUNCTION.

4.3.2 INTERRUPTION DUE TO TEST ITEM OPERATION FAILURE

4.4 INSTRUMENTATION

4.4.1 BALLISTIC SHOCK MEASUREMENT TRANSDUCERS

4.4.2 DATA ACQUISITION INSTRUMENTATION

4.4.2.1 FILTERING AND FREQUENCY RESPONSE..

522.2 CONTENTS - Continued

Paragraph		Page
4.4.2.2	SLEW RATE	14
4.4.2.3	HEADROOM..	14
4.5	DATA ANALYSIS	15
4.6	TEST EXECUTION	15
4.6.1	PREPARATION FOR TEST.	15
4.6.1.1	PRELIMINARY STEPS	15
4.6.1.2	PRETEST CHECKOUT	15
4.6.2	PROCEDURES	16
4.6.2.1	PROCEDURE I-BH&T	16
4.6.2.2	PROCEDURE II - LSBSS	16
4.6.2.3	PROCEDURE III - LWSM.	16
4.6.2.4	PROCEDURE IV - MECHANICAL SHOCK SIMULATOR	17
4.6.2.5	PROCEDURE V - MWSM	17
4.6.2.6	PROCEDURE VI - DROP TABLE	18
5.	ANALYSIS OF RESULTS	18
6.	REFERENCE/RELATED DOCUMENTS.	18
6.1	REFERENCED DOCUMENTS	18
6.2	RELATED DOCUMENTS	18

TABLES

TABLE 522.2-I.	BALLISTIC SHOCK CHARACTERISTICS	4
TABLE 522.2-II.	SRS FUNCTION FOR SHOCK..	9

FIGURES

FIGURE 522.2-1.	SHOCK RESPONSE SPECTRA OF "DEFAULT" BALLISTIC SHOCK LIMITS (TABLES 522.2-I & II)	4
FIGURE 522.2-2.	SHOCK RESPONSE SPECTRA FROM THREE DIFFERENT SENSORS NEEDED TO MEASURE THE ENTIRE SPECTRUM (5 HZ TO 100,000 HZ) OF A BALLISTIC SHOCK EVENT.	12
FIGURE 522.2-3.	FILTER ATTENUATION (CONCEPTUAL, NOT FILTER SPECIFIC)	13
FIGURE 522.2-4.	ILLUSTRATION OF SAMPLING RATES AND OUT OF BAND "FOLD OVER” FREQUENCIES FOR DATA ACQUISITION SYSTEMS	14

MIL-STD-810H

METHOD

522.2 METHOD 522.2

522.2Method 522.2 ballistic shock contents

MIL-STD-810H METHOD

522.2 CONTENTS - Continued

TABLES

FIGURES

MIL-STD-810H

METHOD

522.2 METHOD 522.2

BALLISTIC SHOCK

522.2Method 522.2 ballistic shock contents

MIL-STD-810H METHOD

522.2 CONTENTS - Continued

TABLES

FIGURES

MIL-STD-810H

METHOD

522.2 METHOD 522.2

BALLISTIC SHOCK