KARI PROPRIETARY
Request For Proposal
for
Acoustic Testing at KARI Chamber
October 2014
Space Environment Test Team
Korea Aerospace Research Institute
169-84 Gwahangno, Yuseong-gu, Daejeon, 305-806, KOREA
Phone : 82(42)860-2562, Fax : 82(42)860-2234
KARI PROPRIETARY
Request For Proposal
for
Acoustic Testing at KARI Chamber
IMPORTANT
1. This RFP should be kept in confidentiality and should neither
be copied nor distributed to the third parties.
2. The questions and opinions on this RFP can be asked or
suggested to Korea Aerospace Research Institute before
submission of the proposal.
3. This RFP should be returned to Korea Aerospace Research
Institute with bidder
’s proposal.
4. This RFP shall be legal bind after the contract is awarded
unless the bidder explicitly expresses the differences from the
RFP in the compliance sheet.
October 2014
Space Environment Test Team
Korea Aerospace Research Institute
169-84 Gwahangno, Yuseong-gu
DAEJEON, 305-806, KOREA
Phone : 82(42)860-2562, FAX : 82(42)860-2234
e-mail :acoust@kari.re.kr
2014. 10
i
Space Environment Test Dept.
Table of Contents
I.
OVERVIEW ............................................................................................................................. 2
1.
OVERVIEW OF THE PROJECT ..................................................................................................... 2
2.
REQUISITES OF PARTICIPANTS .................................................................................................. 2
3.
SCOPE OF THE CONTRACT ........................................................................................................ 2
II.
TECHNICAL REQUIREMENTS ...................................................................................... 3
1.
TOTAL SYSTEM CONFIGURATION ............................................................................................. 3
2.
REQUIREMENTS FOR ACOUSTIC TESTING ................................................................................. 4
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Acoustic testing at KARI Chamber
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Space Environment Test Dept.
I. OVERVIEW
1. Overview of the project
1.1
Korea Aerospace Research Institute
(hereinafter referred to as “KARI”) is located
at Daeduk Research Complex, 140 km south of Seoul.
1.2
KARI has a satellite assembly, integration and test center (hereinafter referred to
as “AITC”) for joint use by corporations and research institutes for the purpose of
the effective development of domestic satellites. And basic facilities and
equipment for satellite assembly and test have been supplied, installed and used.
1.3
The purposes of this project is to perform the acoustic test with acoustic source of
contractor in KARI acoustic chamber system.
1.4
All the descriptions in this RFP are minimum requirements and the supplier can
suggest the better one to improve the overall performance and cost. But in this
case, the proposal should clearly indicate the improve
ments from KARI’s
requirements.
2. Requisites of participants
2.1
The participants shall also have experience of manufacturing, integration,
installation and operation for acoustic chamber of over 1,000m3.
3. Scope of the contract
3.1
The Contract shall supply the following;
Perform acoustic testing in KARI with specified test spectrum
Supply the acoustic test report
Supply the facility safety logic
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Space Environment Test Dept.
II. Technical Requirements
1. Total System configuration
The size of KARI acoustic chamber is volume of 1,200m3 .Two acoustic sources are
equipped in chamber to generate the high intensity acoustic test. For the low frequency
excitation, WAS 3000 is installed on the 25Hz acoustic horn.
Figure 1 KARI Acoustic Chamber
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Space Environment Test Dept.
2. Requirements for acoustic testing
2.1 KARI interface requirements for acoustic testing
-
Contractor shall supply the required all interfaces to perform the acoustic
testing with acoustic source of contractor.
-
KARI don’t supply the additional interface or modification of facility to
contractor.
-
Contractor shall send the acoustic engineers to perform the acoustic test with
KARI engineers.
GN2 flow rate supplied to acoustic source : Max. 2.5kg/sec at 2 bar
Electrical power : 220 Volts
Acoustic chamber volume : 1,200m3
Amplifier of WAS 3000 & Interface [Refer to Figure 2 ]
Acoustic horn and pipe interface [Refer to Figure 3]
Acoustic controller : KARI software & M+P controller
Figure 2 Amplifier of WAS 3000 & Interface
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Space Environment Test Dept.
Figure 3 Acoustic horn and pipe interface
2.2 Acoustic testing requirements
-
With the acoustic source of contractor, contractor shall perform the acoustic
test in KARI site and show the satisfaction of the test spectrum within the
tolerance defined in Table 1.
-
Contractor shall install the acoustic source and interface
-
Contractor shall use the Low & High frequency sources
-
KARI engineer shall perform the acoustic control under the participation of
engineer of contractor
-
Performance test period is 4 days in KARI
-
Acoustic test shall be performed until 20th of February of 2015.
-
After finishing the acoustic test, contractor shall supply the test report
Figure 4. Acoustic spectrum [1/3 octave band]
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Space Environment Test Dept.
Table 1 Acoustic test requirement for spectrum and tolerance at KARI Chamber
2.3 Logical diagram for safety system
-
Contract shall supply the logical diagram for safety on KARI vibration facility
-
After analyzing the KARI facility components, make a logical diagram for safe
testing
2.4 Deliverable items
Acoustic test report
Logical diagram for safety system
25
132
+3/-3
31.5
139
+3/-3
40
140
+3/-3
50
143
+3/-3
63
145
+3/-3
80
144.5
+3/-3
100
144.4
+3/-3
125
144.3
+3/-3
160
144.2
+3/-3
200
144
+3/-3
250
143.5
+3/-3
315
144
+3/-3
400
143
+3/-3
500
141
+3/-3
630
139
+3/-3
800
138
+3/-3
1000
137
+3/-3
1250
136
+3/-3
1600
134
+3/-3
2000
132
+3/-3
2500
131
+3/-3
OVSPL
155
+1/-3
Test Spectrum
Tolerance
1/3 Freq (Hz)
