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Marine Propulsion Applications, B35:40

Noise measurement

Page 1 : 1

1.08

0315 B/P

OISE

MEASUREMENT

B35:40 L/V
Estimated unsilenced exhaust noise
spectrum from RR B35:40V @ 1,0 m from
edge of the exhaust opening

Estimated Exhaust Noise from Engine
(1/1 octave band)

Estimated unsilenced exhaust noise
spectrum from RR B35:40V @ 1,0 m from
edge of the exhaust opening.

Estimated Exhaust Noise from Engine
(1/3 octave band)

Lp dB(A)

31,5

104

125

113

250

122

500

120

1000

117

2000

113

4000

106

8000

Total

125

Lp dB(A)

12,5

31,5

102

100

109

125

105

160

110

200

115

250

118

315

116

400

115

500

116

630

114

800

113

1000

112

1250

110

1600

108

2000

109

2500

106

3150

104

4000

100

5000

6300

8000

10000

12500

16000

20000

Total

125

Lp dB(A)

Содержание B35:40

Страница 1: ...Ma r i n e P r o j e c t G u i d e B e r g e ne n g i n et y p eB 3 5 4 0G a s...

Страница 2: ...BLANK...

Страница 3: ...o change without notice NOTE The information in this guide is applicable for marine applications only Bergen Engines AS 2018 A Rolls Royce Power Systems Company The information in this document is the...

Страница 4: ...BLANK...

Страница 5: ...Part 2 2 01 Starting and control air system 2 02 Combustion air system 2 03 Exhaust gas system 2 04 Ventilation system 2 05 Fuel gas system 2 06 Cooling water system 2 07 Cooling water quality 2 08 L...

Страница 6: ...BLANK...

Страница 7: ...a strong increase in ignition energy capable of firing such lean mixtures reliably Also a highly efficient turbo charging system is used to take advantage of the possible power increase offered by the...

Страница 8: ...c engine management ensures the operating parameters of the engine are adjusted and optimised in relation to each other The system sets the optimum main and pre chamber gas pressures the AFR air fuel...

Страница 9: ...Gas Technical data Page 1 8 1 02 0611 B TECHNICAL DATA...

Страница 10: ...at engine outlet normal C 90 alarm temp high C 95 shut down temp high C 95 temp rise in engine max C 6 2 incl high temp ca cooler C 10 1 Expansion tank volum single engined l 300 volum multi engined...

Страница 11: ...p at engine outlet normal C 90 alarm temp high C 95 shut down temp high C 95 temp rise in engine max C 5 9 incl high temp ca cooler C 9 7 Expansion tank volum single engined l 300 volum multi engined...

Страница 12: ...ormal C 90 alarm temp high C 95 shut down temp high C 95 temp rise in engine max C 6 2 incl high temp ca cooler C 10 1 Expansion tank volum single engined l 300 volum multi engined l 500 height above...

Страница 13: ...tlet normal C 90 alarm temp high C 95 shut down temp high C 97 temp rise in engine max C 5 5 incl high temp ca cooler C 9 8 Expansion tank volum single engined l 300 volum multi engined l 500 height a...

Страница 14: ...utlet normal C 90 alarm temp high C 95 shut down temp high C 97 temp rise in engine max C 5 8 incl high temp ca cooler C 10 2 Expansion tank volum single engined l 300 volum multi engined l 500 height...

Страница 15: ...C 90 alarm temp high C 95 shut down temp high C 97 temp rise in engine max C 5 8 incl high temp ca cooler C 10 2 Expansion tank volum single engined l 300 volum multi engined l 500 height above engine...

Страница 16: ...C 90 alarm temp high C 95 shut down temp high C 97 temp rise in engine max C 5 8 incl high temp ca cooler C 10 2 Expansion tank volum single engined l 300 volum multi engined l 500 height above engin...

Страница 17: ...Gas Main dimensions Page 1 8 1 03 0611 B MAIN DIMENSIONS...

Страница 18: ...Main dimensions Page 2 8 1 03 Gas 0611 B...

Страница 19: ...1 03 Gas Main dimensions Page 3 8 0611 B...

Страница 20: ...Main dimensions Page 4 8 1 03 Gas 0611 B...

Страница 21: ...1 03 Gas Main dimensions Page 5 8 0611 B...

Страница 22: ...Main dimensions Page 6 8 1 03 Gas 0611 B...

Страница 23: ...1 03 Gas Main dimensions Page 7 8 0611 B...

Страница 24: ...Main dimensions Page 8 8 1 03 Gas 0611 B...

Страница 25: ...ating module inlet Fluctuation in the gas pressure less than 0 5 bar 30 sec is not critical assuming that we still are above the minimum pressure Max permissible heat value fluctuations 0 5 10 minutes...

Страница 26: ...Gas Load limit Page 1 1 1 07 0314 B G LOAD LIMIT Load limit curve B35 40 PG...

Страница 27: ...rum from RR B35 40V 1 0 m from edge of the exhaust opening Estimated Exhaust Noise from Engine 1 3 octave band Hz Lp dB A 31 5 97 63 104 125 113 250 122 500 120 1000 117 2000 113 4000 106 8000 91 Tota...

Страница 28: ...tarting air pressure is lower than 20 bar g For ventilation of exhaust gas system before start of engine see charge air and exhaust gas system Starting air capacity Starting air volume and compressor...

Страница 29: ...rmula m3 where N Required number of starts N 2 Vns Air consumption per start Nm Pmax Max pressure in starting air receiver barg Pmin Min pressure for start barg For multi engine plants with simultaneo...

Страница 30: ...oil mist detector is approx 2 5 Nm3 h Consumption of control air for gas valves and com bustion air throttle control occurs only at start stop of engines with insignificant quantities I P converters i...

Страница 31: ...Starting and control air system Page 4 5 2 01 Gas 0615 BC...

Страница 32: ...2 01 Gas Starting and control air system Page 5 5 0615 BC...

Страница 33: ...It must not be possible for any particles or water droplets to enter the turbochargers compressor At the end of the ducting air intake a fabric filter with a mesh less than 1 mm it must be fitted a t...

Страница 34: ...illation between engines and feedback with carbon build up in engines not running Dimensioning of exhaust pipe and exhaust gas silencer The size of the exhaust pipe and silencer is determined from the...

Страница 35: ...such as waste heat recovery boiler and catalytic converters must have integrated pressure relief devices The size number and positioning of such devices should be verified by calculation or simulatio...

Страница 36: ...ated air However the ventilation duct systems can include dampers to direct the air a bit away from the turbo chargers when operating in cold areas The ventilation fans shall be able to maintain an ov...

Страница 37: ...Exhaust gas system Page 4 5 2 03 Gas 0317 BC...

Страница 38: ...2 03 Gas Exhaust gas system Page 5 5 0317 BC...

Страница 39: ...tuator operated valve tempertature and pressure transmitters and a control panel To protect the fan an electrically operated shut off valve must be installed between the fan and the hot exhaust pipe T...

Страница 40: ...ety precautions Fuel gas may enter the exhaust system through the engine as a result of one or more malfunctions If there is a source of ignition present the gas may become ignited This enforces that...

Страница 41: ...d have a range in concentration in which an explosion can occur and should therefore be treated with care Gas piping system The gas piping system is double walled and therefore of the inherently gas s...

Страница 42: ...lied The need for air conditioning applies regardless of choice of double wall pipe material either stainless steel or black steel grades The recommended solution for conditioning of detection air is...

Страница 43: ...ture Air flows through an intake filter and then through a two stage heat exchanger In the first stage the air is typically cooled down by 10C for condensing water in the 2nd stage the air is heated u...

Страница 44: ...Fuel gas supply system Page 4 4 2 05 Gas 0717 BC...

Страница 45: ...ng water pump on the engine an electrical driv en stand by pump can be supplied It can be started by a pressure sensor on the engine This solution is normally used on single engine applications HT sta...

Страница 46: ...ressure losses in the different coolers the suppliers have to be consulted Thermostatic valves high temperature system In the high temperature cooling water system a thermostatic valve 65HT is being u...

Страница 47: ...le heat and flow different engine loads condition see technical data chapter 1 04 A sepa rate circulating pump for controlling the water flow to the heat recovery unit is required For larger heat reco...

Страница 48: ...Page 4 6 2 06 Gas 1011 BC...

Страница 49: ...2 06 Gas Page 5 6 1011 BC...

Страница 50: ...Page 6 6 2 06 Gas 1011 BC...

Страница 51: ...eat ex changers algae growth inhibitors should be intro duced through the sea chest Table 1 COOLING WATER QUALITY No Item Unit Fresh Water Sea Water Supply Water A B C 1 PH at 25 C 6 to 8 5 8 3 to 10...

Страница 52: ...here the relevant manufacturer should be consulted about the affinity of the products Table 2 Antifreeze and cooling water treatment Product Selection Guide PRODUCT MANUFACTURER Engine Water Treatment...

Страница 53: ...ed 1 0 m s in a suction pipe 1 5 2 0 m s in a pressure pipe Crankcase Venting In internal combustion engines the combustion pressure causes a certain amount of blow by past piston rings into the crank...

Страница 54: ...le manual override which allows the valve to be progressively forced to full cooling position Oil mist detection system For immediate action in case of an overheated main or big end bearing the engine...

Страница 55: ...t of sludge to be removed from the lubr oil is dependant on the engine output and the fuel used Minimum separator booster pump capacity Q k x P l h where k Size factor according to fuel P Maximum Cont...

Страница 56: ...Lubricating oil system Page 4 9 2 08 Gas 0915 BC...

Страница 57: ...2 08 Gas Lubricating oil system Page 5 9 0915 BC...

Страница 58: ...Lubricating oil system Page 6 9 2 08 Gas 0915 BC...

Страница 59: ...2 08 Gas Lubricating oil system Page 7 9 0915 BC...

Страница 60: ...Lubricating oil system Page 8 9 2 08 Gas 0915 BC...

Страница 61: ...2 08 Gas Lubricating oil system Page 9 9 0915 BC...

Страница 62: ...o consideration This implies that only a general guidance can be given by the engine manufacturer to which lubricating oil is suitable for their engines In engines burning fuels of various quality the...

Страница 63: ...s As the oil companies may change their product specifications without previous notice and without changing the products name the information given in the lubricant guide is valid from the stated date...

Страница 64: ...ne speed and load control control of air to fuel ratio Local monitoring on the engine Man Machine Interface MMI Panel with LCD display and touch screen interface indicating according to classifica tio...

Страница 65: ...art failures Start stop of priming pump lubrication Start stop of pre heater pump Start stop of after cooling pump Standby pump functions if applicable Interface to propeller control PMS and electroni...

Страница 66: ...in gas pressure control valve Set point based on BMEP and speed Throttle position Controlled by 4 20mA signal to position actuator control Set point based on BMEP and speed Position feedback to verify...

Страница 67: ...r speed if engine speed goes above given set point the engine will shutdown This alarm has triple protection as overspeed is also monitored in the governor and ignition system Low lubrication oil pres...

Страница 68: ...l be located on the engine as well as in the ECC for interfacing the signals to and from external sources as propeller control PMS This will reduce the amount of cabling and the length of the signal c...

Страница 69: ...le to the operator through the Profinet field bus Such values can be rack load deviation and data from the speed governor indicating the behav iour of the engine Client communication Communication to...

Страница 70: ...3 02 Gas Safety Control and Monitoring System Page 7 9 0211 BC...

Страница 71: ...Autostop step up gear DO Ready for fifi engine running DO Hour counting ECC RREB Running status signal DO Main switch board ECC RREB Breaker status signal DO Auxiliary Generator control ECC RREB Grid...

Страница 72: ...nterlock Lamp test Connector for tuning of speed controller Connector for PLC Emergency stop optional Load sharing panel conv propulsion only This panel is used for two engines running on a twin input...

Страница 73: ...lywheel sense 180 holes and a reset pulse for the most advanced firing point and thus determining the correct angular position to release the ignition according to the firing order The pick up on the...

Страница 74: ...ate instructions 806 7301 Exhaust manifold bellows 5 807 7301 Exhaust manifold insulation 5 808 b Turbocharger VTG Variable Turbine Geometry Wastegate See separate instructions 9 COOLING WATER C S W O...

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