1 settembre 2014 - Jonathan Project

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ISSN 1825-6155 - Bimestrale - Anno X - Poste Italiane Spa - Spedizione in abbonamento postale - D.L. 353/2003 (conv. in L. 27/02/2004 n. 46) art. 1, comma 1, DCB Milano
Organo ufficiale ASPRONADI - Associazione Progettisti Nautica Diporto
MARINE TECHNOLOGIES, ENGINES & EQUIPMENTS
VOLVO PENTA IPS 900 Power showoff
Encounters
Franco Romani,
Chief Designer
of Perini Navi
4
set2014
Technology
Distribution
of the audio video
signals on board
Safety
A “healthy”
environmental
conscience
Market
The bridge
between East
and West
SUMMARYSEPTEMBER 2014
12
AB VOLVO PENTA
SEDE ITALIANA
Strada Statale
del Sempione 197
20016 Pero MI
C.F. e R.I. 97487590156
P. IVA 06098440966
Tel. 0248430.1
Fax 0245716003
Email: info.vpi@volvo.com
5
EDITORIAL
A PERFECT OPPORTUNITY
30
Edoardo Napodano
8
10
NEWS
YARDS, COMPANIES,
TERRITORY
PORTS&MARINAS
THE MOORINGS
OF THE “SERENISSIMA”
Laura Neuwirth Lazzerini
35
TOYS
A TENDER FOR EVERY NEED
Maria Luisa Romiti
15
TECHNOLOGY
DISTRIBUTION OF THE AUDIO
VIDEO SIGNALS ON BOARD
Laura Neuwirth Lazzerini
18
DESIGN
STATISTICAL ANALYSIS
AS A GUIDE
FOR OPTIMISING HULLS
SEPTEMBER 2014
Daniele Bruno
2
21
24
FIXED POINTS
40
Valentina Solera
CREW
SOMETHING NEW
ON THE HORIZON
Beppe Vellutini
42
FOCUS
INBOARD, INBOARD-OUTBOARD
ENGINE AND HYDROJET CRAFT
Silvia Chiarito
44
BAGLIETTO THE DYNASTY
OF ITALIAN YACHTING
Francesco Fiorentino
47
DESIGN
THE OIL EATER
Paolo Ferrari
50
Francesco Fiorentino
MARKET REPORT
THE BRIDGE BETWEEN
EAST AND WEST
COVER STORY
IPS 900
POWER UNDER CONTROL
Luigi Magliari Galante
Federica Ameglio
12
MEGAYACHT
85 METRES OF STRENGTH
AND GRACEFULNESS
SAFETY
A “HEALTHY”
ENVIRONMENTAL CONSCIENCE
Massimo Vita
54
REFITTING
THE NEW FY52’
By our staff
35
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MARINE TECHNOLOGIES, ENGINES & EQUIPMENTS
Casa Editrice
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Direttore editoriale: Edoardo Napodano
56
CLOSE-UP
RESEARCH AND INNOVATION
Pietro Angelini
58
SAILTECH
FRANCO ROMANI
CHIEF DESIGNER OF PERINI NAVI
Giuliano Luzzatto
62
66
NEW PRODUCTS
CNA COLUMN
EVOLUTION OF CONSTRUCTION
By the Association
67
UCINA
54TH GENOA
INTERNATIONAL BOAT SHOW
By the Promotion Area
68
TRAINING
LET’S SAIL!
Arianna Bionda – Andrea Ratti
69
YACHTING & TAX
YACHT LEASING CONTRACTS
Giada Fruzzetti – Ezio Vannucci
70
72
ATENA
THE VALUE OF AN ASSOCIATION
76
A NEW MULTIDISCIPLINARY
RESEARCH TEAM
FROM ARCHIMEDES’ SCREW
TO THE PRESENT DAY
Paolo Frandoli
Enrico Ravina, Cesare Mario Rizzo, Michele Viviani
DITEN, Scuola Politecnica, Università degli Studi di Genova
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Martucci, Stefano Pagani, Andrea Ratti, Massimo Musio Sale,
Giuseppe Sfondrini, MaurizioTestuzza, EzioVannucci.
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SEPTEMBER 2014
N˚4 – Anno X –September 2014
Direzione, redazione, abbonamenti,
amministrazione e pubblicità:
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DESIGN
THE OIL EATER
Paolo Ferrari
T
he idea came from observing the emergency measures put
into practice first on the Lambro river after the Lombarda Petroli spill in February 2010, and then in the Gulf of Mexico after the explosion on the “Deepwater Horizon” platform in April
of the same year. In the Gulf of Mexico only 3% of the oil was
recovered, half was dissolved with solvents and a lot was burned on the surface of the water, producing a lot of huge toxic clouds. The methods used for the clear-up were expensive
and ineffective. The interventions, most of them useless, used
gigantic equipment such as the ship “A Whale” and there were even attempts to clean up with tubes and pumps directly
on the surface of the water.
SEPTEMBER 2014
Increasingly often, vast
patches of oil are sighted at
sea, and are often caused by
the washing of the holds of
big ships, completely against
the regulations, or even by the
breakage of pipelines and oil
refining plant, as happened
recently in the Gulf of Mexico
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1
DESIGN
1 The S.O.S. model for
emergencies lowered
from a ship
2 The basic OilKiller in
operation
3 A final prototype tested in
theTrieste test tank
4 Tug with line operated
OilPatrol model in action
The origin
SEPTEMBER 2014
Credit for the invention goes to the engineer Luigi Perrella who,
after creating a scale prototype, submitted the idea and the device
to the engineer Igor Zotti, ordinary Prof of naval architecture and
engineering and director of the hydrodynamic tank of the Trieste
Università degli Studi. Prof Zotti validated the idea and followed the
first tank tests: the result was promising, but needed refinement
because successful operation was closely linked to optimising
the design of a shape which, with a certain trim and relative
motion, gathered and conveyed the surface of the water in the
way expected. In September 2010 the Ufficio Studi e PatLib of the
Trieste Area Science Park finished the pre-patent research aimed
at filing a patent request which was deposited by the engineer
Perrella. In June 2011 Perrella presented his business idea to the
Technical Committee of Innovation Factory, the first mile incubator
of Area Science Park, and it had a positive reception. The idea
thus became “a development group selected and supported by
Innovation Factory as part of the SpinAREA programme”: from this
came the innovative start-up “The Jonathan Project”: S.r.l. whit
the financing received from Sardegna Ricerche in compliance whit
Sardenian Regional Funding.
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2
The state of the art
Flexible oil collector
To remove floating oil you have to do operate with devices that work
at a fixed point: they are lowered from a ship by a crane and, once on
the surface of the water, suck up what is on the surface, including pollutants, remaining fixed where they are. About a quarter of a mass of
oil that ends up in the sea evaporates in the first week, another part
sinks, another part emulsifies under the effect of waves and the rest
tends to form a film that gets increasingly thin until it is only a fraction
of 1000th of a millimetre thick. Every time a ship crosses the film, it separates and opens under the effect of the bow wave, making it impossible to recover the oil in the immediate vicinity of the ship. Spilled hydrocarbons can thus only be partly removed, but 3% of the oil
spilled in the sea and then recovered in the Gulf of Mexico seems in
any case too little. The most advanced technological methods require staying in the middle of the oil spill so as to lower skimmers to remove the film of oil from a fixed point on the surface, and so rapidly
create an area where the pollutant has been removed; it is then necessary to move the support ship to a new point, where the film is
still present and compact, to continue cleaning up there and so on.
This cumbersome process involves repeated recovery of the skimmer
with a crane, resting it on the deck of the ship, moving the ship, lowering the skimmer again with the crane and continuing the clean-up.
It’s immediately clear that this system has some structural problems.
From this, came the idea of a mobile device that could move autonomously, crossing the oil spill, to filter the surface of the water along its
course and send the mixture of water and oil to separation and storage systems.
FLOC is a kind of flat funnel whose form is designed to intercept
and gather pollutants floating on a mass of water. Various models
have been produced, designed using the most powerful software
in the fluid dynamics sector and tested in the hydrodynamic tank
of Trieste University.
FLOC’s main characteristics are:
• a mouth projecting underwater to capture the surface film of the
liquid mass;
• a suitable shape, with a forward point and a broad lateral section;
• a balanced internal flow;
• a device to separate the water surface from the liquid underneath;
• a depth discharge with an extractor to expel excess water;
• an area for accumulating surface water and pollutants.
The assembly of the filtering system with its guiding structure creates a
vessel which, instead of a sharp bow for opening up the water surface,
has a mouth that swallows it. This characteristic means a large quantity
of water is taken in together with the film of pollutant floating on it. The
shape of FLOC is designed to concentrate pollutants at the stern and
deviate excess water, which is heavier than oil, through a depth discharge. The film containing the pollutants is sent to a separation and storage system that is thoroughly innovative and is currently being patented.
Development
The analysis and redefinition of the shape of FLOC, and the definition and design of the entire vessel, were entrusted to the NavalHEAD company in Olbia, an engineering company specialising in the
4
design of naval and nautical vessels with a high technological content. It is currently engaged in optimising the hydrodynamics of the
mouth of the FLOC funnel to maximise the quantity of oil recovered.
This optimisation makes use of the most advanced computer fluid
dynamics techniques on the market. Then will follow the executive
design of the support vessel in which FLOC can be suitably integrated, evaluating its hydrodynamic performance and conformity to regulations and environmental impact. The OilKiller vessel is expected
to be completely electric, and so with zero emissions. To ensure a
suitable range NavalHEAD is studying specific hull shapes that can
move with very low power, at the same time ensuring the integration of the FLOC funnel without affecting the efficiency of its recovery action, thus allowing water clean-up operations even with moderate seas running.
The range
The shape of FLOC can be scaled and can thus be adapted to vessels designed for different contexts. The first product to come from this
project will be “TJP OilKiller” the device financed from Sardenian Regional Funding. This will be a powered vessel piloted by an operator
that can eliminate even the smallest patches of hydrocarbons present
in the water; it has a tank with a load autonomy of hundreds of hours. It
is completely electric, thanks to latest generation motors, and has batteries giving eight hours of navigation with a safety reserve of two, without any emission of pollutants, and so perfectly in line with the purpose for which it was designed. This first version of the vessel is of a
size that permits clean-up and maintenance operations in smaller are-
THE SHAPE OF
FLOC IS DESIGNED
TO CONCENTRATE
POLLUTANTS AT THE
STERN AND DEVIATE
EXCESS WATER
as the larger version of OilKiller, “TJP OilPatrol”, will have as
its reference market emergency, maintenance and cleanup operations in the open sea
and will be able to carry out
maintenance, monitoring and
alarm activities in specific industrial areas that are typically at risk. The
distinctive and exclusive characteristics of TJP Oil Patrol are obviously superior to those of the earlier model and, in particular, will offer exclusive lead the use of electrical energy accumulated in special batteries, the ability to measure the level of charge of the batteries and recharge them by induction, automatic navigation with GPS, a course
set from the console and cyclical coverage of the area. It will also carry out a continuous analysis of the state of health of the water and will
autonomously send data to a server; it will continuously filter surface
water and store any pollutants in the filter bag. From the safety at sea
point of view, TJP Oil Patrol will use radio frequencies for location by
other ships and a system for recognising unforeseen objects and imposing a safe course to avoid them; it will also be equipped with software for automatic implementation of emergency programmes in the
event of spills, hardware (ultraviolet lights and special video cameras)
for identifying and cleaning up isolated patches of hydrocarbons, a
system for automatically ending the state of alert and returning to the
programmed cycle in the working area. It will also be able to re-place
automatically a saturated filter bag and will be certified to operate in
industrial oil areas at risk. Defined industrial areas means the water
around oil terminal areas where hydrocarbons are loaded and unloaded, water off coastal refineries where there are oil terminals, plant for
the transport and processing of hydrocarbons, coastal deposits, water around offshore platforms for drilling and/or extraction where there
are oil terminals, drilling planned and oil extraction plant. OilPatrol is
about 2 m in the beam, has a structure in inflated tubes that ensures
resistance to impact, can also operate sliding against peers and quays,
has separation and storage systems, its operating speed is about one
quarter to half a knot (930 – 1.860 m²/h), and has a capacity of 18.6
– 37.2 m³/h of mixture. Its efficiency is maximised by continual operation 24 hours a day, thanks to the reserves of energy stored in lithium
batteries with an automatic recharging system, it produces no pollutants either in air or in water or noise pollution, has all the subsystems
needed for operation, is completely automatic, has a computerised piloting system, is located by GPS, monitors the sea state and automatically adjusts the depth of its mouth. OilPatrol has a system for controlling the charge of the batteries, and automatic system for induction
recharging, an operational area defined by a computerised map and
a system for analysing and recording the state of health of the water. It
has a system that monitors operational efficiency, a radio remapping
system for extraordinary events, and infrared system for self steering
towards and through polluted areas; it is equipped with distance sensors and radio transmitters warning of its presence, light signals and
acoustic alarms, a programme for rapid steering away from collision
courses, a system for real-time transmission of all data acquired, a device for automatically checking the state of saturation of the filters and
a control and command console on land.
SEPTEMBER 2014
3
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