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A View From Above: Robert Saia Pratt & Whitney

April 06, 2010 / 13:41

This episode covers commercial product development in aviation, focusing on Pratt & Whitney's geared turbo fan technology, fuel efficiency, and environmental impact.

The discussion features insights from a Pratt & Whitney representative about the challenges faced by the airline industry, including economic turmoil, high operating costs, and the need for improved fuel efficiency.

Key topics include advancements in engine technology, specifically geared architecture that enhances performance while reducing emissions and noise. The representative explains how this technology can lead to significant improvements in fuel consumption and overall operating costs.

The episode highlights the introduction of new engines for aircraft such as the Bombardier C Series and a regional jet from Mitsubishi, emphasizing the importance of these developments for the future of commercial aviation.

Listeners learn about the impact of environmental regulations and fuel prices on the airline industry, as well as Pratt & Whitney's commitment to lowering operating costs for airlines through innovative engineering solutions.

TL;DR

Pratt & Whitney discusses advancements in geared turbo fan technology for improved fuel efficiency and reduced emissions in commercial aviation.

Episode

13:41
00:00:18
so I'm responsible for commercial you
00:00:21
for commercial product development and
00:00:22
it's really and in the commercial uh
00:00:25
segment that I deal with is 70 pass 70
00:00:28
passengers up to to the 5 to 600
00:00:31
passengers so it's really all large uh
00:00:34
commercial
00:00:35
airliners and so my my Prime
00:00:38
responsibility is technology de
00:00:41
development and Readiness how that
00:00:44
interfaces into product uh development
00:00:47
and product uh product uh configuration
00:00:51
or offerings as the airplane companies
00:00:55
develop new products for this next
00:00:58
generation of aircraft
00:01:02
well as you know uh the airline industry
00:01:05
is under a lot a lot of economic turmoil
00:01:08
you know airlines are losing money
00:01:10
there's an overc capacity uh that's
00:01:12
driving low low C cost a low um air fars
00:01:17
and there's very high cost High labor
00:01:20
costs High product acquisition cost and
00:01:24
certainly High fuel price so as we're
00:01:27
looking at the next 2 to three years
00:01:29
with Industries the oems are trying to
00:01:31
do is improve product performance and
00:01:35
capabilities like fuel or environmental
00:01:37
factors without increasing cost so we
00:01:40
can lower the airline overall operating
00:01:46
cost you're right I mean we have made
00:01:49
some significant gains over the last 20
00:01:51
years if if you looked at commercial jet
00:01:53
line you know passenger jetliner 20
00:01:56
years ago and the engines that powered
00:01:58
that product vers versus what we've done
00:02:00
today the airplane itself has improved
00:02:03
by 20 20 to 25% in overall fuel
00:02:08
efficiency The Bu bulk of that coming uh
00:02:11
from the engine uh because of engine
00:02:15
efficiency but and key characteristics
00:02:18
are looking for thing know developing
00:02:20
technologies that lower
00:02:23
weight improve the uh the power
00:02:26
efficiency we call it the propulsive
00:02:27
efficiency of how an engine takes air
00:02:30
and Fuel and converts that into power so
00:02:32
it can be uh using new
00:02:35
aerodynamic features using lighter
00:02:39
weight materials that have more
00:02:42
temperature capability or heat
00:02:44
capability so the engine becomes more
00:02:46
efficient as it uses fuel or heat to
00:02:50
produce power and at the same time
00:02:53
looking at emissions you know un
00:02:56
unburned carbon uh participants are um
00:03:00
fuel particles that or fuel emissions in
00:03:03
terms of how the quality of air leaving
00:03:05
the engine so so I find uh Prime Focus
00:03:09
over the last 10 or 20 years have been
00:03:11
making engines more fuel efficient by
00:03:13
making them larger improving the overall
00:03:16
AER aerodynamics of an engine going
00:03:20
forward as we look at Future uh engine
00:03:23
uh features or our Technologies it's how
00:03:26
do we make a paradigm shift in
00:03:29
leveraging technology to create that
00:03:31
step function Improvement and one of the
00:03:34
one of the areas that I've been involved
00:03:35
in over the last several years at Pratt
00:03:38
is working what we call a geared
00:03:40
architecture that tries to work on some
00:03:42
Innovative physics to make that step
00:03:45
change versus continuing to to work in
00:03:48
fine-tune um you know what I'll say
00:03:51
sharpening the pencil to make small
00:03:53
incremental
00:03:58
improvements so over the last last
00:03:59
several years where Pratt Whitney has
00:04:01
really been focusing on is introducing
00:04:03
this geared turbo fan and the and what
00:04:06
we do is we introduce a gear between the
00:04:10
first compressor that we call a fan and
00:04:13
the power turbine that drives that fan
00:04:16
and the and the key benefit of this
00:04:20
introducing this gear is that these fans
00:04:22
are quite large they can be anywhere
00:04:24
from six to eight feet in diameter so
00:04:26
they're lodged they Lo they move a lot
00:04:28
of air
00:04:30
and they can also be very heavy because
00:04:32
of the their size now with with an
00:04:35
introduction of a gear instead of the
00:04:38
fan moving one revolution for every
00:04:41
revolution in the turban we can now have
00:04:43
the fan move one revolution for every
00:04:46
three Revolutions in the turban so we so
00:04:49
we change the Paradigm of how the fan
00:04:53
and is connected to that power turbine
00:04:56
so we can make the fan turn a lot slower
00:04:58
now for a given turb turbine
00:05:01
speed we can improve the efficiency of
00:05:03
the turbine by it turning now much
00:05:05
faster than what a
00:05:06
conventional um engine architecture
00:05:09
would be and at the and as we're doing
00:05:12
that we make the efficiency of the
00:05:14
engine double digit better so where we
00:05:18
would normally introduce technology to
00:05:20
improve fuel consumption by some amount
00:05:23
by introducing the gear with those same
00:05:25
series of Technologies we can almost
00:05:28
double the effect efficiency Improvement
00:05:30
of the engine for things like fuel
00:05:33
consumption
00:05:34
emissions and even the operating cost or
00:05:37
the maintenance cost of keeping that
00:05:39
engine in service it will do say 15%
00:05:42
reduction in fuel consumption so it's
00:05:44
not half in fuel but it's a significant
00:05:46
amount most most um generate uh most
00:05:50
product improvements from generation to
00:05:51
generation improve fuel consumption 5 to
00:05:56
6% and our next step with the
00:05:58
introduction of of a gear we're doing 12
00:06:01
to 15% so we basically skip a generation
00:06:05
but the other key factor here is with
00:06:06
this gear because this fan is a key
00:06:09
source for engine noise we drop engine
00:06:12
noise
00:06:14
50% and with combuster technology we
00:06:18
drop
00:06:19
emissions emission Levels by
00:06:22
50% so a significant
00:06:25
step for the a for this change and I'll
00:06:29
say overall engine architecture we're
00:06:30
now in product development of our first
00:06:32
two models that we launched in 2007 and
00:06:36
they will go the first will go into
00:06:38
service at the end of
00:06:40
2013 the second will follow just a few
00:06:42
months later um so the first product
00:06:46
will be on the Bombardier C Series which
00:06:48
is 110 to 150 passenger type aircraft uh
00:06:54
jetliner and the second model is
00:06:56
powering a new Regional Jet done by uh
00:06:59
Mitch iishi in Japan that will be
00:07:02
powering 70 to 90
00:07:05
passengers and uh so was was certainly
00:07:07
very excited because this is uh a major
00:07:10
a major step for the industry in terms
00:07:12
of how we're driving our technology to
00:07:15
lower you know Airline operator uh
00:07:18
operating
00:07:22
cost today we're focusing on new product
00:07:25
certainly you could take this technology
00:07:27
and retrofit an existing airplane but
00:07:31
from the business economics that makes
00:07:33
it very difficult you know because of of
00:07:35
the uh amount of of uh cost it takes to
00:07:38
develop a product what really makes most
00:07:41
sense is if you're going to retrofit is
00:07:44
retrofit into an existing airplane
00:07:46
that's still in produ serial production
00:07:49
so that you might do some of the
00:07:51
existing Fleet if that makes sense but
00:07:54
more importantly you're putting it on
00:07:55
brand new equipment that's being
00:07:57
purchased so you don't have the cost
00:08:00
associated with removing a current
00:08:02
engine and then having to modify the
00:08:05
aircraft to allow the new engine to be
00:08:07
suitable and and sometimes those costs
00:08:10
will
00:08:11
overpower the the fuel efficiency or the
00:08:13
value of making the change because the
00:08:16
air the aircraft already is aged if you
00:08:18
have an automobile that's that's 10
00:08:19
years old but you could go put a Hybrid
00:08:21
engine in it and save a lot of fuel if
00:08:25
you're only going to keep that engine
00:08:26
that automobile for 5 years you'll never
00:08:29
get the resale value for making that big
00:08:31
a change that big of investment for
00:08:34
changing the engine but if you've got an
00:08:37
automobile like some a some companies do
00:08:39
today that are already in production
00:08:40
with gas engines and now they've
00:08:43
introduced that Hybrid engine for new uh
00:08:47
for new automobiles for new uh customer
00:08:50
purchases and as you put it into that
00:08:52
existing
00:08:54
airframe that's a brand new air a brand
00:08:56
new automobile that's going to be uh
00:08:58
used for the next 15 to 20 years right
00:09:01
so you get full value of that investment
00:09:04
because you're buying it new so that's
00:09:06
how we're trying to leverage uh this
00:09:08
Tech this geared technology as to what
00:09:10
our next our next uh platform our next
00:09:14
business opportunity would
00:09:18
be you know as I said earlier the the
00:09:21
industry the the whole airline industry
00:09:23
is struggling because low airf fars high
00:09:27
cost um and and with some of the
00:09:30
economic pressures that the
00:09:32
environment's bringing them like today
00:09:33
we have pretty high Sur taxes on
00:09:37
airplanes for a landing and takeoff for
00:09:39
either noise or nitrix
00:09:42
oxide future because of all the focus on
00:09:45
global warming many uh government
00:09:48
communities are looking at charging for
00:09:51
the amount of carbon emissions and and
00:09:53
they're talking like today a a typical
00:09:55
gallon of jet fuel is about $2 a gallon
00:10:00
and and as they're looking at what that
00:10:01
Sur tax could be for carbon emissions
00:10:06
they're talking in the order of 30 to 60
00:10:10
cents a gallon as a Sur tax for
00:10:14
operating that equipment and say in a
00:10:15
given a given European country so when
00:10:18
you look at that added cost on today's
00:10:20
already stressed Airline Community it's
00:10:23
hard for these companies to compete and
00:10:27
still um be profitable you know at the
00:10:30
bottom line so one of the challenges
00:10:32
that we have certainly a company like
00:10:34
Pratt Whitney is as we're bringing
00:10:37
technology that typically cost us more
00:10:40
cost a lot to develop and it costs us
00:10:42
more to produce as we're manufacturing
00:10:44
our engines is how do we do that smartly
00:10:48
so that as we're offering this new
00:10:50
engine or this new product to the
00:10:52
airline community that we're really
00:10:54
dropping their overall cost of ownership
00:10:57
or operation of our engine so like with
00:11:00
this new geared architecture if I look
00:11:02
at today's Workhorse engines that power
00:11:05
the the 100 to
00:11:07
250 passenger Market as we introduce
00:11:11
this new geared engine you know we
00:11:13
improve fuel consumption
00:11:15
15% we drop this nitrix oxide by
00:11:20
50% we drop Noise by
00:11:24
50% and we'll also drop carbon related
00:11:28
emissions
00:11:29
by 15 to 20% because it's you know for
00:11:32
every gallon of fuel that an engine
00:11:35
consumes it produces 20 lbs of carbon
00:11:40
monoxide so so a fair Fairly large
00:11:44
influence on the impact on um the the
00:11:47
carbon emissions that one's producing so
00:11:50
as we look at what does this new
00:11:52
architecture provide our Target was to
00:11:55
lower overall engine operating cost at
00:11:57
the airline level by 20% and today with
00:12:01
the technology work that we've done in
00:12:02
the engine demonstrator that we just
00:12:04
completed we're approaching actually
00:12:07
25% cost reduction that's the challenge
00:12:10
we have as an oem to really Drive value
00:12:13
to our to our you know End customer
00:12:15
we're selling World worldwide we're
00:12:17
selling right now we're on two two
00:12:19
platforms that that Bombardier and and
00:12:22
MIT Bish are actively uh uh campaigning
00:12:25
or marketing their equipment and we hope
00:12:28
that Within in the next several years
00:12:30
the two major oems uh Airbus and Boeing
00:12:34
will also be uh pursuing new product and
00:12:38
gives us an opportunity to leverage our
00:12:39
new geared architecture on those
00:12:41
platforms certainly the the focus on
00:12:44
global warming and this the s c tax or
00:12:47
SE charge for the amount of carbons in
00:12:51
that an airline operator will emit in
00:12:54
that in that country that's a key
00:12:56
element and I think the other element is
00:12:58
the uncertainty in what's the cost of
00:13:00
fuel you know it's today it's it's in
00:13:03
that two $2 to $2.50 per gallon not that
00:13:07
long ago about 15 months ago or 18
00:13:10
months ago you we were at 350 a gallon
00:13:13
so the real question becomes as fuel
00:13:15
starts to creep above you know $1 $100 a
00:13:19
barrel or $150 a barrel that has a very
00:13:23
significant uh impact on an airline
00:13:26
operating
00:13:27
cost

Badges

This episode stands out for the following:

  • 60
    Best concept / idea

Episode Highlights

  • Innovative Engine Technology
    Introducing geared architecture to significantly improve engine efficiency and reduce emissions.
    “We’re introducing a gear to improve efficiency.”
    @ 03m 40s
    April 06, 2010
  • Environmental Impact
    New engine designs aim to lower emissions and operating costs for airlines.
    “We drop engine noise 50%.”
    @ 06m 12s
    April 06, 2010
  • Cost Reduction Goals
    Targeting a 25% reduction in overall engine operating costs for airlines.
    “We’re approaching 25% cost reduction.”
    @ 12m 07s
    April 06, 2010

Episode Quotes

  • We can lower the airline overall operating cost.
    A View From Above: Robert Saia Pratt & Whitney
  • We’re introducing a gear to improve efficiency.
    A View From Above: Robert Saia Pratt & Whitney
  • We drop engine noise 50%.
    A View From Above: Robert Saia Pratt & Whitney
  • We’re approaching 25% cost reduction.
    A View From Above: Robert Saia Pratt & Whitney

Key Moments

  • Commercial Development00:18
  • Economic Turmoil01:05
  • Fuel Efficiency Gains01:49
  • Geared Architecture03:40
  • Cost Challenges10:34
  • Emission Reductions11:20

Words per Minute Over Time

Vibes Breakdown

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