Sentences with phrase «stable equilibrium state»

The most common ideas are that climate is in a stable equilibrium state or — alternatively — that warming is superimposed over a state of periodic climate change.

What is somewhat unsettling here is the lack of apparent negative feedbacks that would lead to a new stable equilibrium state.

In physics, bistability means a system which exists in two stable equilibrium states, when all particles in a system are at rest and the total force on each particle is permanently zero.

Not exact matches

Elevated levels of Nanog are also associated with a reduced probability of differentiation leading to the suggestion that ES cells exist in equilibrium between a stable self - renewing, ICM - like state referred to as the «ground state» and a transient metastable intermediate that is both able to revert to the self - renewing state or proceed into differentiation [8], [11], [47].

We venture into a period when we may even need to fight for the survival of the human race on a planet whose equilibrium may have already been perturbed beyond return to a stable state for our existence.

This necessity would not apply to a climate in a metastable state capable of settling into two different stable equilibria if slightly perturbed.

It doesn't take a lot of knowledge of physics to understand the second law of thermodynamics and how a system with a thermal gradient can never be in a state of global, stable, «energy equilibrium» (whatever the hell that means) unless it violates it.

This could be cleaned up a bit, but it shows that isothermal is indeed the stable, equilibrium state.

Sadly, you have to deal with me — an ignoramus who stubbornly persists in thinking that thermodynamic equilibrium is an isothermal state in spite of the fact that you know that nearly every physics textbook on the subject states otherwise and has numerous examples of how physical forces can sort things like gas molecules into stable sub-reservoirs at different temperatures.

``... the point is that a stable thermal equilibrium of an isolated ideal gas with a lapse rate violates the second law of thermodynamics... the zeroth law clearly states that the two locations (with different temperatures) are not in thermal equilibrium.»

What it tells us about how they get shared around is that the state of maximum entropy, the stable thermodynamic equilibrium, is the state where the internal energy of the system is no longer available for doing work.

Even though I can't imagine gravity functioning as a Maxwell Demon, even though Caballero in section 2.17 both states and leaves as a student exercise the proof that the thermodynamic equilibrium state of a vertical column of gas is isothermal, there has been a lot of confusion and strange assertions about a gas arriving at a state because of bulk transport that sorts out temperature differences approximately adiabatically (neglecting conduction), but that is somehow thermodynamically stable without transport and with conduction in the end.

Robert Brown continues: «Well, the gas is, on average, lower when it is in thermal equilibrium, not higher, in a macroscopically more stable state, a hydrostatically more stable state.

Well, the gas is, on average, lower when it is in thermal equilibrium, not higher, in a macroscopically more stable state, a hydrostatically more stable state.

The violation of the second law is in the assertion that a non-isothermal state is at stable thermal equilibrium.

It seeks to convince the reader that they should not believe that the atmosphere intrinsically establishes a vertical thermal gradient as a spontaneous stable thermodynamic equilibrium state, one that would somehow «heat» the bottom relative to the top even if the whole thing were in a giant Dewar flask and one waited long enough for true equilibrium to be established.

As I stated, my objection is specific to EEJ — the DALR is not a stable thermal equilibrium, which is precisely what EEJ asserts.

But once the system reaches isoentropic equilibrium at the DALR, heat will flow via real conduction, not adiabatic movement of parcels, and the system will, I believe, relax to isothermal equilibrium that — as I've clearly shown — is an entirely valid thermodynamic state that is dynamically stable.

The last time I looked, a gas in convective flow is not in static equilibrium, and flow itself can not be a long - time stable state of any isolated system with internal dissipation.

Those same textbooks carefully demonstrate that there is no lapse rate in an ideal gas in a gravitational field in thermal equilibrium because, as is well known, thermal equilibrium is an isothermal state; nothing as simple as gravity can function like a «Maxwell's Demon» to cause the spontaneous stable equilibrium separation of gas molecules into hotter and colder reservoirs.

The equilibrium state of the carbon cycle system defines the stable distribution of CO2 among the compartments of the system.

Observations suggest that the present day ocean resides in a bistable regime, thereby allowing for multiple equilibria and a stable «off» state of the AMOC (Hawkins et al., 2011).

Worst of all, a 4 C world may not be a stable climate state — climate feedbacks at 4 C may make a higher equilibrium point inevitable.

Its evolution and social role, however, may have already arrived at homeostasis, a relatively stable state of linguistic and social equilibrium.