Sentences with phrase «higher heat losses»

It is well known that high moisture levels result in higher heat losses, and the temperature conditions in building components influence the moisture transport.
What is interesting is that the curve looks quite similar to the form factor one: small houses have high heat loss per sqm but they also have high internal gains per sqm.
In all cases, it can be seen that high glazing ratios generate enclosure walls that are expensive to purchase with very high heat loss and heat gain.
This was because single glazing or uncoated double glazing had a relatively high heat loss compared to other parts of the building fabric.
Finally, it should be noted that a home with a slab - on - grade radiant floor heating system may have higher heat loss to the ground that would a home with a forced - air heating system — a factor that might lower rather than increase the radiant heating system's overall efficiency.
Although there were good reasons for the house to face west, Gresford's colleague and the company's passive house designer, Francisco Cerezuela, says designing around this orientation but also taking into account the relatively high heat loss form factor (3.29) was «quite challenging».

Not exact matches

SpaceShipOne itself suffered several such problems in its three space flights, including the loss of its navigation system, a sudden lurch that carried the ship some 30 miles off course, the buckling of the aircraft's skin from the rocket motor's heat, and an uncontrolled wobble that spun the craft around at high speed some 20 times before pilot Melvill — he flew the first prize - winning flight, Binnie the second — stilled it, possibly just in time to prevent a fatal tumble.
The literature over time shows the important impact of high temperature and time of heating on the loss of biochemical principle of human milk.
The prone or side sleep position can increase the risk of rebreathing expired gases, resulting in hypercapnia and hypoxia.54, — , 57 The prone position also increases the risk of overheating by decreasing the rate of heat loss and increasing body temperature compared with infants sleeping supine.58, 59 Recent evidence suggests that prone sleeping alters the autonomic control of the infant cardiovascular system during sleep, particularly at 2 to 3 months of age, 60 and can result in decreased cerebral oxygenation.61 The prone position places infants at high risk of SIDS (odds ratio [OR]: 2.3 — 13.1).62, — , 66 However, recent studies have demonstrated that the SIDS risks associated with side and prone position are similar in magnitude (OR: 2.0 and 2.6, respectively) 63 and that the population - attributable risk reported for side sleep position is higher than that for prone position.65, 67 Furthermore, the risk of SIDS is exceptionally high for infants who are placed on their side and found on their stomach (OR: 8.7).63 The side sleep position is inherently unstable, and the probability of an infant rolling to the prone position from the side sleep position is significantly greater than rolling prone from the back.65, 68 Infants who are unaccustomed to the prone position and are placed prone for sleep are also at greater risk than those usually placed prone (adjusted OR: 8.7 — 45.4).63, 69,70 Therefore, it is critically important that every caregiver use the supine sleep position for every sleep period.
«The loss of heat and hot water is a humanitarian crisis, it's a state of emergency, it's a management failure of the highest magnitude,» said City Councilman Ritchie Torres, a Bronx Democrat who grew up in public housing in the 1990s and said he's never seen the system in worse shape than it is now.
«By tuning its thermal conductivity, the material can efficiently and automatically dissipate heat in the hot summer because it will have high thermal conductivity, but prevent heat loss in the cold winter because of its low thermal conductivity at lower temperatures.»
So high social status in this group of snow monkeys has a trade - off between the costs of high rank position and the benefits from a hot spring, which is advantageous for conserving energy by reducing loss of body heat, and lowering stress levels.
«And heat losses might make it impossible for the plasma to achieve the high temperatures needed for fusion.
In terms of consumer applications, high - purity graphene could also be a great option to build efficient thermoelectric devices that convert heat into electric current (and vice versa) with little energy loss — for instance, creating lightweight circuitry woven into clothes that turns body heat into charge for our smartphones.
Schaefer et al. state that there are four active volcanoes within the Southern Patagonian Icefield, which may be accounting for some additional basal melt, but that changes to mass balance from a high geothermal heat flux can only account for a very small additional mass loss.
Second, the high surface - to - volume ratios of such bodies promote heat loss, so they cool quickly between successive impacts.
And fluid losses will be higher in heat and humidity.
Some researchers believe that reduced heat loss is responsible, while others believe that higher internal heat production (increased metabolic rate) is the cause.
Sharwood's study was performed during the 2000 and 2001 South African Ironman Triathlon, and showed that there was no increased risk of heat illness associated with high levels of dehydration, and that high levels of weight loss do not significantly influence performance.
So high heat and humidity cause a large loss of fluid as the body fights to cool itself in turn decreasing performance.
Cold Pressed Juice is the ultimate juice — made with ready - to - eat, high quality fruits and vegetables that are cold pressed (i.e. no loss of nutrition due to heat) straight into the bottle.
Solocarbon ® heaters provide the highest quantity and quality of far infrared heat available, are ultra low EMF for ultimate safety and are clinically tested to lower blood pressure, increase core temperature and aid in weight loss.
The advanced solution also employs high - energy wet friction materials with a special groove design to minimize spin losses and provide improved heat resistance, high torque capacity and reliable operation over the transmission's lifetime.
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High is for high R - value, which determines how well a window prevents heat lHigh is for high R - value, which determines how well a window prevents heat lhigh R - value, which determines how well a window prevents heat loss.
It should be raised above ground level and - have high walls of suitable material and sound construction to protect from draughts and with suitable depth and bedding for the dog to be able to burrow in and keep warm or, - be fully enclosed and be made of a material that offers some insulation against loss of body heat.
The process avoids the nutrient loss inherent in high - heat production methods and keeps us from having to use preservatives.
This accounts for some of the heat loss, sea level rise, and decreasing salinity at high latitudes.
Of course, in such a time average, each location's fluxes (energy, and also momentum and mass) are balanced, with vertical imbalances (generally a net gain in heat at lower latitudes and net loss in higher latitudes, especially in winter) are balanced by horizontal fluxes.
«The effect of heat loss from a higher altitude» might be better.
Enhanced greenhouse effect The term known as the «enhanced greenhouse effect» describes a situation where the atmosphere's becomes less transparent to infra - red light (reducedincreased optical depth), and that the heat loss must take place at higher levels.
On the other side of the house that gets less sun, the windows are small and high, to maximize cross-ventilation and minimize heat loss.
Basic geometry shows that a small building has a higher external area per square meter of floor area than a larger building, and so the heat loss per sqm of floor area is also higher (though the total heat loss is of course lower).
Electricity generation shows 66 % of energy lost — mostly in heat from coal and natural gas, and including up to 10 % in transmission lines (refuting common assumptions that «wheeling losses» are much higher).
In heating climates, mold growth on interior surfaces occurs during the heating season because the interior surfaces of exterior walls are cool from heat loss and because moisture levels within the conditioned space are too high.
At normal Earth temperatures heat loss is mostly by conduction and convection, radiation only dominates at much higher temperatures.
So the surface can warm to a higher temperature to rebalance the energy loss, or evaporation can increase the latent heat losses to rebalance, or what surely happens is that processes occur together.
A common feature of many of these post-war concrete buildings is a high level of strip single glazing, exposed concrete and a lack of insulation, with high amounts of heat gain and loss.
The air itself is mainly just limiting the rate of heat loss, more turbulent mixing and a higher flow rate just enhances the rate of loss.
Most of our designs are for ducts inside the building enclosure, so that mitigates the extra heat gain and heat loss associated with higher duct surface areas.
I think anywhere you have water table depletion and loss of high heat capacity you have a piece of land that is contributing to the problem.
The higher the temperature of the medium and the longer the heat must be stored, the greater the losses and the greater the need for expensive insulation materials to maintain system efficiency.
Even in areas where precipitation does not decrease, these increases in surface evaporation and loss of water from plants lead to more rapid drying of soils if the effects of higher temperatures are not offset by other changes (such as reduced wind speed or increased humidity).5 As soil dries out, a larger proportion of the incoming heat from the sun goes into heating the soil and adjacent air rather than evaporating its moisture, resulting in hotter summers under drier climatic conditions.6
At some point, it is all about radiant heat loss and radiant heat gain, but there is a gap between the radiant loss point for CO2equivalent low thermal mass gases and radiant heat gain point high thermal mass solar absorption.
That's why I used the expression «represents a serious potential threat to humanity and our environment» (temperature increase by 2100 of up to 6.4 C, increased droughts, floods, tropical cyclones, heat waves, extreme high sea level plus secondary effects, such as crop failures, spread of vector diseases, loss of drinking water from melting glaciers, etc. all as listed in IPCC AR4).
But, producing higher temperatures normally means that the solar air heating collectors would operate less efficiently as the losses out the collector glazing go up with collector temperature — thus the desire for high storage temperatures can result in an undesirable increase in collector area.
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