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Daily heat load variations in Swedish district heating systems
Applied Energy, 2013 AbstractHeat load variations in district heating systems are both seasonal and daily. Seasonal variations have mainly its origin from variations in outdoor temperature over the year. The origin of daily variations is mainly induced by social patterns due to customer social behaviours. Heat load variations cause increased costs because of increased peak
Sven Werner, Henrik Gadd
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Particle transport and heat loads in NIO1
Review of Scientific Instruments, 2015NIO1 is a compact radio frequency ion source designed to generate a 60 kV-135 mA hydrogen negative ion beam and it aims at continuous operation, which implies a detailed thermo-mechanical analysis of the beam-facing components, in particular, the accelerator grids. A 3D analysis of the entire NIO1 beam has been performed for the first time with a fully
Fonnesu N +3 more
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To Solving the Heat Equation with Fractional Load
Lobachevskii Journal of Mathematics, 2021zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Kosmakova, M. T. +2 more
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Heat transfer effect on the specific heating load of heat pumps
Applied Thermal Engineering, 1997Abstract The maximum possible specific heating load that can be obtained from two-heat-reservoir heat pumps with a set of high-temperature heat sinks and low-temperature heat sources is analyzed. The heat pumps considered in this paper include (1) externally and internally reversible, (2) externally irreversible and internally reversible, (3 ...
Lingen Chen
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Temperature and Heat Load Distribution in Rotating Heat Pipes
AIAA Journal, 1978An analysis is proposed for predicting the condenser wall temperature profile showing the effect of functions such as concentration of noncondensable gases, type of working fluid, condenser wall material, and cooling medium. A prediction of the heat rejected ratio of a condenser operating with noncondensable gas present to one with pure vapor is given.
T. DANIELS, N. AL-BAHARNAH
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On a Problem of Heat Equation with Fractional Load
Lobachevskii Journal of Mathematics, 2020zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Ramazanov, M. I. +2 more
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Journal of the Energy Institute, 2009
AbstractThe performance optimisation has been studied for an endoreversible air heat pump with variable temperature heat reservoirs by taking heating load, coefficient of performance (COP) and heating load density, i.e. the ratio of heating load to the maximum specific volume in the cycle, as the optimisation objectives in this paper.
Y. H. Bi, L. G. Chen, F. R. Sun
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AbstractThe performance optimisation has been studied for an endoreversible air heat pump with variable temperature heat reservoirs by taking heating load, coefficient of performance (COP) and heating load density, i.e. the ratio of heating load to the maximum specific volume in the cycle, as the optimisation objectives in this paper.
Y. H. Bi, L. G. Chen, F. R. Sun
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IEE Colloquium on The New NIE Energy Management System, 1998
Since 1989 Northern Ireland Electricity (NIE) has had the capability to schedule heating load. The system relies on phase modulation of the BBC's 198-kHz Radio 4 signal. This facility is known as `radio teleswitching'. NIE is responsible for the operation of the radio teleswitching scheme.
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Since 1989 Northern Ireland Electricity (NIE) has had the capability to schedule heating load. The system relies on phase modulation of the BBC's 198-kHz Radio 4 signal. This facility is known as `radio teleswitching'. NIE is responsible for the operation of the radio teleswitching scheme.
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Adaptation of Tissue to a Chronic Heat Load
ASAIO Journal, 1994Determination of the chronic effect of heat on tissue is one of the important issues facing mechanically actuated total artificial heart (TAH) development. In an effort to characterize this effect, implantations of heating devices producing constant heat fluxes of 0.04 watts/cm2, 0.06 W/cm2, and 0.08 W/cm2 were performed in 11 calves (H-series). Heated
C R, Davies +7 more
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1992
The first element of the heat load is the thermal energy entering the room by heat transfer through walls, ceiling and floor. The equation for this is $${Q_1} = UAdT(W)$$ where dT is T o − Ti, A is the external insulated surface area in m2, U is the overall heat-transfer coefficient in W/(m2 K).
P. C. Koelet, T. B. Gray
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The first element of the heat load is the thermal energy entering the room by heat transfer through walls, ceiling and floor. The equation for this is $${Q_1} = UAdT(W)$$ where dT is T o − Ti, A is the external insulated surface area in m2, U is the overall heat-transfer coefficient in W/(m2 K).
P. C. Koelet, T. B. Gray
openaire +1 more source