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Keells is a Sri Lankan supermarket chain operated by Jaykay Marketing Services (Pvt) Ltd., a subsidiary of the John Keells Group. [1] Established in 1991, [1] [2] Keells has grown to operate 135 outlets across the country, positioning itself as one of the leading retail chains in Sri Lanka alongside other retailers such as Cargills, Glomark, Spar, and Arpico.
Thermoelectric cooling uses the Peltier effect to create a heat flux at the junction of two different types of materials. A Peltier cooler, heater, or thermoelectric heat pump is a solid-state active heat pump which transfers heat from one side of the device to the other, with consumption of electrical energy, depending on the direction of the current.
John Keells Logistics (Pvt) Ltd. is a logistic, supply chain management and transportation management company. It is a subsidiary of John Keells. It is a recipient of the ISO 9001:2015 and ISO 45001:2018 certifications. [9] Mackinnons is one of the oldest logistic companies in Sri Lanka. It was founded by India Steamship Company in 1917.
Cold-side heat removal with air: In air-cooled thermoelectric applications, such as when harvesting thermal energy from a motor vehicle's crankcase, the large amount of thermal energy that must be dissipated into ambient air presents a significant challenge. As a thermoelectric generator's cool side temperature rises, the device's differential ...
Keells Krest brand is one the 100 most valuable brands in Sri Lanka. The brand value of Keells Krest is estimated to be worth LKR1,127 million in 2022, a 12.6% growth from the previous year. [7] Keells Food Product is ranked 15th in LMD 100 second board in its 2020/21 edition. LMD 100 ranks publicly quoted companies of Sri Lanka by revenue ...
Arpico Super Centre also popularly simply known as Arpico is a chain of supermarkets which is also regarded as a departmental store located in Sri Lanka owned by Richard Pieris & Company. The retail shopping mall was initially started with the concept of supermarket and then transformed its business operations as a supercentre.
The 13,000 m 2 (140,000 sq ft) building, was constructed at a cost of Rs 119 million, and is owned and operated by John Keells Holdings. [ 1 ] [ 2 ] It was opened to the public in October 2013. [ 3 ] [ 4 ] Its now permanently closed in January 2024 as John Keels Holdings started to plan an apartment sector in this land.
A Johnson thermoelectric energy converter or JTEC is a type of solid-state heat engine that uses the electrochemical oxidation and reduction of hydrogen in a two-cell, thermal cycle that approximates the Ericsson cycle. [1] It is under investigation as a viable alternative to conventional thermoelectric conversion.